优化

internal/config/defaults.go

@@ -43,6 +43,7 @@ func setDefaults(v *viper.Viper) {
 	v.SetDefault("logging.max_backups", 10)
 
 	v.SetDefault("cache.cache_dir", "./cache")
+	v.SetDefault("cache.images_max_size_mb", 500)
 	v.SetDefault("cache.cleanup_interval_min", 60)
 	v.SetDefault("cache.redis_url", "")
 	v.SetDefault("cache.redis_prefix", "mmtl")

internal/config/normalize.go

@@ -44,6 +44,9 @@ func (c *Config) normalize() error {
 	if c.Cache.CacheDir == "" {
 		c.Cache.CacheDir = filepath.Join(c.App.DataDir, "cache")
 	}
+	if c.Cache.ImagesMaxSizeMB < 0 {
+		c.Cache.ImagesMaxSizeMB = 0
+	}
 	if c.Cache.RedisPrefix == "" {
 		c.Cache.RedisPrefix = "mmtl"
 	}

internal/config/types.go

@@ -116,6 +116,7 @@ type LoggingConfig struct {
 // CacheConfig 控制磁盘转码/刮削缓存。
 type CacheConfig struct {
 	CacheDir           string `mapstructure:"cache_dir"`
+	ImagesMaxSizeMB    int    `mapstructure:"images_max_size_mb"`
 	MaxDiskUsageMB     int    `mapstructure:"max_disk_usage_mb"`
 	TTLHours           int    `mapstructure:"ttl_hours"`
 	AutoCleanup        bool   `mapstructure:"auto_cleanup"`

internal/handler/admin_settings.go

@@ -64,6 +64,9 @@ func updateSettingHandler(svc *service.Container) gin.HandlerFunc {
 		if req.Key == "transcode.hw_enabled" || req.Key == "transcode.hw_accel" || req.Key == "transcoder.hardware_accel" || req.Key == "transcoder.encoder" {
 			svc.Transcoder.StopAll()
 		}
+		if req.Key == "cache.images_max_size_mb" && svc.Scheduler != nil {
+			_ = svc.Scheduler.RunNowAsync(c.Request.Context(), "image_cache_cleanup")
+		}
 		c.Status(http.StatusNoContent)
 	}
 }

internal/handler/emby_mounts.go

@@ -195,4 +195,28 @@ func deleteEmbyMountHandler(svc *service.Container) gin.HandlerFunc {
 		}
 		c.JSON(http.StatusOK, gin.H{"ok": true})
 	}
+}
+
+type reorderEmbyMountsReq struct {
+	IDs []string `json:"ids" binding:"required"`
+}
+
+// reorderEmbyMountsHandler 批量重排挂载媒体库顺序。
+func reorderEmbyMountsHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		var req reorderEmbyMountsReq
+		if err := c.ShouldBindJSON(&req); err != nil {
+			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+			return
+		}
+		if svc.EmbyRemote == nil {
+			c.JSON(http.StatusServiceUnavailable, gin.H{"error": "emby remote service not available"})
+			return
+		}
+		if err := svc.EmbyRemote.ReorderMounts(c.Request.Context(), req.IDs); err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			return
+		}
+		c.JSON(http.StatusOK, gin.H{"ok": true})
+	}
 }

internal/handler/emby_mounts_reorder_test.go

@@ -0,0 +1,65 @@
+package handler
+
+import (
+	"bytes"
+	"encoding/json"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+
+	"github.com/gin-gonic/gin"
+	"github.com/glebarez/sqlite"
+	"go.uber.org/zap"
+	"gorm.io/gorm"
+
+	"github.com/ShukeBta/MMTL/internal/database"
+	"github.com/ShukeBta/MMTL/internal/model"
+	"github.com/ShukeBta/MMTL/internal/repository"
+	"github.com/ShukeBta/MMTL/internal/service"
+)
+
+func TestReorderEmbyMountsHandler(t *testing.T) {
+	gin.SetMode(gin.TestMode)
+	db, err := gorm.Open(sqlite.Open(":memory:"), &gorm.Config{})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if err := database.AutoMigrate(db); err != nil {
+		t.Fatal(err)
+	}
+	repos := repository.New(db)
+	ctx := t.Context()
+
+	m1 := &model.EmbyMount{AccountID: "acct-1", RemoteViewID: "view-1", Name: "Mount 1"}
+	m2 := &model.EmbyMount{AccountID: "acct-1", RemoteViewID: "view-2", Name: "Mount 2"}
+	_ = repos.EmbyMount.Create(ctx, m1)
+	_ = repos.EmbyMount.Create(ctx, m2)
+
+	svc := &service.Container{
+		Repo:       repos,
+		EmbyRemote: service.NewEmbyRemoteService(nil, zap.NewNop(), repos, nil),
+	}
+
+	router := gin.New()
+	router.PUT("/admin/emby/mounts/reorder", reorderEmbyMountsHandler(svc))
+
+	body, _ := json.Marshal(map[string]any{
+		"ids": []string{m2.ID, m1.ID},
+	})
+	req := httptest.NewRequest(http.MethodPut, "/admin/emby/mounts/reorder", bytes.NewReader(body))
+	req.Header.Set("Content-Type", "application/json")
+	w := httptest.NewRecorder()
+	router.ServeHTTP(w, req)
+
+	if w.Code != http.StatusOK {
+		t.Fatalf("expected status 200, got %d: %s", w.Code, w.Body.String())
+	}
+
+	list, err := repos.EmbyMount.List(ctx)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if len(list) != 2 || list[0].ID != m2.ID || list[1].ID != m1.ID {
+		t.Fatalf("expected order [m2, m1], got [m%s, m%s]", list[0].ID, list[1].ID)
+	}
+}

internal/handler/routes_admin.go

@@ -49,10 +49,11 @@ func registerAdminStrmRoutes(admin *gin.RouterGroup, svc *service.Container) {
 	// Emby 挂载管理：远程 Emby 媒体库挂载（账号复用 strm/accounts）
 	admin.GET("/emby/accounts/:id/views", embyAccountViewsHandler(svc))
 	admin.POST("/emby/accounts/:id/full-mount", fullMountEmbyAccountHandler(svc))
-	admin.GET("/emby/mounts", listEmbyMountsHandler(svc))
-	admin.POST("/emby/mounts", createEmbyMountsHandler(svc))
-	admin.PUT("/emby/mounts/:id", updateEmbyMountHandler(svc))
-	admin.DELETE("/emby/mounts/:id", deleteEmbyMountHandler(svc))
+		admin.GET("/emby/mounts", listEmbyMountsHandler(svc))
+		admin.POST("/emby/mounts", createEmbyMountsHandler(svc))
+		admin.PUT("/emby/mounts/reorder", reorderEmbyMountsHandler(svc))
+		admin.PUT("/emby/mounts/:id", updateEmbyMountHandler(svc))
+		admin.DELETE("/emby/mounts/:id", deleteEmbyMountHandler(svc))
 
 	admin.GET("/strm/accounts", listStrmAccountsHandler(svc))
 	admin.POST("/strm/accounts", createStrmAccountHandler(svc))

internal/model/emby_mount.go

@@ -14,6 +14,7 @@ type EmbyMount struct {
 	RemoteViewName string `gorm:"size:255" json:"remote_view_name"`             // 远程媒体库原名（展示冗余）
 	CollectionType string `gorm:"size:32" json:"collection_type"`               // movies / tvshows / music ...
 	Name           string `gorm:"size:255" json:"name,omitempty"`               // 覆盖显示名（可选，默认「账号 · 库名」）
+	SortOrder      int    `gorm:"default:0;index" json:"sort_order"`             // 手动排序用，越小越靠前
 	ProxyPlay      bool   `gorm:"default:false" json:"proxy_play"`              // 该挂载播放流量是否经 MMTL 反向代理
 	Enabled        bool   `gorm:"default:true" json:"enabled"`                  // 是否在媒体库中展示
 }

internal/repository/emby_mount_repository.go

@@ -15,7 +15,14 @@ type EmbyMountRepository struct{ db *gorm.DB }
 
 func (r *EmbyMountRepository) Create(ctx context.Context, m *model.EmbyMount) error {
 	return withSQLiteBusyRetry(ctx, func() error {
-		return r.db.WithContext(ctx).Create(m).Error
+		return r.db.WithContext(ctx).Transaction(func(tx *gorm.DB) error {
+			if m != nil && m.SortOrder == 0 {
+				var maxSort int
+				_ = tx.Model(&model.EmbyMount{}).Select("COALESCE(MAX(sort_order), -1)").Scan(&maxSort)
+				m.SortOrder = maxSort + 1
+			}
+			return tx.Create(m).Error
+		})
 	})
 }
 
@@ -27,7 +34,17 @@ func (r *EmbyMountRepository) CreateInBatches(ctx context.Context, mounts []*mod
 		batchSize = 50
 	}
 	return withSQLiteBusyRetry(ctx, func() error {
-		return r.db.WithContext(ctx).CreateInBatches(mounts, batchSize).Error
+		return r.db.WithContext(ctx).Transaction(func(tx *gorm.DB) error {
+			var maxSort int
+			_ = tx.Model(&model.EmbyMount{}).Select("COALESCE(MAX(sort_order), -1)").Scan(&maxSort)
+			for _, m := range mounts {
+				if m != nil && m.SortOrder == 0 {
+					maxSort++
+					m.SortOrder = maxSort
+				}
+			}
+			return tx.CreateInBatches(mounts, batchSize).Error
+		})
 	})
 }
 
@@ -45,16 +62,33 @@ func (r *EmbyMountRepository) FindByID(ctx context.Context, id string) (*model.E
 
 func (r *EmbyMountRepository) List(ctx context.Context) ([]model.EmbyMount, error) {
 	var rows []model.EmbyMount
-	err := r.db.WithContext(ctx).Order("created_at desc").Find(&rows).Error
+	err := r.db.WithContext(ctx).Order("sort_order asc, created_at asc").Find(&rows).Error
 	return rows, err
 }
 
 func (r *EmbyMountRepository) ListByAccountID(ctx context.Context, accountID string) ([]model.EmbyMount, error) {
 	var rows []model.EmbyMount
-	err := r.db.WithContext(ctx).Where("account_id = ?", accountID).Order("created_at asc").Find(&rows).Error
+	err := r.db.WithContext(ctx).Where("account_id = ?", accountID).Order("sort_order asc, created_at asc").Find(&rows).Error
 	return rows, err
 }
 
+func (r *EmbyMountRepository) SetSortOrder(ctx context.Context, ids []string) error {
+	if len(ids) == 0 {
+		return nil
+	}
+	return withSQLiteBusyRetry(ctx, func() error {
+		return r.db.WithContext(ctx).Transaction(func(tx *gorm.DB) error {
+			for i, id := range ids {
+				if err := tx.Model(&model.EmbyMount{}).Where("id = ?", id).
+					Update("sort_order", i).Error; err != nil {
+					return err
+				}
+			}
+			return nil
+		})
+	})
+}
+
 func (r *EmbyMountRepository) CountByAccountID(ctx context.Context, accountID string) (int64, error) {
 	var count int64
 	err := r.db.WithContext(ctx).Model(&model.EmbyMount{}).Where("account_id = ?", accountID).Count(&count).Error

internal/repository/emby_mount_test.go

@@ -0,0 +1,74 @@
+package repository
+
+import (
+	"testing"
+
+	"github.com/glebarez/sqlite"
+	"gorm.io/gorm"
+
+	"github.com/ShukeBta/MMTL/internal/database"
+	"github.com/ShukeBta/MMTL/internal/model"
+)
+
+func TestEmbyMountSortOrderAndReorder(t *testing.T) {
+	db, err := gorm.Open(sqlite.Open(":memory:"), &gorm.Config{})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if err := database.AutoMigrate(db); err != nil {
+		t.Fatalf("migrate: %v", err)
+	}
+	repos := New(db)
+	ctx := t.Context()
+
+	// 1. Create mounts and verify auto-assigned sort_order
+	m1 := &model.EmbyMount{AccountID: "acct-1", RemoteViewID: "view-1", Name: "Mount 1"}
+	m2 := &model.EmbyMount{AccountID: "acct-1", RemoteViewID: "view-2", Name: "Mount 2"}
+	m3 := &model.EmbyMount{AccountID: "acct-1", RemoteViewID: "view-3", Name: "Mount 3"}
+
+	if err := repos.EmbyMount.Create(ctx, m1); err != nil {
+		t.Fatalf("create m1: %v", err)
+	}
+	if err := repos.EmbyMount.Create(ctx, m2); err != nil {
+		t.Fatalf("create m2: %v", err)
+	}
+	if err := repos.EmbyMount.Create(ctx, m3); err != nil {
+		t.Fatalf("create m3: %v", err)
+	}
+
+	if m1.SortOrder >= m2.SortOrder || m2.SortOrder >= m3.SortOrder {
+		t.Fatalf("expected ascending sort order on create: m1=%d, m2=%d, m3=%d",
+			m1.SortOrder, m2.SortOrder, m3.SortOrder)
+	}
+
+	// 2. Query list and verify initial order
+	list, err := repos.EmbyMount.List(ctx)
+	if err != nil {
+		t.Fatalf("list mounts: %v", err)
+	}
+	if len(list) != 3 || list[0].ID != m1.ID || list[1].ID != m2.ID || list[2].ID != m3.ID {
+		t.Fatalf("unexpected list order: %+v", list)
+	}
+
+	// 3. Reorder: m3, m1, m2
+	if err := repos.EmbyMount.SetSortOrder(ctx, []string{m3.ID, m1.ID, m2.ID}); err != nil {
+		t.Fatalf("SetSortOrder failed: %v", err)
+	}
+
+	// 4. Query list again and verify updated order
+	reordered, err := repos.EmbyMount.List(ctx)
+	if err != nil {
+		t.Fatalf("list mounts after reorder: %v", err)
+	}
+	if len(reordered) != 3 {
+		t.Fatalf("expected 3 mounts, got %d", len(reordered))
+	}
+	if reordered[0].ID != m3.ID || reordered[1].ID != m1.ID || reordered[2].ID != m2.ID {
+		t.Fatalf("expected order [m3, m1, m2], got: %s, %s, %s",
+			reordered[0].ID, reordered[1].ID, reordered[2].ID)
+	}
+	if reordered[0].SortOrder != 0 || reordered[1].SortOrder != 1 || reordered[2].SortOrder != 2 {
+		t.Fatalf("unexpected sort orders: %d, %d, %d",
+			reordered[0].SortOrder, reordered[1].SortOrder, reordered[2].SortOrder)
+	}
+}

internal/service/cache_cleanup.go

@@ -4,8 +4,11 @@
 package service
 
 import (
+	"errors"
 	"os"
 	"path/filepath"
+	"sort"
+	"strings"
 	"time"
 )
 
@@ -42,3 +45,97 @@ func walkAndPrune(root string, cutoff time.Time) error {
 	}
 	return nil
 }
+
+// PruneImageCacheResult holds stats from an image cache prune operation.
+type PruneImageCacheResult struct {
+	TotalFilesBefore int
+	TotalBytesBefore int64
+	DeletedFiles     int
+	FreedBytes       int64
+	RemainingBytes   int64
+}
+
+type imageCacheFileEntry struct {
+	path    string
+	size    int64
+	modTime time.Time
+}
+
+// PruneImageCache scans imagesDir for cached image files. If the total disk usage
+// exceeds maxSizeBytes, it removes files starting from the oldest (by ModTime)
+// until disk usage falls to or below targetSizeBytes (80% of maxSizeBytes).
+//
+// In-flight temporary files (*.tmp) are skipped to avoid corrupting concurrent writes.
+// Empty subdirectories left behind are best-effort removed.
+func PruneImageCache(imagesDir string, maxSizeBytes int64) (PruneImageCacheResult, error) {
+	var result PruneImageCacheResult
+	if imagesDir == "" || maxSizeBytes <= 0 {
+		return result, nil
+	}
+	if _, err := os.Stat(imagesDir); err != nil {
+		return result, nil
+	}
+
+	var (
+		dirs    []string
+		entries []imageCacheFileEntry
+	)
+
+	_ = filepath.Walk(imagesDir, func(path string, info os.FileInfo, err error) error {
+		if err != nil {
+			return nil
+		}
+		if info.IsDir() {
+			if path != imagesDir {
+				dirs = append(dirs, path)
+			}
+			return nil
+		}
+		// Skip temporary files created during image download.
+		name := info.Name()
+		if strings.HasSuffix(name, ".tmp") || strings.HasPrefix(name, "img-") && strings.Contains(name, ".tmp") {
+			return nil
+		}
+		size := info.Size()
+		result.TotalFilesBefore++
+		result.TotalBytesBefore += size
+		entries = append(entries, imageCacheFileEntry{
+			path:    path,
+			size:    size,
+			modTime: info.ModTime(),
+		})
+		return nil
+	})
+
+	result.RemainingBytes = result.TotalBytesBefore
+	if result.TotalBytesBefore <= maxSizeBytes {
+		return result, nil
+	}
+
+	// High/Low watermark: prune down to 80% of max size to leave headroom
+	// and prevent disk thrashing on consecutive writes.
+	targetSizeBytes := maxSizeBytes * 80 / 100
+
+	sort.Slice(entries, func(i, j int) bool {
+		return entries[i].modTime.Before(entries[j].modTime)
+	})
+
+	for _, entry := range entries {
+		if result.RemainingBytes <= targetSizeBytes {
+			break
+		}
+		if err := os.Remove(entry.path); err == nil || errors.Is(err, os.ErrNotExist) {
+			result.DeletedFiles++
+			result.FreedBytes += entry.size
+			result.RemainingBytes -= entry.size
+		}
+	}
+
+	// Clean up emptied subdirectories from deepest to shallowest.
+	for i := len(dirs) - 1; i >= 0; i-- {
+		_ = os.Remove(dirs[i])
+	}
+
+	return result, nil
+}
+

internal/service/cache_cleanup_test.go

@@ -0,0 +1,162 @@
+package service
+
+import (
+	"context"
+	"os"
+	"path/filepath"
+	"testing"
+	"time"
+
+	"go.uber.org/zap"
+)
+
+func TestPruneImageCache_UnderLimit(t *testing.T) {
+	dir := t.TempDir()
+
+	file1 := filepath.Join(dir, "img1")
+	file2 := filepath.Join(dir, "img2")
+	if err := os.WriteFile(file1, make([]byte, 100), 0o600); err != nil {
+		t.Fatal(err)
+	}
+	if err := os.WriteFile(file2, make([]byte, 200), 0o600); err != nil {
+		t.Fatal(err)
+	}
+
+	// Max limit is 500 bytes, total is 300 bytes -> no prune
+	res, err := PruneImageCache(dir, 500)
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if res.DeletedFiles != 0 {
+		t.Fatalf("expected 0 deleted files, got %d", res.DeletedFiles)
+	}
+	if res.TotalFilesBefore != 2 || res.TotalBytesBefore != 300 || res.RemainingBytes != 300 {
+		t.Fatalf("unexpected stats: %+v", res)
+	}
+}
+
+func TestPruneImageCache_OverLimitLRU(t *testing.T) {
+	dir := t.TempDir()
+
+	now := time.Now()
+	// Create 4 files of 100 bytes each, with distinct mtime
+	fOldest := filepath.Join(dir, "oldest")
+	fMidOld := filepath.Join(dir, "mid_old")
+	fMidNew := filepath.Join(dir, "mid_new")
+	fNewest := filepath.Join(dir, "newest")
+
+	for _, f := range []string{fOldest, fMidOld, fMidNew, fNewest} {
+		if err := os.WriteFile(f, make([]byte, 100), 0o600); err != nil {
+			t.Fatal(err)
+		}
+	}
+
+	_ = os.Chtimes(fOldest, now.Add(-4*time.Hour), now.Add(-4*time.Hour))
+	_ = os.Chtimes(fMidOld, now.Add(-3*time.Hour), now.Add(-3*time.Hour))
+	_ = os.Chtimes(fMidNew, now.Add(-2*time.Hour), now.Add(-2*time.Hour))
+	_ = os.Chtimes(fNewest, now.Add(-1*time.Hour), now.Add(-1*time.Hour))
+
+	// Total = 400 bytes. Max limit = 300 bytes.
+	// Target = 300 * 80 / 100 = 240 bytes.
+	// Deleting oldest (100) brings total to 300 (> 240).
+	// Deleting mid_old (100) brings total to 200 (<= 240).
+	// Total deleted = 2 files (200 bytes), remaining = 200 bytes.
+	res, err := PruneImageCache(dir, 300)
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if res.DeletedFiles != 2 {
+		t.Fatalf("expected 2 deleted files, got %d", res.DeletedFiles)
+	}
+	if res.FreedBytes != 200 {
+		t.Fatalf("expected 200 freed bytes, got %d", res.FreedBytes)
+	}
+	if res.RemainingBytes != 200 {
+		t.Fatalf("expected 200 remaining bytes, got %d", res.RemainingBytes)
+	}
+
+	// Verify oldest and mid_old were deleted, mid_new and newest still exist
+	if _, err := os.Stat(fOldest); !os.IsNotExist(err) {
+		t.Fatalf("expected oldest file to be deleted, got err=%v", err)
+	}
+	if _, err := os.Stat(fMidOld); !os.IsNotExist(err) {
+		t.Fatalf("expected mid_old file to be deleted, got err=%v", err)
+	}
+	if _, err := os.Stat(fMidNew); err != nil {
+		t.Fatalf("expected mid_new file to exist, got err=%v", err)
+	}
+	if _, err := os.Stat(fNewest); err != nil {
+		t.Fatalf("expected newest file to exist, got err=%v", err)
+	}
+}
+
+func TestPruneImageCache_SkipsTmpFiles(t *testing.T) {
+	dir := t.TempDir()
+
+	fTmp := filepath.Join(dir, "img-123.tmp")
+	fImg := filepath.Join(dir, "cached_img")
+
+	if err := os.WriteFile(fTmp, make([]byte, 500), 0o600); err != nil {
+		t.Fatal(err)
+	}
+	if err := os.WriteFile(fImg, make([]byte, 100), 0o600); err != nil {
+		t.Fatal(err)
+	}
+
+	// Limit is 200 bytes. fTmp (500) is ignored, only fImg (100) is counted <= 200.
+	res, err := PruneImageCache(dir, 200)
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if res.DeletedFiles != 0 {
+		t.Fatalf("expected 0 deleted files, got %d", res.DeletedFiles)
+	}
+	if _, err := os.Stat(fTmp); err != nil {
+		t.Fatalf("expected tmp file to remain untouched, got %v", err)
+	}
+}
+
+func TestPruneImageCache_ZeroOrNegativeLimit(t *testing.T) {
+	dir := t.TempDir()
+	f := filepath.Join(dir, "img")
+	if err := os.WriteFile(f, make([]byte, 100), 0o600); err != nil {
+		t.Fatal(err)
+	}
+
+	res, err := PruneImageCache(dir, 0)
+	if err != nil || res.DeletedFiles != 0 {
+		t.Fatalf("expected no-op for 0 limit, got %+v, err=%v", res, err)
+	}
+
+	res, err = PruneImageCache(dir, -10)
+	if err != nil || res.DeletedFiles != 0 {
+		t.Fatalf("expected no-op for negative limit, got %+v, err=%v", res, err)
+	}
+}
+
+func TestSchedulerJobCleanImageCache(t *testing.T) {
+	cacheRoot := t.TempDir()
+	imagesDir := filepath.Join(cacheRoot, "images")
+	if err := os.MkdirAll(imagesDir, 0o750); err != nil {
+		t.Fatal(err)
+	}
+
+	f := filepath.Join(imagesDir, "old_poster")
+	if err := os.WriteFile(f, make([]byte, 2*1024*1024), 0o600); err != nil {
+		t.Fatal(err)
+	}
+
+	scheduler := NewSchedulerService(zap.NewNop(), nil, nil, nil, nil, nil, cacheRoot)
+	// Set limit to 1MB; our file is 2MB -> should be pruned
+	scheduler.SetImagesMaxSizeMBProvider(func() int {
+		return 1
+	})
+
+	if err := scheduler.jobCleanImageCache(context.Background()); err != nil {
+		t.Fatalf("jobCleanImageCache failed: %v", err)
+	}
+
+	if _, err := os.Stat(f); !os.IsNotExist(err) {
+		t.Fatalf("expected file to be pruned, got err=%v", err)
+	}
+}

internal/service/danmaku_match_test.go

@@ -343,4 +343,106 @@ func TestDanmakuSameBase(t *testing.T) {
 		require.Equal(t, int64(99999), resManual.EpisodeID)
 		require.Equal(t, "手动搜索动画B", resManual.AnimeTitle)
 		require.Contains(t, resManual.Raw, "手动搜索弹幕")
-	}
+	}
+
+// Emby 远程挂载条目：通过伪装 ID 解析出流直链，通过 Range 提取 16MB 前缀计算 hash 并匹配弹幕。
+func TestDanmakuFetchEmbyRemoteHashViaDirectLink(t *testing.T) {
+	content := bytes.Repeat([]byte("emby-remote-video-bytes-9876543210"), 300)
+	sum := md5.Sum(content)
+	wantHash := hex.EncodeToString(sum[:])
+
+	var gotRange string
+	var rangeHits int
+	rangeSrv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		rangeHits++
+		gotRange = r.Header.Get("Range")
+		w.Header().Set("Content-Type", "application/octet-stream")
+		_, _ = w.Write(content)
+	}))
+	t.Cleanup(rangeSrv.Close)
+
+	var seen string
+	official := danmakuOfficialServer(t,
+		`{"success":true,"isMatched":true,"matches":[{"episodeId":25484,"animeId":2001,"animeTitle":"芙莉莲","episodeTitle":"第1话"}]}`,
+		`<?xml version="1.0"?><i><d p="1.2,1,16777215,user1">Emby远程弹幕命中</d></i>`,
+		&seen)
+	overrideDanmakuOfficialBase(t, official.URL)
+
+	remoteMediaID := EncodeEmbyRemoteID("mount-123", "remote-item-456")
+	svc := newDanmakuTestService(t)
+	svc.SetRemoteMediaResolver(func(_ context.Context, encodedID string) (*model.Media, string, error) {
+		require.Equal(t, remoteMediaID, encodedID)
+		return &model.Media{
+			Base:         model.Base{ID: remoteMediaID},
+			Title:        "葬送的芙莉莲",
+			EpisodeTitle: "第1话",
+			EpisodeNum:   1,
+			Path:         "/mnt/emby/anime/Frieren/S01E01.mkv",
+			SizeBytes:    int64(len(content)),
+			DurationSec:  1400,
+		}, rangeSrv.URL, nil
+	})
+
+	ctx := context.Background()
+	res, err := svc.Fetch(ctx, remoteMediaID, "", "")
+	require.NoError(t, err)
+	require.True(t, res.Enabled)
+	require.Equal(t, "hash", res.MatchMode)
+	require.Equal(t, int64(25484), res.EpisodeID)
+	require.Equal(t, "芙莉莲", res.AnimeTitle)
+	require.Contains(t, res.Raw, "Emby远程弹幕命中")
+	require.Contains(t, gotRange, "bytes=0-")
+	require.Contains(t, seen, `"fileHash":"`+wantHash+`"`)
+	require.Contains(t, seen, `"fileName":"`+url.QueryEscape("S01E01")+`"`)
+	require.Equal(t, 1, rangeHits)
+
+	// 第二次拉取验证 hashCache 命中，不重复请求 rangeSrv
+	res2, err := svc.Fetch(ctx, remoteMediaID, "", "")
+	require.NoError(t, err)
+	require.Equal(t, "hash", res2.MatchMode)
+	require.Equal(t, 1, rangeHits)
+}
+
+// Emby 远程直链拉取失败时（如网络异常），能平滑降级走番剧原名/标题关键词搜索。
+func TestDanmakuFetchEmbyRemoteStreamFailedFallsBackToSearch(t *testing.T) {
+	mux := http.NewServeMux()
+	mux.HandleFunc("/api/v2/search/episodes", func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Content-Type", "application/json")
+		// 文件名搜索 ep01 时无结果，模拟文件名未匹配
+		if r.URL.Query().Get("anime") == "ep01" {
+			fmt.Fprint(w, `{"hasMore":false,"animes":[]}`)
+			return
+		}
+		// 降级到番剧名搜索命中
+		fmt.Fprint(w, `{"hasMore":false,"animes":[{"animeId":3001,"animeTitle":"降级搜索番剧","episodes":[{"episodeId":7799,"episodeTitle":"第1话"}]}]}`)
+	})
+	mux.HandleFunc("/api/v2/comment/7799", func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Content-Type", "application/xml")
+		fmt.Fprint(w, `<?xml version="1.0"?><i><d p="0.8,1,16777215,user1">降级搜索弹幕</d></i>`)
+	})
+	official := httptest.NewServer(mux)
+	t.Cleanup(official.Close)
+	overrideDanmakuOfficialBase(t, official.URL)
+
+	remoteMediaID := EncodeEmbyRemoteID("mount-123", "remote-item-789")
+	svc := newDanmakuTestService(t)
+	// 返回一个不存在的流服务地址模拟 Range 拉取失败
+	svc.SetRemoteMediaResolver(func(_ context.Context, encodedID string) (*model.Media, string, error) {
+		return &model.Media{
+			Base:        model.Base{ID: remoteMediaID},
+			Title:       "降级搜索番剧",
+			EpisodeNum:  1,
+			Path:        "/mnt/emby/anime/fallback/ep01.mkv",
+			DurationSec: 1200,
+		}, "http://127.0.0.1:1/invalid-stream", nil
+	})
+
+	ctx := context.Background()
+	res, err := svc.Fetch(ctx, remoteMediaID, "", "")
+	require.NoError(t, err)
+	require.True(t, res.Enabled)
+	require.Equal(t, "search", res.MatchMode)
+	require.Equal(t, int64(7799), res.EpisodeID)
+	require.Equal(t, "降级搜索番剧", res.AnimeTitle)
+	require.Contains(t, res.Raw, "降级搜索弹幕")
+}

internal/service/danmaku_service.go

@@ -94,6 +94,10 @@ type DanmakuEpisode struct {
 	EpisodeTitle string `json:"episodeTitle"`
 }
 
+// DanmakuRemoteMediaResolver resolves an Emby remote pseudo-ID (e.g. embyremote~mount~id)
+// into a memory model.Media and a direct stream URL.
+type DanmakuRemoteMediaResolver func(ctx context.Context, encodedID string) (*model.Media, string, error)
+
 // DanmakuService fetches danmaku for a media item through the dandanplay
 // protocol: match by 16MB-prefix hash, then search for an episode id by the
 // video's name, then fetch the comment library XML. The React player parses
@@ -108,6 +112,10 @@ type DanmakuService struct {
 	// StrmService.ResolvePlay; nil means strm sources are skipped.
 	strmResolve func(ctx context.Context, provider string, q url.Values) (*StrmPlayResult, error)
 
+	// remoteResolve resolves an Emby remote pseudo-ID into *model.Media and
+	// direct stream URL for range hashing.
+	remoteResolve DanmakuRemoteMediaResolver
+
 	hashCacheMu sync.Mutex
 	hashCache   map[string]string // stamp → 16MB-prefix MD5
 }
@@ -136,6 +144,14 @@ func (s *DanmakuService) SetStrmResolver(resolve func(ctx context.Context, provi
 	}
 }
 
+// SetRemoteMediaResolver wires the resolver used to fetch metadata and direct
+// stream URLs for Emby remote mounted media.
+func (s *DanmakuService) SetRemoteMediaResolver(resolve DanmakuRemoteMediaResolver) {
+	if s != nil {
+		s.remoteResolve = resolve
+	}
+}
+
 // Config reads danmaku settings from the runtime settings table.
 func (s *DanmakuService) Config(ctx context.Context) DanmakuRenderConfig {
 	cfg := DanmakuRenderConfig{
@@ -220,13 +236,17 @@ func (s *DanmakuService) Fetch(ctx context.Context, mediaID, keyword, episodeID
 		target := ""
 
 		// 1) hash 识别：始终走官方 /api/v2/match（keyword 手动覆盖时跳过，直接走第 3 层）。
-		if target == "" && !manualKeyword && media != nil && media.Path != "" {
+		if target == "" && !manualKeyword && media != nil && (media.Path != "" || IsEmbyRemoteID(media.ID)) {
 			if hash, ok := s.mediaHash(ctx, media); ok {
 				fileSize := media.SizeBytes
-				if strings.EqualFold(filepath.Ext(media.Path), ".strm") {
+				if media.Path != "" && strings.EqualFold(filepath.Ext(media.Path), ".strm") {
 					fileSize = 0 // strm 行的 SizeBytes 是文本大小，不是视频大小
 				}
-				matches, err := s.matchOfficial(ctx, danmakuMatchFileName(media.Path), hash, fileSize, media.DurationSec)
+				matchName := danmakuMatchFileName(media.Path)
+				if matchName == "" {
+					matchName = term.name
+				}
+				matches, err := s.matchOfficial(ctx, matchName, hash, fileSize, media.DurationSec)
 				if err != nil {
 					s.log.Warn("danmaku hash match failed", zap.String("media_id", mediaID), zap.Error(err))
 				} else if len(matches) > 0 {
@@ -311,6 +331,29 @@ type danmakuSearchTerms struct {
 // (movies / unknown) is left empty so the search does not filter by episode.
 func (s *DanmakuService) searchTerms(ctx context.Context, mediaID string) (danmakuSearchTerms, *model.Media, error) {
 	var term danmakuSearchTerms
+	if IsEmbyRemoteID(mediaID) {
+		if s == nil || s.remoteResolve == nil {
+			return term, nil, errors.New("remote emby resolver unavailable")
+		}
+		m, _, err := s.remoteResolve(ctx, mediaID)
+		if err != nil || m == nil {
+			if err != nil {
+				return term, nil, err
+			}
+			return term, nil, errors.New("media not found")
+		}
+		if name := strings.TrimSpace(m.OriginalName); name != "" {
+			term.name = name
+		} else if name := strings.TrimSpace(m.Title); name != "" {
+			term.name = name
+		} else {
+			term.name = danmakuMatchFileName(m.Path)
+		}
+		if m.EpisodeNum > 0 {
+			term.episode = strconv.Itoa(m.EpisodeNum)
+		}
+		return term, m, nil
+	}
 	if s == nil || s.repo == nil || s.repo.Media == nil {
 		return term, nil, errors.New("media repository unavailable")
 	}
@@ -484,7 +527,14 @@ func (s *DanmakuService) hashCachePut(stamp, hash string) {
 // ("xxx.mkv.strm") — so a second strip removes a real video extension only
 // (filepath.Ext would misread names like "xxx.第01话" as having an extension).
 func danmakuMatchFileName(path string) string {
-	base := filepath.Base(path)
+	if path == "" {
+		return ""
+	}
+	clean := strings.ReplaceAll(path, "\\", "/")
+	if idx := strings.LastIndex(clean, "/"); idx >= 0 {
+		clean = clean[idx+1:]
+	}
+	base := filepath.Base(clean)
 	if ext := filepath.Ext(base); ext != "" {
 		base = strings.TrimSuffix(base, ext)
 	}
@@ -493,14 +543,20 @@ func danmakuMatchFileName(path string) string {
 			base = strings.TrimSuffix(base, filepath.Ext(base))
 		}
 	}
-	return base
+	return strings.TrimSpace(base)
 }
 
 // mediaHash returns the dandanplay match hash (MD5 of the first 16MB of the
-// video). Local videos are hashed straight from disk; .strm indirections are
-// resolved (local path / direct link) and only the 16MB prefix is downloaded.
+// video). Local videos are hashed straight from disk; .strm indirections and
+// remote Emby streams are range-fetched and only the 16MB prefix is downloaded.
 func (s *DanmakuService) mediaHash(ctx context.Context, media *model.Media) (string, bool) {
-	if media == nil || media.Path == "" {
+	if media == nil {
+		return "", false
+	}
+	if IsEmbyRemoteID(media.ID) {
+		return s.hashEmbyRemote(ctx, media)
+	}
+	if media.Path == "" {
 		return "", false
 	}
 	if strings.EqualFold(filepath.Ext(media.Path), ".strm") {
@@ -517,6 +573,43 @@ func (s *DanmakuService) mediaHash(ctx context.Context, media *model.Media) (str
 	return s.hashLocalFile(media.Path)
 }
 
+// hashEmbyRemote computes the 16MB-prefix MD5 of a remote Emby stream via HTTP Range.
+func (s *DanmakuService) hashEmbyRemote(ctx context.Context, media *model.Media) (string, bool) {
+	if media == nil || media.ID == "" {
+		return "", false
+	}
+	if h, ok := s.hashCacheGet("e|" + media.ID); ok {
+		return h, true
+	}
+	if s.remoteResolve == nil {
+		return "", false
+	}
+	_, streamURL, err := s.remoteResolve(ctx, media.ID)
+	if err != nil || strings.TrimSpace(streamURL) == "" {
+		if err != nil {
+			s.log.Warn("danmaku emby stream url resolve failed, hash layer skipped",
+				zap.String("media_id", media.ID), zap.Error(err))
+		}
+		return "", false
+	}
+	body, err := s.openRangeBody(ctx, streamURL, nil)
+	if err != nil || body == nil {
+		if err != nil {
+			s.log.Warn("danmaku emby range fetch failed, hash layer skipped",
+				zap.String("media_id", media.ID), zap.Error(err))
+		}
+		return "", false
+	}
+	defer body.Close()
+	h := md5.New()
+	if _, err := io.Copy(h, io.LimitReader(body, danmakuHashPrefixBytes)); err != nil {
+		return "", false
+	}
+	hash := hex.EncodeToString(h.Sum(nil))
+	s.hashCachePut("e|"+media.ID, hash)
+	return hash, true
+}
+
 // hashLocalFile computes the MD5 of the first 16MB of a local video, cached
 // by path+size+mtime so repeated danmaku loads skip the disk read.
 func (s *DanmakuService) hashLocalFile(path string) (string, bool) {

internal/service/emby_remote.go

@@ -231,6 +231,18 @@ func (r *EmbyRemoteService) DeleteMount(ctx context.Context, id string) error {
 	return err
 }
 
+// ReorderMounts 批量重排挂载媒体库顺序。
+func (r *EmbyRemoteService) ReorderMounts(ctx context.Context, ids []string) error {
+	if len(ids) == 0 {
+		return nil
+	}
+	if err := r.repo.EmbyMount.SetSortOrder(ctx, ids); err != nil {
+		return err
+	}
+	r.invalidateRemoteMediaCache(ctx)
+	return nil
+}
+
 // FullMountAccount 把账号的全部远程媒体库（View）挂载进来（幂等，已存在跳过）。
 func (r *EmbyRemoteService) FullMountAccount(ctx context.Context, acct *model.StrmAccount, proxyPlayDefault bool) (int, error) {
 	views, err := r.RemoteViews(ctx, acct)

internal/service/emby_remote_web.go

@@ -36,23 +36,28 @@ func (r *EmbyRemoteService) RemoteLibraries(ctx context.Context) ([]RemoteLibrar
 	if err != nil || len(mounts) == 0 {
 		return nil, err
 	}
-	// 按账号分组，每账号拉一次 Views 做匹配。
-	byAccount := map[string][]*model.EmbyMount{}
+	type accountData struct {
+		acct       *model.StrmAccount
+		cfg        *EmbyRemoteConfig
+		viewByName map[string]map[string]any
+	}
+	acctData := map[string]*accountData{}
 	for i := range mounts {
-		m := mounts[i]
+		m := &mounts[i]
 		if !m.Enabled {
 			continue
 		}
-		byAccount[m.AccountID] = append(byAccount[m.AccountID], &mounts[i])
-	}
-	out := make([]RemoteLibraryView, 0, len(mounts))
-	for accountID, accountMounts := range byAccount {
-		acct := r.AccountByID(ctx, accountID)
+		if _, ok := acctData[m.AccountID]; ok {
+			continue
+		}
+		acct := r.AccountByID(ctx, m.AccountID)
 		if acct == nil {
+			acctData[m.AccountID] = nil
 			continue
 		}
 		cfg, cfgErr := r.configOf(acct)
 		if cfgErr != nil {
+			acctData[m.AccountID] = nil
 			continue
 		}
 		views, viewErr := r.RemoteViews(ctx, acct)
@@ -61,31 +66,47 @@ func (r *EmbyRemoteService) RemoteLibraries(ctx context.Context) ([]RemoteLibrar
 				r.log.Warn("web remote emby views failed",
 					zap.String("account", acct.Name), zap.Error(viewErr))
 			}
+			acctData[m.AccountID] = nil
 			continue
 		}
 		viewByName := map[string]map[string]any{}
 		for _, v := range views {
 			viewByName[remoteItemString(v, "Id")] = v
 		}
-		for _, mount := range accountMounts {
-			v, ok := viewByName[mount.RemoteViewID]
-			if !ok {
-				continue // 远程已删除该媒体库
-			}
-			lib := r.mapRemoteMountToLibrary(mount, acct, cfg, v)
-			if lib == nil {
-				continue
-			}
-			out = append(out, RemoteLibraryView{
-				Library:        *lib,
-				MountID:        mount.ID,
-				AccountID:      acct.ID,
-				RemoteID:       mount.RemoteViewID,
-				CollectionType: mount.CollectionType,
-				AccountName:    acct.Name,
-			})
+		acctData[m.AccountID] = &accountData{
+			acct:       acct,
+			cfg:        cfg,
+			viewByName: viewByName,
 		}
 	}
+
+	out := make([]RemoteLibraryView, 0, len(mounts))
+	for i := range mounts {
+		m := &mounts[i]
+		if !m.Enabled {
+			continue
+		}
+		data := acctData[m.AccountID]
+		if data == nil || data.viewByName == nil {
+			continue
+		}
+		v, ok := data.viewByName[m.RemoteViewID]
+		if !ok {
+			continue // 远程已删除该媒体库
+		}
+		lib := r.mapRemoteMountToLibrary(m, data.acct, data.cfg, v)
+		if lib == nil {
+			continue
+		}
+		out = append(out, RemoteLibraryView{
+			Library:        *lib,
+			MountID:        m.ID,
+			AccountID:      data.acct.ID,
+			RemoteID:       m.RemoteViewID,
+			CollectionType: m.CollectionType,
+			AccountName:    data.acct.Name,
+		})
+	}
 	return out, nil
 }
 
@@ -125,13 +146,13 @@ func (r *EmbyRemoteService) mapRemoteMountToLibrary(mount *model.EmbyMount, acct
 	case "music":
 		libType = "music"
 	}
-	lib := &model.Library{
-		Base:      model.Base{ID: EncodeEmbyRemoteID(mount.ID, mount.RemoteViewID)},
-		Name:      name,
-		Type:      libType,
-		Enabled:   true,
-		SortOrder: 1000, // 远程库排在本地库之后
-	}
+		lib := &model.Library{
+			Base:      model.Base{ID: EncodeEmbyRemoteID(mount.ID, mount.RemoteViewID)},
+			Name:      name,
+			Type:      libType,
+			Enabled:   true,
+			SortOrder: 1000 + mount.SortOrder, // 远程库排在本地库之后，且保持挂载库排序
+		}
 	// 远程媒体库封面只有真实存在图片标签才下发。
 	if remoteItemHasImageTag(item, "Primary") {
 		lib.CoverURL = r.remoteItemImageURL(cfg, mount.RemoteViewID, "Primary")

internal/service/image_proxy.go

@@ -84,3 +84,13 @@ func (p *ImageProxy) libraryRoots() []string {
 	p.libRootsAt = time.Now()
 	return p.libRootsCache
 }
+
+// Prune removes oldest cached images until disk usage is within the configured limit.
+func (p *ImageProxy) Prune() (PruneImageCacheResult, error) {
+	if p.cfg == nil || p.cfg.Cache.ImagesMaxSizeMB <= 0 {
+		return PruneImageCacheResult{}, nil
+	}
+	maxBytes := int64(p.cfg.Cache.ImagesMaxSizeMB) * 1024 * 1024
+	return PruneImageCache(p.cacheDir, maxBytes)
+}
+

internal/service/runtime_settings.go

@@ -106,11 +106,18 @@ func ApplyRuntimeSetting(cfg *config.Config, key, value string) {
 		cfg.App.SSLCert = value
 	case "https.key":
 		cfg.App.SSLKey = value
-	case "https.cert_path":
-		cfg.App.SSLCertPath = strings.TrimSpace(value)
-	case "https.key_path":
-		cfg.App.SSLKeyPath = strings.TrimSpace(value)
-	}
+		case "https.cert_path":
+			cfg.App.SSLCertPath = strings.TrimSpace(value)
+		case "https.key_path":
+			cfg.App.SSLKeyPath = strings.TrimSpace(value)
+		case "cache.images_max_size_mb":
+			if n, err := strconv.Atoi(value); err == nil {
+				if n < 0 {
+					n = 0
+				}
+				cfg.Cache.ImagesMaxSizeMB = n
+			}
+		}
 }
 
 // ParseBoolSetting is the exported variant of parseBoolSetting for handlers

internal/service/scheduler.go

@@ -41,6 +41,8 @@ type SchedulerService struct {
 	cacheDir         string
 	now              func() time.Time
 
+	imagesMaxSizeMBProvider func() int
+
 	mu     sync.Mutex
 	stopCh chan struct{}
 	jobs   []*scheduledJob
@@ -59,6 +61,17 @@ func (s *SchedulerService) SetOrganizePipeline(pipeline *OrganizePipelineService
 	s.organizePipeline = pipeline
 }
 
+func (s *SchedulerService) SetImagesMaxSizeMBProvider(fn func() int) {
+	s.imagesMaxSizeMBProvider = fn
+}
+
+func (s *SchedulerService) imagesMaxSizeMB() int {
+	if s.imagesMaxSizeMBProvider != nil {
+		return s.imagesMaxSizeMBProvider()
+	}
+	return 0
+}
+
 // scheduledJob is one recurring task.
 type scheduledJob struct {
 	name     string
@@ -120,6 +133,11 @@ func (s *SchedulerService) Start(ctx context.Context) {
 			interval: 24 * time.Hour,
 			run:      s.jobPurgeRecycleBin,
 		},
+		{
+			name:     "image_cache_cleanup",
+			interval: 1 * time.Hour,
+			run:      s.jobCleanImageCache,
+		},
 	}
 	for _, j := range s.jobs {
 		initialDelay := 15 * time.Second

internal/service/scheduler_local_jobs.go

@@ -2,6 +2,7 @@ package service
 
 import (
 	"context"
+	"path/filepath"
 	"strconv"
 	"strings"
 	"time"
@@ -202,3 +203,32 @@ func isMissingTableErr(err error) bool {
 	}
 	return err == gorm.ErrInvalidDB
 }
+
+// jobCleanImageCache prunes image proxy cache files when disk usage exceeds the configured limit.
+func (s *SchedulerService) jobCleanImageCache(ctx context.Context) error {
+	if s.cacheDir == "" {
+		return nil
+	}
+	maxMB := s.imagesMaxSizeMB()
+	if maxMB <= 0 {
+		return nil
+	}
+	imagesDir := filepath.Join(s.cacheDir, "images")
+	maxSizeBytes := int64(maxMB) * 1024 * 1024
+	res, err := PruneImageCache(imagesDir, maxSizeBytes)
+	if err != nil {
+		if s.log != nil {
+			s.log.Warn("scheduled image cache cleanup failed", zap.Error(err))
+		}
+		return err
+	}
+	if res.DeletedFiles > 0 && s.log != nil {
+		s.log.Info("scheduled image cache cleanup completed",
+			zap.Int("deleted_files", res.DeletedFiles),
+			zap.Int64("freed_bytes", res.FreedBytes),
+			zap.Int64("remaining_bytes", res.RemainingBytes),
+		)
+	}
+	return nil
+}
+

internal/service/service_builder.go

@@ -2,11 +2,13 @@ package service
 
 import (
 	"context"
+	"errors"
 	"strings"
 
 	"go.uber.org/zap"
 
 	"github.com/ShukeBta/MMTL/internal/config"
+	"github.com/ShukeBta/MMTL/internal/model"
 	"github.com/ShukeBta/MMTL/internal/repository"
 )
 
@@ -117,6 +119,28 @@ func (b *serviceContainerBuilder) initContentServices() {
 	b.c.FFTools = NewFFmpegToolsService(b.cfg, b.log, b.repos)
 	// 弹幕 hash 识别需要把 strm 指向解析成可拉取的直链/本地路径。
 	b.c.Danmaku.SetStrmResolver(b.c.Strm.ResolvePlay)
+	// 弹幕识别需要把远程 Emby 条目解析为 Media 元数据及可拉取前 16MB 的直链 URL。
+	if b.c.EmbyRemote != nil {
+		b.c.Danmaku.SetRemoteMediaResolver(func(ctx context.Context, encodedID string) (*model.Media, string, error) {
+			mountID, remoteID, ok := DecodeEmbyRemoteID(encodedID)
+			if !ok {
+				return nil, "", errors.New("invalid emby remote id")
+			}
+			mount, acct, err := b.c.EmbyRemote.ResolveMount(ctx, mountID)
+			if err != nil || mount == nil || acct == nil {
+				if err != nil {
+					return nil, "", err
+				}
+				return nil, "", errors.New("emby mount or account not found")
+			}
+			m, err := b.c.EmbyRemote.RemoteMediaDetail(ctx, mount, acct, remoteID)
+			if err != nil || m == nil {
+				return nil, "", err
+			}
+			streamURL, _ := b.c.EmbyRemote.WebStreamURL(ctx, acct, remoteID)
+			return m, streamURL, nil
+		})
+	}
 }
 
 func (b *serviceContainerBuilder) initAccessAndStorageServices() {
@@ -131,6 +155,12 @@ func (b *serviceContainerBuilder) initAccessAndStorageServices() {
 	)
 	b.c.Scheduler.SetTaskTracker(b.c.Tasks)
 	b.c.Scheduler.SetOrganizePipeline(b.c.OrganizePipeline)
+	b.c.Scheduler.SetImagesMaxSizeMBProvider(func() int {
+		if b.cfg == nil {
+			return 0
+		}
+		return b.cfg.Cache.ImagesMaxSizeMB
+	})
 }
 
 func (b *serviceContainerBuilder) initIdentityServices() {

web/src/api/emby.ts

@@ -8,6 +8,8 @@ export const embyAPI = {
   updateMount: (id: string, payload: { name?: string; proxy_play?: boolean; enabled?: boolean }) =>
     api.put<EmbyMount>(`/admin/emby/mounts/${id}`, payload).then((r) => r.data),
   deleteMount: (id: string) => api.delete(`/admin/emby/mounts/${id}`).then((r) => r.data),
+  reorderMounts: (ids: string[]) =>
+    api.put<{ ok: boolean }>('/admin/emby/mounts/reorder', { ids }).then((r) => r.data),
   listAccountViews: (accountId: string) =>
     api.get<RemoteEmbyView[]>(`/admin/emby/accounts/${accountId}/views`).then((r) => r.data),
   fullMountAccount: (accountId: string, proxy: boolean) =>

web/src/components/APIConfigsPanel.tsx

@@ -39,8 +39,8 @@ export function APIConfigsPanel() {
       )}
 
       {!loading && (
-        <div className="glass-panel overflow-hidden">
-          <table className="w-full text-left text-sm">
+        <div className="glass-panel table-scroll">
+          <table className="min-w-[640px] w-full text-left text-sm">
             <thead className="border-b border-gray-200 text-xs uppercase tracking-wider text-sand-500">
               <tr>
                 <th className="px-4 py-3">服务</th>

web/src/components/Layout.tsx

@@ -53,7 +53,7 @@ export function Layout() {
   const isPlayPage = location.pathname.startsWith('/play')
 
   return (
-    <div className="flex h-screen w-screen overflow-hidden bg-[var(--app-bg)] text-[var(--app-text)] font-body select-none">
+    <div className="flex h-[100dvh] min-h-0 w-full overflow-hidden bg-[var(--app-bg)] text-[var(--app-text)] font-body select-none">
       <LayoutSidebars
         sidebar={sidebar}
         isAdmin={permissions.isAdmin}

web/src/components/LayoutHeaderSections.tsx

@@ -43,7 +43,7 @@ export function LayoutHeader({
   hideSearch,
 }: LayoutHeaderProps) {
   return (
-    <header className="relative flex h-20 shrink-0 items-center justify-between gap-4 border-b border-[var(--app-border)] bg-[var(--app-header-bg)] px-4 backdrop-blur-md z-30 md:px-8">
+    <header className="relative z-30 flex h-16 shrink-0 items-center justify-between gap-2 border-b border-[var(--app-border)] bg-[var(--app-header-bg)] px-3 backdrop-blur-md sm:h-20 sm:gap-4 sm:px-4 md:px-8">
       {/* Left: Mobile Menu button or Brand Logo */}
       <div className="flex items-center gap-3 shrink-0">
         <button
@@ -71,7 +71,7 @@ export function LayoutHeader({
       </div>
 
       {/* Middle: Search Box */}
-      <div className="flex-1 max-w-xl mx-auto">
+      <div className="flex min-w-0 flex-1 max-w-xl mx-auto">
         {!hideSearch && <LayoutHeaderSearch />}
       </div>
 
@@ -155,8 +155,8 @@ function LayoutHeaderSearch() {
     <div ref={containerRef} className="relative w-full">
       <div className="relative flex items-center">
         <Search
-          size={16}
-          className="absolute left-3.5 text-[var(--app-muted)] pointer-events-none transition-colors group-focus-within:text-brand-500"
+          size={15}
+          className="absolute left-3 text-[var(--app-muted)] pointer-events-none transition-colors group-focus-within:text-brand-500 sm:left-3.5 sm:text-[16px]"
         />
         <input
           type="text"
@@ -169,8 +169,8 @@ function LayoutHeaderSearch() {
             if (results.length > 0) setIsOpen(true)
           }}
           onKeyDown={handleKeyDown}
-          placeholder="搜索电影、剧集、演员…"
-          className="w-full h-10 pl-10 pr-9 rounded-2xl border border-[var(--app-border)] bg-[var(--app-panel)] text-sm text-[var(--app-text)] placeholder:text-[var(--app-muted)] shadow-sm outline-none transition-all duration-200 focus:border-brand-500 focus:ring-2 focus:ring-brand-500/20 focus:bg-[var(--app-panel-elevated)]"
+          placeholder="搜索媒体…"
+          className="w-full h-9 sm:h-10 pl-8 sm:pl-10 pr-8 sm:pr-9 rounded-xl sm:rounded-2xl border border-[var(--app-border)] bg-[var(--app-panel)] text-xs sm:text-sm text-[var(--app-text)] placeholder:text-[var(--app-muted)] shadow-sm outline-none transition-all duration-200 focus:border-brand-500 focus:ring-2 focus:ring-brand-500/20 focus:bg-[var(--app-panel-elevated)]"
         />
         {loading ? (
           <LoaderCircle size={15} className="absolute right-3.5 text-brand-500 animate-spin" />
@@ -288,8 +288,10 @@ function LayoutHeaderActions({
 }: LayoutHeaderActionsProps) {
   return (
     <div className="flex shrink-0 items-center gap-2 sm:gap-3 md:gap-4">
-      <LayoutThemeToggle mode={themeMode} onChange={onThemeChange} />
-      <span className="hidden h-6 w-px bg-[var(--app-border)] sm:block" />
+      <div className="hidden items-center gap-3 sm:flex md:gap-4">
+        <LayoutThemeToggle mode={themeMode} onChange={onThemeChange} />
+        <span className="h-6 w-px bg-[var(--app-border)]" />
+      </div>
       <LayoutUserMenu
         user={user}
         isOpen={isProfileOpen}

web/src/components/PlayerControls.tsx

@@ -324,7 +324,7 @@ export function PlayerControls({
       onMouseLeave={() => setControlsHovered(false)}
       onClick={(e) => e.stopPropagation()}
     >
-      <div className="flex items-center gap-2.5 text-white">
+      <div className="flex flex-wrap items-center gap-2 text-white sm:flex-nowrap sm:gap-2.5">
         {/* 上一集 */}
         <button
           onClick={onPrevEpisode}
@@ -362,24 +362,25 @@ export function PlayerControls({
           <SkipForward size={18} />
         </button>
 
-        <input
-          type="range"
-          min={0}
-          max={duration || 0}
-          step={0.1}
-          value={displayTime}
-          onMouseDown={handleSeekStart}
-          onTouchStart={handleSeekStart}
-          onChange={(e) => handleSeekChange(Number(e.target.value))}
-          onMouseUp={(e) => handleSeekEnd(Number((e.target as HTMLInputElement).value))}
-          onTouchEnd={(e) => handleSeekEnd(Number((e.target as HTMLInputElement).value))}
-          className="min-w-0 flex-1 cursor-pointer accent-rose-500"
-          aria-label="播放进度"
-        />
-
-        <span className="shrink-0 font-mono text-xs tabular-nums text-white/85">
-          {formatTime(displayTime)} / {formatTime(duration)}
-        </span>
+        <div className="order-2 flex min-w-0 basis-full items-center gap-2 sm:order-none sm:basis-auto sm:flex-1">
+          <input
+            type="range"
+            min={0}
+            max={duration || 0}
+            step={0.1}
+            value={displayTime}
+            onMouseDown={handleSeekStart}
+            onTouchStart={handleSeekStart}
+            onChange={(e) => handleSeekChange(Number(e.target.value))}
+            onMouseUp={(e) => handleSeekEnd(Number((e.target as HTMLInputElement).value))}
+            onTouchEnd={(e) => handleSeekEnd(Number((e.target as HTMLInputElement).value))}
+            className="min-w-0 flex-1 cursor-pointer accent-rose-500"
+            aria-label="播放进度"
+          />
+          <span className="shrink-0 font-mono text-[10px] tabular-nums text-white/85 sm:text-xs">
+            {formatTime(displayTime)} / {formatTime(duration)}
+          </span>
+        </div>
 
         {pipSupported && (
           <button
@@ -456,7 +457,7 @@ export function PlayerControls({
             title={hasPlaylist ? '选集列表' : '当前无更多剧集'}
           >
             <ListVideo size={15} />
-            选集
+              <span className="hidden sm:inline">选集</span>
           </button>
         )}
 
@@ -472,7 +473,7 @@ export function PlayerControls({
           title="弹幕设置"
         >
           <MessageSquareText size={15} />
-          弹幕
+          <span className="hidden sm:inline">弹幕</span>
           {danmakuEnabled && <span className="h-1.5 w-1.5 rounded-full bg-lime-400" />}
         </button>
 
@@ -490,7 +491,7 @@ export function PlayerControls({
           step={0.05}
           value={muted ? 0 : volume}
           onChange={(e) => changeVolume(Number(e.target.value))}
-          className="w-16 accent-rose-500"
+          className="hidden w-16 accent-rose-500 sm:block"
           aria-label="音量"
         />
 

web/src/components/PlayerDanmakuPanel.tsx

@@ -115,7 +115,7 @@ export function PlayerDanmakuPanel({
     // 面板悬浮于视频上方：阻止点击冒泡，避免触发视频区域的播放/暂停切换。
     <div
       onClick={(e) => e.stopPropagation()}
-      className="absolute right-4 top-16 z-30 w-80 rounded-2xl border border-white/15 bg-black/85 p-4 text-white shadow-2xl backdrop-blur-md"
+      className="absolute inset-x-3 top-12 bottom-3 z-30 w-auto overflow-y-auto rounded-2xl border border-white/15 bg-black/85 p-4 text-white shadow-2xl backdrop-blur-md sm:inset-x-auto sm:right-4 sm:top-16 sm:bottom-auto sm:w-80"
     >
       <div className="mb-3 flex items-center justify-between">
         <div className="flex items-center gap-2 text-sm font-semibold">

web/src/components/PlayerPlaylistPanel.tsx

@@ -89,7 +89,7 @@ export function PlayerPlaylistPanel({
   return (
     <div
       onClick={(e) => e.stopPropagation()}
-      className="absolute right-4 top-16 bottom-20 z-30 flex w-80 sm:w-96 flex-col rounded-2xl border border-white/15 bg-black/85 text-white shadow-2xl backdrop-blur-md overflow-hidden"
+      className="absolute inset-x-3 top-12 bottom-3 z-30 flex flex-col overflow-hidden rounded-2xl border border-white/15 bg-black/85 text-white shadow-2xl backdrop-blur-md sm:inset-x-auto sm:right-4 sm:top-16 sm:bottom-20 sm:w-96"
     >
       {/* 头部 */}
       <div className="flex items-center justify-between border-b border-white/10 px-4 py-3 shrink-0">

web/src/components/manageLibrariesDialog.tsx

@@ -22,17 +22,17 @@ export function openManageLibrariesDialog(): Promise<void> {
 function ManageLibrariesDialog({ onClose }: { onClose: () => void }) {
   return (
     <div
-      className="fixed inset-0 z-[100] flex items-center justify-center bg-black/35 p-4 backdrop-blur-sm"
+      className="fixed inset-0 z-[100] flex items-center justify-center bg-black/35 p-2 sm:p-4 backdrop-blur-sm"
       onClick={onClose}
     >
       <div
         role="dialog"
         aria-modal="true"
-        className="flex h-[85vh] w-full max-w-5xl flex-col overflow-hidden rounded-3xl border border-white/70 bg-white shadow-2xl"
+        className="flex h-[calc(100dvh-1rem)] sm:h-[85vh] w-full max-w-5xl flex-col overflow-hidden rounded-2xl sm:rounded-3xl border border-white/70 bg-white shadow-2xl"
         onClick={(event) => event.stopPropagation()}
       >
-        <div className="flex items-center justify-between border-b border-gray-100 px-6 py-4">
-          <h3 className="font-display text-lg font-bold text-ink-600">管理媒体库</h3>
+        <div className="flex items-center justify-between border-b border-gray-100 px-4 py-3 sm:px-6 sm:py-4">
+          <h3 className="font-display text-base sm:text-lg font-bold text-ink-600">管理媒体库</h3>
           <button
             type="button"
             onClick={onClose}
@@ -42,7 +42,7 @@ function ManageLibrariesDialog({ onClose }: { onClose: () => void }) {
             <X size={20} />
           </button>
         </div>
-        <div className="flex-1 overflow-y-auto p-6">
+        <div className="flex-1 overflow-y-auto p-3 sm:p-6">
           <AdminLibraryPanel />
         </div>
       </div>

web/src/index.css

@@ -277,10 +277,11 @@ body {
   .badge-neutral { @apply badge bg-gray-100 text-gray-600 border border-gray-200/50; }
 
   /* ── Page Headings ── */
-  .page-heading  { @apply font-display text-3xl font-extrabold tracking-tight text-gray-900; }
+  .page-heading  { @apply font-display text-2xl font-extrabold tracking-tight text-gray-900 sm:text-3xl; }
   .page-subtitle { @apply mt-1 text-sm text-gray-500; }
 
-  /* ── Data Tables Redesign ── */
+  /* ── Mobile Data Tables ── */
+  .table-scroll { @apply overflow-x-auto overscroll-x-contain; -webkit-overflow-scrolling: touch; }
   .data-table { @apply w-full text-left text-sm border-collapse; }
   .data-table thead { @apply border-b border-gray-200 bg-gray-50/70; }
   .data-table th { @apply px-5 py-4 text-xs font-bold uppercase tracking-wider text-gray-500 whitespace-nowrap; }

web/src/pages/AdminUsersTable.tsx

@@ -42,8 +42,8 @@ export function AdminUsersTable({
   onDeleteUser,
 }: AdminUsersTableProps) {
   return (
-    <div className="glass-panel overflow-x-auto">
-      <table className="w-full text-left text-sm">
+    <div className="glass-panel table-scroll">
+      <table className="min-w-[900px] w-full text-left text-sm">
         <thead className="text-xs uppercase tracking-wider text-sand-500">
           <tr>
             <th className="py-2">用户名</th>

web/src/pages/EmbyMountPage.tsx

@@ -2,8 +2,11 @@
 import { useCallback, useEffect, useState } from 'react'
 import toast from 'react-hot-toast'
 import {
+  ArrowDown,
+  ArrowUp,
   Check,
   Globe,
+  GripVertical,
   Loader2,
   Pencil,
   Plus,
@@ -107,7 +110,7 @@ function AccountDialog({
               disabled={!!existing}
             />
           </label>
-          <div className="grid grid-cols-2 gap-3">
+          <div className="grid grid-cols-1 gap-3 sm:grid-cols-2">
             <label className="block text-sm">
               <span className="mb-1 block font-semibold text-ink-600">用户名</span>
               <input className={inputCls} value={username} onChange={(e) => setUsername(e.target.value)} />
@@ -301,6 +304,89 @@ export function EmbyMountPage() {
   const [accountDialog, setAccountDialog] = useState<StrmAccount | null | 'new'>(null)
   const [mountDialogFor, setMountDialogFor] = useState<StrmAccount | null>(null)
   const [testingID, setTestingID] = useState<string | null>(null)
+  const [draggingId, setDraggingId] = useState<string | null>(null)
+  const [dragOverId, setDragOverId] = useState<string | null>(null)
+  const [reordering, setReordering] = useState(false)
+
+  const applyReorder = async (nextMounts: EmbyMount[]) => {
+    const prevMounts = mounts
+    setMounts(nextMounts)
+    setReordering(true)
+    try {
+      await embyAPI.reorderMounts(nextMounts.map((m) => m.id))
+      toast.success('媒体库顺序已更新')
+    } catch (err) {
+      setMounts(prevMounts)
+      toast.error(apiErrorMessage(err))
+    } finally {
+      setReordering(false)
+    }
+  }
+
+  const moveMount = (m: EmbyMount, direction: 'up' | 'down') => {
+    const acctMounts = mounts.filter((item) => item.account_id === m.account_id)
+    const idx = acctMounts.findIndex((item) => item.id === m.id)
+    if (idx < 0) return
+    if (direction === 'up' && idx === 0) return
+    if (direction === 'down' && idx === acctMounts.length - 1) return
+
+    const targetIdx = direction === 'up' ? idx - 1 : idx + 1
+    const newAcctMounts = [...acctMounts]
+    const [moved] = newAcctMounts.splice(idx, 1)
+    newAcctMounts.splice(targetIdx, 0, moved)
+
+    let acctPointer = 0
+    const nextMounts = mounts.map((item) => {
+      if (item.account_id === m.account_id) {
+        return newAcctMounts[acctPointer++]
+      }
+      return item
+    })
+    applyReorder(nextMounts)
+  }
+
+  const handleDragStart = (e: React.DragEvent, id: string) => {
+    e.dataTransfer.effectAllowed = 'move'
+    setDraggingId(id)
+  }
+
+  const handleDragOver = (e: React.DragEvent, overId: string) => {
+    e.preventDefault()
+    e.dataTransfer.dropEffect = 'move'
+    if (dragOverId !== overId) {
+      setDragOverId(overId)
+    }
+  }
+
+  const handleDrop = (overId: string, accountId: string) => {
+    if (!draggingId || draggingId === overId) {
+      setDraggingId(null)
+      setDragOverId(null)
+      return
+    }
+    const acctMounts = mounts.filter((item) => item.account_id === accountId)
+    const fromIdx = acctMounts.findIndex((item) => item.id === draggingId)
+    const toIdx = acctMounts.findIndex((item) => item.id === overId)
+    if (fromIdx < 0 || toIdx < 0) {
+      setDraggingId(null)
+      setDragOverId(null)
+      return
+    }
+    const newAcctMounts = [...acctMounts]
+    const [moved] = newAcctMounts.splice(fromIdx, 1)
+    newAcctMounts.splice(toIdx, 0, moved)
+
+    let acctPointer = 0
+    const nextMounts = mounts.map((item) => {
+      if (item.account_id === accountId) {
+        return newAcctMounts[acctPointer++]
+      }
+      return item
+    })
+    setDraggingId(null)
+    setDragOverId(null)
+    applyReorder(nextMounts)
+  }
 
   const load = useCallback(async () => {
     const [accts, mts] = await Promise.all([
@@ -454,8 +540,33 @@ export function EmbyMountPage() {
                   </p>
                 ) : (
                   <div className="space-y-2">
-                    {acctMounts.map((m) => (
-                      <div key={m.id} className={`flex items-center gap-3 rounded-xl border px-4 py-3 ${m.enabled ? 'border-sand-200 bg-gray-50/60' : 'border-gray-100 bg-gray-50 opacity-60'}`}>
+                    {acctMounts.map((m, index) => (
+                      <div
+                        key={m.id}
+                        onDragOver={(e) => handleDragOver(e, m.id)}
+                        onDrop={() => handleDrop(m.id, acct.id)}
+                        className={`flex items-center gap-3 rounded-xl border px-3 py-3 transition-colors ${
+                          draggingId === m.id
+                            ? 'border-dashed border-brand-400 bg-brand-50/20 opacity-50'
+                            : dragOverId === m.id
+                              ? 'border-brand-400 bg-brand-50/30'
+                              : m.enabled
+                                ? 'border-sand-200 bg-gray-50/60'
+                                : 'border-gray-100 bg-gray-50 opacity-60'
+                        }`}
+                      >
+                        <div
+                          draggable
+                          onDragStart={(e) => handleDragStart(e, m.id)}
+                          onDragEnd={() => {
+                            setDraggingId(null)
+                            setDragOverId(null)
+                          }}
+                          className="shrink-0 cursor-grab active:cursor-grabbing text-sand-400 hover:text-ink-600 p-0.5"
+                          title="按住拖拽调整顺序"
+                        >
+                          <GripVertical size={16} />
+                        </div>
                         <Tv size={16} className="shrink-0 text-brand-500" />
                         <div className="min-w-0 flex-1">
                           <p className="truncate text-sm font-semibold text-ink-600">
@@ -466,6 +577,24 @@ export function EmbyMountPage() {
                             {m.proxy_play ? ' · 本机代理播放' : ' · 直连播放'}
                           </p>
                         </div>
+                        <div className="flex items-center gap-1">
+                          <button
+                            onClick={() => moveMount(m, 'up')}
+                            disabled={index === 0 || reordering}
+                            className="rounded-lg border border-gray-200 p-1.5 text-ink-100 hover:bg-gray-100 disabled:opacity-30 disabled:cursor-not-allowed"
+                            title="上移"
+                          >
+                            <ArrowUp size={13} />
+                          </button>
+                          <button
+                            onClick={() => moveMount(m, 'down')}
+                            disabled={index === acctMounts.length - 1 || reordering}
+                            className="rounded-lg border border-gray-200 p-1.5 text-ink-100 hover:bg-gray-100 disabled:opacity-30 disabled:cursor-not-allowed"
+                            title="下移"
+                          >
+                            <ArrowDown size={13} />
+                          </button>
+                        </div>
                         <button
                           onClick={() => toggleMountProxy(m, !m.proxy_play)}
                           disabled={!m.enabled}

web/src/pages/FileEntriesTable.tsx

@@ -26,8 +26,8 @@ export function FileEntriesTable({
   onChoose,
 }: FileEntriesTableProps) {
   return (
-    <div className="glass-panel overflow-x-auto">
-      <table className="w-full text-left text-sm">
+    <div className="glass-panel table-scroll">
+      <table className="min-w-[700px] w-full text-left text-sm">
         <thead className="text-xs uppercase tracking-wider text-sand-500">
           <tr>
             <th className="w-10 py-2">

web/src/pages/LibrariesPageSections.tsx

@@ -48,36 +48,44 @@ export function LibrariesHeader({
   onManageLibraries: () => void
 }) {
   return (
-    <div className="flex flex-wrap items-end justify-between gap-4">
+    <div className="flex flex-col gap-3 sm:flex-row sm:items-end sm:justify-between sm:gap-4">
       <div>
-        <h1 className="font-display text-3xl font-bold text-ink-600">媒体库</h1>
-        <p className="mt-1 text-sm text-ink-50">
+        <h1 className="font-display text-2xl font-bold text-ink-600 sm:text-3xl">媒体库</h1>
+        <p className="mt-1 text-xs text-ink-50 sm:text-sm">
           共 {previewCount} 个目录 · {total.toLocaleString()} 个条目。每个目录直接展示最新入库内容。
         </p>
       </div>
-      <div className="flex flex-wrap items-center gap-3">
-        {repairMsg && <span className="text-xs text-ink-50">{repairMsg}</span>}
+      <div className="flex flex-wrap items-center gap-2 sm:gap-3">
+        {repairMsg && <span className="w-full text-xs text-ink-50">{repairMsg}</span>}
         <EpisodeArtworkToggle
           checked={repairEpisodeArtwork}
           onChange={onRepairEpisodeArtworkChange}
           title="关闭后仍会获取主海报和每集文字元数据，只跳过每集图片"
-          className="h-10"
+          className="h-9 sm:h-10 text-xs sm:text-sm"
         />
         <button
           type="button"
           onClick={onRepairRescrape}
           disabled={repairing}
-          className="btn-outline disabled:cursor-not-allowed disabled:opacity-60"
+          className="btn-outline !px-3 !py-1.5 text-xs sm:!px-4 sm:!py-2.5 sm:text-sm disabled:cursor-not-allowed disabled:opacity-60"
           title="从媒体路径回填缺失/错误的外部 ID，再批量重刮整库"
         >
           <RefreshCw size={14} className={repairing ? 'animate-spin' : ''} />
           {repairing ? '正在启动…' : '全库修复+重刮'}
         </button>
-        <Link to="/scraper/queue" className="btn-outline inline-flex items-center gap-1.5" title="查看正在进行的刮削任务与进度">
+        <Link
+          to="/scraper/queue"
+          className="btn-outline inline-flex items-center gap-1.5 !px-3 !py-1.5 text-xs sm:!px-4 sm:!py-2.5 sm:text-sm"
+          title="查看正在进行的刮削任务与进度"
+        >
           <Sparkles size={14} className="text-brand-500" />
           <span>刮削队列</span>
         </Link>
-        <button type="button" onClick={onManageLibraries} className="btn-outline">
+        <button
+          type="button"
+          onClick={onManageLibraries}
+          className="btn-outline !px-3 !py-1.5 text-xs sm:!px-4 sm:!py-2.5 sm:text-sm"
+        >
           管理媒体库
         </button>
       </div>
@@ -102,7 +110,7 @@ export function LibrariesContent({ previews }: { previews: LibraryPreview[] }) {
           <h2 className="font-display text-2xl font-bold text-ink-600">媒体库入口</h2>
           <p className="text-sm text-ink-50">按目录进入完整媒体库；下方每个目录也会直接展示最新内容。</p>
         </div>
-        <div className="grid gap-4 sm:grid-cols-2 xl:grid-cols-3">
+        <div className="grid grid-cols-1 gap-3 sm:grid-cols-2 sm:gap-4 xl:grid-cols-3">
           {previews.map((preview, index) => (
             <motion.div
               key={preview.library.id}
@@ -142,9 +150,9 @@ function LibraryEntryCard({ preview }: { preview: LibraryPreview }) {
   return (
     <Link
       to={`/library/${library.id}`}
-      className="group flex overflow-hidden rounded-3xl border border-sand-200 bg-white p-3 shadow-card transition-all hover:-translate-y-0.5 hover:border-brand-200 hover:shadow-card-hover"
+      className="group flex overflow-hidden rounded-2xl sm:rounded-3xl border border-sand-200 bg-white p-2.5 sm:p-3 shadow-card transition-all hover:-translate-y-0.5 hover:border-brand-200 hover:shadow-card-hover"
     >
-      <div className={`grid h-24 w-36 shrink-0 gap-1 overflow-hidden rounded-2xl bg-[linear-gradient(135deg,#fff7ed,#f8fafc)] ${artwork.length > 1 ? 'grid-cols-2' : 'grid-cols-1'}`}>
+      <div className={`grid h-20 w-24 sm:h-24 sm:w-36 shrink-0 gap-1 overflow-hidden rounded-xl sm:rounded-2xl bg-[linear-gradient(135deg,#fff7ed,#f8fafc)] ${artwork.length > 1 ? 'grid-cols-2' : 'grid-cols-1'}`}>
         {artwork.length > 0 ? (
           artwork.map(({ src, version }, index) => (
             <img
@@ -159,25 +167,32 @@ function LibraryEntryCard({ preview }: { preview: LibraryPreview }) {
           ))
         ) : (
           <div className="col-span-2 flex h-full items-center justify-center text-brand-500">
-            {TYPE_ICONS[library.type] ?? <FolderOpen size={34} />}
+            {TYPE_ICONS[library.type] ?? <FolderOpen size={28} className="sm:h-8 sm:w-8" />}
           </div>
         )}
       </div>
-      <div className="flex min-w-0 flex-1 flex-col justify-between px-4 py-1">
+      <div className="flex min-w-0 flex-1 flex-col justify-between px-3 sm:px-4 py-0.5 sm:py-1">
         <div>
-          <div className="mb-1 inline-flex rounded-full bg-sand-100 px-2 py-0.5 text-[10px] font-bold text-sand-600">
-            {TYPE_LABELS[library.type] ?? library.type}
+          <div className="mb-1 flex items-center justify-between gap-1.5">
+            <span className="inline-flex rounded-full bg-sand-100 px-2 py-0.5 text-[10px] font-bold text-sand-600">
+              {TYPE_LABELS[library.type] ?? library.type}
+            </span>
+            <span className="text-[11px] font-semibold text-sand-500 sm:hidden">
+              {preview.total.toLocaleString()} 个条目
+            </span>
           </div>
-          <h2 className="truncate font-display text-xl font-black text-ink-600 group-hover:text-brand-600">
+          <h2 className="line-clamp-2 font-display text-sm font-bold leading-tight text-ink-600 group-hover:text-brand-600 sm:truncate sm:text-xl sm:font-black">
             {library.name}
           </h2>
-          <p className="mt-1 line-clamp-1 break-all text-xs text-ink-50" title={library.path}>
+          <p className="mt-0.5 line-clamp-1 break-all text-[11px] text-ink-50 sm:mt-1 sm:text-xs" title={library.path}>
             {displayPath}
           </p>
         </div>
-        <div className="flex items-center justify-between text-xs font-bold">
-          <span className="text-sand-600">{preview.total.toLocaleString()} 个条目</span>
-          <span className="text-brand-600">浏览全部</span>
+        <div className="mt-1 flex items-center justify-between text-xs font-bold sm:mt-0">
+          <span className="hidden text-sand-600 sm:inline">{preview.total.toLocaleString()} 个条目</span>
+          <span className="ml-auto inline-flex items-center gap-0.5 text-[11px] text-brand-600 sm:text-xs">
+            浏览全部 <ArrowRight size={12} />
+          </span>
         </div>
       </div>
     </Link>
@@ -190,19 +205,19 @@ function LibraryShelf({ preview }: { preview: LibraryPreview }) {
   const displayPath = libraryDisplayPath(library.path)
 
   return (
-    <section className="rounded-[1.7rem] border border-sand-200 bg-white/75 p-4 shadow-card">
-      <div className="mb-4 flex flex-wrap items-end justify-between gap-3">
+    <section className="rounded-2xl sm:rounded-[1.7rem] border border-sand-200 bg-white/75 p-3.5 sm:p-4 shadow-card">
+      <div className="mb-3 sm:mb-4 flex flex-wrap items-end justify-between gap-2 sm:gap-3">
         <div className="min-w-0">
-          <div className="mb-1 inline-flex items-center gap-2 rounded-full bg-brand-50 px-2.5 py-1 text-[11px] font-bold text-brand-700">
+          <div className="mb-1 inline-flex items-center gap-1.5 sm:gap-2 rounded-full bg-brand-50 px-2 sm:px-2.5 py-0.5 sm:py-1 text-[10px] sm:text-[11px] font-bold text-brand-700">
             {TYPE_ICONS[library.type] ?? <LibraryIcon size={14} />}
             {TYPE_LABELS[library.type] ?? library.type}
           </div>
-          <h2 className="truncate font-display text-2xl font-black text-ink-600">{library.name}</h2>
+          <h2 className="line-clamp-2 font-display text-xl sm:text-2xl font-black text-ink-600 sm:truncate">{library.name}</h2>
           <p className="mt-1 line-clamp-1 break-all text-xs text-ink-50">
             <span title={library.path}>{displayPath}</span> · {preview.total.toLocaleString()} 个条目 · 最新 {cards.length} 部
           </p>
         </div>
-        <Link to={`/library/${library.id}`} className="btn-outline shrink-0">
+        <Link to={`/library/${library.id}`} className="btn-outline !px-3 !py-1.5 text-xs sm:!px-4 sm:!py-2.5 sm:text-sm shrink-0">
           浏览全部
           <ArrowRight size={14} />
         </Link>

web/src/pages/LibraryPageHeader.tsx

@@ -46,13 +46,13 @@ export function LibraryPageHeader({
   const displayPath = library ? libraryDisplayPath(library.path) : ''
 
   return (
-    <div className="flex flex-wrap items-center justify-between gap-3">
+    <div className="flex flex-col gap-3 sm:flex-row sm:items-center sm:justify-between">
       <div>
-        <h1 className="font-display text-3xl font-bold text-ink-600">
+        <h1 className="font-display text-2xl font-bold text-ink-600 sm:text-3xl">
           {library?.name ?? '媒体库'}
           <span className="text-sand-500"> ({itemCount})</span>
         </h1>
-        {library && <p className="text-sm text-ink-50" title={library.path}>{library.type} · {displayPath}</p>}
+        {library && <p className="text-xs text-ink-50 sm:text-sm" title={library.path}>{library.type} · {displayPath}</p>}
         {loadingAllText && <p className="mt-1 text-xs text-sand-500">{loadingAllText}</p>}
         {scanProgress && <p className="mt-1 text-xs text-brand-500">{scanProgress}</p>}
       </div>
@@ -69,18 +69,27 @@ export function LibraryPageHeader({
               checked={scrapeEpisodeArtwork}
               onChange={onScrapeEpisodeArtworkChange}
               title="关闭后仍会获取主海报和每集文字元数据，只跳过每集图片"
-              className="h-9"
+              className="h-9 text-xs sm:text-sm"
             />
-            <button onClick={onScan} disabled={scanning} className="btn-outline">
+            <button
+              onClick={onScan}
+              disabled={scanning}
+              className="btn-outline !px-3 !py-1.5 text-xs sm:!px-4 sm:!py-2.5 sm:text-sm"
+            >
               {scanning ? '扫描中…' : '扫描媒体库'}
             </button>
-            <button onClick={onScrape} disabled={scraping} className="btn-outline" title="对整个媒体库执行刮削元数据">
+            <button
+              onClick={onScrape}
+              disabled={scraping}
+              className="btn-outline !px-3 !py-1.5 text-xs sm:!px-4 sm:!py-2.5 sm:text-sm"
+              title="对整个媒体库执行刮削元数据"
+            >
               {scraping ? '刮削中…' : '整库刮削元数据'}
             </button>
             <button
               onClick={onRepairRescrape}
               disabled={repairing}
-              className="btn-outline"
+              className="btn-outline !px-3 !py-1.5 text-xs sm:!px-4 sm:!py-2.5 sm:text-sm"
               title="回填本库占位符外部 ID 并重刮，修正空 ID / 拆集问题"
             >
               {repairing ? '修复中…' : '修复+重刮整库'}

web/src/pages/LibraryStorageStats.tsx

@@ -83,8 +83,8 @@ export function LibraryStorageStats() {
 
       <section className="space-y-3">
         <h3 className="font-display text-lg font-semibold text-ink-600">按媒体库</h3>
-        <div className="glass-panel overflow-x-auto !p-3">
-          <table className="w-full text-left text-sm">
+        <div className="glass-panel table-scroll !p-3">
+          <table className="min-w-[500px] w-full text-left text-sm">
             <thead className="text-xs uppercase tracking-wider text-sand-500">
               <tr>
                 <th className="py-2">名称</th>

web/src/pages/ManualOrganizePanel.tsx

@@ -171,8 +171,8 @@ export function ManualOrganizePanel({
 
 function ManualOrganizePreviewTable({ items }: { items: PreviewItem[] }) {
   return (
-    <div className="max-h-72 overflow-auto rounded-xl border border-gray-200 bg-white/70">
-      <table className="w-full text-left text-xs">
+    <div className="table-scroll max-h-72 overflow-y-auto rounded-xl border border-gray-200 bg-white/70">
+      <table className="min-w-[700px] w-full text-left text-xs">
         <thead className="sticky top-0 bg-white text-sand-500">
           <tr>
             <th className="px-3 py-2">动作</th>

web/src/pages/ProfileFormModal.tsx

@@ -72,7 +72,7 @@ export function ProfileFormModal({
 
   return (
     <div className="fixed inset-0 z-50 flex items-center justify-center bg-black/60 p-4 backdrop-blur-sm">
-      <div className="glass-panel w-full max-w-lg max-h-[90vh] overflow-y-auto">
+      <div className="glass-panel max-h-[calc(100dvh-2rem)] w-full max-w-lg overflow-y-auto !p-4 sm:!p-6">
         <h2 className="mb-4 font-display text-xl font-semibold text-ink-600">
           {editing ? '编辑 Profile' : '创建 Profile'}
         </h2>

web/src/pages/ProfileFormSections.tsx

@@ -88,7 +88,7 @@ export function ProfilePreferenceFields({
 }) {
   return (
     <>
-      <div className="grid grid-cols-2 gap-3">
+      <div className="grid grid-cols-1 gap-3 sm:grid-cols-2">
         <Field label="首选字幕">
           <select
             className="input-base"

web/src/pages/ScraperQueuePage.tsx

@@ -450,7 +450,7 @@ export function ScraperQueuePage() {
         </div>
 
         {selectedIds.size > 0 && (
-          <div className="flex items-center gap-2 rounded-xl border border-brand-500/30 bg-primary-400/10 px-3 py-1.5 text-xs animate-in fade-in zoom-in-95">
+          <div className="flex flex-wrap items-center gap-2 rounded-xl border border-brand-500/30 bg-primary-400/10 px-3 py-2 text-xs animate-in fade-in zoom-in-95">
             <span className="font-bold text-brand-500">已选中 {selectedIds.size} 项</span>
             <div className="h-3.5 w-px bg-brand-300/40 mx-1" />
             <button
@@ -507,8 +507,8 @@ export function ScraperQueuePage() {
                 : `「${FILTERS.find((f) => f.key === filter)?.label}」状态下暂无任务`}
           </div>
         ) : (
-          <div className="overflow-x-auto">
-            <table className="w-full text-left text-sm">
+          <div className="table-scroll">
+            <table className="min-w-[960px] w-full text-left text-sm">
               <thead className="border-b border-gray-200/80 bg-gray-50/50 text-[11px] font-bold uppercase tracking-wider text-sand-500">
                 <tr>
                   <th className="w-10 px-3 py-3 text-center">

web/src/pages/StrmDialogs.tsx

@@ -1,4 +1,4 @@
-import { FormEvent, useEffect, useRef, useState } from 'react'
+import { FormEvent, useEffect, useMemo, useRef, useState } from 'react'
 import toast from 'react-hot-toast'
 import {
   ChevronRight,
@@ -48,7 +48,7 @@ function DialogShell({
         role="dialog"
         aria-modal="true"
         className={
-          'flex max-h-[88vh] w-full flex-col overflow-hidden rounded-3xl border border-white/70 bg-white shadow-2xl ' +
+          'flex max-h-[calc(100dvh-2rem)] w-full flex-col overflow-hidden rounded-3xl border border-white/70 bg-white shadow-2xl ' +
           (wide ? 'max-w-3xl' : 'max-w-lg')
         }
         onClick={(event) => event.stopPropagation()}
@@ -67,7 +67,7 @@ function DialogShell({
             <X size={20} />
           </button>
         </div>
-        <div className="flex-1 overflow-y-auto p-6">{children}</div>
+        <div className="min-h-0 flex-1 overflow-y-auto p-4 sm:p-6">{children}</div>
       </div>
     </div>
   )
@@ -192,7 +192,7 @@ export function StrmAccountDialog({
       <form onSubmit={submit} className="space-y-5">
         {/* 提供方选择 */}
         {!existing && (
-          <div className="grid grid-cols-3 gap-3">
+          <div className="grid grid-cols-1 gap-3 sm:grid-cols-3">
             {PROVIDER_OPTIONS.map((option) => {
               const Icon =
                 option.provider === 'cloud115'
@@ -435,10 +435,20 @@ function Strm115AuthPanel({
     })()
   }, [])
 
-  const filteredApps = (sources?.built_in ?? []).filter(
-    (s) => !appKeyword || s.app_name.toLowerCase().includes(appKeyword.toLowerCase()) || s.app_id.includes(appKeyword),
+  const filteredApps = useMemo(
+    () =>
+      (sources?.built_in ?? []).filter(
+        (s) => !appKeyword || s.app_name.toLowerCase().includes(appKeyword.toLowerCase()) || s.app_id.includes(appKeyword),
+      ),
+    [appKeyword, sources],
   )
 
+  useEffect(() => {
+    if (filteredApps.length > 0 && !filteredApps.some((source) => source.app_id === appID)) {
+      setAppID(filteredApps[0].app_id)
+    }
+  }, [appID, filteredApps])
+
   const buildStartPayload = () => {
     switch (authSource) {
       case 'built_in_appid':
@@ -453,6 +463,11 @@ function Strm115AuthPanel({
   }
 
   const startAuth = async () => {
+    if (authSource === 'built_in_appid' && filteredApps.length === 0) {
+      toast.error('未找到匹配的官方应用')
+      return
+    }
+
     setStarting(true)
     setAuthStatus('')
     try {
@@ -552,6 +567,7 @@ function Strm115AuthPanel({
                     </option>
                   ))}
                 </select>
+                {filteredApps.length === 0 && <p className="text-xs text-sand-500">未找到匹配的官方应用</p>}
               </Field>
             </div>
           )}
@@ -577,7 +593,12 @@ function Strm115AuthPanel({
             </Field>
           )}
 
-          <button type="button" onClick={startAuth} disabled={starting} className="neon-button disabled:opacity-50">
+          <button
+            type="button"
+            onClick={startAuth}
+            disabled={starting || (authSource === 'built_in_appid' && filteredApps.length === 0)}
+            className="neon-button disabled:opacity-50"
+          >
             {starting ? <Loader2 size={16} className="animate-spin" /> : <QrCode size={16} />}
             {authSource === 'built_in_appid' || authSource === 'custom_appid' ? '获取登录二维码' : '获取授权链接'}
           </button>

web/src/pages/StrmManagePage.tsx

@@ -502,8 +502,8 @@ function RecordSection({ records, onDeleted }: { records: StrmSyncRecord[]; onDe
       {records.length === 0 ? (
         <p className="rounded-xl bg-gray-50 px-4 py-6 text-center text-sm text-sand-500">还没有同步记录</p>
       ) : (
-        <div className="overflow-x-auto">
-          <table className="w-full text-left text-sm">
+        <div className="table-scroll">
+          <table className="min-w-[980px] w-full text-left text-sm">
             <thead className="border-b border-gray-200 text-xs uppercase tracking-wider text-sand-500">
               <tr>
                 <th className="px-3 py-2">时间</th>

web/src/pages/StrmQueuePage.tsx

@@ -470,7 +470,7 @@ export function StrmQueuePanel({ kind }: { kind: 'download' | 'upload' }) {
 
         {/* Selected Batch Toolbar */}
         {selectedIds.size > 0 && (
-          <div className="flex items-center gap-2 rounded-xl border border-brand-500/30 bg-primary-400/10 px-3 py-1.5 text-xs animate-in fade-in zoom-in-95">
+          <div className="flex flex-wrap items-center gap-2 rounded-xl border border-brand-500/30 bg-primary-400/10 px-3 py-2 text-xs animate-in fade-in zoom-in-95">
             <span className="font-bold text-brand-500">已选中 {selectedIds.size} 项</span>
             <div className="h-3.5 w-px bg-brand-300/40 mx-1" />
             <button
@@ -529,8 +529,8 @@ export function StrmQueuePanel({ kind }: { kind: 'download' | 'upload' }) {
                 : `「${FILTERS.find((f) => f.key === filter)?.label}」状态下暂无任务`}
           </div>
         ) : (
-          <div className="overflow-x-auto">
-            <table className="w-full text-left text-sm">
+          <div className="table-scroll">
+            <table className="min-w-[900px] w-full text-left text-sm">
               <thead className="border-b border-gray-200/80 bg-gray-50/50 text-[11px] font-bold uppercase tracking-wider text-sand-500">
                 <tr>
                   <th className="w-10 px-3 py-3 text-center">

web/src/pages/WatchHistoryPage.tsx

@@ -97,7 +97,7 @@ export function WatchHistoryPage() {
           return (
             <div
               key={h.id}
-              className="glass-panel flex items-center gap-4 !p-3"
+              className="glass-panel flex flex-col gap-3 !p-3 sm:flex-row sm:items-center sm:gap-4"
             >
               <div className="h-16 w-12 shrink-0 overflow-hidden rounded-lg bg-surface-900">
                 {m.poster_url ? (
@@ -109,14 +109,14 @@ export function WatchHistoryPage() {
                   />
                 ) : null}
               </div>
-              <div className="flex-1 space-y-1">
+              <div className="min-w-0 flex-1 space-y-1">
                 <Link
                   to={`/media/${m.id}`}
-                  className="font-medium text-ink-600 transition hover:text-brand-500"
+                  className="block truncate font-medium text-ink-600 transition hover:text-brand-500"
                 >
                   {m.title}
                 </Link>
-                <div className="flex items-center gap-3 text-xs text-ink-50">
+                <div className="flex flex-wrap items-center gap-x-3 gap-y-1 text-xs text-ink-50">
                   <span>{fmtDuration(h.position_ms)} / {fmtDuration(h.duration_ms)}</span>
                   <span>{new Date(h.watched_at).toLocaleString()}</span>
                   {h.completed && (
@@ -132,7 +132,7 @@ export function WatchHistoryPage() {
                   />
                 </div>
               </div>
-              <div className="flex shrink-0 items-center gap-2">
+              <div className="flex w-full items-center gap-2 sm:w-auto sm:shrink-0">
                 <Link
                   to={`/play/${m.id}`}
                   className="neon-button !px-3 !py-1 !text-xs"

web/src/pages/settingsGroupGeneral.ts

@@ -99,6 +99,14 @@ export const generalSettingsGroup: SettingGroup = {
       hint: 'NAS 建议 1；用于扫描、整理洗版和手动探测，避免同时启动多个 ffprobe 进程',
       defaultValue: '1',
     },
+    {
+      key: 'cache.images_max_size_mb',
+      label: '图片缓存上限 (MB)',
+      type: 'number',
+      hint: '海报、剧照等图片代理缓存目录 (cache/images) 的最大占用空间。超过上限时自动按修改时间清理最旧的文件。设为 0 表示不限制，默认 500MB',
+      defaultValue: '500',
+      placeholder: '500',
+    },
     {
       key: 'https.enabled',
       label: '启用 HTTPS',

web/src/types/emby.ts

@@ -6,6 +6,7 @@ export interface EmbyMount {
   remote_view_name: string
   collection_type: string
   name: string
+  sort_order?: number
   proxy_play: boolean
   enabled: boolean
   created_at: string