fix system update current version display

cmd/server/main.go

@@ -77,7 +77,7 @@ func main() {
 	repos := repository.New(db)
 	service.ApplyRuntimeSettings(context.Background(), cfg, repos, logger)
 	applyCPUThreadLimit(cfg, logger)
-	services := service.New(cfg, logger, repos)
+	services := service.NewWithVersion(cfg, logger, repos, version)
 
 	if repaired, err := services.RepairCloudPathMetadata(context.Background()); err != nil {
 		logger.Warn("cloud path metadata repair failed", zap.Error(err))

internal/service/service.go

@@ -82,7 +82,12 @@ type Container struct {
 
 // New 构建服务容器。
 func New(cfg *config.Config, log *zap.Logger, repos *repository.Container) *Container {
-	return newServiceContainer(cfg, log, repos)
+	return NewWithVersion(cfg, log, repos, "dev")
+}
+
+// NewWithVersion 构建带应用版本信息的服务容器。
+func NewWithVersion(cfg *config.Config, log *zap.Logger, repos *repository.Container, version string) *Container {
+	return newServiceContainer(cfg, log, repos, version)
 }
 
 // Boot 启动后台工作进程（watcher, downloads poller, subscription scheduler）。

internal/service/service_builder.go

@@ -11,19 +11,21 @@ import (
 )
 
 type serviceContainerBuilder struct {
-	cfg   *config.Config
-	log   *zap.Logger
-	repos *repository.Container
-	c     *Container
+	cfg     *config.Config
+	log     *zap.Logger
+	repos   *repository.Container
+	version string
+	c       *Container
 }
 
-func newServiceContainer(cfg *config.Config, log *zap.Logger, repos *repository.Container) *Container {
+func newServiceContainer(cfg *config.Config, log *zap.Logger, repos *repository.Container, version string) *Container {
 	ApplyRuntimeSettings(context.Background(), cfg, repos, log)
 
 	builder := &serviceContainerBuilder{
-		cfg:   cfg,
-		log:   log,
-		repos: repos,
+		cfg:     cfg,
+		log:     log,
+		repos:   repos,
+		version: normalizeSystemUpdateVersion(version),
 		c: &Container{
 			Cfg:  cfg,
 			Log:  log,
@@ -45,7 +47,7 @@ func (b *serviceContainerBuilder) startRealtimeServices() {
 	b.c.WSHub = NewHub(b.log)
 	go b.c.WSHub.Run()
 	b.c.Tasks = NewTaskTrackerService(b.log, b.c.WSHub)
-	b.c.SystemUpdate = NewSystemUpdateService(b.cfg, b.log, b.repos, b.c.Tasks)
+	b.c.SystemUpdate = NewSystemUpdateService(b.cfg, b.log, b.repos, b.c.Tasks, b.version)
 
 	b.c.SSEHub = NewSSEHub(b.log)
 	go b.c.SSEHub.Run()

internal/service/system_update.go

@@ -33,6 +33,7 @@ var ErrSystemUpdateRunning = errors.New("system update already running")
 
 type SystemUpdateStatus struct {
 	Image           string  `json:"image"`
+	CurrentVersion  string  `json:"current_version,omitempty"`
 	WatchtowerImage string  `json:"watchtower_image,omitempty"`
 	UpdateMode      string  `json:"update_mode,omitempty"`
 	ComposeDir      string  `json:"compose_dir,omitempty"`
@@ -55,18 +56,19 @@ type SystemUpdateStatus struct {
 }
 
 type SystemUpdateService struct {
-	cfg   *config.Config
-	log   *zap.Logger
-	repo  *repository.Container
-	tasks *TaskTrackerService
+	cfg     *config.Config
+	log     *zap.Logger
+	repo    *repository.Container
+	tasks   *TaskTrackerService
+	version string
 
 	mu      sync.Mutex
 	running bool
 	last    *SystemUpdateStatus
 }
 
-func NewSystemUpdateService(cfg *config.Config, log *zap.Logger, repo *repository.Container, tasks *TaskTrackerService) *SystemUpdateService {
-	return &SystemUpdateService{cfg: cfg, log: log, repo: repo, tasks: tasks}
+func NewSystemUpdateService(cfg *config.Config, log *zap.Logger, repo *repository.Container, tasks *TaskTrackerService, version string) *SystemUpdateService {
+	return &SystemUpdateService{cfg: cfg, log: log, repo: repo, tasks: tasks, version: normalizeSystemUpdateVersion(version)}
 }
 
 func (s *SystemUpdateService) Status(ctx context.Context) SystemUpdateStatus {
@@ -98,12 +100,15 @@ func (s *SystemUpdateService) Check(ctx context.Context) SystemUpdateStatus {
 func (s *SystemUpdateService) Apply(ctx context.Context) (SystemUpdateStatus, error) {
 	s.mu.Lock()
 	if s.running {
-		status := SystemUpdateStatus{}
 		if s.last != nil {
-			status = cloneSystemUpdateStatus(*s.last)
+			status := cloneSystemUpdateStatus(*s.last)
+			status.Running = true
+			s.mu.Unlock()
+			return status, ErrSystemUpdateRunning
 		}
-		status.Running = true
 		s.mu.Unlock()
+		status := s.baseStatus(ctx)
+		status.Running = true
 		return status, ErrSystemUpdateRunning
 	}
 	s.running = true
@@ -203,12 +208,21 @@ func (s *SystemUpdateService) baseStatus(ctx context.Context) SystemUpdateStatus
 	}
 	return SystemUpdateStatus{
 		Image:           image,
+		CurrentVersion:  s.version,
 		WatchtowerImage: watchtowerImage,
 		UpdateMode:      "compose",
 		ContainerID:     currentContainerID(),
 	}
 }
 
+func normalizeSystemUpdateVersion(version string) string {
+	version = strings.TrimSpace(version)
+	if version == "" {
+		return "dev"
+	}
+	return version
+}
+
 func (s *SystemUpdateService) setting(ctx context.Context, key, fallback string) string {
 	if s == nil || s.repo == nil || s.repo.Setting == nil {
 		return strings.TrimSpace(fallback)

internal/service/system_update_test.go

@@ -1,6 +1,7 @@
 package service
 
 import (
+	"context"
 	"os"
 	"path/filepath"
 	"strings"
@@ -152,3 +153,21 @@ func TestSystemUpdateOutputDetailsKeepsTail(t *testing.T) {
 		t.Fatalf("details length = %d, want 12", len(got))
 	}
 }
+
+func TestSystemUpdateStatusIncludesCurrentVersion(t *testing.T) {
+	svc := NewSystemUpdateService(nil, nil, nil, nil, "MediaStationGo-v0.0.99")
+
+	status := svc.Status(context.Background())
+	if status.CurrentVersion != "MediaStationGo-v0.0.99" {
+		t.Fatalf("current_version = %q, want MediaStationGo-v0.0.99", status.CurrentVersion)
+	}
+}
+
+func TestSystemUpdateStatusDefaultsCurrentVersion(t *testing.T) {
+	svc := NewSystemUpdateService(nil, nil, nil, nil, "")
+
+	status := svc.Status(context.Background())
+	if status.CurrentVersion != "dev" {
+		t.Fatalf("current_version = %q, want dev", status.CurrentVersion)
+	}
+}

web/src/api/admin.ts

@@ -3,6 +3,7 @@ import type { AccessLog, Setting, User } from '../types'
 
 export interface SystemUpdateStatus {
   image: string
+  current_version?: string
   watchtower_image?: string
   update_mode?: string
   compose_dir?: string

web/src/pages/SystemUpdatePanel.tsx

@@ -139,7 +139,8 @@ export function SystemUpdatePanel() {
         </div>
       </div>
 
-      <div className="grid gap-3 md:grid-cols-2 xl:grid-cols-4">
+      <div className="grid gap-3 md:grid-cols-2 xl:grid-cols-5">
+        <UpdateFact label="当前版本" value={status?.current_version || 'dev'} mono />
         <UpdateFact icon={Server} label="更新方式" value={status?.update_mode === 'compose' ? 'Docker Compose' : '自定义命令'} />
         <UpdateFact label="Compose 目录" value={status?.compose_dir || '自动识别'} mono />
         <UpdateFact label="应用镜像" value={status?.image || '-'} mono />