优化

优化

cmd/server/main.go

@@ -12,10 +12,7 @@ package main
 
 import (
 	"context"
-	"errors"
 	"fmt"
-	"net"
-	"net/http"
 	"os"
 	"os/signal"
 	"strings"
@@ -108,30 +105,19 @@ func main() {
 
 	router := buildRouter(cfg, logger, services)
 
-	srv := &http.Server{
+	serverMgr := newServerManager(cfg, logger, router)
-		Addr:              fmt.Sprintf(":%d", cfg.App.Port),
+	services.ReloadHTTPServer = serverMgr.Reload
-		Handler:           router,
+	if err := serverMgr.Start(); err != nil {
-		ReadHeaderTimeout: 15 * time.Second,
+		logger.Fatal("listen failed", zap.Error(err))
 	}
-
-	ln, err := net.Listen("tcp", srv.Addr)
-	if err != nil {
-		logger.Fatal("listen failed", zap.String("addr", srv.Addr), zap.Error(err))
-	}
-	localIP := getLocalIP()
-	logger.Info("server is ready",
-		zap.String("local", fmt.Sprintf("http://%s:%d", localIP, cfg.App.Port)),
-		zap.String("listen", srv.Addr),
-	)
 	go func() {
-		if err := srv.Serve(ln); err != nil && !errors.Is(err, http.ErrServerClosed) {
+		scheme := "http"
-			logger.Fatal("listen failed", zap.Error(err))
+		if cfg.App.HTTPSEnabled {
+			scheme = "https"
 		}
-	}()
-	go func() {
 		if publicIP := getPublicIP(3 * time.Second); publicIP != "" {
 			logger.Info("server public endpoint",
-				zap.String("public", fmt.Sprintf("http://%s:%d", publicIP, cfg.App.Port)),
+				zap.String("public", fmt.Sprintf("%s://%s:%d", scheme, publicIP, cfg.App.Port)),
 			)
 		}
 	}()
@@ -145,7 +131,7 @@ func main() {
 
 	ctx, cancel := context.WithTimeout(context.Background(), 15*time.Second)
 	defer cancel()
-	if err := srv.Shutdown(ctx); err != nil {
+	if err := serverMgr.Shutdown(ctx); err != nil {
 		logger.Error("graceful shutdown failed", zap.Error(err))
 	}
 	services.Close()

cmd/server/server_manager.go

@@ -0,0 +1,267 @@
+package main
+
+import (
+	"context"
+	"crypto/tls"
+	"errors"
+	"fmt"
+	"net"
+	"net/http"
+	"strings"
+	"sync"
+	"time"
+
+	"go.uber.org/zap"
+
+	"github.com/ShukeBta/MMTL/internal/config"
+	"github.com/ShukeBta/MMTL/internal/service"
+)
+
+// tlsPair 记录当前正在服务的证书，用于判断是否需要重新绑定监听。
+type tlsPair struct {
+	cert    tls.Certificate
+	certPEM string
+	keyPEM  string
+	// version 是解析后的证书/私钥指纹；内容或磁盘文件变化都会导致其改变，
+	// 据此决定是否需要重新绑定监听。
+	version string
+}
+
+// serverManager 负责 MMTL 的 HTTP/HTTPS 监听。HTTPS 设置保存后调用 Reload，
+// 在同一个端口上把明文 HTTP 与 TLS 监听热切换，无需重启进程：
+//
+//   - 关闭旧监听释放端口（同一进程内 Windows 不允许重复绑定同一端口）；
+//   - 按最新配置重新绑定并立即对外服务；
+//   - 旧服务器随后优雅退出，正在进行的播放/请求不会被立刻掐断。
+//
+// 任何校验失败都会中止切换并保留旧监听，保证用户不会被锁在服务外面。
+type serverManager struct {
+	cfg     *config.Config
+	log     *zap.Logger
+	handler http.Handler
+	addr    string
+
+	mu                sync.Mutex
+	srv               *http.Server
+	ln                net.Listener
+	pair              *tlsPair
+	stopCh            chan struct{}
+	autoReloadStarted bool
+}
+
+func newServerManager(cfg *config.Config, log *zap.Logger, handler http.Handler) *serverManager {
+	return &serverManager{
+		cfg:     cfg,
+		log:     log,
+		handler: handler,
+		addr:    fmt.Sprintf(":%d", cfg.App.Port),
+		stopCh:  make(chan struct{}),
+	}
+}
+
+// Start 启动监听。即使 HTTPS 配置损坏也退回明文 HTTP 继续启动，避免服务冷启动失败。
+func (m *serverManager) Start() error {
+	m.mu.Lock()
+	defer m.mu.Unlock()
+
+	pair, err := m.desiredPair()
+	if err != nil {
+		m.log.Error("invalid HTTPS config at startup, serving plain HTTP instead", zap.Error(err))
+		pair = nil
+	}
+	if err := m.bind(pair); err != nil {
+		return err
+	}
+	m.logServerReady()
+	m.maybeStartAutoReloadLocked()
+	return nil
+}
+
+// Reload 依据最新配置热切换监听。返回的错误会带给调用它的设置接口；若新监听
+// 绑定失败会自动回滚到旧配置继续服务。
+func (m *serverManager) Reload() error {
+	m.mu.Lock()
+	defer m.mu.Unlock()
+
+	pair, err := m.desiredPair()
+	if err != nil {
+		m.log.Error("server reload aborted", zap.Error(err))
+		return err
+	}
+	if m.pairEquals(pair) {
+		return nil
+	}
+
+	oldSrv, oldLn, oldPair := m.srv, m.ln, m.pair
+	if oldLn != nil {
+		_ = oldLn.Close() // 释放端口后再绑定新监听
+	}
+	m.srv, m.ln, m.pair = nil, nil, nil
+
+	firstErr := m.bind(pair)
+	if firstErr != nil {
+		m.log.Error("bind new listener failed, rolling back to previous", zap.Error(firstErr))
+		if rbErr := m.bind(oldPair); rbErr != nil {
+			return fmt.Errorf("reload failed: %v; rollback failed: %v", firstErr, rbErr)
+		}
+	}
+	// 新监听已就绪，让旧服务器在新连接切换到新监听后优雅退出。
+	m.drain(oldSrv)
+	m.logServerReady()
+	m.maybeStartAutoReloadLocked()
+	return firstErr
+}
+
+// Shutdown 优雅停止当前服务器（用于进程退出）。
+func (m *serverManager) Shutdown(ctx context.Context) error {
+	select {
+	case <-m.stopCh:
+	default:
+		close(m.stopCh)
+	}
+	m.mu.Lock()
+	defer m.mu.Unlock()
+	if m.srv == nil {
+		return nil
+	}
+	return m.srv.Shutdown(ctx)
+}
+
+// desiredPair 根据当前配置计算目标监听形态：nil 表示明文 HTTP，非 nil 表示 TLS。
+// 证书/私钥按"路径优先、内容兜底"解析，并校验是否匹配。
+func (m *serverManager) desiredPair() (*tlsPair, error) {
+	if m.cfg == nil || !m.cfg.App.HTTPSEnabled {
+		return nil, nil
+	}
+	certPEM, err := service.ResolveSSLMaterial(m.cfg.App.SSLCert, m.cfg.App.SSLCertPath, "证书")
+	if err != nil {
+		return nil, err
+	}
+	keyPEM, err := service.ResolveSSLMaterial(m.cfg.App.SSLKey, m.cfg.App.SSLKeyPath, "私钥")
+	if err != nil {
+		return nil, err
+	}
+	if err := service.ValidateSSLKeyPair(certPEM, keyPEM); err != nil {
+		return nil, err
+	}
+	cert, err := tls.X509KeyPair([]byte(certPEM), []byte(keyPEM))
+	if err != nil {
+		return nil, fmt.Errorf("SSL 证书/私钥无效：%v", err)
+	}
+	return &tlsPair{
+		cert:    cert,
+		certPEM: certPEM,
+		keyPEM:  keyPEM,
+		version: certPEM + "\x00" + keyPEM,
+	}, nil
+}
+
+// maybeStartAutoReloadLocked 在证书/私钥通过文件路径配置时，幂等地启动后台轮询，
+// 便于运行中切换到路径方式（或换证）后无需重启也能热更新。调用方需持有 m.mu。
+func (m *serverManager) maybeStartAutoReloadLocked() {
+	if m.autoReloadStarted {
+		return
+	}
+	if !m.pathBased() {
+		return
+	}
+	m.autoReloadStarted = true
+	m.startAutoReload()
+}
+
+// pathBased 是否至少有一侧证书/私钥通过文件路径配置。
+func (m *serverManager) pathBased() bool {
+	return strings.TrimSpace(m.cfg.App.SSLCertPath) != "" || strings.TrimSpace(m.cfg.App.SSLKeyPath) != ""
+}
+
+// startAutoReload 后台轮询文件变更并自动热更新，方便换证。
+func (m *serverManager) startAutoReload() {
+	ticker := time.NewTicker(30 * time.Second)
+	go func() {
+		defer ticker.Stop()
+		for {
+			select {
+			case <-m.stopCh:
+				return
+			case <-ticker.C:
+				if !m.pathBased() {
+					continue // 路径已清空（改回内容配置），不再轮询
+				}
+				if err := m.Reload(); err != nil {
+					m.log.Warn("periodic https reload failed", zap.Error(err))
+				}
+			}
+		}
+	}()
+}
+
+// pairEquals 判断目标配置与当前监听是否一致，一致则无需重新绑定。
+func (m *serverManager) pairEquals(pair *tlsPair) bool {
+	if pair == nil && m.pair == nil {
+		return true
+	}
+	if pair == nil || m.pair == nil {
+		return false
+	}
+	return pair.version == m.pair.version
+}
+
+// bind 创建并按需启用 TLS 的监听，异步开始服务。
+func (m *serverManager) bind(pair *tlsPair) error {
+	ln, err := net.Listen("tcp", m.addr)
+	if err != nil {
+		return fmt.Errorf("listen %s: %w", m.addr, err)
+	}
+	srv := &http.Server{
+		Handler:           m.handler,
+		ReadHeaderTimeout: 15 * time.Second,
+	}
+	if pair != nil {
+		ln = tls.NewListener(ln, &tls.Config{
+			Certificates: []tls.Certificate{pair.cert},
+			MinVersion:   tls.VersionTLS12,
+		})
+	}
+	m.srv, m.ln, m.pair = srv, ln, pair
+	go m.serve(srv, ln)
+	return nil
+}
+
+func (m *serverManager) serve(s *http.Server, ln net.Listener) {
+	if err := s.Serve(ln); err != nil &&
+		!errors.Is(err, http.ErrServerClosed) && !errors.Is(err, net.ErrClosed) {
+		m.log.Fatal("listen failed", zap.Error(err))
+	}
+}
+
+// drain 让旧服务器在后台优雅退出（等待进行中的连接完成或在超时后强制关闭）。
+func (m *serverManager) drain(s *http.Server) {
+	if s == nil {
+		return
+	}
+	go func(s *http.Server) {
+		ctx, cancel := context.WithTimeout(context.Background(), 15*time.Second)
+		defer cancel()
+		if err := s.Shutdown(ctx); err != nil && !errors.Is(err, context.DeadlineExceeded) {
+			m.log.Warn("drain old server failed", zap.Error(err))
+		}
+	}(s)
+}
+
+func (m *serverManager) logServerReady() {
+	scheme := "http"
+	if m.pair != nil {
+		scheme = "https"
+	}
+	localIP := getLocalIP()
+	m.log.Info("server is ready",
+		zap.String("scheme", scheme),
+		zap.String("local", fmt.Sprintf("%s://%s:%d", scheme, localIP, m.cfg.App.Port)),
+		zap.String("listen", m.addr),
+	)
+	if m.pair != nil {
+		m.log.Info("HTTPS is enabled; plain HTTP is no longer served on this port",
+			zap.String("addr", m.addr),
+		)
+	}
+}

cmd/server/server_manager_test.go

@@ -0,0 +1,107 @@
+package main
+
+import (
+	"crypto/ecdsa"
+	"crypto/elliptic"
+	"crypto/rand"
+	"crypto/x509"
+	"crypto/x509/pkix"
+	"encoding/pem"
+	"math/big"
+	"net/http"
+	"os"
+	"path/filepath"
+	"strings"
+	"testing"
+	"time"
+
+	"go.uber.org/zap"
+
+	"github.com/ShukeBta/MMTL/internal/config"
+)
+
+func makeTestPairPEM(t *testing.T) (certPEM, keyPEM string) {
+	t.Helper()
+	priv, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
+	if err != nil {
+		t.Fatal(err)
+	}
+	tpl := &x509.Certificate{
+		SerialNumber: big.NewInt(1),
+		Subject:      pkix.Name{CommonName: "localhost"},
+		NotBefore:    time.Now().Add(-time.Hour),
+		NotAfter:     time.Now().Add(24 * time.Hour),
+		DNSNames:     []string{"localhost"},
+	}
+	der, err := x509.CreateCertificate(rand.Reader, tpl, tpl, &priv.PublicKey, priv)
+	if err != nil {
+		t.Fatal(err)
+	}
+	keyDER, err := x509.MarshalECPrivateKey(priv)
+	if err != nil {
+		t.Fatal(err)
+	}
+	certPEM = strings.TrimSpace(string(pem.EncodeToMemory(&pem.Block{Type: "CERTIFICATE", Bytes: der})))
+	keyPEM = strings.TrimSpace(string(pem.EncodeToMemory(&pem.Block{Type: "EC PRIVATE KEY", Bytes: keyDER})))
+	return certPEM, keyPEM
+}
+
+func newTestServerManager(t *testing.T) *serverManager {
+	t.Helper()
+	cfg := &config.Config{}
+	cfg.App.Port = 18081
+	return newServerManager(cfg, zap.NewNop(), http.NewServeMux())
+}
+
+func TestDesiredPairModes(t *testing.T) {
+	m := newTestServerManager(t)
+
+	if p, err := m.desiredPair(); err != nil || p != nil {
+		t.Fatalf("disabled should be nil pair, got p=%v err=%v", p, err)
+	}
+
+	certPEM, keyPEM := makeTestPairPEM(t)
+	m.cfg.App.HTTPSEnabled = true
+	m.cfg.App.SSLCert, m.cfg.App.SSLKey = certPEM, keyPEM
+	p, err := m.desiredPair()
+	if err != nil || p == nil || p.version == "" {
+		t.Fatalf("content pair failed: p=%v err=%v", p, err)
+	}
+
+	dir := t.TempDir()
+	certPath, keyPath := filepath.Join(dir, "cert.pem"), filepath.Join(dir, "key.pem")
+	if err := os.WriteFile(certPath, []byte(certPEM), 0o600); err != nil {
+		t.Fatal(err)
+	}
+	if err := os.WriteFile(keyPath, []byte(keyPEM), 0o600); err != nil {
+		t.Fatal(err)
+	}
+	m.cfg.App.SSLCert, m.cfg.App.SSLKey = "", ""
+	m.cfg.App.SSLCertPath, m.cfg.App.SSLKeyPath = certPath, keyPath
+	p2, err := m.desiredPair()
+	if err != nil || p2 == nil {
+		t.Fatalf("path pair failed: %v", err)
+	}
+
+	m.cfg.App.SSLKeyPath = filepath.Join(dir, "nope.pem")
+	if _, err := m.desiredPair(); err == nil {
+		t.Fatal("expected error when key file missing")
+	}
+	m.cfg.App.SSLKeyPath = keyPath
+
+	// 替换文件（换一套新的有效证书）后版本号应变化，触发热更新。
+	newCert, newKey := makeTestPairPEM(t)
+	if err := os.WriteFile(certPath, []byte(newCert), 0o600); err != nil {
+		t.Fatal(err)
+	}
+	if err := os.WriteFile(keyPath, []byte(newKey), 0o600); err != nil {
+		t.Fatal(err)
+	}
+	p3, err := m.desiredPair()
+	if err != nil {
+		t.Fatalf("replace: %v", err)
+	}
+	if p3.version == p2.version {
+		t.Fatal("version should change after files replaced")
+	}
+}

internal/config/types.go

@@ -49,6 +49,17 @@ type AppConfig struct {
 	Env         string `mapstructure:"env"`
 	DataDir     string `mapstructure:"data_dir"`
 	WebDir      string `mapstructure:"web_dir"`
+	// HTTPSEnabled 是否仅通过 HTTPS 提供访问。启用时必须同时配置
+	// SSLCert / SSLKey（或 SSLCertPath / SSLKeyPath），保存后服务会热切换到 HTTPS。
+	HTTPSEnabled bool `mapstructure:"https_enabled"`
+	// SSLCert 是 PEM 编码的 SSL 证书内容。
+	SSLCert string `mapstructure:"ssl_cert"`
+	// SSLKey 是 PEM 编码的 SSL 私钥内容。
+	SSLKey string `mapstructure:"ssl_key"`
+	// SSLCertPath 是 SSL 证书文件路径；非空时优先于 SSLCert 从文件读取。
+	SSLCertPath string `mapstructure:"ssl_cert_path"`
+	// SSLKeyPath 是 SSL 私钥文件路径；非空时优先于 SSLKey 从文件读取。
+	SSLKeyPath string `mapstructure:"ssl_key_path"`
 	FFmpegPath  string `mapstructure:"ffmpeg_path"`
 	FFprobePath string `mapstructure:"ffprobe_path"`
 	// FFprobeMaxConcurrent limits concurrent ffprobe/ffmpeg metadata probes.

internal/handler/admin_settings.go

@@ -8,6 +8,7 @@ import (
 	"time"
 
 	"github.com/gin-gonic/gin"
+	"go.uber.org/zap"
 
 	"github.com/ShukeBta/MMTL/internal/model"
 	"github.com/ShukeBta/MMTL/internal/service"
@@ -50,6 +51,10 @@ func updateSettingHandler(svc *service.Container) gin.HandlerFunc {
 			_ = svc.Repo.DB.WithContext(c.Request.Context()).Model(&model.User{}).Where("hide_adult = ?", false).Update("hide_adult", true).Error
 		}
 		service.ApplyRuntimeSetting(svc.Cfg, req.Key, req.Value)
+		if err := applyHTTPSetting(svc, req.Key, req.Value); err != nil {
+			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+			return
+		}
 		if svc.FFprobe != nil && (req.Key == "ffprobe.max_concurrent" || req.Key == "app.ffprobe_max_concurrent") {
 			svc.FFprobe.SetMaxConcurrent(svc.Cfg.App.FFprobeMaxConcurrent)
 		}
@@ -63,6 +68,83 @@ func updateSettingHandler(svc *service.Container) gin.HandlerFunc {
 	}
 }
 
+// applyHTTPSetting 校验 HTTPS 相关设置，并在可行时热重载监听。
+// 必须在 ApplyRuntimeSetting 之后调用，这样 svc.Cfg 已反映刚保存的值。
+//
+// 规则：
+//   - https.enabled=true 时强制要求证书与私钥都已配置（内容或路径均可）且匹配，
+//     否则返回错误（"如果启用就必须配置 SSL 证书和密钥"）；
+//   - 证书/私钥（内容或路径）单独保存时只校验格式；若 HTTPS 已开启且新的整体
+//     配置可解析匹配才触发重载，避免"只存了新证书、私钥还没保存"时用旧私钥带
+//     新证书对外提供服务。
+func applyHTTPSetting(svc *service.Container, key, value string) error {
+	skipReload := func(reason string) {
+		if svc.Log != nil {
+			svc.Log.Warn("https setting saved but not applied yet", zap.String("key", key), zap.String("reason", reason))
+		}
+	}
+	switch key {
+	case "https.enabled":
+		if svc.Cfg.App.HTTPSEnabled {
+			if _, err := service.ResolveSSLKeyPair(svc.Cfg.App.SSLCert, svc.Cfg.App.SSLCertPath, svc.Cfg.App.SSLKey, svc.Cfg.App.SSLKeyPath); err != nil {
+				return fmt.Errorf("启用 HTTPS 失败：%v", err)
+			}
+		}
+	case "https.cert", "https.cert_path", "https.key", "https.key_path":
+		if err := validateSSLMaterialSource(key, value); err != nil {
+			return err
+		}
+		if !svc.Cfg.App.HTTPSEnabled {
+			return nil
+		}
+		if !httpsPairReady(svc) {
+			skipReload("证书与私钥尚未匹配，等待另一半保存后生效")
+			return nil
+		}
+	default:
+		return nil
+	}
+	if svc.ReloadHTTPServer != nil {
+		return svc.ReloadHTTPServer()
+	}
+	return nil
+}
+
+// validateSSLMaterialSource 校验刚保存的证书/私钥来源（内容或路径）本身格式合法。
+func validateSSLMaterialSource(key, value string) error {
+	switch key {
+	case "https.cert":
+		return service.ValidateSSLCert(value)
+	case "https.cert_path":
+		if strings.TrimSpace(value) == "" {
+			return nil // 清空路径也允许，启用时由整体校验把关
+		}
+		pemStr, err := service.ResolveSSLMaterial("", value, "证书")
+		if err != nil {
+			return err
+		}
+		return service.ValidateSSLCert(pemStr)
+	case "https.key":
+		return service.ValidateSSLKey(value)
+	case "https.key_path":
+		if strings.TrimSpace(value) == "" {
+			return nil
+		}
+		pemStr, err := service.ResolveSSLMaterial("", value, "私钥")
+		if err != nil {
+			return err
+		}
+		return service.ValidateSSLKey(pemStr)
+	}
+	return nil
+}
+
+// httpsPairReady 判断基于当前配置解析出的证书/私钥是否完整且匹配。
+func httpsPairReady(svc *service.Container) bool {
+	_, err := service.ResolveSSLKeyPair(svc.Cfg.App.SSLCert, svc.Cfg.App.SSLCertPath, svc.Cfg.App.SSLKey, svc.Cfg.App.SSLKeyPath)
+	return err == nil
+}
+
 type testAdultScraperReq struct {
 	Engine    string `json:"engine"`
 	ServerURL string `json:"server_url"`

internal/service/https.go

@@ -0,0 +1,160 @@
+package service
+
+import (
+	"crypto"
+	"crypto/ecdsa"
+	"crypto/ed25519"
+	"crypto/rsa"
+	"crypto/tls"
+	"crypto/x509"
+	"encoding/pem"
+	"errors"
+	"fmt"
+	"os"
+	"path/filepath"
+	"strings"
+)
+
+// ResolveSSLMaterial 解析一份 SSL 材料（证书或私钥）的 PEM 内容：
+// 优先读取 path 指向的文件，其次使用内容；两者都为空时返回错误。
+// what 用于错误提示（"证书" / "私钥"）。
+func ResolveSSLMaterial(content, path, what string) (string, error) {
+	p := strings.TrimSpace(path)
+	if p != "" {
+		if info, err := os.Stat(p); err != nil {
+			return "", fmt.Errorf("SSL %s文件不可访问：%s（%v）", what, p, err)
+		} else if info.IsDir() {
+			return "", fmt.Errorf("SSL %s路径指向的是目录，请填写文件路径：%s", what, p)
+		}
+		b, err := os.ReadFile(p)
+		if err != nil {
+			return "", fmt.Errorf("读取 SSL %s文件失败：%s（%v）", what, p, err)
+		}
+		return strings.TrimSpace(string(b)), nil
+	}
+	c := strings.TrimSpace(content)
+	if c == "" {
+		return "", fmt.Errorf("SSL %s未配置：请填写内容或文件路径", what)
+	}
+	return c, nil
+}
+
+// ResolveSSLKeyPair 解析证书与私钥（各自支持 内容或路径），校验格式与匹配后
+// 返回可用的 tls.Certificate。任何一步失败都会给出明确错误。
+func ResolveSSLKeyPair(certContent, certPath, keyContent, keyPath string) (*tls.Certificate, error) {
+	certPEM, err := ResolveSSLMaterial(certContent, certPath, "证书")
+	if err != nil {
+		return nil, err
+	}
+	keyPEM, err := ResolveSSLMaterial(keyContent, keyPath, "私钥")
+	if err != nil {
+		return nil, err
+	}
+	cert, err := tls.X509KeyPair([]byte(certPEM), []byte(keyPEM))
+	if err != nil {
+		return nil, fmt.Errorf("SSL 证书/私钥无效：%v", err)
+	}
+	if !sslKeyMatchesCert(cert) {
+		return nil, errors.New("SSL 证书与私钥不匹配")
+	}
+	return &cert, nil
+}
+
+// PathFingerprint 返回文件路径的内容指纹（路径 + 大小 + 修改时间），用于检测
+// 文件是否被替换过；文件不存在时返回 ("", false)。
+func PathFingerprint(p string) (string, bool) {
+	p = strings.TrimSpace(p)
+	if p == "" {
+		return "", false
+	}
+	info, err := os.Stat(p)
+	if err != nil {
+		return "", false
+	}
+	return fmt.Sprintf("path:%s|size:%d|mtime:%d", filepath.Clean(p), info.Size(), info.ModTime().UnixNano()), true
+}
+
+// ValidateSSLCert 校验 s 是一个可解析的 PEM 编码 X.509 证书。
+func ValidateSSLCert(s string) error {
+	block, _ := pem.Decode([]byte(strings.TrimSpace(s)))
+	if block == nil {
+		return errors.New("SSL 证书格式无效：未找到 PEM 数据")
+	}
+	if block.Type != "CERTIFICATE" {
+		return fmt.Errorf("SSL 证书格式无效：期望 CERTIFICATE，实际为 %s", block.Type)
+	}
+	if _, err := x509.ParseCertificate(block.Bytes); err != nil {
+		return fmt.Errorf("SSL 证书解析失败：%v", err)
+	}
+	return nil
+}
+
+// ValidateSSLKey 校验 s 是一个可解析的 PEM 编码私钥。
+func ValidateSSLKey(s string) error {
+	block, _ := pem.Decode([]byte(strings.TrimSpace(s)))
+	if block == nil {
+		return errors.New("SSL 私钥格式无效：未找到 PEM 数据")
+	}
+	if _, err := parsePrivateKeyBlock(block); err != nil {
+		return fmt.Errorf("SSL 私钥解析失败：%v", err)
+	}
+	return nil
+}
+
+// ValidateSSLKeyPair 校验证书与私钥都存在、可解析且相互匹配。
+func ValidateSSLKeyPair(certPEM, keyPEM string) error {
+	cert, err := tls.X509KeyPair([]byte(strings.TrimSpace(certPEM)), []byte(strings.TrimSpace(keyPEM)))
+	if err != nil {
+		return fmt.Errorf("SSL 证书/私钥无效：%v", err)
+	}
+	if !sslKeyMatchesCert(cert) {
+		return errors.New("SSL 证书与私钥不匹配")
+	}
+	return nil
+}
+
+// sslKeyMatchesCert 通过公钥是否一致来判断私钥确实对应证书。
+func sslKeyMatchesCert(cert tls.Certificate) bool {
+	if len(cert.Certificate) == 0 || cert.PrivateKey == nil {
+		return false
+	}
+	leaf, err := x509.ParseCertificate(cert.Certificate[0])
+	if err != nil {
+		return false
+	}
+	privPub := publicKeyOf(cert.PrivateKey)
+	if privPub == nil {
+		return false
+	}
+	eq, ok := leaf.PublicKey.(interface {
+		Equal(x crypto.PublicKey) bool
+	})
+	return ok && eq.Equal(privPub)
+}
+
+// publicKeyOf 从各类私钥中提取对应的公钥。
+func publicKeyOf(priv crypto.PrivateKey) crypto.PublicKey {
+	switch k := priv.(type) {
+	case *rsa.PrivateKey:
+		return &k.PublicKey
+	case *ecdsa.PrivateKey:
+		return &k.PublicKey
+	case ed25519.PrivateKey:
+		return k.Public()
+	}
+	return nil
+}
+
+// parsePrivateKeyBlock 支持 PKCS#8 / PKCS#1 RSA / EC 三种常见私钥格式。
+func parsePrivateKeyBlock(block *pem.Block) (crypto.PrivateKey, error) {
+	if key, err := x509.ParsePKCS8PrivateKey(block.Bytes); err == nil {
+		return key, nil
+	}
+	if key, err := x509.ParsePKCS1PrivateKey(block.Bytes); err == nil {
+		return key, nil
+	}
+	if key, err := x509.ParseECPrivateKey(block.Bytes); err == nil {
+		return key, nil
+	}
+	return nil, errors.New("无法解析私钥（支持 PKCS#8 / PKCS#1 RSA / EC）")
+}

internal/service/https_test.go

@@ -0,0 +1,121 @@
+package service
+
+import (
+	"crypto/ecdsa"
+	"crypto/elliptic"
+	"crypto/rand"
+	"crypto/x509"
+	"crypto/x509/pkix"
+	"encoding/pem"
+	"math/big"
+	"os"
+	"path/filepath"
+	"strings"
+	"testing"
+	"time"
+)
+
+func makeTestKeyPair(t *testing.T) (certPEM, keyPEM string) {
+	t.Helper()
+	priv, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
+	if err != nil {
+		t.Fatal(err)
+	}
+	tpl := &x509.Certificate{
+		SerialNumber: big.NewInt(1),
+		Subject:      pkix.Name{CommonName: "localhost"},
+		NotBefore:    time.Now().Add(-time.Hour),
+		NotAfter:     time.Now().Add(24 * time.Hour),
+		DNSNames:     []string{"localhost"},
+	}
+	der, err := x509.CreateCertificate(rand.Reader, tpl, tpl, &priv.PublicKey, priv)
+	if err != nil {
+		t.Fatal(err)
+	}
+	keyDER, err := x509.MarshalECPrivateKey(priv)
+	if err != nil {
+		t.Fatal(err)
+	}
+	certPEM = strings.TrimSpace(string(pem.EncodeToMemory(&pem.Block{Type: "CERTIFICATE", Bytes: der})))
+	keyPEM = strings.TrimSpace(string(pem.EncodeToMemory(&pem.Block{Type: "EC PRIVATE KEY", Bytes: keyDER})))
+	return certPEM, keyPEM
+}
+
+func TestResolveSSLMaterial(t *testing.T) {
+	dir := t.TempDir()
+	certPEM, _ := makeTestKeyPair(t)
+	path := filepath.Join(dir, "cert.pem")
+	if err := os.WriteFile(path, []byte(certPEM), 0o600); err != nil {
+		t.Fatal(err)
+	}
+
+	cases := []struct {
+		name   string
+		content string
+		path   string
+		want   string
+		err    bool
+	}{
+		{name: "content only", content: certPEM, want: certPEM},
+		{name: "path only", path: path, want: certPEM},
+		{name: "path wins over content", content: "bogus", path: path, want: certPEM},
+		{name: "both empty", err: true},
+		{name: "missing file", path: filepath.Join(dir, "missing.pem"), err: true},
+		{name: "path is dir", path: dir, err: true},
+	}
+	for _, tc := range cases {
+		t.Run(tc.name, func(t *testing.T) {
+			got, err := ResolveSSLMaterial(tc.content, tc.path, "证书")
+			if tc.err {
+				if err == nil {
+					t.Fatalf("expected error, got %q", got)
+				}
+				return
+			}
+			if err != nil {
+				t.Fatalf("unexpected error: %v", err)
+			}
+			if got != tc.want {
+				t.Fatalf("got %q want %q", got, tc.want)
+			}
+		})
+	}
+}
+
+func TestResolveSSLKeyPair(t *testing.T) {
+	dir := t.TempDir()
+	certPEM, keyPEM := makeTestKeyPair(t)
+	certPath := filepath.Join(dir, "cert.pem")
+	keyPath := filepath.Join(dir, "key.pem")
+	if err := os.WriteFile(certPath, []byte(certPEM), 0o600); err != nil {
+		t.Fatal(err)
+	}
+	if err := os.WriteFile(keyPath, []byte(keyPEM), 0o600); err != nil {
+		t.Fatal(err)
+	}
+
+	if _, err := ResolveSSLKeyPair(certPEM, "", keyPEM, ""); err != nil {
+		t.Fatalf("content pair: %v", err)
+	}
+	if _, err := ResolveSSLKeyPair("", certPath, "", keyPath); err != nil {
+		t.Fatalf("path pair: %v", err)
+	}
+	if _, err := ResolveSSLKeyPair(certPEM, "", "", keyPath); err != nil {
+		t.Fatalf("mixed pair: %v", err)
+	}
+
+	otherCert, _ := makeTestKeyPair(t)
+	if _, err := ResolveSSLKeyPair(otherCert, "", keyPEM, ""); err == nil {
+		t.Fatal("expected mismatch error")
+	}
+
+	if got, ok := PathFingerprint(certPath); !ok || got == "" {
+		t.Fatalf("PathFingerprint failed: got=%q ok=%v", got, ok)
+	}
+	if _, ok := PathFingerprint(filepath.Join(dir, "missing.pem")); ok {
+		t.Fatal("PathFingerprint should report missing file")
+	}
+	if _, ok := PathFingerprint("   "); ok {
+		t.Fatal("empty PathFingerprint should not be ok")
+	}
+}

internal/service/runtime_settings.go

@@ -100,6 +100,16 @@ func ApplyRuntimeSetting(cfg *config.Config, key, value string) {
 		}
 	case "transcode.video_bitrate", "transcoder.video_bitrate":
 		cfg.Transcoder.VideoBitrate = value
+	case "https.enabled":
+		cfg.App.HTTPSEnabled = parseBoolSetting(value, false)
+	case "https.cert":
+		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)
 	}
 }
 

internal/service/service.go

@@ -64,6 +64,10 @@ type Container struct {
 
 	stopCtx    context.Context
 	stopCancel context.CancelFunc
+
+	// ReloadHTTPServer 由 cmd/server 注入。HTTPS 相关设置保存后，handler
+	// 会调用它把 HTTP/HTTPS 监听热切换到最新配置；nil 表示未注入（测试环境）。
+	ReloadHTTPServer func() error
 }
 
 // New 构建服务容器。

web/src/components/DanmakuStage.tsx

@@ -109,6 +109,14 @@ export function DanmakuStage({
     // 弹幕层不拦截播放器控制栏的点击。
     holder.style.pointerEvents = 'none'
 
+    // 监听 holder 尺寸变化（全屏/退出全屏/窗口缩放），实时重置弹道与容器边界
+    const ro = new ResizeObserver(() => {
+      if (!disposed && managerRef.current) {
+        managerRef.current.format()
+      }
+    })
+    ro.observe(holder)
+
     const applyLiveSettings = () => {
       const { opacity: liveOpacity, area: liveArea } = liveRef.current
       manager.setOpacity(liveOpacity)
@@ -215,6 +223,7 @@ export function DanmakuStage({
 
     return () => {
       disposed = true
+      ro.disconnect()
       cancelAnimationFrame(raf)
       video.removeEventListener('play', onPlay)
       video.removeEventListener('playing', onPlay)

web/src/components/Layout.tsx

@@ -50,6 +50,7 @@ export function Layout() {
 
   const showSidebar = !isMediaView(location.pathname, location.search)
   const hideSearch = location.pathname.startsWith('/settings')
+  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">
@@ -60,17 +61,19 @@ export function Layout() {
         showSidebar={showSidebar}
       />
       <div className="flex flex-1 flex-col min-w-0 overflow-hidden">
-        <LayoutHeader
+        {!isPlayPage && (
-          permissions={permissions}
+          <LayoutHeader
-          theme={theme}
+            permissions={permissions}
-          onOpenMobileDrawer={() => sidebar.setIsMobileDrawerOpen(true)}
+            theme={theme}
-          user={user}
+            onOpenMobileDrawer={() => sidebar.setIsMobileDrawerOpen(true)}
-          activeProfileId={activeProfileId}
+            user={user}
-          profile={profile}
+            activeProfileId={activeProfileId}
-          onLogout={closeProfileAndLogout}
+            profile={profile}
-          showSidebar={showSidebar}
+            onLogout={closeProfileAndLogout}
-          hideSearch={hideSearch}
+            showSidebar={showSidebar}
-        />
+            hideSearch={hideSearch}
+          />
+        )}
         <LayoutWorkspace routeKey={location.pathname} />
       </div>
     </div>

web/src/components/LayoutSections.tsx

@@ -117,6 +117,16 @@ export function LayoutSidebars({
 }
 
 export function LayoutWorkspace({ routeKey }: LayoutWorkspaceProps) {
+  if (routeKey.startsWith('/play')) {
+    return (
+      <main className="flex flex-1 h-full w-full overflow-hidden">
+        <RouteErrorBoundary>
+          <Outlet />
+        </RouteErrorBoundary>
+      </main>
+    )
+  }
+
   return (
     <main className="flex-1 overflow-y-auto px-4 py-6 md:px-8 md:py-10">
       <div className="max-w-7xl mx-auto">

web/src/components/PlayerControls.tsx

@@ -50,7 +50,10 @@ export function PlayerControls({
   onToggleDanmaku,
 }: PlayerControlsProps) {
   const video = () => videoRef.current
-  const container = () => videoRef.current?.parentElement ?? null
+  const container = () =>
+    videoRef.current?.closest<HTMLElement>('[data-player-stage]') ??
+    videoRef.current?.parentElement ??
+    null
 
   const [playing, setPlaying] = useState(false)
   const [currentTime, setCurrentTime] = useState(0)

web/src/index.css

@@ -328,19 +328,24 @@ body {
 }
 
 /* ── 播放器字幕（WebVTT <track>）──
-   去掉浏览器默认黑底，用文字阴影保证亮画面下的可读性；
+   彻底去除浏览器 User Agent 默认的半透明黑底背景框，使用文字阴影保证亮暗画面下的可读性。 */
-   font 简写携带 line-height 收紧两行字幕的行距（默认行距偏大）。 */
+::cue,
-video::cue {
+video::cue,
-  background-color: transparent;
+::cue(*),
-  color: #fff;
+video::cue(*) {
-  font:
+  background: transparent !important;
-    500 1.15em/1.35 "PingFang SC",
+  background-color: transparent !important;
+  color: #ffffff !important;
+  font-family:
+    "PingFang SC",
     "Microsoft YaHei",
     "Noto Sans CJK SC",
     "Source Han Sans SC",
-    sans-serif;
+    sans-serif !important;
+  font-weight: 500 !important;
+  line-height: 1.35 !important;
   text-shadow:
-    0 1px 3px rgba(0, 0, 0, 0.9),
+    0 1px 3px rgba(0, 0, 0, 0.95),
-    0 0 8px rgba(0, 0, 0, 0.55),
+    0 0 8px rgba(0, 0, 0, 0.8),
-    0 0 16px rgba(0, 0, 0, 0.35);
+    0 0 16px rgba(0, 0, 0, 0.6) !important;
 }

web/src/pages/PlayerPage.tsx

@@ -304,7 +304,7 @@ export function PlayerPage() {
   }, [directOnly, hlsUnavailable, mode, params, setParams])
 
   return (
-    <div className="relative -m-6 flex min-h-screen flex-col overflow-hidden bg-black md:-m-8">
+    <div className="relative flex h-full w-full flex-1 flex-col overflow-hidden bg-black">
       <PlayerTopBar
         directOnly={directOnly}
         mode={mode}

web/src/pages/PlayerVideoStage.tsx

@@ -1,4 +1,4 @@
-import { useEffect } from 'react'
+import { useEffect, useRef, useState } from 'react'
 import type { ReactNode, RefObject } from 'react'
 
 import { subtitlesAPI, type SubtitleTrack } from '../api/subtitles'
@@ -50,6 +50,45 @@ export function PlayerVideoStage({
   onDanmakuCandidates,
   danmakuPanel,
 }: PlayerVideoStageProps) {
+  const stageRef = useRef<HTMLDivElement>(null)
+  const [videoRatio, setVideoRatio] = useState<number | null>(null)
+  const [stageRect, setStageRect] = useState<{ width: number; height: number } | null>(null)
+
+  // 监听舞台容器的真实尺寸（响应窗口大小调整和全屏切换）
+  useEffect(() => {
+    const stage = stageRef.current
+    if (!stage) return
+    const ro = new ResizeObserver((entries) => {
+      const entry = entries[0]
+      if (entry) {
+        setStageRect({
+          width: entry.contentRect.width,
+          height: entry.contentRect.height,
+        })
+      }
+    })
+    ro.observe(stage)
+    return () => ro.disconnect()
+  }, [])
+
+  // 监听视频元数据加载，获取真实画面宽高比
+  useEffect(() => {
+    const video = videoRef.current
+    if (!video) return
+    const updateRatio = () => {
+      if (video.videoWidth && video.videoHeight) {
+        setVideoRatio(video.videoWidth / video.videoHeight)
+      }
+    }
+    updateRatio()
+    video.addEventListener('loadedmetadata', updateRatio)
+    video.addEventListener('resize', updateRatio)
+    return () => {
+      video.removeEventListener('loadedmetadata', updateRatio)
+      video.removeEventListener('resize', updateRatio)
+    }
+  }, [videoRef, media])
+
   // 点击视频切换播放/暂停；双击切换全屏（控制栏事件自行阻止冒泡）。
   const togglePlay = () => {
     const video = videoRef.current
@@ -58,7 +97,7 @@ export function PlayerVideoStage({
     else video.pause()
   }
   const toggleFullscreen = () => {
-    const stage = videoRef.current?.parentElement
+    const stage = stageRef.current
     if (!stage) return
     if (document.fullscreenElement) void document.exitFullscreen()
     else void stage.requestFullscreen?.()
@@ -112,43 +151,69 @@ export function PlayerVideoStage({
     }
   }, [subtitleIndex, subs, videoRef])
 
+  // 根据视频画面宽高比与舞台宽高比，确定视频在哪个轴向撑满 100%
+  const isWiderThanStage =
+    videoRatio && stageRect && stageRect.height > 0
+      ? videoRatio > stageRect.width / stageRect.height
+      : true
+
+  const wrapperStyle = videoRatio
+    ? {
+        aspectRatio: `${videoRatio}`,
+        width: isWiderThanStage ? '100%' : 'auto',
+        height: isWiderThanStage ? 'auto' : '100%',
+        maxWidth: '100%',
+        maxHeight: '100%',
+      }
+    : {
+        width: '100%',
+        height: '100%',
+      }
+
   return (
     <div
-      className="relative flex flex-1 items-center justify-center overflow-hidden bg-black"
+      ref={stageRef}
+      data-player-stage
+      className="relative flex h-full w-full flex-1 items-center justify-center overflow-hidden bg-black"
       onClick={togglePlay}
       onDoubleClick={toggleFullscreen}
     >
       {media ? (
         <>
-          <video
+          <div
-            ref={videoRef}
+            className="relative flex items-center justify-center overflow-hidden"
-            autoPlay
+            style={wrapperStyle}
-            playsInline
-            className="relative z-0 max-h-screen w-full max-w-[1600px] bg-black"
-            onError={onVideoError}
           >
-            {subs.map((track) => (
+            <video
-              <track
+              ref={videoRef}
-                key={track.path}
+              autoPlay
-                kind="subtitles"
+              playsInline
-                src={subtitlesAPI.url(media.id, track.path)}
+              className="h-full w-full object-contain bg-black"
-                srcLang={track.lang}
+              onError={onVideoError}
-                label={track.label || track.lang}
+            >
-              />
+              {subs.map((track) => (
-            ))}
+                <track
-          </video>
+                  key={track.path}
-          <DanmakuStage
+                  kind="subtitles"
-            media={media}
+                  src={subtitlesAPI.url(media.id, track.path)}
-            videoRef={videoRef}
+                  srcLang={track.lang}
-            enabled={danmakuEnabled}
+                  label={track.label || track.lang}
-            opacity={danmakuOpacity}
+                />
-            fontSize={danmakuFontSize}
+              ))}
-            area={danmakuArea}
+            </video>
-            search={danmakuSearch}
+            <DanmakuStage
-            episodeId={danmakuEpisodeId}
+              media={media}
-            onLoaded={onDanmakuLoaded}
+              videoRef={videoRef}
-            onCandidates={onDanmakuCandidates}
+              enabled={danmakuEnabled}
-          />
+              opacity={danmakuOpacity}
+              fontSize={danmakuFontSize}
+              area={danmakuArea}
+              search={danmakuSearch}
+              episodeId={danmakuEpisodeId}
+              onLoaded={onDanmakuLoaded}
+              onCandidates={onDanmakuCandidates}
+            />
+          </div>
           <PlayerControls
             videoRef={videoRef}
             subs={subs}

web/src/pages/SettingsPage.tsx

@@ -63,18 +63,65 @@ export function SettingsPage() {
   const onSave = async (e: FormEvent) => {
     e.preventDefault()
     if (dirty.size === 0) return
+
+    const wantHTTPS = values['https.enabled'] === 'true' || values['https.enabled'] === '1'
+    // 证书/私钥任一来源可用即可：路径优先，其次粘贴的内容。
+    const materialOK = (content?: string, path?: string) =>
+      Boolean((path ?? '').trim() || (content ?? '').trim())
+    if (wantHTTPS && !(materialOK(values['https.cert'], values['https.cert_path']) &&
+                       materialOK(values['https.key'], values['https.key_path']))) {
+      toast.error('启用 HTTPS 前请先填写 SSL 证书和私钥（内容或路径任选其一）')
+      return
+    }
+
     setSaving(true)
     try {
-      // Backend exposes a single-key updater; loop through dirty keys.
+      // 证书/私钥（内容与路径）先保存、启用开关最后保存，后端校验开关时才能读到最新的配置。
-      for (const key of dirty) {
+      const rank = (k: string) =>
-        await adminAPI.updateSetting(key, values[key] ?? '')
+        k === 'https.cert' ||
+        k === 'https.key' ||
+        k === 'https.cert_path' ||
+        k === 'https.key_path'
+          ? 0
+          : k === 'https.enabled'
+            ? 2
+            : 1
+      const orderedKeys = [...dirty].sort((a, b) => rank(a) - rank(b))
+
+      const failures: string[] = []
+      for (const key of orderedKeys) {
+        try {
+          await adminAPI.updateSetting(key, values[key] ?? '')
+        } catch (err) {
+          failures.push(
+            (err as { response?: { data?: { error?: string } } })?.response?.data?.error ??
+              `保存 ${key} 失败`,
+          )
+        }
       }
+      if (failures.length > 0) {
+        toast.error(failures[0])
+        return
+      }
+
       toast.success(`已保存 ${dirty.size} 项配置`)
       setDirty(new Set())
-    } catch (err: unknown) {
+
-      const msg =
+      // 切换 HTTPS 后（或关闭 HTTPS 后）连接会短暂中断，自动跳转到对应协议地址。
-        (err as { response?: { data?: { error?: string } } })?.response?.data?.error ?? '保存失败'
+      const currentIsHTTPS = window.location.protocol === 'https:'
-      toast.error(msg)
+      const targetProto = wantHTTPS ? 'https:' : 'http:'
+      if (wantHTTPS !== currentIsHTTPS) {
+        toast(wantHTTPS ? '正在切换到 HTTPS 访问…' : '正在切换回 HTTP 访问…')
+        window.setTimeout(() => {
+          const url =
+            targetProto +
+            '//' +
+            window.location.host +
+            window.location.pathname +
+            window.location.search
+          window.location.replace(url)
+        }, 800)
+      }
     } finally {
       setSaving(false)
     }

web/src/pages/settingsGroupGeneral.ts

@@ -97,5 +97,40 @@ 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: 'https.enabled',
+      label: '启用 HTTPS',
+      type: 'toggle',
+      hint: '开启后服务将仅通过 HTTPS 访问，保存后会自动切换到 https 地址，原 http 地址不再提供服务。必须先在下文配置好 SSL 证书与私钥（内容或路径任选其一，两者需匹配）才能启用；首次切换因浏览器以 origin（协议+域名+端口）隔离登录态，需要重新登录一次。',
+      defaultValue: 'false',
+    },
+    {
+      key: 'https.cert',
+      label: 'SSL 证书 (PEM)',
+      type: 'textarea',
+      hint: '将证书内容（-----BEGIN CERTIFICATE----- 至 -----END CERTIFICATE-----）整体粘贴到此处；也可留空，改在下方填写证书路径。',
+      placeholder: '-----BEGIN CERTIFICATE-----\n...\n-----END CERTIFICATE-----',
+    },
+    {
+      key: 'https.key',
+      label: 'SSL 私钥 (PEM)',
+      type: 'textarea',
+      hint: '将私钥内容粘贴到此处（支持 PKCS#8 / RSA / EC 格式）；也可留空，改在下方填写私钥路径。私钥必须与证书匹配。',
+      placeholder: '-----BEGIN PRIVATE KEY-----\n...\n-----END PRIVATE KEY-----',
+    },
+    {
+      key: 'https.cert_path',
+      label: 'SSL 证书路径',
+      type: 'text',
+      hint: '可选。填写证书文件的绝对路径则优先从文件读取（无需粘贴内容）；留空则使用上方粘贴的证书内容。文件被替换后无需改设置，最长 30 秒内自动热加载新证书。',
+      placeholder: '/etc/ssl/mmtl-cert.pem',
+    },
+    {
+      key: 'https.key_path',
+      label: 'SSL 私钥路径',
+      type: 'text',
+      hint: '可选。填写私钥文件的绝对路径则优先从文件读取；留空则使用上方粘贴的私钥内容。',
+      placeholder: '/etc/ssl/mmtl-key.pem',
+    },
   ],
 }