feat: add panel self-upgrade workflow (#492)

docker-compose-v4.yml

@@ -15,10 +15,15 @@ services:
       JWT_SECRET: ${JWT_SECRET}
       SERVER_ADDR: :6365
       TZ: Asia/Shanghai
+      FLUX_VERSION: ${FLUX_VERSION:-dev}
+      PANEL_DEPLOY_DIR: /opt/flvx-panel
+      PANEL_BACKEND_CONTAINER: flux-panel-backend
     ports:
       - "${BACKEND_PORT}:6365"
     volumes:
       - sqlite_data:/app/data
+      - /var/run/docker.sock:/var/run/docker.sock
+      - ./:/opt/flvx-panel
     networks:
       - gost-network
     stop_grace_period: 30s

docker-compose-v6.yml

@@ -15,10 +15,15 @@ services:
       JWT_SECRET: ${JWT_SECRET}
       SERVER_ADDR: :6365
       TZ: Asia/Shanghai
+      FLUX_VERSION: ${FLUX_VERSION:-dev}
+      PANEL_DEPLOY_DIR: /opt/flvx-panel
+      PANEL_BACKEND_CONTAINER: flux-panel-backend
     ports:
       - "${BACKEND_PORT}:6365"
     volumes:
       - sqlite_data:/app/data
+      - /var/run/docker.sock:/var/run/docker.sock
+      - ./:/opt/flvx-panel
     networks:
       - gost-network
     stop_grace_period: 30s

go-backend/Dockerfile

@@ -9,10 +9,14 @@ ARG TARGETOS
 ARG TARGETARCH
 RUN CGO_ENABLED=0 GOOS=${TARGETOS:-linux} env ${TARGETARCH:+GOARCH=${TARGETARCH}} go build -o /out/paneld ./cmd/paneld
 
+FROM docker:27-cli AS dockercli
+
 FROM debian:bookworm-slim
 WORKDIR /app
 RUN apt-get update && apt-get install -y --no-install-recommends ca-certificates wget && rm -rf /var/lib/apt/lists/*
 COPY --from=builder /out/paneld /app/paneld
+COPY --from=dockercli /usr/local/bin/docker /usr/local/bin/docker
+COPY --from=dockercli /usr/local/libexec/docker/cli-plugins/docker-compose /usr/local/libexec/docker/cli-plugins/docker-compose
 
 ENV SERVER_ADDR=:6365
 EXPOSE 6365

go-backend/internal/http/handler/handler.go

@@ -46,6 +46,7 @@ type Handler struct {
 	jobsWG      sync.WaitGroup
 
 	upgradeMu                sync.Mutex
+	systemUpgradeMu          sync.Mutex
 	pendingUpgradeRedeploy   map[int64]struct{}
 	nodeOnlineRedeployAt     map[int64]time.Time
 	nodeOnlineRedeployQueued map[int64]struct{}
@@ -156,6 +157,9 @@ func (h *Handler) Register(mux *http.ServeMux) {
 	mux.HandleFunc("/api/v1/config/update", h.updateConfigs)
 	mux.HandleFunc("/api/v1/config/update-single", h.updateSingleConfig)
 	mux.HandleFunc("/api/v1/system/storage", h.storageSummary)
+	mux.HandleFunc("/api/v1/system/version", h.systemVersion)
+	mux.HandleFunc("/api/v1/system/check-updates", h.systemCheckUpdates)
+	mux.HandleFunc("/api/v1/system/upgrade", h.systemUpgrade)
 	mux.HandleFunc("/api/v1/license/activate", h.licenseActivate)
 	mux.HandleFunc("/api/v1/backup/export", h.backupExport)
 	mux.HandleFunc("/api/v1/backup/import", h.backupImport)

go-backend/internal/http/handler/system_upgrade.go

@@ -0,0 +1,564 @@
+package handler
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+	"os"
+	"os/exec"
+	"path/filepath"
+	"regexp"
+	"strings"
+	"time"
+
+	"go-backend/internal/http/response"
+)
+
+const (
+	panelDeployDirEnv                 = "PANEL_DEPLOY_DIR"
+	panelBackendContainerEnv          = "PANEL_BACKEND_CONTAINER"
+	defaultPanelDeployDir             = "/opt/flvx-panel"
+	defaultPanelBackendName           = "flux-panel-backend"
+	dockerSocketPath                  = "/var/run/docker.sock"
+	maxSystemUpgradeComposeAssetBytes = 1 << 20
+	systemUpgradeMessage              = "升级 helper 已启动，面板服务将短暂重启"
+	systemUpgradeConflictError        = "已有面板升级任务执行中"
+)
+
+var safeBackendContainerPattern = regexp.MustCompile(`^[A-Za-z0-9_.-]+$`)
+var enableIPv6ComposePattern = regexp.MustCompile(`(?im)^\s*enable_ipv6\s*:\s*['"]?true['"]?\s*(?:#.*)?$`)
+var systemUpgradeReleaseBaseURL = githubHTMLBase
+
+type systemUpgradeExecutor struct {
+	deployDir        string
+	backendContainer string
+}
+
+type systemUpgradeCapabilityData struct {
+	Capable          bool     `json:"capable"`
+	Reasons          []string `json:"reasons"`
+	DeployDir        string   `json:"deployDir"`
+	BackendContainer string   `json:"backendContainer"`
+}
+
+type systemUpgradeReleaseData struct {
+	Version     string `json:"version"`
+	Name        string `json:"name"`
+	PublishedAt string `json:"publishedAt"`
+	Prerelease  bool   `json:"prerelease"`
+	Channel     string `json:"channel"`
+}
+
+type systemUpgradeVersionData struct {
+	CurrentVersion string                      `json:"currentVersion"`
+	LatestVersion  string                      `json:"latestVersion"`
+	HasUpdate      bool                        `json:"hasUpdate"`
+	Channel        string                      `json:"channel"`
+	Reason         string                      `json:"reason,omitempty"`
+	Capability     systemUpgradeCapabilityData `json:"capability"`
+}
+
+type systemUpgradeCheckData struct {
+	CurrentVersion string                      `json:"currentVersion"`
+	LatestVersion  string                      `json:"latestVersion"`
+	HasUpdate      bool                        `json:"hasUpdate"`
+	Channel        string                      `json:"channel"`
+	Capability     systemUpgradeCapabilityData `json:"capability"`
+	Releases       []systemUpgradeReleaseData  `json:"releases"`
+}
+
+type systemUpgradeRunData struct {
+	Version         string `json:"version"`
+	Channel         string `json:"channel"`
+	ComposeAsset    string `json:"composeAsset"`
+	HelperContainer string `json:"helperContainer"`
+	BackendImageID  string `json:"backendImageId"`
+	Message         string `json:"message"`
+}
+
+type systemUpgradeRequest struct {
+	Version string `json:"version"`
+	Channel string `json:"channel"`
+}
+
+func newSystemUpgradeExecutor() *systemUpgradeExecutor {
+	deployDir := strings.TrimSpace(os.Getenv(panelDeployDirEnv))
+	if deployDir == "" {
+		deployDir = defaultPanelDeployDir
+	}
+	backendContainer := strings.TrimSpace(os.Getenv(panelBackendContainerEnv))
+	if backendContainer == "" {
+		backendContainer = defaultPanelBackendName
+	}
+	return &systemUpgradeExecutor{deployDir: deployDir, backendContainer: backendContainer}
+}
+
+func currentPanelVersion() string {
+	version := strings.TrimSpace(os.Getenv("FLUX_VERSION"))
+	if version == "" {
+		return "dev"
+	}
+	return version
+}
+
+func validateBackendContainerName(value string) error {
+	if value == "" {
+		return fmt.Errorf("backend container name is empty")
+	}
+	if !safeBackendContainerPattern.MatchString(value) {
+		return fmt.Errorf("unsafe backend container name: %s", value)
+	}
+	return nil
+}
+
+func validateUpgradeVersion(value string) error {
+	if strings.TrimSpace(value) == "" {
+		return fmt.Errorf("upgrade version is empty")
+	}
+	for _, r := range value {
+		if r < 0x20 || r == 0x7f {
+			return fmt.Errorf("unsafe upgrade version: contains control character")
+		}
+	}
+	return nil
+}
+
+func (e *systemUpgradeExecutor) composePath() string {
+	return filepath.Join(e.deployDir, "docker-compose.yml")
+}
+func (e *systemUpgradeExecutor) envPath() string { return filepath.Join(e.deployDir, ".env") }
+
+func (e *systemUpgradeExecutor) capability(ctx context.Context) systemUpgradeCapabilityData {
+	reasons := make([]string, 0)
+	if !filepath.IsAbs(e.deployDir) {
+		reasons = append(reasons, "部署目录必须是绝对路径")
+	}
+	if err := validateBackendContainerName(e.backendContainer); err != nil {
+		reasons = append(reasons, err.Error())
+	}
+	if out, err := exec.CommandContext(ctx, "docker", "--version").CombinedOutput(); err != nil {
+		reasons = append(reasons, fmt.Sprintf("docker CLI不可用: %v: %s", err, strings.TrimSpace(string(out))))
+	}
+	if info, err := os.Stat(dockerSocketPath); err != nil {
+		reasons = append(reasons, "docker socket不可用: "+err.Error())
+	} else if info.IsDir() {
+		reasons = append(reasons, "docker socket路径不是文件")
+	}
+	if info, err := os.Stat(e.composePath()); err != nil {
+		reasons = append(reasons, "部署docker-compose.yml不可用: "+err.Error())
+	} else if info.IsDir() {
+		reasons = append(reasons, "部署docker-compose.yml不是文件")
+	}
+	if info, err := os.Stat(e.envPath()); err != nil {
+		reasons = append(reasons, "部署.env不可用: "+err.Error())
+	} else if info.IsDir() {
+		reasons = append(reasons, "部署.env不是文件")
+	}
+	if out, err := exec.CommandContext(ctx, "docker", "compose", "version").CombinedOutput(); err != nil {
+		reasons = append(reasons, fmt.Sprintf("docker compose不可用: %v: %s", err, strings.TrimSpace(string(out))))
+	}
+	if _, err := e.currentBackendImage(ctx); err != nil {
+		reasons = append(reasons, err.Error())
+	}
+
+	return systemUpgradeCapabilityData{
+		Capable:          len(reasons) == 0,
+		Reasons:          reasons,
+		DeployDir:        e.deployDir,
+		BackendContainer: e.backendContainer,
+	}
+}
+
+func (e *systemUpgradeExecutor) selectComposeAsset(current []byte) string {
+	if enableIPv6ComposePattern.Match(current) {
+		return "docker-compose-v6.yml"
+	}
+	return "docker-compose-v4.yml"
+}
+
+func (e *systemUpgradeExecutor) helperScript() string {
+	return strings.Join([]string{
+		"set -eu",
+		`cd "$PANEL_DEPLOY_DIR"`,
+		"docker compose pull backend frontend",
+		"sleep 5",
+		"docker compose up -d backend frontend",
+	}, "\n")
+}
+
+func (e *systemUpgradeExecutor) buildHelperRunArgs(imageID, helperName string) ([]string, error) {
+	if err := validateBackendContainerName(e.backendContainer); err != nil {
+		return nil, err
+	}
+	return []string{
+		"run", "-d", "--rm", "--name", helperName,
+		"--volumes-from", e.backendContainer,
+		"-v", dockerSocketPath + ":" + dockerSocketPath,
+		"-e", panelDeployDirEnv + "=" + e.deployDir,
+		"--entrypoint", "/bin/sh", imageID,
+		"-c", e.helperScript(),
+	}, nil
+}
+
+func (e *systemUpgradeExecutor) updateEnvVersion(envPath, version string) error {
+	if err := validateUpgradeVersion(version); err != nil {
+		return err
+	}
+	mode, err := fileModeOrDefault(envPath, 0o600)
+	if err != nil {
+		return err
+	}
+	data, err := os.ReadFile(envPath)
+	if err != nil {
+		return err
+	}
+	lines := strings.Split(string(data), "\n")
+	replaced := false
+	for i, line := range lines {
+		if strings.HasPrefix(line, "FLUX_VERSION=") {
+			lines[i] = "FLUX_VERSION=" + version
+			replaced = true
+		}
+	}
+	if !replaced {
+		trimmed := strings.TrimRight(strings.Join(lines, "\n"), "\n")
+		if trimmed == "" {
+			trimmed = "FLUX_VERSION=" + version
+		} else {
+			trimmed += "\nFLUX_VERSION=" + version
+		}
+		return writeFileWithMode(envPath, []byte(trimmed+"\n"), mode)
+	}
+	content := strings.TrimRight(strings.Join(lines, "\n"), "\n") + "\n"
+	return writeFileWithMode(envPath, []byte(content), mode)
+}
+
+func (e *systemUpgradeExecutor) backupFile(path string) (string, error) {
+	mode, err := fileModeOrDefault(path, 0o600)
+	if err != nil {
+		return "", err
+	}
+	data, err := os.ReadFile(path)
+	if err != nil {
+		return "", err
+	}
+	backupPath := path + ".upgrade.bak"
+	if err := writeFileWithMode(backupPath, data, mode); err != nil {
+		return "", err
+	}
+	return backupPath, nil
+}
+
+func (e *systemUpgradeExecutor) restoreBackup(path string) error {
+	backupPath := path + ".upgrade.bak"
+	mode, err := fileModeOrDefault(backupPath, 0o600)
+	if err != nil {
+		return err
+	}
+	data, err := os.ReadFile(backupPath)
+	if err != nil {
+		return err
+	}
+	return writeFileWithMode(path, data, mode)
+}
+
+func (e *systemUpgradeExecutor) restoreUpgradeBackups(paths ...string) error {
+	var errs []string
+	for _, path := range paths {
+		if err := e.restoreBackup(path); err != nil {
+			errs = append(errs, fmt.Sprintf("%s: %v", path, err))
+		}
+	}
+	if len(errs) > 0 {
+		return fmt.Errorf("%s", strings.Join(errs, "; "))
+	}
+	return nil
+}
+
+func (e *systemUpgradeExecutor) replaceCompose(path string, data []byte) error {
+	if len(bytes.TrimSpace(data)) == 0 {
+		return fmt.Errorf("compose asset is empty")
+	}
+	mode, err := fileModeOrDefault(path, 0o644)
+	if err != nil {
+		return err
+	}
+	return writeFileWithMode(path, data, mode)
+}
+
+func fileModeOrDefault(path string, fallback os.FileMode) (os.FileMode, error) {
+	info, err := os.Stat(path)
+	if err != nil {
+		if os.IsNotExist(err) {
+			return fallback, nil
+		}
+		return 0, err
+	}
+	return info.Mode().Perm(), nil
+}
+
+func writeFileWithMode(path string, data []byte, mode os.FileMode) error {
+	if err := os.WriteFile(path, data, mode); err != nil {
+		return err
+	}
+	return os.Chmod(path, mode)
+}
+
+func (e *systemUpgradeExecutor) currentBackendImage(ctx context.Context) (string, error) {
+	if err := validateBackendContainerName(e.backendContainer); err != nil {
+		return "", err
+	}
+	out, err := exec.CommandContext(ctx, "docker", "inspect", "-f", "{{.Image}}", e.backendContainer).CombinedOutput()
+	if err != nil {
+		return "", fmt.Errorf("inspect backend image failed: %v: %s", err, strings.TrimSpace(string(out)))
+	}
+	imageID := strings.TrimSpace(string(out))
+	if imageID == "" {
+		return "", fmt.Errorf("backend image id is empty")
+	}
+	return imageID, nil
+}
+
+func (e *systemUpgradeExecutor) startHelper(ctx context.Context, imageID, helperName string) (string, error) {
+	args, err := e.buildHelperRunArgs(imageID, helperName)
+	if err != nil {
+		return "", err
+	}
+	out, err := exec.CommandContext(ctx, "docker", args...).CombinedOutput()
+	if err != nil {
+		return "", fmt.Errorf("start helper failed: %v: %s", err, strings.TrimSpace(string(out)))
+	}
+	containerID := strings.TrimSpace(string(out))
+	if containerID == "" {
+		containerID = helperName
+	}
+	return containerID, nil
+}
+
+func (h *Handler) downloadReleaseAsset(version, filename string) ([]byte, error) {
+	url := fmt.Sprintf("%s/%s/releases/download/%s/%s", strings.TrimRight(systemUpgradeReleaseBaseURL, "/"), githubRepo, version, filename)
+	client := &http.Client{Timeout: 60 * time.Second}
+	resp, err := client.Get(url)
+	if err != nil {
+		return nil, fmt.Errorf("下载%s失败: %v", filename, err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		body, _ := io.ReadAll(io.LimitReader(resp.Body, 1024))
+		return nil, fmt.Errorf("下载%s返回 %d: %s", filename, resp.StatusCode, strings.TrimSpace(string(body)))
+	}
+	body, err := io.ReadAll(io.LimitReader(resp.Body, maxSystemUpgradeComposeAssetBytes+1))
+	if err != nil {
+		return nil, fmt.Errorf("读取%s失败: %v", filename, err)
+	}
+	if len(body) > maxSystemUpgradeComposeAssetBytes {
+		return nil, fmt.Errorf("下载%s过大", filename)
+	}
+	if len(bytes.TrimSpace(body)) == 0 {
+		return nil, fmt.Errorf("下载%s内容为空", filename)
+	}
+	return body, nil
+}
+
+func releasesForChannel(releases []githubRelease, channel string) []systemUpgradeReleaseData {
+	channel = normalizeReleaseChannel(channel)
+	items := make([]systemUpgradeReleaseData, 0, len(releases))
+	for _, r := range releases {
+		if r.Draft {
+			continue
+		}
+		tag := strings.TrimSpace(r.TagName)
+		if tag == "" {
+			continue
+		}
+		itemChannel := releaseChannelFromTag(tag)
+		if itemChannel != channel {
+			continue
+		}
+		items = append(items, systemUpgradeReleaseData{
+			Version:     tag,
+			Name:        r.Name,
+			PublishedAt: r.PublishedAt,
+			Prerelease:  itemChannel == releaseChannelDev,
+			Channel:     itemChannel,
+		})
+	}
+	return items
+}
+
+func decodeSystemUpgradeRequest(r *http.Request, req *systemUpgradeRequest) error {
+	defer r.Body.Close()
+	body, err := io.ReadAll(r.Body)
+	if err != nil {
+		return err
+	}
+	if len(bytes.TrimSpace(body)) == 0 {
+		return nil
+	}
+	decoder := json.NewDecoder(bytes.NewReader(body))
+	decoder.DisallowUnknownFields()
+	return decoder.Decode(req)
+}
+
+func systemUpgradeVersionResponse(current, channel, latest string, lookupErr error, capability systemUpgradeCapabilityData) systemUpgradeVersionData {
+	data := systemUpgradeVersionData{
+		CurrentVersion: current,
+		LatestVersion:  latest,
+		HasUpdate:      latest != "" && latest != current,
+		Channel:        channel,
+		Capability:     capability,
+	}
+	if lookupErr != nil {
+		data.LatestVersion = ""
+		data.HasUpdate = false
+		data.Reason = lookupErr.Error()
+	}
+	return data
+}
+
+func (h *Handler) systemVersion(w http.ResponseWriter, r *http.Request) {
+	if r.Method != http.MethodPost {
+		response.WriteJSON(w, response.ErrDefault("请求失败"))
+		return
+	}
+
+	channel := releaseChannelStable
+	current := currentPanelVersion()
+	exec := newSystemUpgradeExecutor()
+	capability := exec.capability(r.Context())
+	latest, err := resolveLatestReleaseByChannel(channel)
+	response.WriteJSON(w, response.OK(systemUpgradeVersionResponse(current, channel, latest, err, capability)))
+}
+
+func (h *Handler) systemCheckUpdates(w http.ResponseWriter, r *http.Request) {
+	if r.Method != http.MethodPost {
+		response.WriteJSON(w, response.ErrDefault("请求失败"))
+		return
+	}
+
+	var req systemUpgradeRequest
+	if err := decodeSystemUpgradeRequest(r, &req); err != nil {
+		response.WriteJSON(w, response.ErrDefault("请求参数错误"))
+		return
+	}
+	channel := normalizeReleaseChannel(req.Channel)
+	current := currentPanelVersion()
+	exec := newSystemUpgradeExecutor()
+	capability := exec.capability(r.Context())
+
+	githubReleases, err := fetchGitHubReleases(50)
+	if err != nil {
+		response.WriteJSON(w, response.Err(-2, fmt.Sprintf("获取版本列表失败: %v", err)))
+		return
+	}
+	releases := releasesForChannel(githubReleases, channel)
+	latest := ""
+	if len(releases) > 0 {
+		latest = releases[0].Version
+	}
+	response.WriteJSON(w, response.OK(systemUpgradeCheckData{
+		CurrentVersion: current,
+		LatestVersion:  latest,
+		HasUpdate:      latest != "" && latest != current,
+		Channel:        channel,
+		Capability:     capability,
+		Releases:       releases,
+	}))
+}
+
+func (h *Handler) systemUpgrade(w http.ResponseWriter, r *http.Request) {
+	if r.Method != http.MethodPost {
+		response.WriteJSON(w, response.ErrDefault("请求失败"))
+		return
+	}
+	if !h.systemUpgradeMu.TryLock() {
+		response.WriteJSON(w, response.ErrDefault(systemUpgradeConflictError))
+		return
+	}
+	defer h.systemUpgradeMu.Unlock()
+
+	var req systemUpgradeRequest
+	if err := decodeSystemUpgradeRequest(r, &req); err != nil {
+		response.WriteJSON(w, response.ErrDefault("请求参数错误"))
+		return
+	}
+	channel := normalizeReleaseChannel(req.Channel)
+	version := strings.TrimSpace(req.Version)
+	if version == "" {
+		var err error
+		version, err = resolveLatestReleaseByChannel(channel)
+		if err != nil {
+			response.WriteJSON(w, response.Err(-2, fmt.Sprintf("获取最新%s失败: %v", releaseChannelLabel(channel), err)))
+			return
+		}
+	}
+
+	exec := newSystemUpgradeExecutor()
+	capability := exec.capability(r.Context())
+	if !capability.Capable {
+		response.WriteJSON(w, response.ErrDefault("当前环境不支持面板自升级: "+strings.Join(capability.Reasons, "; ")))
+		return
+	}
+	imageID, err := exec.currentBackendImage(r.Context())
+	if err != nil {
+		response.WriteJSON(w, response.Err(-2, err.Error()))
+		return
+	}
+
+	composePath := exec.composePath()
+	envPath := exec.envPath()
+	composeData, err := os.ReadFile(composePath)
+	if err != nil {
+		response.WriteJSON(w, response.Err(-2, "读取compose失败: "+err.Error()))
+		return
+	}
+	composeAsset := exec.selectComposeAsset(composeData)
+	newCompose, err := h.downloadReleaseAsset(version, composeAsset)
+	if err != nil {
+		response.WriteJSON(w, response.Err(-2, err.Error()))
+		return
+	}
+	if _, err := exec.backupFile(composePath); err != nil {
+		response.WriteJSON(w, response.Err(-2, "备份compose失败: "+err.Error()))
+		return
+	}
+	if _, err := exec.backupFile(envPath); err != nil {
+		response.WriteJSON(w, response.Err(-2, "备份.env失败: "+err.Error()))
+		return
+	}
+	if err := exec.replaceCompose(composePath, newCompose); err != nil {
+		if restoreErr := exec.restoreUpgradeBackups(composePath, envPath); restoreErr != nil {
+			err = fmt.Errorf("%v; 回滚失败: %v", err, restoreErr)
+		}
+		response.WriteJSON(w, response.Err(-2, "替换compose失败: "+err.Error()))
+		return
+	}
+	if err := exec.updateEnvVersion(envPath, version); err != nil {
+		if restoreErr := exec.restoreUpgradeBackups(composePath, envPath); restoreErr != nil {
+			err = fmt.Errorf("%v; 回滚失败: %v", err, restoreErr)
+		}
+		response.WriteJSON(w, response.Err(-2, "更新版本配置失败: "+err.Error()))
+		return
+	}
+	helperName := fmt.Sprintf("flvx-upgrade-helper-%d", time.Now().Unix())
+	helperContainer, err := exec.startHelper(r.Context(), imageID, helperName)
+	if err != nil {
+		if restoreErr := exec.restoreUpgradeBackups(composePath, envPath); restoreErr != nil {
+			err = fmt.Errorf("%v; 回滚失败: %v", err, restoreErr)
+		}
+		response.WriteJSON(w, response.Err(-2, err.Error()))
+		return
+	}
+
+	response.WriteJSON(w, response.OK(systemUpgradeRunData{
+		Version:         version,
+		Channel:         channel,
+		ComposeAsset:    composeAsset,
+		HelperContainer: helperContainer,
+		BackendImageID:  imageID,
+		Message:         systemUpgradeMessage,
+	}))
+}

go-backend/internal/http/handler/system_upgrade_test.go

@@ -0,0 +1,398 @@
+package handler
+
+import (
+	"bytes"
+	"encoding/json"
+	"net/http"
+	"net/http/httptest"
+	"os"
+	"path/filepath"
+	"reflect"
+	"strings"
+	"testing"
+)
+
+func TestSelectComposeAssetUsesIPv6Template(t *testing.T) {
+	exec := &systemUpgradeExecutor{deployDir: "/opt/flvx-panel", backendContainer: "flux-panel-backend"}
+	compose := []byte("networks:\n  gost-network:\n    enable_ipv6: true\n")
+
+	if got := exec.selectComposeAsset(compose); got != "docker-compose-v6.yml" {
+		t.Fatalf("selectComposeAsset() = %q, want %q", got, "docker-compose-v6.yml")
+	}
+}
+
+func TestDownloadReleaseAssetUsesDirectReleaseURL(t *testing.T) {
+	var gotPath string
+	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		gotPath = r.URL.Path
+		_, _ = w.Write([]byte("services:\n  backend:\n    image: test\n"))
+	}))
+	defer server.Close()
+
+	originalBase := systemUpgradeReleaseBaseURL
+	systemUpgradeReleaseBaseURL = server.URL
+	t.Cleanup(func() { systemUpgradeReleaseBaseURL = originalBase })
+
+	h := &Handler{}
+	data, err := h.downloadReleaseAsset("2.1.9", "docker-compose-v4.yml")
+	if err != nil {
+		t.Fatalf("downloadReleaseAsset() error = %v", err)
+	}
+	if !strings.Contains(string(data), "backend") {
+		t.Fatalf("downloadReleaseAsset() data = %q, want compose data", string(data))
+	}
+
+	wantPath := "/" + githubRepo + "/releases/download/2.1.9/docker-compose-v4.yml"
+	if gotPath != wantPath {
+		t.Fatalf("download path = %q, want %q", gotPath, wantPath)
+	}
+}
+
+func TestDownloadReleaseAssetRejectsOversizedBody(t *testing.T) {
+	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		_, _ = w.Write(bytes.Repeat([]byte("a"), maxSystemUpgradeComposeAssetBytes+1))
+	}))
+	defer server.Close()
+
+	originalBase := systemUpgradeReleaseBaseURL
+	systemUpgradeReleaseBaseURL = server.URL
+	t.Cleanup(func() { systemUpgradeReleaseBaseURL = originalBase })
+
+	h := &Handler{}
+	_, err := h.downloadReleaseAsset("2.1.9", "docker-compose-v4.yml")
+	if err == nil || !strings.Contains(err.Error(), "过大") {
+		t.Fatalf("downloadReleaseAsset() error = %v, want oversized error", err)
+	}
+}
+
+func TestSelectComposeAssetUsesIPv6TemplateForYAMLVariants(t *testing.T) {
+	exec := &systemUpgradeExecutor{deployDir: "/opt/flvx-panel", backendContainer: "flux-panel-backend"}
+	for _, compose := range [][]byte{
+		[]byte("networks:\n  gost-network:\n    enable_ipv6:true\n"),
+		[]byte("networks:\n  gost-network:\n    enable_ipv6: True\n"),
+		[]byte("networks:\n  gost-network:\n    enable_ipv6: \"true\"\n"),
+		[]byte("networks:\n  gost-network:\n    enable_ipv6: 'true'\n"),
+		[]byte("networks:\n  gost-network:\n    enable_ipv6: true # comment\n"),
+	} {
+		if got := exec.selectComposeAsset(compose); got != "docker-compose-v6.yml" {
+			t.Fatalf("selectComposeAsset(%q) = %q, want %q", string(compose), got, "docker-compose-v6.yml")
+		}
+	}
+}
+
+func TestSelectComposeAssetFallsBackToIPv4Template(t *testing.T) {
+	exec := &systemUpgradeExecutor{deployDir: "/opt/flvx-panel", backendContainer: "flux-panel-backend"}
+	compose := []byte("services:\n  backend:\n    image: test\n")
+
+	if got := exec.selectComposeAsset(compose); got != "docker-compose-v4.yml" {
+		t.Fatalf("selectComposeAsset() = %q, want %q", got, "docker-compose-v4.yml")
+	}
+}
+
+func TestUpdateEnvVersionReplacesExistingValue(t *testing.T) {
+	dir := t.TempDir()
+	envPath := filepath.Join(dir, ".env")
+	if err := os.WriteFile(envPath, []byte("FLUX_VERSION=2.1.8\nJWT_SECRET=test\n"), 0o644); err != nil {
+		t.Fatalf("WriteFile() error = %v", err)
+	}
+
+	exec := &systemUpgradeExecutor{deployDir: dir, backendContainer: "flux-panel-backend"}
+	if err := exec.updateEnvVersion(envPath, "2.1.9"); err != nil {
+		t.Fatalf("updateEnvVersion() error = %v", err)
+	}
+
+	data, err := os.ReadFile(envPath)
+	if err != nil {
+		t.Fatalf("ReadFile() error = %v", err)
+	}
+
+	want := "FLUX_VERSION=2.1.9\nJWT_SECRET=test\n"
+	if string(data) != want {
+		t.Fatalf("env content = %q, want %q", string(data), want)
+	}
+}
+
+func TestUpdateEnvVersionAppendsMissingValue(t *testing.T) {
+	dir := t.TempDir()
+	envPath := filepath.Join(dir, ".env")
+	if err := os.WriteFile(envPath, []byte("JWT_SECRET=test\n"), 0o644); err != nil {
+		t.Fatalf("WriteFile() error = %v", err)
+	}
+
+	exec := &systemUpgradeExecutor{deployDir: dir, backendContainer: "flux-panel-backend"}
+	if err := exec.updateEnvVersion(envPath, "2.1.9"); err != nil {
+		t.Fatalf("updateEnvVersion() error = %v", err)
+	}
+
+	data, err := os.ReadFile(envPath)
+	if err != nil {
+		t.Fatalf("ReadFile() error = %v", err)
+	}
+
+	want := "JWT_SECRET=test\nFLUX_VERSION=2.1.9\n"
+	if string(data) != want {
+		t.Fatalf("env content = %q, want %q", string(data), want)
+	}
+}
+
+func TestUpdateEnvVersionRejectsUnsafeValue(t *testing.T) {
+	for _, version := range []string{"", "2.1.9\nJWT_SECRET=bad", "2.1.9\rbad", "2.1.9\x00bad", "2.1.9\x1fbad"} {
+		t.Run(version, func(t *testing.T) {
+			dir := t.TempDir()
+			envPath := filepath.Join(dir, ".env")
+			original := []byte("JWT_SECRET=test\n")
+			if err := os.WriteFile(envPath, original, 0o644); err != nil {
+				t.Fatalf("WriteFile() error = %v", err)
+			}
+
+			exec := &systemUpgradeExecutor{deployDir: dir, backendContainer: "flux-panel-backend"}
+			if err := exec.updateEnvVersion(envPath, version); err == nil {
+				t.Fatal("expected unsafe version to fail validation")
+			}
+
+			data, err := os.ReadFile(envPath)
+			if err != nil {
+				t.Fatalf("ReadFile() error = %v", err)
+			}
+			if string(data) != string(original) {
+				t.Fatalf("env content changed to %q, want %q", string(data), string(original))
+			}
+		})
+	}
+}
+
+func TestUpdateEnvVersionAcceptsVersionLabels(t *testing.T) {
+	for _, version := range []string{"2.1.9", "2.1.9-beta14", "v-test"} {
+		t.Run(version, func(t *testing.T) {
+			dir := t.TempDir()
+			envPath := filepath.Join(dir, ".env")
+			if err := os.WriteFile(envPath, []byte("JWT_SECRET=test\n"), 0o644); err != nil {
+				t.Fatalf("WriteFile() error = %v", err)
+			}
+
+			exec := &systemUpgradeExecutor{deployDir: dir, backendContainer: "flux-panel-backend"}
+			if err := exec.updateEnvVersion(envPath, version); err != nil {
+				t.Fatalf("updateEnvVersion() error = %v", err)
+			}
+		})
+	}
+}
+
+func TestUpdateEnvVersionPreservesFileMode(t *testing.T) {
+	dir := t.TempDir()
+	envPath := filepath.Join(dir, ".env")
+	if err := os.WriteFile(envPath, []byte("FLUX_VERSION=2.1.8\nJWT_SECRET=test\n"), 0o600); err != nil {
+		t.Fatalf("WriteFile() error = %v", err)
+	}
+
+	exec := &systemUpgradeExecutor{deployDir: dir, backendContainer: "flux-panel-backend"}
+	if err := exec.updateEnvVersion(envPath, "2.1.9"); err != nil {
+		t.Fatalf("updateEnvVersion() error = %v", err)
+	}
+
+	info, err := os.Stat(envPath)
+	if err != nil {
+		t.Fatalf("Stat() error = %v", err)
+	}
+	if got := info.Mode().Perm(); got != 0o600 {
+		t.Fatalf("env mode = %o, want 0600", got)
+	}
+}
+
+func TestValidateBackendContainerNameRejectsUnsafeValue(t *testing.T) {
+	if err := validateBackendContainerName("flux-panel-backend;rm -rf /"); err == nil {
+		t.Fatal("expected unsafe container name to fail validation")
+	}
+}
+
+func TestBuildHelperRunArgsUsesDetachedContainer(t *testing.T) {
+	exec := &systemUpgradeExecutor{deployDir: "/opt/flvx-panel", backendContainer: "flux-panel-backend"}
+	args, err := exec.buildHelperRunArgs("sha256:abc", "flvx-upgrade-helper")
+	if err != nil {
+		t.Fatalf("buildHelperRunArgs() error = %v", err)
+	}
+	want := []string{
+		"run", "-d", "--rm", "--name", "flvx-upgrade-helper",
+		"--volumes-from", "flux-panel-backend",
+		"-v", "/var/run/docker.sock:/var/run/docker.sock",
+		"-e", "PANEL_DEPLOY_DIR=/opt/flvx-panel",
+		"--entrypoint", "/bin/sh", "sha256:abc",
+		"-c", exec.helperScript(),
+	}
+
+	if !reflect.DeepEqual(args, want) {
+		t.Fatalf("buildHelperRunArgs() = %#v, want %#v", args, want)
+	}
+}
+
+func TestBuildHelperRunArgsRejectsUnsafeBackendContainer(t *testing.T) {
+	exec := &systemUpgradeExecutor{deployDir: "/opt/flvx-panel", backendContainer: "flux-panel-backend;rm -rf /"}
+	if _, err := exec.buildHelperRunArgs("sha256:abc", "flvx-upgrade-helper"); err == nil {
+		t.Fatal("expected unsafe backend container name to fail validation")
+	}
+}
+
+func TestSystemVersionRejectsWrongMethod(t *testing.T) {
+	h := &Handler{}
+	req := httptest.NewRequest(http.MethodGet, "/api/v1/system/version", nil)
+	rr := httptest.NewRecorder()
+
+	h.systemVersion(rr, req)
+
+	if !strings.Contains(rr.Body.String(), "请求失败") {
+		t.Fatalf("expected wrong-method response, got %s", rr.Body.String())
+	}
+}
+
+func TestSystemUpgradeRejectsConcurrentRequests(t *testing.T) {
+	h := &Handler{}
+	h.systemUpgradeMu.Lock()
+	defer h.systemUpgradeMu.Unlock()
+
+	req := httptest.NewRequest(http.MethodPost, "/api/v1/system/upgrade", strings.NewReader(`{"channel":"stable"}`))
+	rr := httptest.NewRecorder()
+
+	h.systemUpgrade(rr, req)
+
+	if !strings.Contains(rr.Body.String(), systemUpgradeConflictError) {
+		t.Fatalf("expected conflict message, got %s", rr.Body.String())
+	}
+}
+
+func TestSystemUpgradeFailsFastBeforeMutatingFiles(t *testing.T) {
+	dir := t.TempDir()
+	composePath := filepath.Join(dir, "docker-compose.yml")
+	envPath := filepath.Join(dir, ".env")
+	if err := os.WriteFile(composePath, []byte("services:\n  backend:\n    image: test\n"), 0o644); err != nil {
+		t.Fatalf("WriteFile() compose error = %v", err)
+	}
+	if err := os.WriteFile(envPath, []byte("FLUX_VERSION=2.1.8\nJWT_SECRET=test\n"), 0o600); err != nil {
+		t.Fatalf("WriteFile() env error = %v", err)
+	}
+
+	fakeDockerDir := t.TempDir()
+	fakeDockerPath := filepath.Join(fakeDockerDir, "docker")
+	fakeDockerScript := "#!/bin/sh\ncase \"$1\" in\n  --version)\n    echo 'Docker version 27.0.0'\n    exit 0\n    ;;&\n  compose)\n    if [ \"$2\" = version ]; then\n      echo 'Docker Compose version v2.33.0'\n      exit 0\n    fi\n    exit 0\n    ;;&\n  inspect)\n    echo 'No such object: flux-panel-backend' >&2\n    exit 1\n    ;;&\n  *)\n    exit 0\n    ;;&\n esac\n"
+	if err := os.WriteFile(fakeDockerPath, []byte(fakeDockerScript), 0o755); err != nil {
+		t.Fatalf("WriteFile() fake docker error = %v", err)
+	}
+	t.Setenv("PATH", fakeDockerDir+string(os.PathListSeparator)+os.Getenv("PATH"))
+	t.Setenv(panelDeployDirEnv, dir)
+	t.Setenv(panelBackendContainerEnv, "flux-panel-backend")
+
+	h := &Handler{}
+	req := httptest.NewRequest(http.MethodPost, "/api/v1/system/upgrade", strings.NewReader(`{"channel":"stable"}`))
+	rr := httptest.NewRecorder()
+
+	h.systemUpgrade(rr, req)
+
+	if !strings.Contains(rr.Body.String(), "当前环境不支持面板自升级") {
+		t.Fatalf("expected fail-fast capability error, got %s", rr.Body.String())
+	}
+	if _, err := os.Stat(composePath + ".upgrade.bak"); !os.IsNotExist(err) {
+		t.Fatalf("expected no compose backup, got err=%v", err)
+	}
+	if _, err := os.Stat(envPath + ".upgrade.bak"); !os.IsNotExist(err) {
+		t.Fatalf("expected no env backup, got err=%v", err)
+	}
+	composeData, err := os.ReadFile(composePath)
+	if err != nil {
+		t.Fatalf("ReadFile() compose error = %v", err)
+	}
+	if string(composeData) != "services:\n  backend:\n    image: test\n" {
+		t.Fatalf("compose mutated unexpectedly: %q", string(composeData))
+	}
+	envData, err := os.ReadFile(envPath)
+	if err != nil {
+		t.Fatalf("ReadFile() env error = %v", err)
+	}
+	if string(envData) != "FLUX_VERSION=2.1.8\nJWT_SECRET=test\n" {
+		t.Fatalf("env mutated unexpectedly: %q", string(envData))
+	}
+}
+
+func TestUpgradeBackupUsesStablePathAndRestoreRestoresOriginal(t *testing.T) {
+	dir := t.TempDir()
+	path := filepath.Join(dir, "docker-compose.yml")
+	if err := os.WriteFile(path, []byte("original"), 0o644); err != nil {
+		t.Fatalf("WriteFile() error = %v", err)
+	}
+
+	exec := &systemUpgradeExecutor{deployDir: dir, backendContainer: "flux-panel-backend"}
+	backupPath, err := exec.backupFile(path)
+	if err != nil {
+		t.Fatalf("backupFile() error = %v", err)
+	}
+	if backupPath != path+".upgrade.bak" {
+		t.Fatalf("backup path = %q, want %q", backupPath, path+".upgrade.bak")
+	}
+	if err := os.WriteFile(path, []byte("mutated"), 0o644); err != nil {
+		t.Fatalf("WriteFile() error = %v", err)
+	}
+
+	if err := exec.restoreBackup(path); err != nil {
+		t.Fatalf("restoreBackup() error = %v", err)
+	}
+	data, err := os.ReadFile(path)
+	if err != nil {
+		t.Fatalf("ReadFile() error = %v", err)
+	}
+	if string(data) != "original" {
+		t.Fatalf("restored content = %q, want original", string(data))
+	}
+}
+
+func TestRestoreBackupPreservesOriginalFileMode(t *testing.T) {
+	dir := t.TempDir()
+	path := filepath.Join(dir, ".env")
+	if err := os.WriteFile(path, []byte("FLUX_VERSION=2.1.8\nJWT_SECRET=test\n"), 0o600); err != nil {
+		t.Fatalf("WriteFile() error = %v", err)
+	}
+
+	exec := &systemUpgradeExecutor{deployDir: dir, backendContainer: "flux-panel-backend"}
+	if _, err := exec.backupFile(path); err != nil {
+		t.Fatalf("backupFile() error = %v", err)
+	}
+	if err := os.Remove(path); err != nil {
+		t.Fatalf("Remove() error = %v", err)
+	}
+	if err := exec.restoreBackup(path); err != nil {
+		t.Fatalf("restoreBackup() error = %v", err)
+	}
+
+	info, err := os.Stat(path)
+	if err != nil {
+		t.Fatalf("Stat() error = %v", err)
+	}
+	if got := info.Mode().Perm(); got != 0o600 {
+		t.Fatalf("restored mode = %o, want 0600", got)
+	}
+}
+
+func TestDecodeSystemUpgradeRequestRejectsTruncatedJSON(t *testing.T) {
+	req := httptest.NewRequest(http.MethodPost, "/api/v1/system/check-updates", strings.NewReader(`{"channel":"stable"`))
+	var payload systemUpgradeRequest
+
+	if err := decodeSystemUpgradeRequest(req, &payload); err == nil {
+		t.Fatal("expected truncated JSON to be rejected")
+	}
+}
+
+func TestDecodeSystemUpgradeRequestAllowsEmptyBody(t *testing.T) {
+	req := httptest.NewRequest(http.MethodPost, "/api/v1/system/check-updates", strings.NewReader(""))
+	var payload systemUpgradeRequest
+
+	if err := decodeSystemUpgradeRequest(req, &payload); err != nil {
+		t.Fatalf("expected empty body to be accepted, got %v", err)
+	}
+}
+
+func TestSystemUpgradeVersionDataSurfacesLookupFailureReason(t *testing.T) {
+	data, err := json.Marshal(systemUpgradeVersionData{Reason: "GitHub unavailable"})
+	if err != nil {
+		t.Fatalf("Marshal() error = %v", err)
+	}
+	if !strings.Contains(string(data), `"reason":"GitHub unavailable"`) {
+		t.Fatalf("expected reason field in JSON, got %s", string(data))
+	}
+}

vite-frontend/src/api/index.ts

@@ -42,6 +42,9 @@ import type {
   MonitorAccessApiData,
   TunnelQualityApiItem,
   StorageSummaryApiData,
+  SystemUpgradeCheckApiData,
+  SystemUpgradeRunApiData,
+  SystemUpgradeVersionApiData,
 } from "./types";
 
 import axios from "axios";
@@ -258,6 +261,24 @@ export const updateConfig = (name: string, value: string) =>
 export const getStorageSummary = () =>
   Network.get<StorageSummaryApiData>("/system/storage");
 
+export const getSystemUpgradeVersion = () =>
+  Network.post<SystemUpgradeVersionApiData>("/system/version");
+
+export const checkSystemUpgrade = (channel: ReleaseChannel = "stable") =>
+  Network.post<SystemUpgradeCheckApiData>("/system/check-updates", {
+    channel,
+  });
+
+export const runSystemUpgrade = (
+  version?: string,
+  channel: ReleaseChannel = "stable",
+) =>
+  Network.post<SystemUpgradeRunApiData>(
+    "/system/upgrade",
+    { version: version || "", channel },
+    { timeout: 60 * 1000 },
+  );
+
 export const activateLicense = (licenseKey: string) =>
   Network.post("/license/activate", { license_key: licenseKey });
 

vite-frontend/src/api/types.ts

@@ -200,6 +200,14 @@ export interface NodeReleaseApiItem {
   channel: "stable" | "dev";
 }
 
+export interface SystemUpgradeReleaseApiItem {
+  version: string;
+  name: string;
+  publishedAt: string;
+  prerelease: boolean;
+  channel: "stable" | "dev";
+}
+
 export interface UserPackageInfoApiData {
   userInfo: {
     flow: number;
@@ -484,6 +492,36 @@ export interface StorageSummaryApiData {
   databaseSizeText: string;
 }
 
+export interface SystemUpgradeCapabilityApiData {
+  capable: boolean;
+  reasons: string[];
+  deployDir: string;
+  backendContainer: string;
+}
+
+export interface SystemUpgradeVersionApiData {
+  currentVersion: string;
+  latestVersion: string;
+  hasUpdate: boolean;
+  channel: "stable" | "dev";
+  reason?: string;
+  capability: SystemUpgradeCapabilityApiData;
+}
+
+export interface SystemUpgradeCheckApiData
+  extends SystemUpgradeVersionApiData {
+  releases: SystemUpgradeReleaseApiItem[];
+}
+
+export interface SystemUpgradeRunApiData {
+  version: string;
+  channel: "stable" | "dev";
+  composeAsset: string;
+  helperContainer: string;
+  backendImageId: string;
+  message: string;
+}
+
 export interface MonitorNodeApiItem {
   id: number;
   inx: number;

vite-frontend/src/pages/config.tsx

@@ -27,8 +27,17 @@ import {
   getAnnouncement,
   updateAnnouncement,
   getStorageSummary,
+  getSystemUpgradeVersion,
+  checkSystemUpgrade,
+  runSystemUpgrade,
   type AnnouncementData,
 } from "@/api";
+import type {
+  SystemUpgradeCheckApiData,
+  SystemUpgradeRunApiData,
+  SystemUpgradeReleaseApiItem,
+  SystemUpgradeVersionApiData,
+} from "@/api/types";
 import { BackIcon, SettingsIcon } from "@/components/icons";
 import { ThemeSettings } from "@/components/theme-settings";
 import { isAdmin } from "@/utils/auth";
@@ -292,6 +301,19 @@ export default function ConfigPage() {
   const [updateChannel, setUpdateChannel] = useState<UpdateReleaseChannel>(
     getUpdateReleaseChannel(),
   );
+  const [systemUpgradeInfo, setSystemUpgradeInfo] =
+    useState<SystemUpgradeVersionApiData | null>(null);
+  const [systemUpgradeChecking, setSystemUpgradeChecking] = useState(false);
+  const [systemUpgradeExecuting, setSystemUpgradeExecuting] = useState(false);
+  const [systemUpgradeLoading, setSystemUpgradeLoading] = useState(true);
+  const [systemUpgradeModalOpen, setSystemUpgradeModalOpen] = useState(false);
+  const [systemUpgradeReleases, setSystemUpgradeReleases] = useState<
+    SystemUpgradeReleaseApiItem[]
+  >([]);
+  const [systemUpgradeCheckedChannel, setSystemUpgradeCheckedChannel] =
+    useState<UpdateReleaseChannel | null>(null);
+  const [systemUpgradeSelectedVersion, setSystemUpgradeSelectedVersion] =
+    useState("");
   const [previewLoadFailed, setPreviewLoadFailed] = useState<
     Partial<Record<BrandPreviewKey, boolean>>
   >({});
@@ -299,6 +321,20 @@ export default function ConfigPage() {
     Partial<Record<BrandPreviewKey, boolean>>
   >({});
   const [storageSummary, setStorageSummary] = useState("加载中...");
+  const systemUpgradeReleasesMatchChannel =
+    systemUpgradeCheckedChannel === updateChannel;
+  const systemUpgradeHasConfirmedUpdate = Boolean(
+    systemUpgradeInfo?.hasUpdate &&
+      systemUpgradeReleasesMatchChannel &&
+      systemUpgradeReleases.length > 0,
+  );
+  const canOpenSystemUpgradeModal = Boolean(
+    systemUpgradeInfo?.capability.capable &&
+      systemUpgradeHasConfirmedUpdate &&
+      !systemUpgradeLoading &&
+      !systemUpgradeChecking &&
+      !systemUpgradeExecuting,
+  );
 
   const canGoBack =
     typeof window !== "undefined" &&
@@ -373,11 +409,36 @@ export default function ConfigPage() {
     }
   };
 
+  const loadSystemUpgradeInfo = async (channel = updateChannel) => {
+    setSystemUpgradeLoading(true);
+    try {
+      const response = await getSystemUpgradeVersion();
+
+      if (response.code === 0 && response.data) {
+        setSystemUpgradeInfo({
+          ...response.data,
+          channel,
+          hasUpdate:
+            response.data.channel === channel ? response.data.hasUpdate : false,
+          latestVersion:
+            response.data.channel === channel ? response.data.latestVersion : "",
+        });
+      } else {
+        setSystemUpgradeInfo(null);
+      }
+    } catch {
+      setSystemUpgradeInfo(null);
+    } finally {
+      setSystemUpgradeLoading(false);
+    }
+  };
+
   useEffect(() => {
     const timer = setTimeout(() => {
       loadConfigs(initialConfigs);
       loadAnnouncement();
       loadStorageSummary();
+      void loadSystemUpgradeInfo();
     }, 100);
 
     return () => clearTimeout(timer);
@@ -417,11 +478,92 @@ export default function ConfigPage() {
   const handleUpdateChannelChange = (channel: UpdateReleaseChannel) => {
     setUpdateChannel(channel);
     setUpdateReleaseChannel(channel);
+    setSystemUpgradeSelectedVersion("");
+    setSystemUpgradeReleases([]);
+    setSystemUpgradeCheckedChannel(null);
+    void loadSystemUpgradeInfo(channel);
     toast.success(
       `更新通道已切换为${channel === "stable" ? "稳定版" : "开发版"}`,
     );
   };
 
+  const handleCheckSystemUpgrade = async () => {
+    const channel = updateChannel;
+
+    setSystemUpgradeChecking(true);
+    try {
+      const response = await checkSystemUpgrade(channel);
+
+      if (response.code === 0 && response.data) {
+        const data = response.data as SystemUpgradeCheckApiData;
+
+        setSystemUpgradeInfo(data);
+        setSystemUpgradeReleases(data.releases || []);
+        setSystemUpgradeCheckedChannel(channel);
+        setSystemUpgradeSelectedVersion("");
+        if (data.latestVersion && !data.hasUpdate) {
+          toast.success("当前已是最新版本");
+
+          return false;
+        }
+        toast.success(
+          data.latestVersion
+            ? `已检查到最新版本 ${data.latestVersion}`
+            : "未获取到可用版本",
+        );
+
+        return Boolean(data.capability.capable && data.hasUpdate && data.releases?.length);
+      } else {
+        setSystemUpgradeReleases([]);
+        setSystemUpgradeCheckedChannel(null);
+        toast.error(response.msg || "检查更新失败");
+      }
+    } catch {
+      setSystemUpgradeReleases([]);
+      setSystemUpgradeCheckedChannel(null);
+      toast.error("检查更新失败，请重试");
+    } finally {
+      setSystemUpgradeChecking(false);
+    }
+
+    return false;
+  };
+
+  const handleOpenSystemUpgradeModal = async () => {
+    if (!canOpenSystemUpgradeModal) {
+      const checked = await handleCheckSystemUpgrade();
+
+      if (!checked) {
+        return;
+      }
+    }
+    setSystemUpgradeModalOpen(true);
+  };
+
+  const handleConfirmSystemUpgrade = async () => {
+    setSystemUpgradeExecuting(true);
+    try {
+      const response = await runSystemUpgrade(
+        systemUpgradeSelectedVersion || undefined,
+        updateChannel,
+      );
+
+      if (response.code === 0 && response.data) {
+        const data = response.data as SystemUpgradeRunApiData;
+
+        setSystemUpgradeModalOpen(false);
+        setSystemUpgradeSelectedVersion("");
+        toast.success(data.message || "升级已触发，请稍后刷新页面");
+      } else {
+        toast.error(response.msg || "面板升级失败");
+      }
+    } catch {
+      toast.error("面板升级失败，请重试");
+    } finally {
+      setSystemUpgradeExecuting(false);
+    }
+  };
+
   const handleActivateLicense = async () => {
     if (!licenseKeyInput.trim()) {
       toast.error("请输入有效的商业授权码");
@@ -1329,6 +1471,7 @@ export default function ConfigPage() {
             </div>
 
             <Select
+              aria-label="更新通道"
               selectedKeys={[updateChannel]}
               size="md"
               variant="bordered"
@@ -1367,6 +1510,163 @@ export default function ConfigPage() {
             </div>
           </div>
 
+          <Divider className="my-2" />
+
+          <div className="space-y-4 rounded-xl border border-divider bg-default-50/60 p-4 dark:bg-default-100/10">
+            <div className="space-y-1">
+              <p className="text-sm font-medium text-gray-700 dark:text-gray-300">
+                面板自升级
+              </p>
+              <p className="text-xs text-gray-500 dark:text-gray-400">
+                检查当前版本、可用发布并在容器环境中触发面板升级。
+              </p>
+            </div>
+
+            {systemUpgradeLoading ? (
+              <div className="flex items-center gap-2 rounded-lg border border-divider bg-background px-4 py-3 text-sm text-default-500">
+                <Spinner size="sm" />
+                正在加载升级状态...
+              </div>
+            ) : (
+              <div className="space-y-4 rounded-lg border border-divider bg-background px-4 py-4 text-sm text-default-700 dark:text-default-300">
+                <div className="grid gap-3 md:grid-cols-2">
+                  <div>
+                    <p className="text-xs text-default-500">当前版本</p>
+                    <p className="mt-1 font-medium">
+                      {systemUpgradeInfo?.currentVersion || "未获取到版本信息"}
+                    </p>
+                  </div>
+                  <div>
+                    <p className="text-xs text-default-500">最新版本</p>
+                    <p className="mt-1 font-medium">
+                      {systemUpgradeInfo?.latestVersion || "未获取到可用版本"}
+                    </p>
+                  </div>
+                  <div>
+                    <p className="text-xs text-default-500">当前通道</p>
+                    <p className="mt-1 font-medium">
+                      {systemUpgradeInfo?.channel === "dev"
+                        ? "开发版"
+                        : systemUpgradeInfo?.channel === "stable"
+                          ? "稳定版"
+                          : updateChannel === "dev"
+                            ? "开发版"
+                            : "稳定版"}
+                    </p>
+                  </div>
+                  <div>
+                    <p className="text-xs text-default-500">升级能力</p>
+                    <p className="mt-1 font-medium">
+                      {systemUpgradeInfo?.capability.capable
+                        ? "可升级"
+                        : "当前不可升级"}
+                    </p>
+                  </div>
+                </div>
+
+                <div className="grid gap-3 md:grid-cols-2">
+                  <div>
+                    <p className="text-xs text-default-500">部署目录</p>
+                    <p className="mt-1 break-all font-medium">
+                      {systemUpgradeInfo?.capability.deployDir || "未获取到部署目录"}
+                    </p>
+                  </div>
+                  <div>
+                    <p className="text-xs text-default-500">后端容器</p>
+                    <p className="mt-1 break-all font-medium">
+                      {systemUpgradeInfo?.capability.backendContainer ||
+                        "未获取到容器信息"}
+                    </p>
+                  </div>
+                </div>
+
+                {!systemUpgradeInfo?.capability.capable && (
+                  <div className="rounded-lg border border-warning-200 bg-warning-50 px-4 py-3 text-warning-800 dark:border-warning-900/40 dark:bg-warning-950/30 dark:text-warning-200">
+                    <p className="text-xs font-medium">当前无法升级</p>
+                    <ul className="mt-2 list-disc space-y-1 pl-4 text-xs">
+                      {(systemUpgradeInfo?.capability.reasons?.length
+                        ? systemUpgradeInfo.capability.reasons
+                        : ["暂未获取到不可升级原因"]
+                      ).map((reason) => (
+                        <li key={reason}>{reason}</li>
+                      ))}
+                    </ul>
+                  </div>
+                )}
+
+                <div className="space-y-3">
+                  <div className="flex flex-col gap-1">
+                    <p className="text-sm font-medium text-gray-700 dark:text-gray-300">
+                      可用发布版本
+                    </p>
+                    <p className="text-xs text-gray-500 dark:text-gray-400">
+                      选择指定版本后执行升级；留空则使用当前通道下最新可用版本。
+                    </p>
+                  </div>
+
+                  <Select
+                    aria-label="目标版本"
+                    isDisabled={
+                      !systemUpgradeReleasesMatchChannel ||
+                      systemUpgradeReleases.length === 0 ||
+                      systemUpgradeExecuting
+                    }
+                    placeholder={
+                      systemUpgradeReleasesMatchChannel &&
+                      systemUpgradeReleases.length > 0
+                        ? "留空时自动选择最新版本"
+                        : "请先检查当前通道更新"
+                    }
+                    selectedKeys={
+                      systemUpgradeSelectedVersion
+                        ? [systemUpgradeSelectedVersion]
+                        : []
+                    }
+                    size="md"
+                    variant="bordered"
+                    onSelectionChange={(keys) => {
+                      const selected = Array.from(keys)[0] as string | undefined;
+
+                      setSystemUpgradeSelectedVersion(selected || "");
+                    }}
+                  >
+                    {(systemUpgradeReleasesMatchChannel
+                      ? systemUpgradeReleases
+                      : []
+                    ).map((release) => (
+                      <SelectItem
+                        key={release.version}
+                        description={release.publishedAt || "暂无发布时间"}
+                      >
+                        {release.name || release.version}
+                      </SelectItem>
+                    ))}
+                  </Select>
+                </div>
+              </div>
+            )}
+
+            <div className="flex flex-col gap-3 pt-1 sm:flex-row sm:justify-end">
+              <Button
+                variant="flat"
+                isLoading={systemUpgradeChecking}
+                onPress={handleCheckSystemUpgrade}
+              >
+                检查更新
+              </Button>
+              <Button
+                color="primary"
+                isDisabled={
+                  !canOpenSystemUpgradeModal
+                }
+                isLoading={systemUpgradeExecuting}
+                onPress={handleOpenSystemUpgradeModal}
+              >
+                立即升级
+              </Button>
+            </div>
+          </div>
+
           <div className="flex justify-end pt-6 border-t border-divider/50 mt-4">
             <Button
               color="primary"
@@ -1606,6 +1906,62 @@ export default function ConfigPage() {
         </ModalContent>
       </Modal>
 
+      <Modal
+        backdrop="blur"
+        classNames={{
+          base: "!w-[calc(100%-32px)] !mx-auto sm:!w-full rounded-2xl overflow-hidden",
+        }}
+        isOpen={systemUpgradeModalOpen}
+        onOpenChange={(open) => {
+          if (!systemUpgradeExecuting) {
+            setSystemUpgradeModalOpen(open);
+          }
+        }}
+      >
+        <ModalContent>
+          {(onClose) => (
+            <>
+              <ModalHeader>确认面板升级</ModalHeader>
+              <ModalBody>
+                <div className="space-y-3 text-sm text-default-700 dark:text-default-300">
+                  <p>
+                    升级过程需要访问 Docker Socket，并会在短时间内中断当前面板服务。
+                  </p>
+                  <p>
+                    请确认已经允许面板管理容器与宿主机 Docker 交互，并且可以接受升级期间的临时不可用。
+                  </p>
+                  <div className="space-y-2 rounded-lg border border-warning-200 bg-warning-50 px-4 py-3 text-warning-800 dark:border-warning-900/40 dark:bg-warning-950/30 dark:text-warning-200">
+                    <p className="text-xs font-medium">升级前请确认</p>
+                    <ul className="list-disc space-y-1 pl-4 text-xs">
+                      <li>Docker Socket 可用且挂载权限正常。</li>
+                      <li>当前面板允许短暂停止和重启。</li>
+                      <li>已选择正确的更新通道与目标版本。</li>
+                    </ul>
+                  </div>
+                </div>
+              </ModalBody>
+              <ModalFooter>
+                <Button
+                  isDisabled={systemUpgradeExecuting}
+                  variant="light"
+                  onPress={onClose}
+                >
+                  取消
+                </Button>
+                <Button
+                  color="primary"
+                  isDisabled={systemUpgradeExecuting}
+                  isLoading={systemUpgradeExecuting}
+                  onPress={handleConfirmSystemUpgrade}
+                >
+                  确认升级
+                </Button>
+              </ModalFooter>
+            </>
+          )}
+        </ModalContent>
+      </Modal>
+
       {/* Floating Save Button (FAB) */}
       <AnimatePresence>
         {hasChanges && (

vite-frontend/src/shadcn-bridge/heroui/modal.tsx

@@ -160,7 +160,6 @@ export function ModalContent({
       showCloseButton={false}
       {...props}
     >
-      <DialogTitle className="sr-only">Modal Dialog</DialogTitle>
       {renderedChildren}
     </BaseDialogContent>
   );
@@ -173,15 +172,17 @@ export function ModalHeader({
   const context = useModalContext();
 
   return (
-    <div
+    <DialogTitle asChild>
-      className={cn(
+      <div
-        "text-lg font-semibold",
+        className={cn(
-        context?.classNames?.header,
+          "text-lg font-semibold",
-        className,
+          context?.classNames?.header,
-      )}
+          className,
-      data-slot="modal-header"
+        )}
-      {...props}
+        data-slot="modal-header"
-    />
+        {...props}
+      />
+    </DialogTitle>
   );
 }
 

vite-frontend/src/shadcn-bridge/heroui/select.tsx

@@ -23,6 +23,7 @@ interface ClassNameMap {
 }
 
 export interface SelectProps<T = unknown> extends FieldMetaProps {
+  "aria-label"?: string;
   children?: React.ReactNode | ((item: T) => React.ReactNode);
   className?: string;
   classNames?: ClassNameMap;
@@ -146,6 +147,7 @@ function textSizeClass(size: SelectProps["size"]) {
 }
 
 export function Select<T>({
+  "aria-label": ariaLabel,
   children,
   className,
   classNames,
@@ -365,6 +367,7 @@ export function Select<T>({
             aria-controls={`${generatedId}-listbox`}
             aria-expanded={isExpanded}
             aria-haspopup="listbox"
+            aria-label={label ? undefined : ariaLabel}
             className={cn(
               "flex w-full min-w-0 items-center gap-2 overflow-hidden rounded-md border border-input bg-background px-3 py-2 text-left shadow-sm focus:outline-none focus-visible:ring-2 focus-visible:ring-ring",
               isDisabled ? "cursor-not-allowed opacity-60" : "",
@@ -406,6 +409,7 @@ export function Select<T>({
           )}
           disabled={isDisabled}
           id={generatedId}
+          aria-label={label ? undefined : ariaLabel}
           required={isRequired}
           value={singleValue}
           onChange={handleChange}