feat: add custom download URL for manual update method

- Add custom_download_url field to Version model
- Show custom download URL input when update method is 'manual'
- Use platform default URL if custom URL is not set
- Add i18n translations for new field

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

backend/internal/model/models.go

@@ -229,7 +229,8 @@ type Version struct {
 	EntryFile      string         `gorm:"size:255" json:"entry_file"`
 	UpdateStrategy string         `gorm:"size:20;default:optional" json:"update_strategy"`
 	UpdateType     string         `gorm:"size:20;default:full" json:"update_type"`
-	UpdateMethod   string         `gorm:"size:20;default:auto" json:"update_method"`
+	UpdateMethod    string         `gorm:"size:20;default:auto" json:"update_method"`
+	CustomDownloadURL string       `gorm:"size:500" json:"custom_download_url"`
 	Description    string         `gorm:"type:text" json:"description"`
 	Changelog      string         `gorm:"type:text" json:"changelog"`
 	Status         string         `gorm:"size:20;default:active" json:"status"`

backend/internal/router/admin/versions.go

@@ -226,38 +226,40 @@ func handleGetVersionByID(c *gin.Context) {
 	}
 
 	response.Success(c, gin.H{
-		"id":               version.ID,
+		"id":                 version.ID,
-		"application_id":   version.ApplicationID,
+		"application_id":     version.ApplicationID,
-		"application_name": appNameMap[version.ApplicationID],
+		"application_name":   appNameMap[version.ApplicationID],
-		"version":          version.Version,
+		"version":            version.Version,
-		"description":      version.Description,
+		"description":        version.Description,
-		"file_path":        version.FilePath,
+		"file_path":          version.FilePath,
-		"file_size":        version.FileSize,
+		"file_size":          version.FileSize,
-		"file_hash":        version.FileHash,
+		"file_hash":          version.FileHash,
-		"update_strategy":  version.UpdateStrategy,
+		"update_strategy":    version.UpdateStrategy,
-		"update_type":      version.UpdateType,
+		"update_type":        version.UpdateType,
-		"update_method":    version.UpdateMethod,
+		"update_method":      version.UpdateMethod,
-		"changelog":        version.Changelog,
+		"custom_download_url": version.CustomDownloadURL,
-		"status":           computedStatus,
+		"changelog":          version.Changelog,
-		"base_version_id":  version.BaseVersionID,
+		"status":             computedStatus,
-		"files":            version.Files,
+		"base_version_id":    version.BaseVersionID,
-		"created_at":       version.CreatedAt,
+		"files":              version.Files,
-		"updated_at":       version.UpdatedAt,
+		"created_at":         version.CreatedAt,
+		"updated_at":         version.UpdatedAt,
 	})
 }
 
 type CreateVersionRequest struct {
-	ApplicationID  uint   `json:"application_id"`
+	ApplicationID      uint   `json:"application_id"`
-	Version        string `json:"version"`
+	Version            string `json:"version"`
-	FilePath       string `json:"file_path"`
+	FilePath           string `json:"file_path"`
-	FileSize       int64  `json:"file_size"`
+	FileSize           int64  `json:"file_size"`
-	FileHash       string `json:"file_hash"`
+	FileHash           string `json:"file_hash"`
-	EntryFile      string `json:"entry_file"`
+	EntryFile          string `json:"entry_file"`
-	UpdateStrategy string `json:"update_strategy"`
+	UpdateStrategy     string `json:"update_strategy"`
-	UpdateType     string `json:"update_type"`
+	UpdateType         string `json:"update_type"`
-	UpdateMethod   string `json:"update_method"`
+	UpdateMethod       string `json:"update_method"`
-	Description    string `json:"description"`
+	CustomDownloadURL  string `json:"custom_download_url"`
-	Changelog      string `json:"changelog"`
+	Description        string `json:"description"`
+	Changelog          string `json:"changelog"`
 }
 
 func handleCreateVersionGlobal(c *gin.Context) {
@@ -287,18 +289,19 @@ func handleCreateVersionGlobal(c *gin.Context) {
 	}
 
 	version := model.Version{
-		ApplicationID:  req.ApplicationID,
+		ApplicationID:      req.ApplicationID,
-		Version:        req.Version,
+		Version:            req.Version,
-		FilePath:       req.FilePath,
+		FilePath:           req.FilePath,
-		FileSize:       req.FileSize,
+		FileSize:           req.FileSize,
-		FileHash:       req.FileHash,
+		FileHash:           req.FileHash,
-		EntryFile:      req.EntryFile,
+		EntryFile:          req.EntryFile,
-		UpdateStrategy: req.UpdateStrategy,
+		UpdateStrategy:     req.UpdateStrategy,
-		UpdateType:     req.UpdateType,
+		UpdateType:         req.UpdateType,
-		UpdateMethod:   req.UpdateMethod,
+		UpdateMethod:       req.UpdateMethod,
-		Description:    req.Description,
+		CustomDownloadURL:  req.CustomDownloadURL,
-		Changelog:      req.Changelog,
+		Description:        req.Description,
-		Status:         "active",
+		Changelog:          req.Changelog,
+		Status:             "active",
 	}
 
 	if version.UpdateStrategy == "" {
@@ -341,12 +344,13 @@ func handleCreateVersionGlobal(c *gin.Context) {
 }
 
 type UpdateVersionRequest struct {
-	Version        string `json:"version"`
+	Version            string `json:"version"`
-	UpdateStrategy string `json:"update_strategy"`
+	UpdateStrategy     string `json:"update_strategy"`
-	UpdateType     string `json:"update_type"`
+	UpdateType         string `json:"update_type"`
-	UpdateMethod   string `json:"update_method"`
+	UpdateMethod       string `json:"update_method"`
-	Description    string `json:"description"`
+	CustomDownloadURL  string `json:"custom_download_url"`
-	Changelog      string `json:"changelog"`
+	Description        string `json:"description"`
+	Changelog          string `json:"changelog"`
 }
 
 func handleUpdateVersionGlobal(c *gin.Context) {
@@ -403,6 +407,7 @@ func handleUpdateVersionGlobal(c *gin.Context) {
 	if req.UpdateMethod != "" {
 		updates["update_method"] = req.UpdateMethod
 	}
+	updates["custom_download_url"] = req.CustomDownloadURL
 	if req.Description != "" {
 		updates["description"] = req.Description
 	}

frontend/src/pages/admin/versions/[id].vue

@@ -46,6 +46,7 @@ const formData = ref({
   update_strategy: 'optional' as 'optional' | 'forced',
   update_type: 'full' as 'full' | 'patch',
   update_method: 'auto' as 'auto' | 'manual',
+  custom_download_url: '',
   changelog: '',
   entry_file: '',
   file: null as File | null,
@@ -97,6 +98,7 @@ async function fetchVersion() {
       formData.value.update_strategy = ver.update_strategy || 'optional'
       formData.value.update_type = ver.update_type || 'full'
       formData.value.update_method = ver.update_method || 'auto'
+      formData.value.custom_download_url = ver.custom_download_url || ''
       formData.value.changelog = ver.changelog || ''
       formData.value.entry_file = ver.entry_file || ''
     }
@@ -184,6 +186,7 @@ async function handleSubmit() {
       update_strategy: formData.value.update_strategy,
       update_type: formData.value.update_type,
       update_method: formData.value.update_method,
+      custom_download_url: formData.value.custom_download_url,
       changelog: formData.value.changelog,
       entry_file: formData.value.entry_file,
     }
@@ -460,6 +463,18 @@ onMounted(() => {
                 </UiSelect>
               </div>
 
+              <div v-if="formData.update_method === 'manual'" class="space-y-2">
+                <UiLabel>{{ t('admin.versions.createForm.customDownloadUrl') }}</UiLabel>
+                <p class="text-sm text-muted-foreground">
+                  {{ t('admin.versions.createForm.customDownloadUrlDesc') }}
+                </p>
+                <UiInput
+                  v-model="formData.custom_download_url"
+                  :placeholder="t('admin.versions.createForm.customDownloadUrlPlaceholder')"
+                  :disabled="saving"
+                />
+              </div>
+
               <div class="space-y-2">
                 <UiLabel for="changelog">
                   {{ t('admin.versions.createForm.changelog') }}
@@ -516,6 +531,10 @@ onMounted(() => {
                     : t('admin.versions.methods.manual')
                   }}</span>
                 </div>
+                <div v-if="formData.update_method === 'manual'" class="flex justify-between text-sm">
+                  <span class="text-muted-foreground">{{ t('admin.versions.createForm.previewCustomDownloadUrl') }}</span>
+                  <span class="truncate max-w-[120px]">{{ formData.custom_download_url || t('admin.versions.createForm.useDefault') }}</span>
+                </div>
               </div>
 
               <div class="border-t pt-4 mt-4">

frontend/src/pages/admin/versions/create.vue

@@ -45,6 +45,7 @@ const formData = ref({
   update_strategy: 'optional' as 'optional' | 'forced',
   update_type: 'full' as 'full' | 'patch',
   update_method: 'auto' as 'auto' | 'manual',
+  custom_download_url: '',
   changelog: '',
   entry_file: '',
   file: null as File | null,
@@ -188,6 +189,7 @@ async function handleSubmit() {
       update_strategy: formData.value.update_strategy,
       update_type: formData.value.update_type,
       update_method: formData.value.update_method,
+      custom_download_url: formData.value.custom_download_url,
       changelog: formData.value.changelog,
       entry_file: formData.value.entry_file,
       file_path: uploadedData.value.file_path,
@@ -454,6 +456,18 @@ onMounted(() => {
                 </UiSelect>
               </div>
 
+              <div v-if="formData.update_method === 'manual'" class="space-y-2">
+                <UiLabel>{{ t('admin.versions.createForm.customDownloadUrl') }}</UiLabel>
+                <p class="text-sm text-muted-foreground">
+                  {{ t('admin.versions.createForm.customDownloadUrlDesc') }}
+                </p>
+                <UiInput
+                  v-model="formData.custom_download_url"
+                  :placeholder="t('admin.versions.createForm.customDownloadUrlPlaceholder')"
+                  :disabled="saving"
+                />
+              </div>
+
               <div class="space-y-2">
                 <UiLabel for="changelog">
                   {{ t('admin.versions.createForm.changelog') }}
@@ -516,6 +530,10 @@ onMounted(() => {
                   <span class="text-muted-foreground">{{ t('admin.versions.createForm.previewUpdateMethod') }}</span>
                   <span>{{ methodLabel }}</span>
                 </div>
+                <div v-if="formData.update_method === 'manual'" class="flex justify-between text-sm">
+                  <span class="text-muted-foreground">{{ t('admin.versions.createForm.previewCustomDownloadUrl') }}</span>
+                  <span class="truncate max-w-[120px]">{{ formData.custom_download_url || t('admin.versions.createForm.useDefault') }}</span>
+                </div>
               </div>
 
               <div class="border-t pt-4 mt-4">

frontend/src/plugins/i18n/en.json

@@ -1499,6 +1499,11 @@
         "previewUpdateType": "Update Type",
         "previewUpdateMethod": "Update Method",
         "previewAutoUpdate": "Auto Update",
+        "customDownloadUrl": "Custom Download URL",
+        "customDownloadUrlDesc": "Set a custom download URL, or use the platform default if not set",
+        "customDownloadUrlPlaceholder": "e.g., https://your-cdn.com/download/app.zip",
+        "previewCustomDownloadUrl": "Download URL",
+        "useDefault": "Use Default",
         "changelogPreview": "Changelog Preview",
         "noChangelog": "No changelog",
         "notUploaded": "Not uploaded",

frontend/src/plugins/i18n/zh.json

@@ -1477,6 +1477,11 @@
         "previewUpdateType": "更新类型",
         "previewUpdateMethod": "更新方式",
         "previewAutoUpdate": "自动更新",
+        "customDownloadUrl": "自定义下载地址",
+        "customDownloadUrlDesc": "设置自定义下载地址，不设置则使用平台默认地址",
+        "customDownloadUrlPlaceholder": "例如: https://your-cdn.com/download/app.zip",
+        "previewCustomDownloadUrl": "下载地址",
+        "useDefault": "使用默认地址",
         "changelogPreview": "更新日志预览",
         "noChangelog": "暂无更新日志",
         "notUploaded": "未上传",