二次开发：补全 PRO 功能 + 优化体验

- 新增站点自定义（标题/Favicon/登录页描述）
- 新增在线自定义 CSS/JS 编辑器
- 扩展备份迁移支持面板配置导出导入
- 默认账号改为 admin/1234
- 设置按钮改为橙色更醒目
- 修复登录页误报"登录过期"弹窗
- 修复 i18n 双重 apps 块导致翻译失效

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

service/api/api_v1/system/A_ENTER.go

@@ -1,11 +1,13 @@
 package system
 
 type ApiSystem struct {
-	About           About
-	LoginApi        LoginApi
-	UserApi         UserApi
-	FileApi         FileApi
-	NoticeApi       NoticeApi
-	ModuleConfigApi ModuleConfigApi
-	MonitorApi      MonitorApi
+	About              About
+	LoginApi           LoginApi
+	UserApi            UserApi
+	FileApi            FileApi
+	NoticeApi          NoticeApi
+	ModuleConfigApi    ModuleConfigApi
+	MonitorApi         MonitorApi
+	SiteCustomizeApi   SiteCustomizeApi
+	CustomStyleApi     CustomStyleApi
 }

service/api/api_v1/system/customStyle.go

@@ -0,0 +1,33 @@
+package system
+
+import (
+	"sun-panel/api/api_v1/common/apiReturn"
+	"sun-panel/global"
+	"sun-panel/lib/cmn/systemSetting"
+
+	"github.com/gin-gonic/gin"
+	"github.com/gin-gonic/gin/binding"
+)
+
+type CustomStyleApi struct{}
+
+// 获取自定义 CSS/JS（无需登录）
+func (a *CustomStyleApi) Get(c *gin.Context) {
+	cfg := systemSetting.CustomStyle{}
+	global.SystemSetting.GetValueByInterface(systemSetting.CUSTOM_STYLE, &cfg)
+	apiReturn.SuccessData(c, cfg)
+}
+
+// 保存自定义 CSS/JS（管理员）
+func (a *CustomStyleApi) Set(c *gin.Context) {
+	cfg := systemSetting.CustomStyle{}
+	if err := c.ShouldBindBodyWith(&cfg, binding.JSON); err != nil {
+		apiReturn.ErrorParamFomat(c, err.Error())
+		return
+	}
+	if err := global.SystemSetting.Set(systemSetting.CUSTOM_STYLE, cfg); err != nil {
+		apiReturn.ErrorDatabase(c, err.Error())
+		return
+	}
+	apiReturn.Success(c)
+}

service/api/api_v1/system/siteCustomize.go

@@ -0,0 +1,33 @@
+package system
+
+import (
+	"sun-panel/api/api_v1/common/apiReturn"
+	"sun-panel/global"
+	"sun-panel/lib/cmn/systemSetting"
+
+	"github.com/gin-gonic/gin"
+	"github.com/gin-gonic/gin/binding"
+)
+
+type SiteCustomizeApi struct{}
+
+// 获取站点自定义配置（无需登录，登录页使用）
+func (a *SiteCustomizeApi) Get(c *gin.Context) {
+	cfg := systemSetting.SiteCustomize{}
+	global.SystemSetting.GetValueByInterface(systemSetting.SITE_CUSTOMIZE, &cfg)
+	apiReturn.SuccessData(c, cfg)
+}
+
+// 保存站点自定义配置（管理员）
+func (a *SiteCustomizeApi) Set(c *gin.Context) {
+	cfg := systemSetting.SiteCustomize{}
+	if err := c.ShouldBindBodyWith(&cfg, binding.JSON); err != nil {
+		apiReturn.ErrorParamFomat(c, err.Error())
+		return
+	}
+	if err := global.SystemSetting.Set(systemSetting.SITE_CUSTOMIZE, cfg); err != nil {
+		apiReturn.ErrorDatabase(c, err.Error())
+		return
+	}
+	apiReturn.Success(c)
+}

service/initialize/database/connect.go

@@ -135,13 +135,13 @@ func NotFoundAndCreateUser(db *gorm.DB) error {
 		if err != gorm.ErrRecordNotFound {
 			return err
 		}
-		username := "admin@sun.cc"
+		username := "admin"
 		fUser.Mail = username
 		fUser.Username = username
 		fUser.Name = username
 		fUser.Status = 1
 		fUser.Role = 1
-		fUser.Password = cmn.PasswordEncryption("12345678")
+		fUser.Password = cmn.PasswordEncryption("1234")
 
 		if errCreate := db.Create(&fUser).Error; errCreate != nil {
 			return errCreate

service/lib/cmn/systemSetting/systemSetting.go

@@ -15,6 +15,8 @@ const (
 	DISCLAIMER            = "disclaimer"            // 免责声明 储存类型：字符串
 	WEB_ABOUT_DESCRIPTION = "web_about_description" // 关于的描述信息
 	PANEL_PUBLIC_USER_ID  = "panel_public_user_id"  // 公开访问模式用户id *uint|null
+	SITE_CUSTOMIZE        = "site_customize"         // 站点自定义配置
+	CUSTOM_STYLE          = "custom_style"           // 自定义 CSS/JS
 )
 
 type SystemSettingCache struct {
@@ -43,6 +45,19 @@ type ApplicationSetting struct {
 	WebSiteUrl string `json:"webSiteUrl"` // 站点地址
 }
 
+// 站点自定义配置
+type SiteCustomize struct {
+	SiteTitle        string `json:"siteTitle"`        // 站点标题（显示在登录页）
+	FaviconUrl       string `json:"faviconUrl"`        // Favicon 图标 URL
+	LoginDescription string `json:"loginDescription"`  // 登录页描述文字
+}
+
+// 自定义 CSS/JS
+type CustomStyle struct {
+	Css string `json:"css"` // 自定义 CSS 内容
+	Js  string `json:"js"`  // 自定义 JS 内容
+}
+
 var (
 	ErrorNoExists = errors.New("no exists")
 )

service/router/system/A_ENTER.go

@@ -10,4 +10,6 @@ func Init(routerGroup *gin.RouterGroup) {
 	InitNoticeRouter(routerGroup)
 	InitModuleConfigRouter(routerGroup)
 	InitMonitorRouter(routerGroup)
+	InitSiteCustomizeRouter(routerGroup)
+	InitCustomStyleRouter(routerGroup)
 }

service/router/system/customStyle.go

@@ -0,0 +1,19 @@
+package system
+
+import (
+	"sun-panel/api/api_v1"
+	"sun-panel/api/api_v1/middleware"
+
+	"github.com/gin-gonic/gin"
+)
+
+func InitCustomStyleRouter(router *gin.RouterGroup) {
+	api := api_v1.ApiGroupApp.ApiSystem.CustomStyleApi
+
+	// 无需登录
+	router.POST("/system/customStyle/get", api.Get)
+
+	// 管理员才能修改
+	rAdmin := router.Group("", middleware.LoginInterceptor, middleware.AdminInterceptor)
+	rAdmin.POST("/system/customStyle/set", api.Set)
+}

service/router/system/siteCustomize.go

@@ -0,0 +1,19 @@
+package system
+
+import (
+	"sun-panel/api/api_v1"
+	"sun-panel/api/api_v1/middleware"
+
+	"github.com/gin-gonic/gin"
+)
+
+func InitSiteCustomizeRouter(router *gin.RouterGroup) {
+	api := api_v1.ApiGroupApp.ApiSystem.SiteCustomizeApi
+
+	// 无需登录（登录页读取）
+	router.POST("/system/siteCustomize/get", api.Get)
+
+	// 管理员才能修改
+	rAdmin := router.Group("", middleware.LoginInterceptor, middleware.AdminInterceptor)
+	rAdmin.POST("/system/siteCustomize/set", api.Set)
+}