fix: 更新环境变量为生产API地址，并添加注销相关的本地化文本

src/locales/ar.json

@@ -897,7 +897,10 @@
       "username": "اسم المستخدم",
       "nickname": "اللقب",
       "email": "البريد الإلكتروني",
-      "changePassword": "تغيير كلمة المرور"
+      "changePassword": "تغيير كلمة المرور",
+      "signOut": "تسجيل الخروج",
+      "signOutConfirm": "هل أنت متأكد من تسجيل الخروج؟",
+      "cancel": "إلغاء"
     },
     "username": {
       "title": "إعدادات المستخدم",

src/locales/en-US.json

@@ -897,7 +897,10 @@
       "username": "Username",
       "nickname": "Nickname",
       "email": "Email",
-      "changePassword": "Change Password"
+      "changePassword": "Change Password",
+      "signOut": "Sign Out",
+      "signOutConfirm": "Are you sure you want to sign out?",
+      "cancel": "Cancel"
     },
     "username": {
       "title": "User Settings",

src/locales/zh-CN.json

@@ -897,7 +897,10 @@
       "username": "用户名",
       "nickname": "昵称",
       "email": "邮箱",
-      "changePassword": "修改密码"
+      "changePassword": "修改密码",
+      "signOut": "退出登录",
+      "signOutConfirm": "确认退出登录吗？",
+      "cancel": "取消"
     },
     "username": {
       "title": "用户设置",

src/locales/zh-HK.json

@@ -897,7 +897,10 @@
       "username": "用戶名",
       "nickname": "昵稱",
       "email": "郵箱",
-      "changePassword": "修改密碼"
+      "changePassword": "修改密碼",
+      "signOut": "退出登錄",
+      "signOutConfirm": "確認退出登錄嗎？",
+      "cancel": "取消"
     },
     "username": {
       "title": "用戶設置",