diff --git a/ui/index.html b/ui/index.html
index 957b6c8..d7f7547 100644
--- a/ui/index.html
+++ b/ui/index.html
@@ -5,7 +5,7 @@
 <meta name="viewport" content="width=device-width, initial-scale=1.0">
 <title>AITokenPool</title>
 <link rel="icon" type="image/svg+xml" href="data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 64 64'%3E%3Cdefs%3E%3ClinearGradient id='g' x1='0' y1='0' x2='1' y2='1'%3E%3Cstop offset='0' stop-color='%234ecdc4'/%3E%3Cstop offset='1' stop-color='%232a9d8f'/%3E%3C/linearGradient%3E%3C/defs%3E%3Crect width='64' height='64' rx='14' fill='url(%23g)'/%3E%3Ctext x='32' y='43' font-family='-apple-system,Segoe UI,Arial,sans-serif' font-size='30' font-weight='800' text-anchor='middle' fill='%23062021'%3EAT%3C/text%3E%3C/svg%3E">
-<link rel="stylesheet" href="css/style.css?v=20260911-9">
+<link rel="stylesheet" href="css/style.css?v=20260911-10">
 </head>
 <body>
 
@@ -842,9 +842,9 @@ <h3 id="chat-title">使用模型</h3>
   </div>
 </div>
 
-<script src="js/api.js?v=20260911-9"></script>
-<script src="js/data.js?v=20260911-9"></script>
-<script src="js/i18n.js?v=20260911-9"></script>
-<script src="js/app.js?v=20260911-9"></script>
+<script src="js/api.js?v=20260911-10"></script>
+<script src="js/data.js?v=20260911-10"></script>
+<script src="js/i18n.js?v=20260911-10"></script>
+<script src="js/app.js?v=20260911-10"></script>
 </body>
 </html>
diff --git a/ui/js/i18n.js b/ui/js/i18n.js
index 3b6c110..a151dbb 100644
--- a/ui/js/i18n.js
+++ b/ui/js/i18n.js
@@ -815,6 +815,12 @@
     "err.codeLocked": "验证码错误次数过多，请重新获取",
     "err.badEmail": "邮箱格式不正确",
     "err.weakPassword": "密码至少 8 位",
+    "err.emailNotRegistered": "该邮箱未注册",
+    "err.modelExists": "模型已存在（provider+model 唯一）",
+    "err.raisePending": "已有待审批的加额申请，请等待管理员处理",
+    "err.raiseHandled": "该申请已处理",
+    "err.codeSendFail": "验证码发送失败，请重试",
+    "err.negativePrice": "价格不能为负数",
   };
 
   var EN = {
@@ -1601,6 +1607,12 @@
     "err.codeLocked": "Too many wrong attempts, please request a new code",
     "err.badEmail": "Invalid email format",
     "err.weakPassword": "Password must be at least 8 characters",
+    "err.emailNotRegistered": "This email is not registered",
+    "err.modelExists": "Model already exists (provider + model must be unique)",
+    "err.raisePending": "A raise request is already awaiting approval",
+    "err.raiseHandled": "This request has already been handled",
+    "err.codeSendFail": "Failed to send the verification code, please try again",
+    "err.negativePrice": "Price cannot be negative",
   };
 
   // 后端中文错误 → en 键（lang=en 时对已知错误做映射；未知原样返回）
@@ -1608,8 +1620,12 @@
   // 只是为了让人读起来「最具体的在最前」，避免后续插条时又互相遮蔽（如
   // 「不存在」遮蔽「验证码不存在或已过期」、「验证码错误」遮蔽「验证码错误次数过多」）。
   var ERR_MAP = [
+    ["模型已存在（provider+model 唯一）", "err.modelExists"],
+    ["已有待审批的加额申请，请等待管理员处理", "err.raisePending"],
+    ["网络不可用，请检查后端服务是否启动", "err.network"],
     ["该模型暂无可用 key", "err.noAvailableKey"],
     ["API Key 不存在", "err.keyNotFound"],
+    ["验证码发送失败，请重试", "err.codeSendFail"],
     ["验证码不存在或已过期", "err.codeExpired"],
     ["验证码错误次数过多", "err.codeLocked"],
     ["密码至少 8 位", "err.weakPassword"],
@@ -1618,9 +1634,12 @@
     ["key 不存在", "err.keyNotFound"],
     ["服务器内部错误", "err.serverError"],
     ["邮箱格式不正确", "err.badEmail"],
+    ["价格不能为负数", "err.negativePrice"],
     ["点数余额不足", "err.insufficient"],
     ["请求过于频繁", "err.rateLimit"],
     ["该邮箱已注册", "err.emailTaken"],
+    ["该邮箱未注册", "err.emailNotRegistered"],
+    ["该申请已处理", "err.raiseHandled"],
     ["邮箱未验证", "err.emailUnverified"],
     ["验证码错误", "err.badCode"],
     ["余额不足", "err.insufficient"],