diff --git a/app/Http/Controllers/AuthController.php b/app/Http/Controllers/AuthController.php
index 0e561ba..3a8b1bb 100644
--- a/app/Http/Controllers/AuthController.php
+++ b/app/Http/Controllers/AuthController.php
@@ -63,9 +63,11 @@ class AuthController extends Controller
 
         // --- 核心：第一次登录即为注册 ---
 
-        // 映射性别：1=男 2=女，默认保密
-        $sexMap = ['1' => '男', '2' => '女'];
-        $sex = $sexMap[$request->input('bSex', '')] ?? '保密';
+        // 映射性别：1=男 2=女 0=保密（数据库 sex 列为 int）
+        $sex = (int) $request->input('bSex', 0);
+        if (! in_array($sex, [1, 2])) {
+            $sex = 0;
+        }
 
         $newUser = User::create([
             'username' => $username,
diff --git a/app/Http/Controllers/UserController.php b/app/Http/Controllers/UserController.php
index 8e0483f..592b9e1 100644
--- a/app/Http/Controllers/UserController.php
+++ b/app/Http/Controllers/UserController.php
@@ -60,7 +60,9 @@ class UserController extends Controller
     public function updateProfile(UpdateProfileRequest $request): JsonResponse
     {
         $user = Auth::user();
-        $user->update($request->validated());
+        $data = $request->validated();
+
+        $user->update($data);
 
         return response()->json(['status' => 'success', 'message' => '资料更新成功。']);
     }
diff --git a/app/Http/Requests/UpdateProfileRequest.php b/app/Http/Requests/UpdateProfileRequest.php
index 0aa734b..5892aff 100644
--- a/app/Http/Requests/UpdateProfileRequest.php
+++ b/app/Http/Requests/UpdateProfileRequest.php
@@ -30,7 +30,7 @@ class UpdateProfileRequest extends FormRequest
     public function rules(): array
     {
         return [
-            'sex' => ['required', 'string', 'in:男,女,保密'],
+            'sex' => ['required', 'in:0,1,2'],
             'headface' => ['required', 'string', 'max:50'], // 比如存放 01.gif - 50.gif
             'sign' => ['nullable', 'string', 'max:255'],
             'email' => ['nullable', 'email', 'max:255'],
@@ -42,7 +42,7 @@ class UpdateProfileRequest extends FormRequest
     public function messages(): array
     {
         return [
-            'sex.in' => '性别选项无效。',
+            'sex.in' => '性别选项无效（0=保密 1=男 2=女）。',
             'headface.required' => '必须选择一个头像。',
         ];
     }
diff --git a/resources/views/chat/frame.blade.php b/resources/views/chat/frame.blade.php
index 0f01efb..97c62bb 100644
--- a/resources/views/chat/frame.blade.php
+++ b/resources/views/chat/frame.blade.php
@@ -445,9 +445,9 @@
                             <label style="font-size:12px; width:50px; text-align:right;">性别:</label>
                             <select id="set-sex"
                                 style="flex:1; padding:5px; border:1px solid #ccc; border-radius:4px; font-size:12px;">
-                                <option value="男" {{ Auth::user()->sex === '男' ? 'selected' : '' }}>男</option>
-                                <option value="女" {{ Auth::user()->sex === '女' ? 'selected' : '' }}>女</option>
-                                <option value="保密" {{ Auth::user()->sex === '保密' ? 'selected' : '' }}>保密</option>
+                                <option value="1" {{ Auth::user()->sex == 1 ? 'selected' : '' }}>男</option>
+                                <option value="2" {{ Auth::user()->sex == 2 ? 'selected' : '' }}>女</option>
+                                <option value="0" {{ Auth::user()->sex == 0 ? 'selected' : '' }}>保密</option>
                             </select>
                         </div>
                         <div style="display:flex; align-items:center; gap:8px;">