diff --git a/pages/profile.vue b/pages/profile.vue
index 6d44259..59d6240 100644
--- a/pages/profile.vue
+++ b/pages/profile.vue
@@ -38,8 +38,7 @@ const currentTab = computed({
 })
 
 const editProfileSchema = object({
-  nickname: string(),
-  email: string().notRequired().email('请输入正确的邮箱地址'),
+  username: string().required('请输入姓名'),
   sex: number().required('请选择性别'),
   company: string().required('请输入公司名称'),
 })
@@ -47,8 +46,7 @@ const editProfileSchema = object({
 type EditProfileSchema = InferType<typeof editProfileSchema>
 
 const editProfileState = reactive({
-  nickname: loginState.user?.nickname || '',
-  email: loginState.user?.email || '',
+  username: loginState.user?.username || '',
   sex: loginState.user.sex || 0,
   company: loginState.user?.company || '',
 })
@@ -56,13 +54,26 @@ const editProfileState = reactive({
 const isEditProfileModified = ref(false)
 
 const onEditProfileSubmit = (event: FormSubmitEvent<EditProfileSchema>) => {
+  let payload: Partial<UserSchema> & AuthedRequest = {
+    token: loginState.token!,
+    user_id: loginState.user.id,
+    // 排除 username 字段，因为如果 username 未修改，后端会返回错误
+    ...Object.fromEntries(
+      Object.entries(event.data).filter(([key]) => key !== 'username')
+    ),
+  }
+
+  // 如果用户名有变化，需要额外传递 username 字段
+  if (event.data.username !== loginState.user.username) {
+    payload = {
+      ...payload,
+      username: event.data.username,
+    }
+  }
+
   useFetchWrapped<Partial<UserSchema> & AuthedRequest, BaseResponse<{}>>(
     'App.User_User.EditProfile',
-    {
-      token: loginState.token!,
-      user_id: loginState.user.id,
-      ...(event.data as UserSchema),
-    }
+    payload
   )
     .then((res) => {
       if (res.ret === 200) {
@@ -215,28 +226,21 @@ const onChangePasswordSubmit = (
                 >
                   <UFormGroup
                     name="username"
-                    label="账户名"
+                    label="姓名"
+                    help="您的真实姓名，将用于登录系统"
+                    hint="账户名"
                   >
-                    <p class="text-sm text-neutral-500 dark:text-neutral-400">
-                      {{ loginState.user?.username }}
-                    </p>
-                    <!-- <UInput v-model="editProfileState.username" /> -->
+                    <UInput v-model="editProfileState.username" />
                   </UFormGroup>
                   <UFormGroup
                     name="mobile"
                     label="手机号码"
+                    help="手机号作为登录和找回密码的凭证，暂不支持修改"
                   >
-                    <p class="text-sm text-neutral-500 dark:text-neutral-400">
-                      {{ loginState.user?.mobile }}
-                    </p>
-                    <!-- <UInput v-model="editProfileState.mobile" /> -->
-                  </UFormGroup>
-                  <UFormGroup
-                    name="nickname"
-                    label="姓名"
-                    help="您的真实姓名，便于系统管理员联系您"
-                  >
-                    <UInput v-model="editProfileState.nickname" />
+                    <UInput
+                      :placeholder="loginState.user?.mobile || 'nil'"
+                      disabled
+                    />
                   </UFormGroup>
                   <UFormGroup
                     name="sex"
@@ -251,12 +255,6 @@ const onChangePasswordSubmit = (
                       ]"
                     />
                   </UFormGroup>
-                  <UFormGroup
-                    name="email"
-                    label="电子邮箱"
-                  >
-                    <UInput v-model="editProfileState.email" />
-                  </UFormGroup>
                   <UFormGroup
                     name="company"
                     label="公司/学校/组织名称"