diff --git a/frontend/src/views/components/UserManagement/UserExternalEmailDialog/UserExternalEmailDialog.js b/frontend/src/views/components/UserManagement/UserExternalEmailDialog/UserExternalEmailDialog.js
index a471bce3..ef5eaeb4 100644
--- a/frontend/src/views/components/UserManagement/UserExternalEmailDialog/UserExternalEmailDialog.js
+++ b/frontend/src/views/components/UserManagement/UserExternalEmailDialog/UserExternalEmailDialog.js
@@ -50,7 +50,7 @@ export function externalEmailEndpoints(selfManaged) {
 }
 
 export function useUserExternalEmailDialog(props, emit) {
-  const form = reactive({ email: '', type: 'primary', code: '' })
+  const form = reactive({ email: '', type: 'backup', code: '' })
   const challenge = reactive({ id: '', bindingId: 0, maskedEmail: '', expiresAt: '' })
   const currentEmail = ref('')
   const step = ref('details')
@@ -102,7 +102,7 @@ export function useUserExternalEmailDialog(props, emit) {
   }
 
   const reset = () => {
-    Object.assign(form, { email: '', type: 'primary', code: '' })
+    Object.assign(form, { email: '', type: 'backup', code: '' })
     Object.assign(challenge, { id: '', bindingId: 0, maskedEmail: '', expiresAt: '' })
     currentEmail.value = ''
     step.value = 'details'
diff --git a/frontend/src/views/components/UserManagement/UserExternalEmailDialog/UserExternalEmailDialog.vue b/frontend/src/views/components/UserManagement/UserExternalEmailDialog/UserExternalEmailDialog.vue
index 2ccb6c57..7850a03f 100644
--- a/frontend/src/views/components/UserManagement/UserExternalEmailDialog/UserExternalEmailDialog.vue
+++ b/frontend/src/views/components/UserManagement/UserExternalEmailDialog/UserExternalEmailDialog.vue
@@ -39,8 +39,8 @@
       </el-form-item>
       <el-form-item label="邮箱用途" required>
         <el-select v-model="form.type" aria-label="邮箱用途" :disabled="sending">
-          <el-option label="主要邮箱" value="primary" />
           <el-option label="备用邮箱" value="backup" />
+          <el-option label="主要邮箱" value="primary" />
         </el-select>
       </el-form-item>
     </el-form>