diff --git a/admin-web/src/views/Login.vue b/admin-web/src/views/Login.vue
index 10a4f7d..674ef8d 100644
--- a/admin-web/src/views/Login.vue
+++ b/admin-web/src/views/Login.vue
@@ -10,11 +10,16 @@ const loading = ref(false)
 const error = ref('')
 
 async function submit() {
-  if (!form.username.trim() || !form.password) return
+  if (loading.value) return
+  const username = form.username.trim()
+  if (!username || !form.password) {
+    error.value = '请输入用户名和密码'
+    return
+  }
   loading.value = true
   error.value = ''
   try {
-    const user = await adminAuth.login(form.username, form.password)
+    const user = await adminAuth.login(username, form.password)
     if (user.mustChangePassword) {
       await router.replace('/change-password')
     } else {
@@ -40,9 +45,14 @@ async function submit() {
           <a-input v-model:value="form.username" autocomplete="username" size="large" autofocus />
         </a-form-item>
         <a-form-item label="密码" required>
-          <a-input-password v-model:value="form.password" autocomplete="current-password" size="large" />
+          <a-input-password
+            v-model:value="form.password"
+            autocomplete="current-password"
+            size="large"
+            @pressEnter="submit"
+          />
         </a-form-item>
-        <a-button type="primary" html-type="submit" size="large" block :loading="loading">登录</a-button>
+        <a-button type="primary" html-type="submit" size="large" block :loading="loading" @click="submit">登录</a-button>
       </a-form>
     </section>
   </main>