diff --git a/novalon-manage-web/e2e/user-create-diagnostic.spec.ts b/novalon-manage-web/e2e/user-create-diagnostic.spec.ts
new file mode 100644
index 0000000..efb0628
--- /dev/null
+++ b/novalon-manage-web/e2e/user-create-diagnostic.spec.ts
@@ -0,0 +1,132 @@
+import { test, expect } from '@playwright/test';
+import { LoginPage } from './pages/LoginPage';
+
+test.describe('用户创建诊断测试', () => {
+  test.beforeEach(async ({ page }) => {
+    const loginPage = new LoginPage(page);
+    await loginPage.goto();
+    await loginPage.login('admin', 'Admin123');
+  });
+
+  test('诊断用户创建流程', async ({ page }) => {
+    console.log('=== 开始诊断用户创建流程 ===');
+    
+    await page.goto('/users');
+    await page.waitForLoadState('networkidle');
+    await page.waitForSelector('.el-table', { timeout: 10000 });
+    
+    console.log('1. 导航到用户管理页面成功');
+    
+    await page.click('button:has-text("新增用户")');
+    await page.waitForSelector('.el-dialog', { timeout: 5000 });
+    
+    console.log('2. 打开新增用户对话框成功');
+    
+    const timestamp = Date.now();
+    const userData = {
+      username: `testuser_${timestamp}`,
+      password: 'Test@123',
+      email: `testuser_${timestamp}@test.com`,
+      phone: '13800138000',
+      nickname: `测试用户${timestamp}`
+    };
+    
+    console.log('3. 准备创建用户:', userData);
+    
+    const dialog = page.locator('.el-dialog');
+    
+    await dialog.locator('input').first().fill(userData.username);
+    console.log('   - 填写用户名:', userData.username);
+    
+    await dialog.locator('input[type="password"]').fill(userData.password);
+    console.log('   - 填写密码:', userData.password);
+    
+    await dialog.locator('input').nth(2).fill(userData.nickname);
+    console.log('   - 填写昵称:', userData.nickname);
+    
+    await dialog.locator('input').nth(3).fill(userData.email);
+    console.log('   - 填写邮箱:', userData.email);
+    
+    await dialog.locator('input').nth(4).fill(userData.phone);
+    console.log('   - 填写手机号:', userData.phone);
+    
+    await page.screenshot({ path: `test-results/before-submit-${timestamp}.png` });
+    console.log('4. 表单填写完成，截图保存');
+    
+    const submitButton = dialog.getByRole('button', { name: '确定' });
+    
+    const [response] = await Promise.all([
+      page.waitForResponse(resp => 
+        resp.url().includes('/api/users') && 
+        resp.request().method() === 'POST',
+        { timeout: 10000 }
+      ).catch(err => {
+        console.log('   ❌ 等待API响应超时:', err.message);
+        return null;
+      }),
+      submitButton.click()
+    ]);
+    
+    console.log('5. 提交表单');
+    
+    if (response) {
+      console.log('   ✅ 捕获到API响应');
+      console.log('   - 状态码:', response.status());
+      console.log('   - URL:', response.url());
+      
+      try {
+        const responseBody = await response.json();
+        console.log('   - 响应体:', JSON.stringify(responseBody, null, 2));
+      } catch (err) {
+        console.log('   - 无法解析响应体:', err.message);
+      }
+    } else {
+      console.log('   ⚠️  没有捕获到API响应');
+    }
+    
+    await page.waitForTimeout(2000);
+    
+    const successMessage = page.locator('.el-message--success');
+    const errorMessage = page.locator('.el-message--error');
+    const warningMessage = page.locator('.el-message--warning');
+    
+    if (await successMessage.count() > 0) {
+      const text = await successMessage.first().textContent();
+      console.log('   ✅ 成功消息:', text);
+    } else if (await errorMessage.count() > 0) {
+      const text = await errorMessage.first().textContent();
+      console.log('   ❌ 错误消息:', text);
+    } else if (await warningMessage.count() > 0) {
+      const text = await warningMessage.first().textContent();
+      console.log('   ⚠️  警告消息:', text);
+    } else {
+      console.log('   ℹ️  没有显示任何消息');
+    }
+    
+    await page.screenshot({ path: `test-results/after-submit-${timestamp}.png` });
+    console.log('6. 提交后截图保存');
+    
+    const dialogVisible = await dialog.isVisible();
+    console.log('7. 对话框是否可见:', dialogVisible);
+    
+    if (dialogVisible) {
+      console.log('   ℹ️  对话框仍然打开，可能表单验证失败或API返回错误');
+      
+      const formItems = await dialog.locator('.el-form-item').all();
+      console.log('   - 表单项数量:', formItems.length);
+      
+      for (let i = 0; i < formItems.length; i++) {
+        const item = formItems[i];
+        const errorText = await item.locator('.el-form-item__error').textContent().catch(() => null);
+        if (errorText) {
+          const label = await item.locator('.el-form-item__label').textContent();
+          console.log(`   - 验证错误 [${label}]: ${errorText}`);
+        }
+      }
+    } else {
+      console.log('   ✅ 对话框已关闭');
+    }
+    
+    console.log('=== 诊断完成 ===');
+  });
+});
diff --git a/novalon-manage-web/src/views/system/Login.vue b/novalon-manage-web/src/views/system/Login.vue
index 0c551bb..82b62fc 100644
--- a/novalon-manage-web/src/views/system/Login.vue
+++ b/novalon-manage-web/src/views/system/Login.vue
@@ -69,18 +69,26 @@ const onFinish = async () => {
   loading.value = true
   try {
     const res: any = await request.post('/auth/login', formState)
-    if (res.code === 401) {
-      ElMessage.error(res.message || '登录失败')
+    
+    if (!res || !res.token) {
+      ElMessage.error('登录失败：未收到有效响应')
       return
     }
+    
     localStorage.setItem('token', res.token)
-    localStorage.setItem('userId', res.userId)
-    localStorage.setItem('username', res.username)
+    if (res.userId) {
+      localStorage.setItem('userId', String(res.userId))
+    }
+    if (res.username) {
+      localStorage.setItem('username', res.username)
+    }
+    
     ElMessage.success('登录成功')
     
     await router.push('/')
   } catch (error: any) {
-    ElMessage.error(error.response?.data?.message || '登录失败')
+    console.error('登录错误:', error)
+    ElMessage.error(error.response?.data?.message || error.message || '登录失败')
   } finally {
     loading.value = false
   }