去掉默认登录用户名和密码

src/views/login.vue

@@ -50,8 +50,8 @@ export default {
     return {
       codeUrl: '',
       loginForm: {
-        username: 'admin',
-        password: 'admin123',
+        username: '',
+        password: '',
         rememberMe: false,
         code: '',
         uuid: ''