fix: 默认演示123456为普通用户

src/views/_builtin/login/modules/pwd-login.vue

@@ -20,7 +20,7 @@ const codeImg = ref('');
 getCheckCode();
 
 const model = reactive({
-  username: 'superuser',
+  username: '123456',
   password: '123456',
   code: '',
   uuid: '',