修复测试 app 批量新增数据触发触发器问题，以及登入登出设置用户名提交空字符串问题

Author: jiajun-ifanr

example/lib/pages/auth.dart

@@ -402,11 +402,20 @@ class _OtherSettings extends State<OtherSettings> {
                 ElevatedButton(
                   child: Text('设置用户名/邮箱/密码'),
                   onPressed: () async {
-                    Map<String, dynamic> data = {
-                      'email': _emailForUpdate.text,
-                      'username': _usernameForUpdate.text,
-                      'password': _passwordForUpdate.text,
-                    };
+                    Map<String, dynamic> data = {};
+
+                    if (_emailForUpdate.text != '') {
+                      data['email'] = _emailForUpdate.text;
+                    }
+
+                    if (_usernameForUpdate.text != '') {
+                      data['username'] = _usernameForUpdate.text;
+                    }
+
+                    if (_passwordForUpdate.text != '') {
+                      data['password'] = _passwordForUpdate.text;
+                    }
+
                     try {
                       BaaS.CurrentUser currentUser =
                           await BaaS.Auth.getCurrentUser();

example/lib/pages/schema_batch.dart

@@ -85,7 +85,8 @@ class _SchemaBatchState extends State<SchemaBatch> {
         {"rum": 203, "str": '5a33406909a805412e3169c3'},
       ];
 
-      TableRecordOperationList records = await order.createMany(data);
+      TableRecordOperationList records =
+          await order.createMany(data, enableTrigger: false);
       Map result = getResult(records);
       alert(context, '$result');
     } catch (e) {