修改

biz/main/classes/MainClass.php

@@ -0,0 +1,12 @@
+<?php
+
+namespace biz\main\classes;
+
+use biz\base\classes\BaseClass;
+
+class MainClass extends BaseClass
+{
+
+    public static $baseFile = '\biz\main\models\Main';
+
+}

biz/main/models/Main.php

@@ -0,0 +1,12 @@
+<?php
+namespace biz\main\models;
+
+use biz\base\models\Base;
+
+class Main extends Base
+{
+    public static function tableName()
+    {
+        return 'xhMain';
+    }
+}