add

app/api/model/HelpClassify.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace app\api\model;
+
+use app\common\library\DatabaseRoute;
+use app\common\model\BaseModel;
+use app\common\model\SysUser;
+use ba\Exception;
+use ba\Random;
+use think\facade\Db;
+
+class HelpClassify extends BaseModel
+{
+
+    public function helpword()
+    {
+        return $this->hasMany('HelpWord', 'help_classify_id', 'help_classify_id');
+    }
+
+}