add

app/api/model/InviteAchievement.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace app\api\model;
+
+use app\common\library\DatabaseRoute;
+use app\common\model\Common;
+use ba\Random;
+use think\facade\Db;
+use think\Model;
+
+class InviteAchievement extends Model
+{
+    public static function GetByInviteAchievementInvite($user_id)
+    {
+        $db = DatabaseRoute::getDb('invite_achievement', $user_id);
+        $count = $db->where(['state' => 1, 'user_id' => $user_id])->count();
+        return $count;
+    }
+}