<b>Notice</b>:  Undefined property: stdClass::$watermark in <b>/*****/WXBizDataCrypt.php</b> on line <b>49</b><br />

WXBizDataCrypt.php是微信小程序服务端加解密原文件

//49行代码
if( $dataObj->watermark->appid != $this->appid )
{
   return self::$IllegalBuffer;
}