<xml>     <return_code>         <![CDATA[SUCCESS]]>     </return_code>     <result_code>         <![CDATA[FAIL]]>     </result_code>     <err_code>         <![CDATA[SYSTEMERROR]]>     </err_code>     <mch_id>         <![CDATA[此处删除了]]>     </mch_id>     <appid>         <![CDATA[此处删除了]]>     </appid>     <receiver>         <![CDATA[{"type":"MERCHANT_ID","account":"此处删除了","relation_type":"PARTNER"}]]>     </receiver>     <nonce_str>         <![CDATA[8c857223a7aacd6c]]>     </nonce_str>     <sign>         <![CDATA[BED225BD8CA240C7300E0190369937AC57365A16B9BAB2FDC627FFC22F1CBC75]]>     </sign> </xml>