请求报文：

appid=wxfb5b168fe46a40d8&clientip=10.168.30.67&@&contract_display_account=杨馨植&mch_id=1451069002&notify_url=http%3A%2F%2Ftestuat-snotice.fuis.fosun-uhi.com%2Fs3-modules-gateway%2Fwx%2FwxContractNotify.action&plan_id=127933&request_serial=2019100800383469&sign=738492F83EB9961E4326F30201B9C425535B77E70B3B616845FA7D25DB485BC9&timestamp=1570498411&user_creid=330681199112010472&user_truename=杨馨植&version=1.0

返回报文：

<xml>

<return_code><![CDATA[SUCCESS]]></return_code>

<return_msg><![CDATA[]]></return_msg>

<result_code><![CDATA[FAIL]]></result_code>

<result_msg><![CDATA[SIGN_ERROR]]></result_msg>

</xml>