微信支付回调同一时间回调两次？什么情况？附上XML文件
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<bank_type><![CDATA[CITIC_CREDIT]]></bank_type>
<cash_fee><![CDATA[1990]]></cash_fee>
<fee_type><![CDATA[CNY]]></fee_type>
<is_subscribe><![CDATA[Y]]></is_subscribe>
<mch_id><![CDATA[1589832011]]></mch_id>
<nonce_str><![CDATA[p1fgrmuhcziqo53gpheqgjop47gahvlm]]></nonce_str>
<openid><![CDATA[ogmsX56tFuy8KMkvwuJL0ApNxgDo]]></openid>
<out_trade_no><![CDATA[2020062219510456101985]]></out_trade_no>
<result_code><![CDATA[SUCCESS]]></result_code>
<return_code><![CDATA[SUCCESS]]></return_code>
<sign><![CDATA[D05A3D4D7D014886948E3835E2A2220F31CC46A4753D18DCCD281854A9EDD74B]]></sign>
<time_end><![CDATA[20200622195111]]></time_end>
<total_fee>1990</total_fee>
<trade_type><![CDATA[JSAPI]]></trade_type>
<transaction_id><![CDATA[4200000580202006221145845829]]></transaction_id>
</xml><xml><appid><![CDATA[wxcbe37f740442293f]]></appid>
<bank_type><![CDATA[CITIC_CREDIT]]></bank_type>
<cash_fee><![CDATA[1990]]></cash_fee>
<fee_type><![CDATA[CNY]]></fee_type>
<is_subscribe><![CDATA[Y]]></is_subscribe>
<mch_id><![CDATA[1589832011]]></mch_id>
<nonce_str><![CDATA[p1fgrmuhcziqo53gpheqgjop47gahvlm]]></nonce_str>
<openid><![CDATA[ogmsX56tFuy8KMkvwuJL0ApNxgDo]]></openid>
<out_trade_no><![CDATA[2020062219510456101985]]></out_trade_no>
<result_code><![CDATA[SUCCESS]]></result_code>
<return_code><![CDATA[SUCCESS]]></return_code>
<sign><![CDATA[D05A3D4D7D014886948E3835E2A2220F31CC46A4753D18DCCD281854A9EDD74B]]></sign>
<time_end><![CDATA[20200622195111]]></time_end>
<total_fee>1990</total_fee>
<trade_type><![CDATA[JSAPI]]></trade_type>
<transaction_id><![CDATA[4200000580202006221145845829]]></transaction_id>
</xml>