V2版文档中，退款查询接口有返回refund_count，实际中没有返回此字段 <xml> <appid><![CDATA[wx04a784ab]]></appid> <cash_fee><![CDATA[129]]></cash_fee> <mch_id><![CDATA[16030412]]></mch_id> <nonce_str><![CDATA[BsDul9lnam]]></nonce_str> <out_refund_no><![CDATA[81a0f1890ef74dd0a065984b86696]]></out_refund_no> <out_trade_no><![CDATA[2d4a558bfc2241d1b2c0e6b498d0e]]></out_trade_no> <refund_account><![CDATA[REFUND_SOURCE_RECHARGE_FUNDS]]></refund_account> <refund_channel><![CDATA[ORIGINAL]]></refund_channel> <refund_fee>129</refund_fee> <refund_id><![CDATA[503011074120210320073081889]]></refund_id> <refund_recv_accout><![CDATA[支付用户的零钱]]></refund_recv_accout> <refund_status><![CDATA[SUCCESS]]></refund_status> <refund_success_time><![CDATA[2021-03-20 11:48:12]]></refund_success_time> <result_code><![CDATA[SUCCESS]]></result_code> <return_code><![CDATA[SUCCESS]]></return_code> <return_msg><![CDATA[OK]]></return_msg> <sign><![CDATA[862BCD0C12F0C3B18E58F5F1D2EEC]]></sign> <total_fee><![CDATA[129]]></total_fee> <transaction_id><![CDATA[4200000938202181942899259]]></transaction_id> </xml>