03-09 14:23:56 发起打款到零钱，返回“证书已过期”（单号TX20200309292214979910），在没有更换证书的情况下，03-09 14:25:21再次发起打款到零钱（单号R20200309202514495757），然后成功了，这个是什么原因造成的呢？

{"return_code":"SUCCESS","return_msg":"证书已过期","mch_appid":"wxdf04fda0b36cbf18","mchid":"1444881902","result_code":"FAIL","err_code":"CA_ERROR","err_code_des":"证书已过期"}

{"return_code":"SUCCESS","return_msg":[],"mch_appid":"wxdf04fda0b36cbf18","mchid":"1444881902","nonce_str":"4TQXK1W88dpeA8xm","result_code":"SUCCESS","partner_trade_no":"R20200309202514495757","payment_no":"10100216155052003090091203002579","payment_time":"2020-03-09 14:25:21"}