微信退款需要证书，证书过期了新申请的证书无效
报错信息 Invalid XML, can not convert to map. Error message: The element type "hr" must be terminated by the matching end-tag "</hr>".. XML content: <html>^M <head><title>400 The SSL certificate error</title></head>^M <body bgcolor="white">^M <center><h1>400 Bad Request</h1></center>^M <center>The SSL certificate error</center>^M <hr><center>nginx</center>^M </body>^M </html>^M
