提交参数如下,appid 和title已修改为xxx   
{"app_id":"xxx","channel":"WX_APP","title":"xxx","total_fee":1,"bill_no":"242z1557237907642","optional":{"code":"H17817","phone":"18634564620","payId":"242z1557237907642"},"bill_timeout":360,"return_url":"http://192.168.0.109:8080/zcode/api/payCallback.jsp"} 

在本地测试时,未能拉起微信支付.提示错误" 支付失败[payment微信:-1]General errors "

不知道问题在哪,求助