update

app/customer/svc/svc_pay.go

@@ -215,6 +215,10 @@ func BuyPackageForWx(c *gin.Context, req md.BuyPackageReq) (outTradeNo, total st
 
 	sysCfg := sysCfgDb.SysCfgFindWithDb(enum2.WxAppletAppId, enum2.WxSpAppId, enum2.WxSpMchId, enum2.WxAppletAppId, enum2.WxJsapiPayNotifyUrl)
 	fmt.Println(int64(math.Round(totalPrice * 100)))
+	openId := c.GetHeader("open_id")
+	if openId == "" {
+		openId = user.OpenId
+	}
 	result, _, err := wxSvc.Prepay(c,
 		jsapi.PrepayRequest{
 			SpAppid:     core.String(sysCfg[enum2.WxSpAppId]),
@@ -232,7 +236,7 @@ func BuyPackageForWx(c *gin.Context, req md.BuyPackageReq) (outTradeNo, total st
 			},
 			Payer: &jsapi.Payer{
 				//SpOpenid:  core.String("oUpF8uMuAJO_M2pxb1Q9zNjWeS6o"),
-				SubOpenid: core.String(user.OpenId),
+				SubOpenid: core.String(openId),
 			},
 		},
 	)