fix:

controller/recycle_card.go

@@ -276,7 +276,12 @@ func RecycleCardOrderImageUpdate(c *gin.Context) {
 	transfer, err := wxpay.Transfer(order.Price, userInfo.WxOpenID, "回收卡带")
 	if err != nil {
 		logger.Error("err:", err)
-		RespJson(c, status.InternalServerError, nil)
+		if err.Error() == "account balance insufficient" {
+			RespJson(c, status.MoneySufficient, nil)
+		} else {
+			RespJson(c, status.InternalServerError, nil)
+		}
+
 		return
 	}
 

lib/wxpay/wx_pay.go

@@ -902,6 +902,9 @@ func Transfer(amount uint32, openId, desc string) (*WxTransferResp, error) {
 	}
 
 	if wxResp.ReturnCode != "SUCCESS" || wxResp.ResultCode != "SUCCESS" {
+		if wxResp.ErrCodeDes == "余额不足" {
+			return nil, errors.New("account balance insufficient")
+		}
 		return nil, errors.New("Transfer fail")
 	}