作废链接和取消订单

backend/internal/handler/open_v1.go

@@ -121,7 +121,7 @@ func (h *OpenV1Handler) QueryOrder(c *gin.Context) {
 }
 
 type openCancelOrderReq struct {
-	Reason string `json:"reason"`
+	Reason string `json:"reason" binding:"max=512"`
 }
 
 func (h *OpenV1Handler) CancelOrder(c *gin.Context) {
@@ -129,7 +129,7 @@ func (h *OpenV1Handler) CancelOrder(c *gin.Context) {
 	var req openCancelOrderReq
 	if err := c.ShouldBindJSON(&req); err != nil {
 		openlog.Warn(c, "cancel_order bind_fail err=%v", err)
-		response.BadRequest(c, "参数错误")
+		response.BadRequest(c, "参数错误：reason 最长 512 字")
 		return
 	}
 	orderNo := c.Param("order_no")