fix

hub.go

@@ -502,7 +502,7 @@ func (h *Hub) GetOneWithStruct(gd *GetData) (response *ResponseData) {
 	if gd.Filter == nil {
 		return &ResponseData{
 			State: config.NO_MATCH_FILTER,
-			Data:  fmt.Appendf(nil, "[%s] not filter function", IdMsg(config.NO_MATCH_FILTER)),
+			Data:  []byte(IdMsg(config.NO_MATCH_FILTER)),
 		}
 	}
 	gd.Max = 1
@@ -513,7 +513,7 @@ func (h *Hub) GetOneWithStruct(gd *GetData) (response *ResponseData) {
 	if response == nil {
 		return &ResponseData{
 			State: config.NO_MATCH_CONNECT,
-			Data:  fmt.Appendf(nil, "[%s] Filter: %s, Cmd: %s", IdMsg(config.NO_MATCH_CONNECT), GetFunctionName(gd.Filter), gd.Cmd),
+			Data:  []byte(IdMsg(config.NO_MATCH_CONNECT)),
 		}
 	}
 	return