diff --git a/handler/handler.go b/handler/handler.go
index 70fecd2..414c219 100644
--- a/handler/handler.go
+++ b/handler/handler.go
@@ -92,13 +92,13 @@ func MsgInHandler(msg model.Message) (reply model.Reply) {
 		}
 	}()
 	if msg.RawMsg != "" {
-		log.Default().Printf("M:%v", msg)
+		log.Default().Printf("\033[31m↓\033[0m:%v", msg)
 	} else {
 		return model.Reply{}
 	}
 	defer func() {
 		if reply.ReplyMsg != "" {
-			log.Default().Printf("R:%v", reply)
+			log.Default().Printf("\033[32m↑\033[0m:%v", reply)
 		}
 	}()
 	if handlerUserID, ok := liveHandlers[msg.GroupInfo.GroupId]; ok {