修改延迟

tools/get_history_message.go

@@ -97,9 +97,9 @@ func fetchHistoryMessages(db *sql.DB, message_seq int, group_id int) (int, error
 	for _, message := range messages {
 		messageMap := message.(map[string]interface{})
 		insertMessage(db, messageMap)
-		time.Sleep(time.Second * 1)
 
 	}
+	time.Sleep(time.Second * 1)
 	return 0, nil
 }