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 ## 简介
 
-![](https://github.com/bucketli/simpletools/blob/master/main_func.png?raw=true)
+![](https://github.com/bucketli/simpletools/blob/master/main_func_v2.png?raw=true)
 
 **canal [kə'næl]**，译意为水道/管道/沟渠，主要用途是基于 MySQL 数据库增量日志解析，提供增量数据订阅和消费