diff --git a/README.md b/README.md
index 8d3b90e..f4bf513 100644
--- a/README.md
+++ b/README.md
@@ -72,7 +72,7 @@ DTM是首款golang的开源分布式事务管理器，优雅的解决了幂等
 
 上述saga分布式事务的时序图如下：
 
-![saga](https://pic3.zhimg.com/80/v2-b7d98659093c399e182a0173a8e549ca_1440w.jpg)
+<img src="https://pic3.zhimg.com/80/v2-b7d98659093c399e182a0173a8e549ca_1440w.jpg" height=428 />
 
 ### 完整示例
 参考[examples/quick_start.go](./examples/quick_start.go)