diff --git a/doc/ABTEST_IN_PADDLE_SERVING.md b/doc/ABTEST_IN_PADDLE_SERVING.md
index 4bf7f2d1063b7c799871847435437b6482f57bb8..fc213a8148429ff6b1558c6fdb3104356ab37662 100644
--- a/doc/ABTEST_IN_PADDLE_SERVING.md
+++ b/doc/ABTEST_IN_PADDLE_SERVING.md
@@ -2,7 +2,7 @@
 
 This document will use an example of text classification task based on IMDB dataset to show how to build a A/B Test framework using Paddle Serving. The structure relationship between the client and servers in the example is shown in the figure below.
 
-<img src="/abtest.png" style="zoom:33%;" />
+<img src="abtest.png" style="zoom:33%;" />
 
 Note that:  A/B Test is only applicable to RPC mode, not web mode.
 
diff --git a/doc/ABTEST_IN_PADDLE_SERVING_CN.md b/doc/ABTEST_IN_PADDLE_SERVING_CN.md
index c5e6c24791dcc262add66a8b6b19da4b1675b425..7fe34c02a309b3ba88800b9d82f5d9cab2e3e774 100644
--- a/doc/ABTEST_IN_PADDLE_SERVING_CN.md
+++ b/doc/ABTEST_IN_PADDLE_SERVING_CN.md
@@ -2,7 +2,7 @@
 
 该文档将会用一个基于IMDB数据集的文本分类任务的例子，介绍如何使用Paddle Serving搭建A/B Test框架，例中的Client端、Server端结构如下图所示。
 
-<img src="/abtest.png" style="zoom:33%;" />
+<img src="abtest.png" style="zoom:33%;" />
 
 需要注意的是：A/B Test只适用于RPC模式，而不适用于WEB模式。