diff --git a/modules/planning/README.md b/modules/planning/README.md
index 2dfc07796dec6f151fc0c98abce4bfd4283c4572..d61850f75ed4d6579707bbc748219bb3f4dff9d3 100644
--- a/modules/planning/README.md
+++ b/modules/planning/README.md
@@ -13,7 +13,7 @@ There are 5 main driving scenarios that we will focus on Lane Follow, Intersecti
 
 As seen in the figure below, the lane-follow scenario, our default driving scenario, includes but is not limited to driving in a single lane (like cruising) or changing lane, following basic traffic convention or basic turning.
 
-   ![](images/Planning_default.png)
+   ![](images/planning_default.png)
 
 ```
 Note: Side Pass
diff --git a/modules/planning/README_cn.md b/modules/planning/README_cn.md
index e8b14bfce17d66d2557087eac72276cc00e0de7b..2c3d1018ac1927a7bed878a8598c05f5c8384fd2 100644
--- a/modules/planning/README_cn.md
+++ b/modules/planning/README_cn.md
@@ -13,7 +13,7 @@ Apollo3.5主要聚焦在三个主要驾驶场景，即：
 
 如下图所示，车道保持场景（我们的默认驾驶场景）包括但不限于在单车道（如巡航）或换道行驶，遵循基本的交通约定或基本转弯。
 
-![](images/Planning_default.png)
+![](images/planning_default.png)
 
 
 ### Side Pass
diff --git a/modules/planning/images/Planning_default.png b/modules/planning/images/planning_default.png
similarity index 100%
rename from modules/planning/images/Planning_default.png
rename to modules/planning/images/planning_default.png
diff --git a/modules/planning/images/pull_over3.png b/modules/planning/images/pull_over3.png
index 30655fc6527e61ce77858c90dbb55d5d5aec9906..47b1fe6ef319fb095e262f1e9f2adc6e36f79561 100644
Binary files a/modules/planning/images/pull_over3.png and b/modules/planning/images/pull_over3.png differ