diff --git a/README_zh.md b/README_zh.md
index 6c9319b..4779112 100644
--- a/README_zh.md
+++ b/README_zh.md
@@ -100,7 +100,7 @@ g_object.parent = {mother:"jack mom",father:"jack Dad"};
 g_object.list = [{mother:"jack mom"}, {father:"jack Dad"}];
 // 对端设备收到change回调，fields为name,age,isVis,parent和list
 ```
-![icon-note.gif](Pictures/icon-note.gif) **说明：** 针对复杂类型的数据修改，目前支持对根属性的修改，暂不支持对下级属性的修改。示例如下：
+![icon-note.gif](pictures/icon-note.gif) **说明：** 针对复杂类型的数据修改，目前支持对根属性的修改，暂不支持对下级属性的修改。示例如下：
 
 ```js
 //支持的修改方式
diff --git a/Pictures/icon-note.gif b/pictures/icon-note.gif
similarity index 100%
rename from Pictures/icon-note.gif
rename to pictures/icon-note.gif
diff --git a/samples/distributedNotepad/ReadMe.md b/samples/distributedNotepad/ReadMe.md
index b7bec25..06f24a7 100644
--- a/samples/distributedNotepad/ReadMe.md
+++ b/samples/distributedNotepad/ReadMe.md
@@ -10,13 +10,13 @@
 
 • 应用首页效果图
 
-![输入图片说明](Pictures/首页展示.jpg)
+![输入图片说明](pictures/首页展示.jpg)
 
 • 应用软件监听分布式对象上下线状态显示，红色表示下线，绿色表示上线。
 
- ![输入图片说明](Pictures/下线状态提示.png)
+ ![输入图片说明](pictures/下线状态提示.png)
 
- ![输入图片说明](Pictures/上线状态提示.png)
+ ![输入图片说明](pictures/上线状态提示.png)
 
  ## **开发步骤**
 
diff --git a/samples/distributedNotepad/Pictures/上线状态提示.png b/samples/distributedNotepad/pictures/上线状态提示.png
similarity index 100%
rename from samples/distributedNotepad/Pictures/上线状态提示.png
rename to samples/distributedNotepad/pictures/上线状态提示.png
diff --git a/samples/distributedNotepad/Pictures/下线状态提示.png b/samples/distributedNotepad/pictures/下线状态提示.png
similarity index 100%
rename from samples/distributedNotepad/Pictures/下线状态提示.png
rename to samples/distributedNotepad/pictures/下线状态提示.png
diff --git a/samples/distributedNotepad/Pictures/应用展示.gif b/samples/distributedNotepad/pictures/应用展示.gif
similarity index 100%
rename from samples/distributedNotepad/Pictures/应用展示.gif
rename to samples/distributedNotepad/pictures/应用展示.gif
diff --git a/samples/distributedNotepad/Pictures/数据内容列表展示.png b/samples/distributedNotepad/pictures/数据内容列表展示.png
similarity index 100%
rename from samples/distributedNotepad/Pictures/数据内容列表展示.png
rename to samples/distributedNotepad/pictures/数据内容列表展示.png
diff --git a/samples/distributedNotepad/Pictures/设备组网.gif b/samples/distributedNotepad/pictures/设备组网.gif
similarity index 100%
rename from samples/distributedNotepad/Pictures/设备组网.gif
rename to samples/distributedNotepad/pictures/设备组网.gif
diff --git a/samples/distributedNotepad/Pictures/首页展示.jpg b/samples/distributedNotepad/pictures/首页展示.jpg
similarity index 100%
rename from samples/distributedNotepad/Pictures/首页展示.jpg
rename to samples/distributedNotepad/pictures/首页展示.jpg