diff --git a/SUMMARY_320_M5.md b/SUMMARY_320_M5.md
index e098973..781d860 100644
--- a/SUMMARY_320_M5.md
+++ b/SUMMARY_320_M5.md
@@ -76,8 +76,8 @@
     - [1 Environment Building](10-ApplicationBasePython/10.2_320_M5-ApplicationPython/1_download.md)
     - [2 Introduction to API](10-ApplicationBasePython/10.2_320_M5-ApplicationPython/2_API.md)
     - [3 TCP/IP Control](10-ApplicationBasePython/10.2_320_M5-ApplicationPython/3_TCPIP.md)
-    - [4 Handle Control](10-ApplicationBasePython/10.2_320_M5-ApplicationPython/4_Handle_control.md)
-    - [5 Videos and Codes for Display](10-ApplicationBasePython/10.2_320_M5-ApplicationPython/5_example.md)
+    <!-- [4 Handle Control](10-ApplicationBasePython/10.2_320_M5-ApplicationPython/4_Handle_control.md)-->
+    - [4 Videos and Codes for Display](10-ApplicationBasePython/10.2_320_M5-ApplicationPython/5_example.md)
   - [6.2 Robot Operating System 1 (ROS1) ](11-ApplicationBaseROS/11.1-ROS1/11.1.1-M5.md)
     - [1 Environment Building](11-ApplicationBaseROS/11.1-ROS1/11.1.1-320M5/11.1.1.1-环境搭建.md)
     - [2 ROS basics](11-ApplicationBaseROS/11.1-ROS1/11.1.1-320M5/11.1.1.2-ROS基础.md)