优化

Author: neckprotecter

4-FirstInstallAndUse/4.2-M5/4.2.3-StartRobot.md

@@ -58,11 +58,9 @@ The use case diagram is shown in the following figure: (Please carefully align i
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 > ① When using the robot arm, turn the emergency stop knob clockwise to keep the emergency stop switch released;   
-> ② In case of abnormal movement of the arm, please press the emergency stop switch in time, and hold the arm steady to place the fall.  
+> ② If the movement of the arm is abnormal, please press the emergency stop switch in time, and hold the arm steady to prevent it from falling. 
 > ③ When resuming the use of the arm after the emergency situation has ended, turn the emergency stop knob clockwise to release the emergency stop switch and re-power the arm.  
 
-①.在使用机械臂时，请顺时针旋转急停旋钮让急停开关保持在释放状态；②.如遇机械臂运动异常请先及时按下急停开关，且扶稳机械臂防止摔落③.在紧急异常情况结束后，恢复机械臂使用时，请顺时针旋转急停旋钮，让急停开关重新保持释放状态并重新给机械臂上电
-
 **Step 4:**<br>
 <img  src="../../resources/4-FirstInstallAndUse/connect/电源安装1.jpg" width="500" />
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5-BasicApplication/5.2-ApplicationUse/5.2.1-myblockly/320m5/8-GripperUse.md

@@ -95,9 +95,9 @@ If you can't control the girpper from the above example, maybe you need to set t
 
 And run the program
 
-<img src="../../../../resources/5-BasicApplication/5.2.1/m5/img/case/gripper_item3.png"  />
-
+<img src="../../../../resources/5-BasicApplication/5.2.1/m5/img/case/gripper_trans.png"  />
 
+> Note: If you are using an M5 version of the machine, you need to change the port parameter to COM