Update README.md

package/kvmd-msd/README.md

@@ -18,34 +18,33 @@
 	scp ***.iso [email protected]:/mnt/msd/user/
 ```	
 
-4. excute msd cmd.wait until excute end. The default size of the USB flash disk is 5GB, if your iso is large than 5GB, you should modify kvmd-msd.sh.
-- If /mnt/msd/user this path only have one iso, you can use the follow command. 
+4. excute msd cmd.wait until excute end. The default size of the USB flash disk is 5GB.
 ```
-	sudo bash /usr/bin/blikvm/kvmd-msd.sh make
-```
-- If /mnt/msd/user this path have more than one iso, you can use the follow command. **xxx.iso** means the iso name.
-```
-	sudo bash /usr/bin/blikvm/kvmd-msd.sh make xxx.iso
+	sudo bash /usr/bin/blikvm/kvmd-msd.sh -c make -s 5 -n ventoy -f xxx.iso
 ```
+- If you want to excute other cmd, you can use other option. c option contain :  make/conn/disconn/clean--
+- If your iso is large than 5GB.You can specify the optional parameter - s xxx, xxx is the Size.
+- If you need specify iso ,you can use -f xxx.iso. 
+- If you want to specify the msd name, you can use -n xxx. 
 
-**Tips: cp progress slowly, Please be patient.**
+**Tips: cp progress slowly, Please be patient.  **
 
 5. If you want to expand the USB flash size, find "sudo dd if=/dev/zero of=ventoy.img bs=1M count=5120 status=progress;" this line in kvmd-msd.sh, change the "count=5120". 
 
 
 6. connect msd
 ```
-	sudo bash  /usr/bin/blikvm/kvmd-msd.sh conn
+	sudo bash  /usr/bin/blikvm/kvmd-msd.sh -c conn
 ```
 		
 7. disconnect msd
 ```
-	sudo bash  /usr/bin/blikvm/kvmd-msd.sh disconn
+	sudo bash  /usr/bin/blikvm/kvmd-msd.sh -c disconn
 ```
 
 8. clean msd
 ```
-	sudo bash  /usr/bin/blikvm/kvmd-msd.sh clean
+	sudo bash  /usr/bin/blikvm/kvmd-msd.sh -c clean
 ```
 		
 9. throuht web restart PC, enter BIOS, modify boot priority,set blikvm USB first.