add new restore way

README.md

@@ -16,26 +16,50 @@ System Preferences
 
 ## Usage
 
-Run script in Terminal
+Run this script in Terminal
 
-```
-$ sh -c "$(curl -fsSL https://raw.githubusercontent.com/xzhih/one-key-hidpi/master/hidpi.sh)"
+```bash
+sh -c "$(curl -fsSL https://raw.githubusercontent.com/xzhih/one-key-hidpi/master/hidpi.sh)"
 ```
 
 ![RUN](./img/run.jpg)
 
 ## Recovery
 
-If you cant boot into system, or get any another issues, you can use clover `-x ` reboot or into Recovery mode, remove your display's DisplayVendorID folder under `/System/Library/Displays/Contents/Resources/Overrides` , and move backup files
+### Normal
+
+Still running the script in the terminal, but choose option 3
+
+### Recovery mode
+
+If you cant boot into system, or get any another issues, you can boot into macOS Recovery mode, and use the Terminal.app
+
+There are two ways to close it. It is recommended to choose the first one
+
+1. 
+
+```bash
+ls /Volumes/
+cd /Volumes/"Your System Disk Part"/System/Library/Displays/Contents/Resources/Overrides/HIDPI
+
+./disable
+```
+
+2. 
+
+Remove your display's DisplayVendorID folder under `/System/Library/Displays/Contents/Resources/Overrides` , and move backup files
+
+Please use the single display to execute the following commands. If it is a laptop, turn off the internal monitor when turning off the HIDPI of the external monitor.
 
 In Terminal: 
 
-```
-$ cd /Volumes/"Your System Disk Part"/System/Library/Displays/Contents/Resources/Overrides
-$ VendorID=$(ioreg -l | grep "DisplayVendorID" | awk '{print $8}')
-$ Vid=$(echo "obase=16;$VendorID" | bc | tr 'A-Z' 'a-z')
-$ rm -rf ./DisplayVendorID-$Vid
-$ cp -r ./backup/* ./
+```bash
+ls /Volumes/
+cd /Volumes/"Your System Disk Part"/System/Library/Displays/Contents/Resources/Overrides
+EDID=($(ioreg -lw0 | grep -i "IODisplayEDID" | sed -e "/[^<]*</s///" -e "s/\>//"))
+Vid=($(echo $EDID | cut -c18-20))
+rm -rf ./DisplayVendorID-$Vid
+cp -r ./HIDPI/backup/* ./
 ```
 
 ## Inspired