diff --git a/fw_updater_packer_unpacker/README.md b/fw_updater_packer_unpacker/README.md
index 1c2b005..64b7290 100644
--- a/fw_updater_packer_unpacker/README.md
+++ b/fw_updater_packer_unpacker/README.md
@@ -16,27 +16,9 @@ Comment out the key verification in file `/usr/local/bin/start_eufwupdater.sh`:
 # fi
 ```
 
-Also, suggest to comment out the `/usr/local/bin/updater_check.sh` to prevent permanent brick:
-```
-  if [ $ret -eq 0 ]
-  then
-    # remove pkg, change normal boot and reboot
-    change_boot_mode.sh normal
-    rm -rf ${END_USER_UPDATER_PKG}
-    local_reboot 1
-  # elif [ $ret -eq 1 ]
-  # then
-  #   # remain pkg, keep boot mode and shutdown
-  #   local_reboot 0
-  else
-    # remove pkg, change normal boot and shutdown
-    change_boot_mode.sh normal
-    rm -rf ${END_USER_UPDATER_PKG}
-    local_reboot 0
-  fi
-```
+Also, to prevent permanent brick, modify `/usr/local/bin/updater_check.sh` according to `python_api/assets/updater_check.sh`.
 
-An easier way is to run `patch-updater-bash` in `dpt-tools.py --diagnosis` in diagnosis mode.
+An easier way to do above is to run `patch-updater-bash` in `dpt-tools.py --diagnosis` in diagnosis mode.
 
 # 0x1 Create your own PKG package