diff --git a/ks-trans.cfg b/ks-trans.cfg
index 8d9c40e..c734b20 100644
--- a/ks-trans.cfg
+++ b/ks-trans.cfg
@@ -79,6 +79,7 @@ else
     mkfs.ext4 -F -L os /dev/${xda}*1        #1 os
     mkfs.ext4 -F -L installer /dev/${xda}*2 #2 installer
 fi
+update_part /dev/$xda
 
 # 挂载主分区
 mkdir -p /os