diff --git a/ok3568/scripts/pre_pack.sh b/ok3568/scripts/pre_pack.sh
index 81b56f5a003e1e1ebba416775556470eb9d65d67..b75f024d51030d12785c6104d6e7fb2fbb794cb5 100644
--- a/ok3568/scripts/pre_pack.sh
+++ b/ok3568/scripts/pre_pack.sh
@@ -25,6 +25,7 @@ function pre_pack() {
     exit 1
   fi
 
+  chmod u+x $BOARD_PATH/third_party/tools/resource_tool
   $BOARD_PATH/third_party/tools/resource_tool $BOARD_PACK_BUILD_PATH/rk3568.dtb 2>/dev/null
   if [ $? != 0 ]; then
     echo "Error: generating resource.img file failed."
@@ -45,6 +46,7 @@ function pre_pack() {
   sed -i "s/{{KERNEL_IMG}}/${kernel_image//\//\\/}/g" $target_its_file
   sed -i "s/{{RESOURCE_IMG}}/${resource_file//\//\\/}/g" $target_its_file
 
+  chmod u+x $BOARD_PATH/third_party/tools/mkimage
   $BOARD_PATH/third_party/tools/mkimage -f $target_its_file -E -p 0x800 $pack_img_file >/dev/null 2>&1
   if [ $? != 0 ]; then
     echo "Error: generating boot.img file failed."
diff --git a/util.sh b/util.sh
old mode 100755
new mode 100644