diff --git a/build.sh b/build.sh
index be0413d..515c62c 100755
--- a/build.sh
+++ b/build.sh
@@ -8,6 +8,7 @@ script_dir=$(cd $(dirname $0);pwd)
 cd $script_dir
 echo $script_dir
 pwd
+err=0
 mainverstr=$(cat ../sdk/include/huagao/brand.h |grep VERSION_MAIN)
 mainverstr=${mainverstr: -3}
 mainverstr=$(echo $mainverstr)
@@ -117,10 +118,13 @@ cmake ../code_device
 make 
 
 if [ $? -ne 0 ];then
-   echo "--------------------------------------make fail---------------------------------------"
-   #exit 1          # commented, we should restore the CMakeLists.txts...
+
+    err=1
+    echo "--------------------------------------make fail---------------------------------------"
+             # commented, we should restore the CMakeLists.txts...
 else
-   echo "--------------------------------------make succeed------------------------------------"
+    err=0
+    echo "--------------------------------------make succeed------------------------------------"
 fi
 #make
 
@@ -138,3 +142,4 @@ if [ -f ../code_device/hgdriver/wrapper/CMakeLists.txtbkp ]; then
     pwd
 fi
 
+exit $err
\ No newline at end of file