diff --git a/build.sh b/build.sh
index 273def6..54f1fd6 100755
--- a/build.sh
+++ b/build.sh
@@ -104,7 +104,7 @@ function appbuild()
 	echo "-----------------------------start-----------------------------"
 	#GIT CODE
 
-	#git -C ./ checkout .
+	git -C ./ checkout .
 	git -C ./ pull
 
 	rm ../release/$syspath/$cpu/* 
@@ -117,12 +117,12 @@ function appbuild()
 	git -C ../sdk checkout .
 	git -C ../sdk pull
 
-	#git -C ../code_device clean -df
-	#git -C ../code_device checkout .
+	git -C ../code_device clean -df
+	git -C ../code_device checkout .
 	git -C ../code_device pull
 
-	#git -C ../code_app clean -df
-	#git -C ../code_app checkout .
+	git -C ../code_app clean -df
+	git -C ../code_app checkout .
 	git -C ../code_app pull
 
 	git -C ../code_lang checkout .