diff --git a/build.sh b/build.sh
index 4a02be0..57ab4c5 100755
--- a/build.sh
+++ b/build.sh
@@ -98,6 +98,9 @@ function appbuild()
 	echo "-----------------------------start-----------------------------"
 	#GIT CODE
 
+	git -C ./ checkout .
+	git -C ./ pull
+
 	rm ../release/$syspath/$cpu/* 
 	
 	git -C ../release clean -df