diff --git a/Dockerfile b/Dockerfile
index 3fb5b24..dadc9ff 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -8,7 +8,7 @@ MAINTAINER eyeblue "eyebluecn@126.com"
 WORKDIR $GOPATH/src/tank
 
 # 将tank项目下的所有文件移动到golang镜像中去
-ADD . $GOPATH/src/tank
+COPY . $GOPATH/src/tank
 
 # 开始编译
 RUN ./build/pack/build.sh
diff --git a/build/pack/build.sh b/build/pack/build.sh
index 42107b1..0ef24ff 100755
--- a/build/pack/build.sh
+++ b/build/pack/build.sh
@@ -13,9 +13,11 @@ FINAL_NAME=$VERSION_NAME.linux-amd64.tar.gz
 
 cd $GOPATH
 
-echo "golang.org . Please download from: https://github.com/eyebluecn/golang.org and put in the directory with same level of github.com"
 # echo "go get golang.org/x"
 # go get golang.org/x
+if [ -z "$GOPATH/src/golang.org" ] ; then
+  git clone https://github.com/eyebluecn/golang.org.git $GOPATH/src/golang.org
+fi
 
 # resize image
 echo "go get github.com/disintegration/imaging"