diff --git a/build.sh b/build.sh
index 9a956575..f376d589 100644
--- a/build.sh
+++ b/build.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-BIN_VERSION="go-fastdfs:${1-not set}"
+BIN_VERSION="go-fastdfs:${1-$(git describe  --tags `git rev-parse HEAD`)}"
 
 if [[ ! -d src ]];then