diff --git a/tag.sh b/tag.sh
new file mode 100644
index 0000000..95302be
--- /dev/null
+++ b/tag.sh
@@ -0,0 +1,8 @@
+#!/bin/sh
+
+apk add --no-cache jq curl
+VER=$(curl -sL https://api.github.com/repos/fatedier/frp/releases/latest | jq -r ".tag_name")
+VER="${VER:1}"
+echo $VER
+echo -n "$VER,latest" > .tags
+sed -i -E "s/var_FRP_VERSION/$VER/" Dockerfile
\ No newline at end of file