diff --git a/.github/workflows/openim-ci.yml b/.github/workflows/openim-ci.yml
index e063c6e3b..d58211444 100644
--- a/.github/workflows/openim-ci.yml
+++ b/.github/workflows/openim-ci.yml
@@ -19,7 +19,7 @@ jobs:
 
     strategy:
       matrix:
-        go_version: [1.18, 1.19, 1.20]
+        go_version: ['1.18', '1.19', '1.20']
         os: [ubuntu-latest, macOS-latest]
 
     steps:
diff --git a/scripts/githooks/commit-msg b/scripts/githooks/commit-msg
index bf00bfc31..99f4067b9 100644
--- a/scripts/githooks/commit-msg
+++ b/scripts/githooks/commit-msg
@@ -75,4 +75,18 @@ then
     printError "Please fix your commit message to match kubecub coding standards"
     printError "https://gist.github.com/cubxxw/126b72104ac0b0ca484c9db09c3e5694#file-githook-md"
     exit 1
+fi
+
+### Add Sign-off-by line to the end of the commit message
+# Get local git config
+NAME=$(git config user.name)
+EMAIL=$(git config user.email)
+
+# Check if the commit message contains a sign-off line
+grep -qs "^Signed-off-by: " "$1"
+SIGNED_OFF_BY_EXISTS=$?
+
+# Add "Signed-off-by" line if it doesn't exist
+if [ $SIGNED_OFF_BY_EXISTS -ne 0 ]; then
+  echo -e "\nSigned-off-by: $NAME <$EMAIL>" >> "$1"
 fi
\ No newline at end of file