diff --git a/.husky/commit-msg b/.husky/commit-msg
index b7e7ecc3..ff455dc5 100755
--- a/.husky/commit-msg
+++ b/.husky/commit-msg
@@ -1,4 +1,21 @@
 #!/bin/sh
 . "$(dirname "$0")/_/husky.sh"
 
+NAME=$(git config user.name)
+EMAIL=$(git config user.email)
+
+if [ -z "$NAME" ]; then
+    echo "empty git config user.name"
+    exit 1
+fi
+
+if [ -z "$EMAIL" ]; then
+    echo "empty git config user.email"
+    exit 1
+fi
+
+git interpret-trailers --if-exists doNothing --trailer \
+    "Signed-off-by: $NAME <$EMAIL>" \
+    --in-place "$1"
+
 npm exec --no -- commitlint --edit $1