diff --git a/git-hangman-lab/scripts/pr b/git-hangman-lab/scripts/pr
index f1ad15b..9f237f9 100755
--- a/git-hangman-lab/scripts/pr
+++ b/git-hangman-lab/scripts/pr
@@ -252,6 +252,11 @@ cmd_merge() {
       ;;
     405)
       echo "merge failed check the pr status"
+      # Fetch PR details to show merge status
+      PR_INFO=$(curl -s -X GET "https://git.hangman-lab.top/api/v1/repos/${OWNER}/${REPO_NAME}/pulls/${pr_index}" \
+        -H 'accept: application/json' \
+        -H "Authorization: token ${token}")
+      echo "$PR_INFO" | jq '{mergeable: .mergeable, head_sha: .head.sha, base_ref: .base.ref, head_ref: .head.ref}'
       exit 1
       ;;
     *)