Update update-code.yml

Author: Yang-33

.github/workflows/update-code.yml

@@ -57,6 +57,6 @@ jobs:
           git commit -m "Codes are generated by openapi"
 
           git push origin update-diff-${{ env.CURRENT_DATETIME }}
-          gh pr create -B ${{ github.ref_name }} -t "Codes are generated by openapi" -b "" --label "line-openapi-update"
+          gh pr create -B ${{ github.ref_name }} -t "Codes are generated by openapi generator" -b "" --label "line-openapi-update"
         env:
           GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}