tree fe2b86c47eddbe1e7bd2d83bcedb50c4299eb60b
parent f3584d901aed2b8d9e1beb75acd082155e7d1c2a
author zonghaishang <yiji@apache.org> 1589465224 +0800
committer zonghaishang <yiji@apache.org> 1589465224 +0800

optimize code.