tree 343ca075ec5bf92f67f6907aafe642eb72eee09f
parent 3ebe081b27c3111531234a1fdf207d85f48774b7
author peng-yongsheng <8082209@qq.com> 1534669566 +0800
committer peng-yongsheng <8082209@qq.com> 1534669566 +0800

Avoid class cast exception.