Fix bfs_client
Fix bfs_client

00k/ToyDFS,bluebore/dfs,lylei/dfs,lylei/dfs,linyvxiang/dfs,bluebore/bfs,baidu/bfs,yvxiang/dfs,myawan/bfs-1,bluebore/dfs,yvxiang/coverage_for_bfs,yvxiang/coverage_for_bfs,00k/ToyDFS,yvxiang/coverage_for_bfs,baidu/bfs,linyvxiang/dfs,lylei/dfs,yvxiang/dfs,bluebore/bfs,lylei/dfs,baidu/bfs,yvxiang/coverage_for_bfs,bluebore/bfs,linyvxiang/dfs,yvxiang/dfs,yvxiang/dfs,myawan/bfs-1,bluebore/dfs,myawan/bfs-1,baidu/bfs,myawan/bfs-1