0000000000000000000000000000000000000000 aeb201de3b6d3c748eca4cb932144b6aff38f2e6 岳剑钟 <yuejianzhong@sensorsdata.cn> 1609035230 +0800	branch: Created from master
aeb201de3b6d3c748eca4cb932144b6aff38f2e6 33644dc4f69518833bb6f3f13c4c3d43337220a6 岳剑钟 <yuejianzhong@sensorsdata.cn> 1609035406 +0800	commit: [feature] 修改返回值为 string
