0000000000000000000000000000000000000000 b2482b1d554e0aef2fd406808154078118895018 岳剑钟 <yuejianzhong@sensorsdata.cn> 1608861871 +0800	branch: Created from master
b2482b1d554e0aef2fd406808154078118895018 e4af42bdbe04a51eab763786313440fb18cf78f3 岳剑钟 <yuejianzhong@sensorsdata.cn> 1608864475 +0800	commit: [feature] 提交公共文件
e4af42bdbe04a51eab763786313440fb18cf78f3 0eaaf604677ec2bf5a1c3e67070d55c6ed0a9a16 岳剑钟 <yuejianzhong@sensorsdata.cn> 1608876152 +0800	commit: [feature] 优化代码，增加 mergeFrom 方法
0eaaf604677ec2bf5a1c3e67070d55c6ed0a9a16 ef721bdcd3de4e4c60a4afe45ec1c91c01be2867 岳剑钟 <yuejianzhong@sensorsdata.cn> 1609035014 +0800	commit: [feature] 返回值修改 string
