Update main.cc
Update main.cc

update string format
ycool/apollo,jinghaomiao/apollo,ApolloAuto/apollo,xiaoxq/apollo,ycool/apollo,jinghaomiao/apollo,xiaoxq/apollo,ApolloAuto/apollo,ycool/apollo,jinghaomiao/apollo,xiaoxq/apollo,xiaoxq/apollo,ycool/apollo,xiaoxq/apollo,jinghaomiao/apollo,ycool/apollo,ycool/apollo,ApolloAuto/apollo,ApolloAuto/apollo,ApolloAuto/apollo,ApolloAuto/apollo,xiaoxq/apollo,jinghaomiao/apollo,jinghaomiao/apollo