CharLemAznable

[BUG]```config.ServerInfo```的字段```IsDown```发生DATA RACE

1

WARNING: DATA RACE ``` Write at : github.com/apolloconfig/agollo/v4/env/server.SetDownNode() github.com/apolloconfig/agollo/v4/protocol/http.RequestRecovery() github.com/apolloconfig/agollo/v4/component/remote.(*asyncApolloConfig).notifyRemoteConfig() github.com/apolloconfig/agollo/v4/component/remote.(*asyncApolloConfig).Sync() github.com/apolloconfig/agollo/v4/component/notify.(*ConfigComponent).Start() github.com/apolloconfig/agollo/v4/component.StartRefreshConfig() github.com/apolloconfig/agollo/v4.StartWithConfig.func1() ``` ``` Previous read at : github.com/apolloconfig/agollo/v4/cluster/roundrobin.(*RoundRobin).Load() github.com/apolloconfig/agollo/v4/protocol/http.loadBalance() github.com/apolloconfig/agollo/v4/protocol/http.RequestRecovery() github.com/apolloconfig/agollo/v4/component/remote.(*asyncApolloConfig).notifyRemoteConfig() github.com/apolloconfig/agollo/v4/component/remote.(*asyncApolloConfig).Sync() github.com/apolloconfig/agollo/v4/component/notify.(*ConfigComponent).Start() github.com/apolloconfig/agollo/v4/component.StartRefreshConfig() github.com/apolloconfig/agollo/v4.StartWithConfig.func1() ```