AlexProRoom

``` fatal error: concurrent map iteration and map write goroutine 367 [running]: runtime.throw(0xd9a8e0, 0x26) /usr/local/go/src/runtime/panic.go:1117 +0x72 fp=0xc00099b010 sp=0xc00099afe0 pc=0x4382d2 runtime.mapiternext(0xc000ebed80) /usr/local/go/src/runtime/map.go:858 +0x54c fp=0xc00099b090 sp=0xc00099b010 pc=0x41256c reflect.mapiternext(0xc000ebed80) /usr/local/go/src/runtime/map.go:1346 +0x2b fp=0xc00099b0a8 sp=0xc00099b090...