Golang版OneList，多配置同时更新导致并发写map，程序panic

[tongyuantongyu]

Traceback (已除去无关goroutine):

fatal error: concurrent map writes
fatal error: concurrent map writes

goroutine 8161 [running]:
runtime.throw(0x848925, 0x15)
	/usr/local/go/src/runtime/panic.go:774 +0x72 fp=0xc00043ae68 sp=0xc00043ae38 pc=0x42da82
runtime.mapassign_faststr(0x7c58c0, 0xc0001009f0, 0xc00011225c, 0x4, 0x0)
	/usr/local/go/src/runtime/map_faststr.go:291 +0x3fe fp=0xc00043aed0 sp=0xc00043ae68 pc=0x412dce
main.GetList(0xc000134000, 0xc000d3ae10, 0x2e)
	/tmp/OneList/OneList.go:396 +0x8e4 fp=0xc00043b1c0 sp=0xc00043aed0 pc=0x7678d4
main.GetList(0xc000134000, 0xc000413820, 0x1c)
	/tmp/OneList/OneList.go:394 +0x7b7 fp=0xc00043b4b0 sp=0xc00043b1c0 pc=0x7677a7
main.GetList(0xc000134000, 0xc0004134c0, 0x16)
	/tmp/OneList/OneList.go:394 +0x7b7 fp=0xc00043b7a0 sp=0xc00043b4b0 pc=0x7677a7
main.GetList(0xc000134000, 0xc00010e080, 0x11)
	/tmp/OneList/OneList.go:394 +0x7b7 fp=0xc00043ba90 sp=0xc00043b7a0 pc=0x7677a7
main.CacheRefreshMain(0xc000134000)
	/tmp/OneList/OneList.go:263 +0x8d fp=0xc00043bfd8 sp=0xc00043ba90 pc=0x765a5d
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1357 +0x1 fp=0xc00043bfe0 sp=0xc00043bfd8 pc=0x459f01
created by main.CacheRefresh
	/tmp/OneList/OneList.go:365 +0x344

goroutine 17 [semacquire]:
sync.runtime_Semacquire(0xb85150)
	/usr/local/go/src/runtime/sema.go:56 +0x42
sync.(*WaitGroup).Wait(0xb85148)
	/usr/local/go/src/sync/waitgroup.go:130 +0x64
main.CacheRefresh()
	/tmp/OneList/OneList.go:367 +0x198
main.Timer(0x85f498, 0x384, 0x4e5d01)
	/tmp/OneList/OneList.go:210 +0x96
created by main.main
	/tmp/OneList/OneList.go:858 +0xa5

goroutine 8162 [running]:
	goroutine running on other thread; stack unavailable
created by main.CacheRefresh
	/tmp/OneList/OneList.go:365 +0x344

goroutine 8162 [running]:
runtime.throw(0x848925, 0x15)
	/usr/local/go/src/runtime/panic.go:774 +0x72 fp=0xc000459158 sp=0xc000459128 pc=0x42da82
runtime.mapassign_faststr(0x7c58c0, 0xc0001009f0, 0xc000112268, 0x4, 0x0)
	/usr/local/go/src/runtime/map_faststr.go:291 +0x3fe fp=0xc0004591c0 sp=0xc000459158 pc=0x412dce
main.GetList(0xc000134080, 0xc0009b8780, 0x32)
	/tmp/OneList/OneList.go:396 +0x8e4 fp=0xc0004594b0 sp=0xc0004591c0 pc=0x7678d4
main.GetList(0xc000134080, 0xc000345600, 0x16)
	/tmp/OneList/OneList.go:394 +0x7b7 fp=0xc0004597a0 sp=0xc0004594b0 pc=0x7677a7
main.GetList(0xc000134080, 0xc000112270, 0x10)
	/tmp/OneList/OneList.go:394 +0x7b7 fp=0xc000459a90 sp=0xc0004597a0 pc=0x7677a7
main.CacheRefreshMain(0xc000134080)
	/tmp/OneList/OneList.go:263 +0x8d fp=0xc000459fd8 sp=0xc000459a90 pc=0x765a5d
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1357 +0x1 fp=0xc000459fe0 sp=0xc000459fd8 pc=0x459f01
created by main.CacheRefresh
	/tmp/OneList/OneList.go:365 +0x344

没有开源，我只能推测，问题应当出在OneList.go的396行，这一行应该是有一个map写操作，多个配置共享这一个缓存，如果同时进行更新就有可能出现此问题。
Golang的map不支持并发写，应当使用标准库的sync.Map（ https://golang.org/src/sync/map.go ）或其他线程安全的map（如https://github.com/orcaman/concurrent-map ）。