TIANYU HU
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TIANYU HU
```go foo := &Parent{ Children: []Child{{}}, } ``` probably you need to write like that to set the default value for ONE Child{} of Children cause Children is a slice...
> @youngyangyang04 您好，我在运行代码的时候遇到了这个问题。请问应该怎么解决呀？  是不是服务端没有跑起来，可以netstat -tpl|grep 8085看下有没有端口在不在监听