Linux设置ipv4优先
```csharp vi /etc/gai.conf ``` 找到 下面一行 ```csharp #precedence ::ffff:0:0/96 100 ``` 将其改为(把最前面的#号删除) ```csharp precedence ::ffff:0:0/96 100 ```
```csharp vi /etc/gai.conf ``` 找到 下面一行 ```csharp #precedence ::ffff:0:0/96 100 ``` 将其改为(把最前面的#号删除) ```csharp precedence ::ffff:0:0/96 100 ```