JJF

Results 2 issues of JJF

### Version 2.4.2 ### Reproduction link [https://jsfiddle.net/c8Ldrbqy/4/](https://jsfiddle.net/c8Ldrbqy/4/) ### Steps to reproduce The mouse wheel slides down to work normally, slides up to not work, and no error is reported from...

平台: server: "egg": "^2.15.1", "egg-scripts": "^2.11.0", "egg-socket.io": "^4.1.6" client: "socket.io-client": "^2.2.0" 自定义命名空间在配置了默认命名空间 '/' 情况下 ![image](https://user-images.githubusercontent.com/43066752/82173781-0704e600-9901-11ea-922b-6a4e49c31861.png) 客户端创建两条连接时(非默认命名空间)如下 ![image](https://user-images.githubusercontent.com/43066752/82173905-7aa6f300-9901-11ea-9dfa-9ae46f302143.png) ![image](https://user-images.githubusercontent.com/43066752/82173920-88f50f00-9901-11ea-8595-07c97db74061.png) 非默认命名空间的连接 会通过 默认命名空间(‘/’)的中间件 并创建 与 当前连接 相同的id的 socket 进程并会 非法获取 非默认命名空间的参数 ![image](https://user-images.githubusercontent.com/43066752/82174511-85fb1e00-9903-11ea-99ff-f23a475a3502.png)...

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