替换成自己的环信appkey，登录时报错

[yanlieting]

报错如下：
Thread 1 0 0x00000000
error:memory read failed for 0x0

Log输出如下：
[2016/12/6 17:17:43:889]: buildUrl(): http://rs.easemob.com/easemob/server.json?sdk_version=3.1.3&app_key=1108161206115502%23sumslack&file_version=1
2016-12-06 17:17:43.895239 LLWeChat[15205:235489] [Common] _BSMachError: port 430b; (os/kern) invalid capability (0x14) "Unable to insert COPY_SEND"
2016-12-06 17:17:43.895826 LLWeChat[15205:235489] [Common] _BSMachError: port 430b; (os/kern) invalid name (0xf) "Unable to deallocate send right"
[2016/12/6 17:17:53:897]: Http error code: 6
[2016/12/6 17:17:53:897]: Http error function: perform error: Couldn't resolve host name
[2016/12/6 17:17:53:898]: 1 time retry
[2016/12/6 17:17:53:898]: getDnsListFromServer code: 0 response:
(lldb)

[ghost]

你还需要注册一个IM账号，用IM账号去登录

[yanlieting]

注册过，web端新建好的。一登录就挂。
然后用他的key去试，一直报连接服务器失败。