pod 一堆关联第三方的地方，简直是狗屎项目。

[lifewahaha]

Base Info for this issue

1. ChatKit Version：0.7.17
2. App-ID: XX
3. Language：Objective-C
4. iOS System Version：iOS10
5. Prototype（是否是真机）：YES
6. Issue Type：Crash、Bug、Enhancement（希望能支持一个新需求）、Q-A

1. How to repeat the problem.

2. Please help me in this way.

[!] CocoaPods could not find compatible versions for pod "FMDB":
In snapshot (Podfile.lock):
FMDB (= 2.7.2, ~> 2.5)

In Podfile:
ChatKit (> 2.3.11) was resolved to 2.3.11, which depends on
FMDB (> 2.6.2)

Specs satisfying the FMDB (= 2.7.2, ~> 2.5), FMDB (~> 2.6.2) dependency were found, but they required a higher minimum deployment target.

3. Here is a Demo.

4. Here is my Debug log