解决：target overrides the `GCC_PREPROCESSOR_DEFINITIONS`

[!] Please close any current Xcode sessions and use `******.xcworkspace` for this project from now on.
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Pod installation complete! There are 13 dependencies from the Podfile and 14 total pods installed.

[!] The `aaaaaaa [Release]` target overrides the `GCC_PREPROCESSOR_DEFINITIONS` build setting defined in `******.release.xcconfig'. This can lead to problems with the CocoaPods installation
    - Use the `$(inherited)` flag, or
    - Remove the build settings from the target.

[!] The `aaaaaaa [Release]` target overrides the `GCC_PREPROCESSOR_DEFINITIONS` build setting defined in `******.release.xcconfig'. This can lead to problems with the CocoaPods installation
    - Use the `$(inherited)` flag, or
    - Remove the build settings from the target.

解决：

　　我们应该继承而不应该覆盖cocoa pods的预编译宏选项，应该保证debug和release下都有$(inherited)