Xcode升级到9.3之后pod问题

最近新建了一个项目，然后在终端pod init的时候出现了问题，复制粘贴部分错误信息

MacBook-Pro:testDemo xywy$ pod init

[in /Users/xywy/Desktop]

――― MARKDOWN TEMPLATE ―――――――――――――――――――――――――――――――――――――――――――――――――――――――――――

### Command

```

/Users/xywy/.rbenv/versions/2.5./bin/pod init

```

### Report

* What did you do?

* What did you expect to happen?

* What happened instead?

### Stack

```

   CocoaPods : 1.3.

        Ruby : ruby 2.5.0p0 (-- revision ) [x86_64-darwin16]

    RubyGems : 2.7.

        Host : Mac OS X 10.13. (17E199)

       Xcode : 9.3 (9E145)

         Git : git version 2.15. (Apple Git-)

Ruby lib dir : /Users/xywy/.rbenv/versions/2.5./lib

Repositories : JXSpecRep - http://git.op.xywy.com/liunian/JXSpecRep.git @ dbd2fdbc659cfa2f5be0ea9fff804bebf55139d5

               master - https://github.com/CocoaPods/Specs.git @ cdf75a2286280629271b95daef9e7c6babb3766a

               xywy-liunian-jxpodcocoatest - http://git.op.xywy.com/liunian/JXPodCocoaTest.git @ e72a22fd60f8d56b52a0e8a2b62cdc82c243b964

               xywy-xywyspecs-ios - [email protected]:XYWYSpecs/XYWYSpecs-IOS.git @ 648f4a3682f6179de1c34be26fe9e3e6717d7ec8

               xywy-xywyspecs-xywyspecs-ios - http://git.op.xywy.com/XYWYSpecs/XYWYSpecs-IOS.git @ 4bdf265a245bf6c8b0550ef4793eafba3d0cc0f8

```

### Plugins

```

cocoapods-deintegrate : 1.0.

cocoapods-plugins     : 1.0.

cocoapods-search      : 1.0.

cocoapods-stats       : 1.0.

cocoapods-trunk       : 1.3.

cocoapods-try         : 1.1.

```

最后查阅资料知道，是xcode升级到9.3之后导致的，解决方法是，打开新建的项目，将下面的地方切换到9.3以下