发布时报错，求大神指点

[fy-t]

具体错误如下：
是因为包含了libidn.a文件的问题，这个问题怎么解决啊？
The session's status is FAILED and the error description is 'Client unable to connect to server (check UDP port and firewall) (15)'
ERROR ITMS-90171: "Invalid Bundle Structure - The binary file ‘xxx.app/assets/xmppFrameWork/Vendor/libidn/libidn.a' is not permitted. Your app can’t contain standalone executables or libraries, other than the CFBundleExecutable of supported bundles. Refer to the Bundle Programming Guide at https://developer.apple.com/go/?id=bundle-structure for information on the iOS app bundle structure."