制作了动态库，放到ipa文件里面去
install_name_tool -change /Library/Frameworks/CydiaSubstrate.framework/CydiaSubstrate @loader_path/libsubstrate.dylib qqAngel.dylib
/Users/joe/Desktop/逆向安装包/将dylib注入到macho的工具/yololib QQ qqAngel.dylib
重签名后，安装到手机上点击打开闪退。
Exception Type: EXC_CRASH (SIGABRT)
Exception Codes: 0x, 0x
Exception Note: EXC_CORPSE_NOTIFY
Termination Description: DYLD, Library not loaded: @executable_path/Frameworks/libsubstrate.dylib | Referenced from: /var/containers/Bundle/Application/0A5D0588-5A5B-4F59-B3D8-0A416163B460/QQ.app/qqAngel.dylib | Reason: no suitable image found. Did find: | /usr/lib/libsubstrate.dylib: file system sandbox blocked stat()
Triggered by Thread: 0
万恶的Library not loaded、no suitable image found。
注意@executable_path/Frameworks/libsubstrate.dylib，而我写的是@loader_path/libsubstrate.dylib，会不会是这里原因呢？
解决了：把libsubstrate.dylib复制一个到/Frameworks/libsubstrate.dylib下可以了