1.An empty identity is not valid when signing a binary for the product type 'Dynamic Library'.

error: An empty identity is not valid when signing a binary for the product type 'Dynamic Library'. (in target 'DingTweak' from project 'DingTweak')
warning: Traditional headermap style is no longer supported; please migrate to using separate headermaps and set 'ALWAYS_SEARCH_USER_PATHS' to NO. (in target 'DingTweak' from project 'DingTweak')

解决方法：
Building Settings ---> Add User-Defined Setting ---> CODE_SIGNING_ALLOWED=NO

2.ld:building for iOS, but linking in .tbd file

ld:building for iOS, but linking in .tbd file (/opt/theos/vendor/lib/CydiaSubstrate.framework/CydiaSubstrate.tbd) built for iOS Simulator, file '/opt/theos/vendor/lib/CydiaSubstrate.framework/CydiaSubstrate.tbd' for architecture arm64

解决方法：

用Sublime Text 3打开/opt/theos/vendor/lib/CydiaSubstrate.framework/CydiaSubstrate.tbd 删掉i386,x86_64指令集然后保存