install_name_tool -change /Library/Frameworks/CydiaSubstrate.framework/CydiaSubstrate @loader_path/libsubstrate.dylib DingTalkHelper.dylib unzip dingtalk.ipa -d dingtalk cp libsubstrate.dylib DingTalkHelper.dylib dingtalk/Payload/DingTalk.app 删watch /path/to/optool install -c load -p "@executable_path/DingTalkHelper.dylib" -t dingtalk/Payload/DingTalk.app/DingTalk