Dumpdecrypted砸壳失败,求教

我用dumpdecrypted砸壳,报错dyld: could not load inserted library ‘dumpdecrypted.dylib’ because no suitable image found. Did find:
dumpdecrypted.dylib: required code signature missing for ‘dumpdecrypted.dylib’

/private/var/mobile/Containers/Data/Application/69E1EFA7-86DD-4D55-8F59-6D83D6974A23/Documents/dumpdecrypted.dylib: required code signature missing for '/private/var/mobile/Containers/Data/Application/69E1EFA7-86DD-4D55-8F59-6D83D6974A23/Documents/dumpdecrypted.dylib'

我的微信在手机里的可执行的文件目录/var/containers/Bundle/Application/6A0A9377-9C98-426B-9BED-08AE81DC2DF2/WeChat.app/WeChat , 我觉得这个文件的路径是不是有问题,var/mobile/Containers,正常的都会有一个mobile, 还是因为重签名的问题?谢谢