title: ipatool failed with an exception: #<CmdSpec::NonZeroExcitException: Command exited with pid 29483 exit 1:
body: <p><a href="https://i.stack.imgur.com/5NfjI.png" rel="noreferrer"><img src="https://i.stack.imgur.com/5NfjI.png" alt="enter image description here"></a></p>
  
  <p>ipatool failed with an exception: #
  
  <p>Stderr:
      Traceback (most recent call last):
        File "", line 1, in 
      AttributeError: 'str' object has no attribute 'decode'</p>
  
  <p>Xcode10.1，Objective-C</p>