MobileIron traffic interception

I am trying to do a security checks for a BYOD android app based Mobile@Work, but I can not intercept,even capture the traffic with fiddler(can intercept).

I have try:

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  if I change my wifi proxy to the one not exist,this app is the only one access the internet.

  
  


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  with wireshark monitoring the traffic, the app access the internet with tcp.

  
  


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  then,I installed droidproxy app ,and set the proxy (point to fiddler running on my laptop, proxy type is "HTTP" ),the fiddler showed the traffic and alert "the remote server(x.x.x.x) presented a certificate that did not validate, due to RemoteCertificateNameMismatch,RemoteCertificateChainErrors"

  
  

any methods to intercept the traffic without error mentioned above? pls help.