Problem trying the example .pccap file + my wifi

I am a beginner in oclHashcat. I found problems during cracking my wifi. In order to understand what's happening, I tried with the example .pccap file http://hashcat.net/misc/example_hashes/hashcat.hccap in http://hashcat.net/wiki/doku.php?id=example_hashes

The pw should be hashcat!, but the status of the cmd was EXHAUSTED even "hashcat!" was included in the password list.
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The .bat
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The pw list
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Similar problem occurred during the cracking of my wifi. The pw of it is 123456123. When I used aircrack-ng to crack the file in ".cap" with the same dictionary file, the key could be found successfully. After I converted the .cap file to .pccap through an online converter, and used the .pccap file in oclhashcat with the command
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the result was EXHAUSTED too
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How to fix it? Any help is appreciated !

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