PathAuto bug

I find that the service 3.0 is not Compatible with pathauto module
when I used webservice to retrieve the taxonomy information, but it doesn't contains pathAuto information
http://www.1ju.org/rest/taxonomy/19

<?xml version="1.0" encoding="utf-8"?>
191MagazineMagazine<format/>0category<meta_description/>Magazinekeywords

then I update the taxonomy using returned information
the path of the taxonomy will lost,

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