擅长:python、mysql、java
<p>可能是因为谷歌的数据存储索引还没有更新。稍等一会儿,它应该可以工作了。谷歌对此进行了解释<a href="https://developers.google.com/appengine/docs/python/gettingstartedpython27/uploading" rel="nofollow">here</a></p>
<blockquote>
<p>Note: The Datastore Indexes may take some time to generate before your application is available. You will receive a NeedIndexError when accessing your app if the indexes are still in the process of being generated. This is a transient error for the example, so try a little later if at first you receive this exception.</p>
</blockquote>