不幸的是，到目前为止，这是不可能的.您可以在Microsoft Azure用户语音页面上对建议进行投票.

Unfortunately, as of now, this is not possible. You can vote up the suggestion on the Microsoft Azure User Voice page.

http://feedback.azure.com/forums/263030-documentdb/suggestions/6693091-be-able-to-do-partial-updates-on-document

Scott Guthrie的博客:

Scott Guthrie's Blog: http://weblogs.asp.net/scottgu/azure-new-documentdb-nosql-service-new-search-service-new-sql-alwayson-vm-template-and-more

以下是Microsoft员工的评论，指出将来的更新中将添加对部分文档更新的支持:

Here is a comment from a Microsoft employee, stating that support for partial document updates will be added in a future update:

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