"errcode":40029,"errmsg":"invalid code, rid: 64f6ccf2-30a7fce9-26aa5bca"

根据您提供的引用内容，"errcode":40029,"errmsg":"invalid code, rid: 64f6ccf2-30a7fce9-26aa5bca"是微信网页授权过程中的一个错误信息。这个错误提示了"invalid code"，意味着传递给后端的code无效。代码只能被消费一次，使用后会失效。根据引用中的描述，大小写也是微信网页授权的一个正规操作。因此，有可能导致这个错误的原因是code的大小写问题。检查一下您获取链接上code的方法，是否将code强制处理为小写。这可能是一个小小的疏忽，但会导致微信无法验证code的有效性。请确保将code原样传递给后端开发，不要进行大小写的修改。这样处理后，您应该能够成功解决"errcode":40029的问题。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
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