{"errcode":40029,"errmsg":"invalid code, rid: 64e77605-7654ce90-5b5bb0fc"}

根据引用中的内容，错误消息{"errcode":40029,"errmsg":"invalid code, rid: 64e77605-7654ce90-5b5bb0fc"}表明你提供的code无效。可能原因是该code已经被使用过，所以你需要重新获取一个有效的code。根据引用中的内容，在获取用户的openid时，参数一定要拼接在URL连接上，否则会报错。所以请确保你正确地将参数拼接到URL上。另外，根据引用中的内容，你还需要发送encryptedData、errMsg、iv和code这些值给后端进行测试，通过code获取有效的openid和session_key。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
- *1* [关于微信小程序的支付开发：40013错误](https://download.csdn.net/download/weixin_38590790/16213652)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v93^chatsearchT3_1"}}] [.reference_item style="max-width: 33.333333333333336%"]
- *2* [Android 调用微信登录出现 错误提示：{"errcode":40029,"errmsg":"invalid code"} 原因](https://blog.csdn.net/iteye_380/article/details/82652158)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v93^chatsearchT3_1"}}] [.reference_item style="max-width: 33.333333333333336%"]
- *3* [微信小程序 报错errcode: 40029, errmsg: “invalid code](https://blog.csdn.net/qq_37916164/article/details/115523755)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v93^chatsearchT3_1"}}] [.reference_item style="max-width: 33.333333333333336%"]
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