> For the complete documentation index, see [llms.txt](https://support.backpack.exchange/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://support.backpack.exchange/support-docs/cn/qian-bao/ji-shu-wen-dang/deeplinks/provider-fang-fa/disconnect-duan-kai-lian-jie.md).

# Disconnect（断开连接）

在完成首次[connect](/support-docs/cn/qian-bao/ji-shu-wen-dang/deeplinks/provider-fang-fa/connect-lian-jie.md)（连接）事件后，应用可以在任何时候断开与 Backpack 的连接。一旦断开连接，Backpack 将拒绝所有签名请求，直到建立新的连接。

## **基础 URL**

```
https://backpack.app/ul/v1/disconnect
```

## **查询字符串参数**

* `dapp_encryption_public_key`（必填）：用于现有连接会话的原始加密公钥。
* `nonce`（必填）：用于加密请求的 base58 编码随机数。
* `redirect_link`（必填）：操作完成后，Backpack 应将用户重定向至该 URI。详情请参阅[Specifying Redirects](/support-docs/cn/qian-bao/ji-shu-wen-dang/deeplinks/specifying-redirects-zhi-ding-zhong-ding-xiang.md)。需进行 URL 编码。
* `payload`（必填）：加密的 JSON 字符串，包含以下字段：

```json
{
  "session": "...", // 来自 connect 方法的 token
}
```

`session`（必填）：通过 Connect 方法接收到的会话凭证。有关详细信息，请参阅 [Handling Sessions](/support-docs/cn/qian-bao/ji-shu-wen-dang/deeplinks/handling-sessions-hui-hua-chu-li.md)。

## **返回值**

### Approve（同意）

无查询参数返回。

### Reject（拒绝）

错误情况会以 `errorCode` 和 `errorMessage` 作为查询参数返回。

请参阅[Errors](/support-docs/cn/qian-bao/ji-shu-wen-dang/deeplinks/limitations-xian-zhi.md#errors-cuo-wu-chu-li)获取完整错误码列表。

```json
{
  "errorCode": "...",
  "errorMessage": "..."
}
```


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