# 调用DEX如何修改授权数量

#### 1、调用钱包授权，点击编辑权限（首次调用会出现该授权，若已全授权，请先取消原授权，再进行操作。取消方法详见《如何查看/取消已授权的币种》教程）

<figure><img src="https://2206151930-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F0IiInwiM4M18NK0ZFzYk%2Fuploads%2Fpg6feO1HVtX6Ndjyu3vk%2F%E5%9B%BE%E7%89%875.png?alt=media&#x26;token=476a0629-3475-4e48-8584-0d84f14780b3" alt=""><figcaption></figcaption></figure>

#### 2、输入自定义额度数量，保存

<figure><img src="https://2206151930-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F0IiInwiM4M18NK0ZFzYk%2Fuploads%2FyPtcXvJK6HYTzZqkWHVc%2F%E5%9B%BE%E7%89%876.png?alt=media&#x26;token=bc673fbb-0bbf-4bfd-bca3-c17564370f83" alt=""><figcaption></figcaption></figure>

#### 3、查看交易细节，核对信息是是否正确。确认后进行交易

<figure><img src="https://2206151930-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F0IiInwiM4M18NK0ZFzYk%2Fuploads%2FmsfORKQPFx0YSNbGHvWe%2F%E5%9B%BE%E7%89%877.png?alt=media&#x26;token=ecd533e1-4a40-4ff1-a193-82ed16743fc7" alt=""><figcaption></figcaption></figure>