1. First, in the opened mobile phone, open the flush software, as shown in the figure below.

2. Then open the main interface of the flush software, click the trading sign below, select the brokerage firm, and enter the user name.

3. After logging in, click the cancel sign indicated by the arrow in the new interface.

4. After recovering the documents, click the client to recover the documents, as shown in the figure below.

5. Finally click OK to confirm the cancellation, as shown in the figure below.