Can't Xiaomi mobile phone intercept SMS deletion?

Xiaomi's mobile phone intercepts short messages and can delete them. Delete steps are as follows:

1, turn on the phone, find and click the SMS icon.

2. Enter the SMS list and find harassment interception in more options.

3. Click SAO Ran Interception to enter the SMS Interception List.

4. Long press the content of a message, and a check mark will appear behind the message. Click Select All in the upper right corner.

5. Select Delete from the options that pop up below.