How to prevent blacklists from sending short messages?

The steps to prevent blacklists from sending short messages are as follows:

Operating environment: glory V30PRO, MagicUI4.0.

1. Open the information in your mobile phone, click on the three points in the upper right corner and then click SAO Ran Intercept.

2. Then click the interception rule below.

3. Then click on the keyword blacklist.

4. Click+Add at the bottom.

5, enter keywords, you can completely reject blacklisted SMS.