How to set the white list of HarmonyOS system?

The method of adding dada knight memory as white list in HarmonyOS system mobile phone;

The first step is to turn on the phone, and then click the SMS icon on the desktop.

Step 2: After entering, click the icon at the top right, and then click the harassment interception.

Step 3: After entering, click SMS blocking rules.

Step 4: After entering, click on the white list.

Step 5: After entering, the HarmonyOS system can set the white list and set it as needed.