How to stop Pinduoduo from sending short messages to reject Pinduoduo's information?

1. Open "Information" and click "Life Service". Click "Pinduoduo" to send a short message. Click on the three points in the upper right corner. You choose to join the blacklist.

2. Open Pinduoduo App to enter the home page, then click the "Personal Center" button in the lower right corner, and then click the "Settings" button. After entering the settings page, click the "Message Receiving Settings" option. Later, we found that the system is turned on by default and cannot be turned off, but the active message can be turned off. Open the "Settings" application of the mobile phone, and then click the "Notification" option. After entering, click the "Pinduoduo" application, and then turn off the "Allow Notification" function.