If the SMS verification code in the candidate area is automatically filled in, it cannot be closed.

The closing method is as follows: 1. Open the message and click two points in the upper right corner. 2. Click Settings. 3. Turn on the verification code security protection.

SMS is a part of unified communication service plan. Users can directly send or receive text or digital information through mobile phones or other telecommunication terminals. The number of characters that users can send and receive short messages at a time is 160 English, numeric characters or 70 Chinese characters.