The reason why sending WeChat plus friend tips failed.

The account is illegally used by default, and the account status is temporarily locked; Recently, a large number of accounts have been added. The system defaults to risk operation and will add them later.

First, the situation of adding too many times.

If you add the same friend. When the request is sent 6-8 times in a row and the stack fails verification. The system will no longer accept the request and prompt that sending failed.

Second, the other party has set up a blacklist.

If blacklisted, the system will directly prompt those who have been blacklisted.

Third, the network state is not good.

There may be something wrong with the network signal in your area. The signal used by mobile phones may be 2G, and the upload and download traffic is pitifully slow. It is recommended to try in wifi mode.

Fourth, the other party sets the situation of refusing anyone to add.

Friends are worried that others will add their own numbers, so they are set to refuse anyone to add them. Therefore, you cannot add friends successfully.