The short message sent by the National Museum failed.

If there is illegal content, send it to the SMS channel for congestion.

1. The short message sent by the National Museum contains illegal content and special symbols, which is intercepted by the short message sending platform or operator and forcibly blocked, so it will fail to be sent.

2. The short message sending failure of National Museum will occur during holidays or a short message sending peak period, which will lead to the busy channel of the operator's system and delay the sending.