FindChildrenId find children menu ids.

Message Type first number: request/response second number: message type third number: same message type's sort request message type(first number=1).

response message type(first number=2).

MessageBroadcast The message broadcast is used to store users who need to broadcast.

MessageClient The message client is used to store connection information.

MessageHub The message hub is used to maintain the entire message connection.

Redis q redis json value like gorm v2.