Order book display delayed

Stacks address:SPK2TMMHZW3DZN3SABTR35JBRKJYM01GGW0BRSW2
Descriptions:I change btc pair to alex/xusd pair ,the order book didn’t change,remains btc/xusd pair for several minutes.
Screenshot:

Discord ID: gardexs#3955

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Thanks for the feedback. We will look into the details.