Concurrent model deletions cause abnormal query result

Concurrent model deletions will throw NPE by the API /kylin/api/tables/project_tables.

4fa383f6-6231-85af-227a-62580883c72f /kylin/api/tables/project_tables This request comes in and fetches the list of models once, which contains the AUTO _ MODEL_V_PDR_F_CUST_ in the second red box. BAL_SUM_1C253CDC6D0145DE907A8B47DF592DC6_84, when the request /project_tables execution to the third red box of the getStorageSize method, and at this time the model has been deleted, but previously obtained the model list contains the model, so at this time the data is null. The data retrieved is null, and a null popup appears on the interface.