fix #2587: Resolve VAD multithreading issue (#2613)

majic31

2025-08-14 5115a066c971b2380c98f9be168e14869053eda1

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jan    january
feb    february
mar    march
apr    april
jun    june
jul    july
aug    august
sep    september
sept    september
oct    october
nov    november
dec    december