diff --git a/kernel/sql/cache.go b/kernel/sql/cache.go
index f9ecaddfd..9b928d726 100644
--- a/kernel/sql/cache.go
+++ b/kernel/sql/cache.go
@@ -70,11 +70,18 @@ func removeBlockCache(id string) {
 	removeRefCacheByDefID(id)
 }
 
+var virtualRefKeywordsCacheTime = time.Now()
+
 func getVirtualRefKeywordsCache() ([]string, bool) {
 	if disabled {
 		return nil, false
 	}
 
+	if 10 < time.Now().Sub(virtualRefKeywordsCacheTime).Minutes() {
+		ClearVirtualRefKeywords()
+		return nil, false
+	}
+
 	if val, ok := memCache.Get("virtual_ref"); ok {
 		return val.([]string), true
 	}