diff --git a/orm/db_alias.go b/orm/db_alias.go
index 369802a711..177927875d 100644
--- a/orm/db_alias.go
+++ b/orm/db_alias.go
@@ -467,3 +467,7 @@ func newStmtDecoratorLruWithEvict() *lru.Cache {
 	})
 	return cache
 }
+
+func ResetDataBaseCache() {
+	dataBaseCache = &_dbCache{cache: make(map[string]*alias)}
+}