diff --git a/business/jxstore/cms/store.go b/business/jxstore/cms/store.go
index e401b6464..94982a49e 100644
--- a/business/jxstore/cms/store.go
+++ b/business/jxstore/cms/store.go
@@ -1294,6 +1294,9 @@ func SaveStoresVendorSnapshot(db *dao.DaoDB, snapshotAt time.Time, curSnapshotLi
 			}
 		}
 	}()
+	if err = dao.DeleteVendorStoreSnapshot(db, snapshotAt.Add(-48*time.Hour)); err != nil {
+		return err
+	}
 	for _, v := range curSnapshotList {
 		v.SnapshotAt = snapshotAt
 
diff --git a/business/model/dao/store.go b/business/model/dao/store.go
index a98fcfaf0..5ec3626c6 100644
--- a/business/model/dao/store.go
+++ b/business/model/dao/store.go
@@ -284,3 +284,12 @@ func GetVendorStoreSnapshot(db *DaoDB, excludeSnapshotAt time.Time) (snapshotLis
 	err = GetRows(db, &snapshotList, sql, time.Now().Add(-48*time.Hour), excludeSnapshotAt)
 	return snapshotList, err
 }
+
+func DeleteVendorStoreSnapshot(db *DaoDB, minSnapshotAt time.Time) (err error) {
+	_, err = ExecuteSQL(db, `
+	DELETE t1
+	FROM vendor_store_snapshot t1
+	WHERE t1.snapshot_at < ?
+	`, minSnapshotAt)
+	return err
+}