diff --git a/business/model/event.go b/business/model/event.go
index cb0c930b1..647203e32 100644
--- a/business/model/event.go
+++ b/business/model/event.go
@@ -39,6 +39,6 @@ func (v *OperateEventDetail) TableIndex() [][]string {
 
 func (*OperateEventDetail) TableUnique() [][]string {
 	return [][]string{
-		[]string{"ThingID", "StoreID"},
+		[]string{"ThingID", "StoreID", "AccessUUID"},
 	}
 }