diff --git a/components/auto-complete/index.tsx b/components/auto-complete/index.tsx
index 9fac6d62b4..cc0f567b7b 100755
--- a/components/auto-complete/index.tsx
+++ b/components/auto-complete/index.tsx
@@ -26,6 +26,7 @@ export interface AutoCompleteProps extends AbstractSelectProps {
   value?: SelectValue;
   defaultValue?: SelectValue;
   dataSource?: DataSourceItemType[];
+  backfill?: boolean;
   optionLabelProp?: string;
   onChange?: (value: SelectValue) => void;
   onSelect?: (value: SelectValue, option: Object) => any;