diff --git a/packages/fineui/typescript/widget/timeinterval/timeinterval.ts b/packages/fineui/typescript/widget/timeinterval/timeinterval.ts
index 3f57695a4..d9596e4fd 100644
--- a/packages/fineui/typescript/widget/timeinterval/timeinterval.ts
+++ b/packages/fineui/typescript/widget/timeinterval/timeinterval.ts
@@ -12,6 +12,7 @@ export declare class TimeInterval extends Single {
         maxDate?: string;
         supportDynamic?: boolean;
         watermark?: string;
+        simple?: boolean;
     } & Single['props']
 
     getValue(): {