diff --git a/types/tootip/tooltip.d.ts b/types/tootip/tooltip.d.ts
index 5dee1bdf1..ec7ebc554 100644
--- a/types/tootip/tooltip.d.ts
+++ b/types/tootip/tooltip.d.ts
@@ -12,6 +12,6 @@ export declare class Tooltip extends AntdComponent {
      * The text shown in the tooltip
      * @type any (string | slot)
      */
-    title: VNodeChild | JSX.Element;
+    title?: VNodeChild | JSX.Element;
   } & TooltipCommon;
 }