diff --git a/packages/x6-common/src/dom/event/types.ts b/packages/x6-common/src/dom/event/types.ts
index 98dbb634bbb..6ffc2f9f0f6 100644
--- a/packages/x6-common/src/dom/event/types.ts
+++ b/packages/x6-common/src/dom/event/types.ts
@@ -729,7 +729,7 @@ type TypeEventHandlersBase<TDelegateTarget, TData, TCurrentTarget, TTarget> = {
     TCurrentTarget,
     TTarget
   >]?:
-    | TypeEventHandler<TDelegateTarget, TData, TCurrentTarget, TTarget, TType>
+    | TypeEventHandler<TDelegateTarget, TData, TCurrentTarget, TTarget, string>
     | false
     | Record<string, unknown>
 }