diff --git a/src/hooks/useRequest.ts b/src/hooks/useRequest.ts
index 8ac4bfe..2d156cc 100644
--- a/src/hooks/useRequest.ts
+++ b/src/hooks/useRequest.ts
@@ -48,7 +48,7 @@ export default function useRequest<T, P = undefined>(
   }
 
   if (options.immediate) {
-    (run as (args: P) => Promise<T | undefined>)({} as P)
+    (run as (args?: P) => Promise<T | undefined>)({} as P)
   }
   return { loading, error, data, run }
 }