diff --git a/src/cache.ts b/src/cache.ts
index 180e049..f633de1 100644
--- a/src/cache.ts
+++ b/src/cache.ts
@@ -31,6 +31,6 @@ export default function cache (fn: (str: any) => any): (str: any) => any {
   return function cachedFn (this: any) {
     const str = arguments[0]
     const hit = cache[str]
-    return cache.hasOwnProperty(str) ? hit : (cache[str] = fn.apply(this, arguments))
+    return cache.hasOwnProperty(str) ? hit : (cache[str] = fn.apply(this, arguments as any))
   }
 }
diff --git a/src/debounce.ts b/src/debounce.ts
index 0fcc726..6608aec 100644
--- a/src/debounce.ts
+++ b/src/debounce.ts
@@ -11,7 +11,7 @@
  * window.addEventListener('resize', debounce(function () { console.log(this) }, 100))
  */
 export default function debounce (
-  func: () => void,
+  func: (...args: any[]) => void,
   wait: number = 50
 ): (...args: any[]) => void {
   let timer: any = null