diff --git a/src/utils/index.ts b/src/utils/index.ts
index e885f4e..1617d64 100644
--- a/src/utils/index.ts
+++ b/src/utils/index.ts
@@ -97,7 +97,9 @@ export function debounce(fn: Function, delay: number = 500) {
   };
 }
 
-// 节流函数
+/* @param fn 节流函数
+ * @param delay 节流时间
+ */
 export function throttle(fn: Function, delay: number) {
   let timer: any = null;
   return function (...args: any[]) {