diff --git a/src/utils/index.ts b/src/utils/index.ts
index 840c5df..06756d9 100644
--- a/src/utils/index.ts
+++ b/src/utils/index.ts
@@ -35,7 +35,7 @@ export const parseTime = (
     s: date.getSeconds(),
     a: date.getDay()
   }
-  const timeStr = format.replace(/{([ymdhisa])+}/g, (result, key) => {
+  return format.replace(/{([ymdhisa])+}/g, (result, key) => {
     const value = formatObj[key]
     // Note: getDay() returns 0 on Sunday
     if (key === 'a') {
@@ -43,18 +43,17 @@ export const parseTime = (
     }
     return value.toString().padStart(2, '0')
   })
-  return timeStr
 }
 /**
  * 将秒数格式化成 小时:分钟:秒
  * @param {number} sec
  * @param showSeconds 是否显示秒
  */
-export const sec2TimeStr= (sec: number, showSeconds: boolean = true) => {
-  showSeconds = typeof showSeconds !== 'undefined' ?  showSeconds : true;
-  let t = sec % 60
-  let i = (sec % 3600 - t) / 60
-  let n = Math.floor(sec / 3600)
+export const sec2TimeStr = (sec: number, showSeconds = true) => {
+  showSeconds = typeof showSeconds !== 'undefined' ? showSeconds : true
+  const t = sec % 60
+  const i = (sec % 3600 - t) / 60
+  const n = Math.floor(sec / 3600)
   if (showSeconds) {
     return (n > 9 ? '' + n : '0' + n) + ':' + (i > 9 ? i : '0' + i) + ':' + (t > 9 ? t : '0' + t)
   } else {