diff --git a/src/utils.js b/src/utils.js
index b91cf442..fa5a33a9 100644
--- a/src/utils.js
+++ b/src/utils.js
@@ -101,7 +101,7 @@ export function sortWeeks(weeks) {
   //将weeks清空并将排序好的值赋给weeks
   const weeksData = []
   if (isContinuityNum(_weeks.map((item) => item.id)) && _weeks.length > 1) {
-    weeksData.push(`${_weeks[0].name} 至 ${_weeks[_weeks.length - 1].name}`)
+    weeksData.push(`${_weeks[0].name} 至 ${_weeks.slice(-1)[0].name}`)
   } else {
     for (var i = 0; i < _weeks.length; i++) {
       weeksData.push(_weeks[i].name)