diff --git a/src/views/enterpriseStandardLibrary/check/CheckList.vue b/src/views/enterpriseStandardLibrary/check/CheckList.vue
index 151fda35..61da34b1 100644
--- a/src/views/enterpriseStandardLibrary/check/CheckList.vue
+++ b/src/views/enterpriseStandardLibrary/check/CheckList.vue
@@ -381,13 +381,13 @@ export default {
           return
         }
         if (typeof window.navigator.msSaveBlob !== 'undefined') {
-          window.navigator.msSaveBlob(new Blob([data], { type: 'application/vnd.ms-excel' }), fileName + '.xls')
+          window.navigator.msSaveBlob(new Blob([data], { type: 'application/vnd.ms-excel' }), fileName + '.xlsx')
         } else {
           const url = window.URL.createObjectURL(new Blob([data], { type: 'application/vnd.ms-excel' }))
           const link = document.createElement('a')
           link.style.display = 'none'
           link.href = url
-          link.setAttribute('download', fileName + '.xls')
+          link.setAttribute('download', fileName + '.xlsx')
           document.body.appendChild(link)
           link.click()
           document.body.removeChild(link) // 下载完成移除元素
@@ -424,13 +424,13 @@ export default {
           return
         }
         if (typeof window.navigator.msSaveBlob !== 'undefined') {
-          window.navigator.msSaveBlob(new Blob([data], { type: 'application/vnd.ms-excel' }), fileName + '.xls')
+          window.navigator.msSaveBlob(new Blob([data], { type: 'application/vnd.ms-excel' }), fileName + '.xlsx')
         } else {
           const url = window.URL.createObjectURL(new Blob([data], { type: 'application/vnd.ms-excel' }))
           const link = document.createElement('a')
           link.style.display = 'none'
           link.href = url
-          link.setAttribute('download', fileName + '.xls')
+          link.setAttribute('download', fileName + '.xlsx')
           document.body.appendChild(link)
           link.click()
           document.body.removeChild(link) // 下载完成移除元素