diff --git a/src/views/MessagePage/modules/UnderStudyFilesModal.vue b/src/views/MessagePage/modules/UnderStudyFilesModal.vue
index f30a8e2..1119bfd 100644
--- a/src/views/MessagePage/modules/UnderStudyFilesModal.vue
+++ b/src/views/MessagePage/modules/UnderStudyFilesModal.vue
@@ -26,7 +26,7 @@
 
         <!--        时间戳转时间-->
         <template slot="time" slot-scope="text">
-          <j-ellipsis :value="text.indexOf('-') === -1 ? processingTimestamp(text) : text" :length="20"></j-ellipsis>
+          <j-ellipsis :value="text.toString().indexOf('-') === -1 ? processingTimestamp(text) : text" :length="20"></j-ellipsis>
         </template>
 
         <!--          操作-->