diff --git a/src/views/documentTool/documentSplit/DocumentSplitDetail.vue b/src/views/documentTool/documentSplit/DocumentSplitDetail.vue
index 5e48353..9d3913b 100644
--- a/src/views/documentTool/documentSplit/DocumentSplitDetail.vue
+++ b/src/views/documentTool/documentSplit/DocumentSplitDetail.vue
@@ -614,7 +614,8 @@ export default {
      * 导出
      */
     handleExportXls () {
-      const fileName = this.$route.query.infoNumber + ' ' + this.$route.query.standardName
+      // 防止文件名长度导致文件打不开
+      const fileName = (this.$route.query.infoNumber + ' ' + this.$route.query.standardName).slice(0, 50)
       const fileSuffix = '.zip'
       const param = {}
       if (this.selectedRowKeys && this.selectedRowKeys.length > 0) {