diff --git a/adc-da-report/src/main/java/com/adc/da/report/service/impl/IReportServiceImpl.java b/adc-da-report/src/main/java/com/adc/da/report/service/impl/IReportServiceImpl.java
index 6a1e5a3..0e49633 100644
--- a/adc-da-report/src/main/java/com/adc/da/report/service/impl/IReportServiceImpl.java
+++ b/adc-da-report/src/main/java/com/adc/da/report/service/impl/IReportServiceImpl.java
@@ -1,6 +1,7 @@
 package com.adc.da.report.service.impl;
 
 import com.adc.da.login.util.CommonUtils;
+import com.adc.da.report.constant.ReportConstants;
 import com.adc.da.report.dao.mysql.FileDao;
 import com.adc.da.report.dao.mysql.ReportDao;
 import com.adc.da.report.dao.mysql.ReportLabelDao;
@@ -228,15 +229,17 @@ public class IReportServiceImpl extends ServiceImpl<ReportDao, ReportEntity>
                 c.setFileType(null);
             }
             //ppt文件
-            else if ("ppt".equals(fileEntity.getFileType().toLowerCase()) || "pptx".equals(fileEntity.getFileType())) {
+            else if (ReportConstants.FILE_EXTENSIONS_PPT.equalsIgnoreCase(fileEntity.getFileType()) ||
+                     ReportConstants.FILE_EXTENSIONS_PPTX.equalsIgnoreCase(fileEntity.getFileType())) {
                 c.setFileType("1");
             }
             //excel文件
-            else if ("xls".equals(fileEntity.getFileType().toLowerCase()) || "xlsx".equals(fileEntity.getFileType())) {
+            else if (ReportConstants.FILE_EXTENSIONS_XLS.equalsIgnoreCase(fileEntity.getFileType()) ||
+                     ReportConstants.FILE_EXTENSIONS_XLSX.equalsIgnoreCase(fileEntity.getFileType())) {
                 c.setFileType("2");
             }
             //pdf文件
-            else if ("pdf".equals(fileEntity.getFileType().toLowerCase())) {
+            else if (ReportConstants.FILE_EXTENSIONS_PDF.equalsIgnoreCase(fileEntity.getFileType())) {
                 c.setFileType("3");
             }
             //word文件
@@ -258,6 +261,12 @@ public class IReportServiceImpl extends ServiceImpl<ReportDao, ReportEntity>
         return list;
     }
 
+    /**
+     * 找出报告的所有标签中最长的那条路径
+     *
+     * @param id
+     * @return
+     */
     private List<String> findLabelList(String id) {
         LambdaQueryWrapper<ReportLabelEntity> wrapper = new LambdaQueryWrapper<>();
         wrapper.eq(ReportLabelEntity::getReportId, id);