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 1ce3b6e..a5c1771 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
@@ -475,37 +475,21 @@ public class IReportServiceImpl extends ServiceImpl<ReportDao, ReportEntity>
         }
 
         String html = null;
-        switch (fileEntity.getFileType()) {
-            //03excel
-            case "xls":
-                html = ExcelUtil.excel03Html(new FileInputStream(path));
-                break;
-            //07excel
-            case "xlsx":
-                html = ExcelUtil.excel07Html(new FileInputStream(path));
-                break;
-            //03word
-            case "doc":
-                html = WordUtil.doc2pdf(new FileInputStream(path), uploadFile, ipAddress);
-                break;
-            //07word
-            case "docx":
-                html = WordUtil.doc2pdf(new FileInputStream(path), uploadFile, ipAddress);
-                break;
-            //03ppt
-            case "ppt":
-                html = PptUtil.doPpt2003toImage(new FileInputStream(path), uploadFile, ipAddress);
-                break;
-            //07ppt
-            case "pptx":
-                html = PptUtil.doPpt2007toImage(new FileInputStream(path), uploadFile, ipAddress);
-                break;
-            //pdf
-            case "pdf":
-                html = PdfUtil.pdfStreamToPng(new FileInputStream(path), uploadFile, ipAddress);
-                break;
-            default:
-                break;
+
+        if (ReportConstants.FILE_EXTENSIONS_XLS.equalsIgnoreCase(fileEntity.getFileType())) {
+            html = ExcelUtil.excel03Html(new FileInputStream(path));
+        } else if (ReportConstants.FILE_EXTENSIONS_XLSX.equalsIgnoreCase(fileEntity.getFileType())) {
+            html = ExcelUtil.excel07Html(new FileInputStream(path));
+        } else if (ReportConstants.FILE_EXTENSIONS_DOC.equalsIgnoreCase(fileEntity.getFileType())) {
+            html = WordUtil.doc2pdf(new FileInputStream(path), uploadFile, ipAddress);
+        } else if (ReportConstants.FILE_EXTENSIONS_DOCX.equalsIgnoreCase(fileEntity.getFileType())) {
+            html = WordUtil.doc2pdf(new FileInputStream(path), uploadFile, ipAddress);
+        } else if (ReportConstants.FILE_EXTENSIONS_PPT.equalsIgnoreCase(fileEntity.getFileType())) {
+            html = PptUtil.doPpt2003toImage(new FileInputStream(path), uploadFile, ipAddress);
+        } else if (ReportConstants.FILE_EXTENSIONS_PPTX.equalsIgnoreCase(fileEntity.getFileType())) {
+            html = PptUtil.doPpt2007toImage(new FileInputStream(path), uploadFile, ipAddress);
+        } else if (ReportConstants.FILE_EXTENSIONS_PDF.equalsIgnoreCase(fileEntity.getFileType())) {
+            html = PdfUtil.pdfStreamToPng(new FileInputStream(path), uploadFile, ipAddress);
         }
         FileUtil.deleteFile(path);
         return html;