diff --git a/pmapi/src/main/java/com/ningdatech/pmapi/common/util/ExcelDownUtil.java b/pmapi/src/main/java/com/ningdatech/pmapi/common/util/ExcelDownUtil.java
index 6e75a44..11b3ca3 100644
--- a/pmapi/src/main/java/com/ningdatech/pmapi/common/util/ExcelDownUtil.java
+++ b/pmapi/src/main/java/com/ningdatech/pmapi/common/util/ExcelDownUtil.java
@@ -215,7 +215,7 @@ public class ExcelDownUtil {
                 String columnValue;
                 if (ExportOptionEnum.preliminaryPlanFile.equals(column)
                         || ExportOptionEnum.supportingMaterialsFile.equals(column)){
-                    String fileStr = String.valueOf(jsonObject.get(column.toString()));
+                    String fileStr = jsonObject.getString(column.toString());
                     if (Objects.isNull(fileStr) || CommonConst.NULL.equals(fileStr)){
                         return;
                     }
@@ -223,7 +223,7 @@ public class ExcelDownUtil {
                     List<String> nameList = CollUtils.fieldList(fileArray, w -> w.getString(CommonConst.FILE_NAME));
                     columnValue = nameList.stream().collect(Collectors.joining(StrPool.COMMA));
                 }else {
-                    columnValue = String.valueOf(jsonObject.get(column.toString()));
+                    columnValue = jsonObject.getString(column.toString());
                 }
                 columnValues.add(columnValue);
             });