diff --git a/src/net/tccn/kit/poi/ExcelKit.java b/src/net/tccn/kit/poi/ExcelKit.java
index 0071495..7e8dbae 100644
--- a/src/net/tccn/kit/poi/ExcelKit.java
+++ b/src/net/tccn/kit/poi/ExcelKit.java
@@ -1,7 +1,6 @@
 package net.tccn.kit.poi;
 
 import org.apache.poi.poifs.filesystem.OfficeXmlFileException;
-import org.apache.poi.ss.formula.functions.T;
 import org.apache.poi.ss.usermodel.*;
 import org.apache.poi.xssf.streaming.SXSSFWorkbook;
 
@@ -304,7 +303,8 @@ public class ExcelKit {
                 }
 
                 if (cell.getCellType() == CellType.NUMERIC) {
-                    map.put(fields[j], cell.getNumericCellValue() + "");
+                    double v = cell.getNumericCellValue();
+                    map.put(fields[j], (v%1 == 0 ? (long)v : v + ""));
                 } else {
                     map.put(fields[j], cell.getStringCellValue());
                 }
@@ -346,7 +346,8 @@ public class ExcelKit {
                 }
 
                 if (cell.getCellType() == CellType.NUMERIC) {
-                    map.put(field, cell.getNumericCellValue() + "");
+                    double v = cell.getNumericCellValue();
+                    map.put(field, (v%1 == 0 ? (long)v : v + ""));
                 } else {
                     map.put(field, cell.getStringCellValue());
                 }