diff --git a/src/com/lxyer/excel/poi/ExcelKit.java b/src/com/lxyer/excel/poi/ExcelKit.java
index 7b5765f..ece7363 100644
--- a/src/com/lxyer/excel/poi/ExcelKit.java
+++ b/src/com/lxyer/excel/poi/ExcelKit.java
@@ -235,9 +235,9 @@ public class ExcelKit {
             List<Map> maps = readExcel(sheet, fields, lastRowNum);
 
             //move head
-            if (lastRowNum < 0 && maps.size() > 0) {
+            /*if (lastRowNum < 0 && maps.size() > 0) {
                 maps.remove(0);
-            }
+            }*/
             data.put(sheet.getSheetName(), maps);
         }
         return data;
@@ -358,13 +358,27 @@ public class ExcelKit {
 
     private static Workbook getWorkbook(File file) throws IOException {
         Workbook wk;
+        FileInputStream fis = new FileInputStream(file);
         try {
-            wk = new HSSFWorkbook(new FileInputStream(file));//if excel version 2007+ will throws OfficeXmlFileException
+            wk = new HSSFWorkbook(fis);//if excel version 2007+ will throws OfficeXmlFileException
         } catch (OfficeXmlFileException e) {
-            wk = new XSSFWorkbook(new FileInputStream(file));
+            wk = new XSSFWorkbook(fis);
+        } finally {
+            if (fis != null) {
+                try {
+                    fis.close();
+                } catch (Exception e) {
+                    //e.printStackTrace();
+                }
+            }
         }
 
         return wk;
     }
 
+    //dev
+    public void setWorkbook(File file) {
+
+    }
+
 }