diff --git a/extend/base/Excel.php b/extend/base/Excel.php
index e096a5bd30363a1321d5ed967bd9b3c33c48c7fb..9703caf325a83ef5b17bea4a2c4d338904a9395f 100755
--- a/extend/base/Excel.php
+++ b/extend/base/Excel.php
@@ -81,7 +81,7 @@ class Excel
 		$this->warap_text = isset($params['warap_text']) ? intval($params['warap_text']) : 1;
 
 		// excel写入类型
-		$this->writer_type = empty($params['writer_type']) ? 'Excel2007' : trim($params['writer_type']);
+		$this->writer_type = empty($params['writer_type']) ? 'Excel5' : trim($params['writer_type']);
 
 		// 引入PHPExcel类库
 		require ROOT.'extend'.DS.'phpexcel'.DS.'PHPExcel.php';