diff --git a/WebContent/Frame/page/tools/dialog/SelectCatalogGrid.jsp b/WebContent/Frame/page/tools/dialog/SelectCatalogGrid.jsp
index dce2e304a..74466d41f 100644
--- a/WebContent/Frame/page/tools/dialog/SelectCatalogGrid.jsp
+++ b/WebContent/Frame/page/tools/dialog/SelectCatalogGrid.jsp
@@ -245,7 +245,7 @@
 	dwTemp.ReadOnly = "1"; //设置是否只读 1:只读 0:可写
 // 	dwTemp.setPageSize(10);  //服务器分页
 	
-	dwTemp.setPageSize(pageSize==null?20:Integer.parseInt(pageSize));
+	dwTemp.setPageSize((pageSize==null||"undefined".equals(pageSize))?20:Integer.parseInt(pageSize));
 	
 	//生成HTMLDataWindow
 	Vector vTemp = dwTemp.genHTMLDataWindow("%");