* add notice for iconv data.

module/testcase/lang/en.php

@@ -148,3 +148,4 @@ $lang->testcase->buttonEdit   = 'Edit';
 $lang->testcase->buttonToList = 'Back';
 
 $lang->testcase->errorEncode = 'No data, please select right encode and upload again!';
+$lang->testcase->noFunction  = 'Iconv and mb_convert_encoding does not exist, you can not turn the data into the desired coding!';

module/testcase/lang/zh-cn.php

@@ -148,3 +148,4 @@ $lang->testcase->buttonEdit   = '编辑';
 $lang->testcase->buttonToList = '返回';
 
 $lang->testcase->errorEncode = '无数据，请选择正确的编码重新上传！';
+$lang->testcase->noFunction  = '不存在iconv和mb_convert_encoding转码方法，不能将数据转成想要的编码！';