错如信息如下：
Notice: Undefined variable: data in E:\wwwroot\wuwangni\web\includes\lib_base.php on line 1241
Warning: require(E:/wwwroot/wuwangni/web/languages//common.php) [function.require]: failed to open stream: No such file or directory in E:\wwwroot\wuwangni\web\includes\init.php on line 121
Fatal error: require() [function.require]: Failed opening required 'E:/wwwroot/wuwangni/web/languages//common.php' (include_path='.;E:/wwwroot/wuwangni/web/') in E:\wwwroot\wuwangni\web\includes\init.php on line 121
问题解决：
缓存问题
到temp/static_caches/里删除文件。除了index.htm