[Plugin: WP Mobile Detector] I have some problem with it

I have some problems with this plugin

Some pages are displayed normally.
On some pages I have a problem with the encoding.
Some pages are not recognized by the plugin and displayed as a full version.

WP Super Cache plugin is used.

[Mon Jan 30 21:46:25 2012] [error] PHP Parse error:  syntax error, unexpected T_STRING in /www/.../wp-mobile-detector/themes/bluesteel-mobile/page.php on line 9
[Mon Jan 30 21:46:25 2012] [error] PHP Warning:  DOMDocument::loadHTML(): Empty string supplied as input in /www/.../wp-mobile-detector/functions.php on line 225
[Mon Jan 30 21:48:01 2012] [error] PHP Warning:  DOMDocument::loadHTML(): Unexpected end tag : ul in Entity, line: 161 in /www/.../wp-mobile-detector/functions.php on line 225
[Mon Jan 30 21:48:19 2012] [error] PHP Warning:  DOMDocument::loadHTML(): ID post-1375 already defined in Entity, line: 334 in /www/.../wp-mobile-detector/functions.php on line 225
[Mon Jan 30 21:48:19 2012] [error] PHP Warning:  DOMDocument::loadHTML(): Tag g:plusone invalid in Entity, line: 340 in /www/.../wp-mobile-detector/functions.php on line 225
[Mon Jan 30 21:48:19 2012] [error] PHP Warning:  DOMDocument::loadHTML(): Attribute class redefined in Entity, line: 344 in /www/.../wp-mobile-detector/functions.php on line 225
[Mon Jan 30 21:48:19 2012] [error] PHP Warning:  DOMDocument::loadHTML(): ID post-1375 already defined in Entity, line: 344 in /www/.../wp-mobile-detector/functions.php on line 225
[Mon Jan 30 21:48:19 2012] [error] PHP Warning:  DOMDocument::loadHTML(): Unexpected end tag : label in Entity, line: 353 in /www/.../wp-mobile-detector/functions.php on line 225
[Mon Jan 30 21:48:19 2012] [error] PHP Warning:  DOMDocument::loadHTML(): Unexpected end tag : label in Entity, line: 357 in /www/.../wp-mobile-detector/functions.php on line 225
[Mon Jan 30 21:48:19 2012] [error] PHP Warning:  DOMDocument::loadHTML(): Unexpected end tag : p in Entity, line: 368 in /www/.../wp-mobile-detector/functions.php on line 225
[Mon Jan 30 21:48:19 2012] [error] PHP Warning:  DOMDocument::loadHTML(): Unexpected end tag : p in Entity, line: 396 in /www/.../wp-mobile-detector/functions.php on line 225
[Mon Jan 30 21:48:43 2012] [error] PHP Warning:  DOMDocument::loadHTML(): Unexpected end tag : ul in Entity, line: 161 in /www/.../wp-mobile-detector/functions.php on line 225

[Remaining log file moderated.]
http://ww.wp.xz.cn/extend/plugins/wp-mobile-detector/