edit

main/template/mobile/user/msg.php

@@ -28,7 +28,7 @@ $view
 
         'p' => array
         (
-            'html' => '<{$v.name}><br /><{$v.content && $v.content != null ? $v.content : ""}>',
+            'html' => '<{$v.name}><br /><{$v.content && !strstr($v.content, "null") ? $v.content : ""}>',
             'class' => '<{$v.status == 1 ? "new" : ""}>',
         ),
     )