fix bug

@@ -7,6 +7,7 @@ var $ = require('yoho-jquery'),
 
 var $employ = $('#employ'),
     $employ2 = $('#employ2'),
+    $footer = $('#yoho-footer'),
     statu = 0,
     page = 1,
     dic = {},
@@ -64,7 +65,7 @@ $('.employ span').each(function(index, el) {
             $employ.addClass('hide');
             $employ2.removeClass('hide');
         }
-
+        $footer.removeClass('bottom');
         statu = index;
         page = 1;
         AjaxFlag = 0;