v2 调整

@@ -37,6 +37,8 @@ class Home extends Base {
 
         $folder_ids   =   app()->request('folder_ids',[],['intval','abs']);
 
+        $udate = app()->request('udate',0,'intval');
+
         $where = ['email_id'    =>  $this->getEmail('id')];
 
         foreach ($folder_ids as $k=>$folder_id){
@@ -60,11 +62,17 @@ class Home extends Base {
         //目录
         $where['folder_id'] = $folder_ids;
 
+
+        $sql = "`id` > ".$last_id;
+        if(!$last_id && $udate){
+            $sql = "`udate` >= ".$udate;
+        }
+
         $lists = db()->all(
             sprintf(
-                "select `id`,`subject`,`from`,`from_name`,`seen`,`udate`,`email_id` from `%s` where `id` > %d and %s order by `id` asc limit %d"
+                "select `id`,`subject`,`from`,`from_name`,`seen`,`udate`,`email_id` from `%s` where %s and %s order by `id` asc limit %d"
                 ,listsSql::$table
-                ,$last_id
+                ,$sql
                 ,dbWhere($where)
                 ,$limit
             )