x

@@ -41,7 +41,10 @@ trait RedisQuery {
     public function get($key, $default=null)
     {
         $data = $this->getClient()->get($key);
-        if($data === null){
+        if($data === false){
+            if($default instanceof \Closure){
+                return $default();
+            }
             return $default;
         }
         return $this->unserialize($data);

@@ -286,7 +286,16 @@ class SyncMail {
                         $p++;
 
                         foreach ($uids as $k=>$uid){
-                            if($this->db->cache(86400*30,false)->value(listsSql::first(dbWhere(['email_id'=>$this->emailId(),'folder_id'=>$folder_id,'uid'=>$uid]),'count(*) as c'))){
+
+                            $has = redis()->get('h_'.$folder_id.'_'.$uid,function () use ($folder_id,$uid){
+                                $num = $this->db->value(listsSql::first(dbWhere(['email_id'=>$this->emailId(),'folder_id'=>$folder_id,'uid'=>$uid]),'count(*) as c'));
+                                if($num){
+                                    redis()->set('h_'.$folder_id.'_'.$uid,1,86400);
+                                }
+                                return $num;
+                            });
+
+                            if($has){
                                 unset($uids[$k]);
                             }
                         }