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@@ -86,7 +86,12 @@ class HotMail {
                 $w = ['email' =>$item['from']];
             }
             // 是否在 预热邮箱中
-            if($this->db->cache(300)->count('select count(*) from `hot_mail` where '.dbWhere($w))){
+            $mkey = md5(dbWhere($w));
+            if(!isset($this->hotEmail[$mkey])){
+                $this->hotEmail[$mkey] = $this->db->count('select count(*) from `hot_mail` where '.dbWhere($w));
+            }
+
+            if(!$this->hotEmail[$mkey]){
 
                 $ret = $this->db->update(listsSql::$table,['is_hots'=>1],dbWhere(['id'=>$item['id']]));
                 echo date('d H:i:s').' ==》 '.$item['id'].':'.$ret."\n";