优化

@@ -46,7 +46,7 @@ class listsSql {
         }elseif (is_numeric($where)) {
             $where = dbWhere(['id' => $where]);
         }
-        foreach ([self::$table,"lists_back","lists_hot"] as $table) {
+        foreach ([self::$table,"lists_back",/* "lists_hot" */] as $table) {
             $sql =  "select {$filed} from `".$table."` where ".$where.' limit 1';
             if($throw){
                 $data = $db->throw($throw)->first($sql);
@@ -75,6 +75,7 @@ class listsSql {
             $sql =  "select max(`uid`) as `mc` from `".$table."` where ".$where;
             $data = $db->value($sql);
             if($data) {
+                return $data;
                 $uid = max($uid, $data);
             }
         }