向上兼容

common/business/ExchangeBusiness.php

@@ -511,7 +511,7 @@ class ExchangeBusiness
      */
     public static function getApiListForIndex($page = 1, $limit = 999, $condition = [], $fields = [])
     {
-        if (count($condition[0]) > 1) {
+        if(is_array($condition[0]) && (count($condition[0]) > 1)) {
             foreach ($condition as $val) {
                 if ('null' == $val[1] || 'coin' == $val[1]) {
                     $data[] = Coin::find()->select('id,sid,icon,name,optional_name,nickname,introduce,platform,chain,address as contract_address,treaty')