fix

api/controllers/CoinController.php

@@ -228,6 +228,7 @@ class CoinController extends BaseController
             $condition[] = [$val_array[0], $val_array[1]];
         }
         $result = ExchangeBusiness::getApiListForIndex(1, 999, $condition);
+        var_dump($result);exit;
         if ($result) {
             $chains = array_unique(array_column($result['data'], 'chain'));
             $chain_quotation = [];

common/business/ExchangeBusiness.php

@@ -261,6 +261,13 @@ class ExchangeBusiness
     public static function getApiListForIndex($page = 1, $limit = 999, $condition = [], $fields = [])
     {
         foreach ($condition as $val) {
+            if($val[1] == 'null'){
+                $data[] = Coin::find()->select('id,sid,icon,name,optional_name,nickname,platform,chain,address as contract_address,treaty')
+                    ->where(['name' => $val[0]])
+                    ->asArray()
+                    ->one();
+                continue;
+            }
             $data[] = Coin::find()->select('id,sid,icon,name,optional_name,nickname,platform,chain,address as contract_address,treaty')
                 ->where(['name' => $val[0]])
                 ->andWhere(['platform' => $val[1]])