fix

wallet/controllers/IssueChainController.php

@@ -204,13 +204,13 @@ class IssueChainController extends BaseController
 
         foreach ($platform as $val) {
             $val->tokens = [];
+            $symbol = [];
             if (!empty($val->exer)) {
                 $node = Yii::$app->params['chain_nodes'][strtoupper($val->platform)];
                 $service = new Chain33Service($node);
                 $funcName = 'GetTokens';
                 $result = $service->getTokens($val->exer, $funcName);
                 if (isset($result['code']) && 0 == $result['code']) {
-                    $symbol = [];
                     foreach ($result['result']['tokens'] as $temp) {
                         $symbol[] = $temp['symbol'];
                     }