fix

wallet/controllers/IssueChainController.php

@@ -118,9 +118,9 @@ class IssueChainController extends BaseController
             goto doEnd;
         }
 
-        $chain_model = CoinPlatform::find()->where(['id' => $platform_id])->one();
+        $chain_model = CoinPlatform::find()->where(['id' => $platform_id])->andWhere(['<>', 'chain_id', 0])->one();
         if (false == $chain_model) {
-            $msg = '数据不存在';
+            $msg = '钱包尚未开通一键发币功能，不能设置手续费';
             $code = -1;
             goto doEnd;
         }