fix

app/Transformers/MetaTransformer.php

@@ -36,7 +36,6 @@ class MetaTransformer extends TransformerAbstract
             "trans_id" => $meta['trans_id'],
             "zip" => $meta['zip'],
             "md5" => $meta['md5'],
-            "trans_id" => $meta['trans_id'],
             "block_height" => $meta['block_height'],
             "block_time" => $meta['block_time'],
             "qrcode" => env('OSS_URL').'chsy/qrcodes/'.$meta['patch_num'].'.png',