diff --git a/src/main/java/com/supwisdom/dlpay/bus/service/impl/QrcodeConsumeServiceImpl.java b/src/main/java/com/supwisdom/dlpay/bus/service/impl/QrcodeConsumeServiceImpl.java
index 86c90d2..b4df828 100644
--- a/src/main/java/com/supwisdom/dlpay/bus/service/impl/QrcodeConsumeServiceImpl.java
+++ b/src/main/java/com/supwisdom/dlpay/bus/service/impl/QrcodeConsumeServiceImpl.java
@@ -67,7 +67,7 @@
     String keyBuffer = String.format("%s%04x%02x", HexUtil.encodeHex(bKey), qrcodeKey.getTotpStep() & 0xFFFF, qrcodeKey.getTotpOffset() & 0xFF);
     String key = Base64.encodeBase64URLSafeString(HexUtil.decodeHex(keyBuffer)); //rootkey + step + offset
 
-    final String json = "{\"rootKey\":\"" + key + "\",\"iv\":\"" + qrcodeKey.getIv() + "\",\"offsetSec\":\"" + qrcodeKey.getOffsetSec() + "\"}";
+    final String json = "{\"rootKey\":\"" + key + "\",\"iv\":\"" + qrcodeKey.getIv() + "\",\"prefix\":\"" + qrcodeKey.getPrefix() + "\",\"offsetSec\":\"" + qrcodeKey.getOffsetSec() + "\"}";
     final String encData = AesUtil.encrypt(json, enckey); //用appKey加密
 //    final String decData = AesUtil.decrypt(encData, enckey);
     return encData;