diff --git a/inside-notices/src/main/java/cn/axzo/msg/center/message/service/replay/RequestReplayService.java b/inside-notices/src/main/java/cn/axzo/msg/center/message/service/replay/RequestReplayService.java
index f321073a..1167f3a7 100644
--- a/inside-notices/src/main/java/cn/axzo/msg/center/message/service/replay/RequestReplayService.java
+++ b/inside-notices/src/main/java/cn/axzo/msg/center/message/service/replay/RequestReplayService.java
@@ -68,7 +68,8 @@ public class RequestReplayService {
         RequestReplay replay = new RequestReplay();
         replay.setTemplateCode(requestInfo.getTemplateCode());
         replay.setBizCode(requestInfo.getBizCode());
-        replay.setSubBizCode(requestInfo.getSubBizCode());
+        String subBizCode = requestInfo.getSubBizCode();
+        replay.setSubBizCode(subBizCode == null ? "" : subBizCode);
         replay.setType(requestInfo.getReplayType());
         replay.setHash(hash);
         replay.setRequest(JSON.parseObject(JSON.toJSONString(requestInfo.getRequest())));