diff --git a/iot-access/access-boot/src/main/java/com/njcn/access/service/impl/CsDeviceServiceImpl.java b/iot-access/access-boot/src/main/java/com/njcn/access/service/impl/CsDeviceServiceImpl.java
index 6c9dbab..3f37dc6 100644
--- a/iot-access/access-boot/src/main/java/com/njcn/access/service/impl/CsDeviceServiceImpl.java
+++ b/iot-access/access-boot/src/main/java/com/njcn/access/service/impl/CsDeviceServiceImpl.java
@@ -569,6 +569,10 @@ public class CsDeviceServiceImpl implements ICsDeviceService {
     @Transactional(rollbackFor = Exception.class)
     public String onlineRegister(String projectId,String nDid) {
         String result = "fail";
+        CsLedger csLedger = csLedgerService.getById(projectId);
+        if (csLedger == null) {
+            throw new BusinessException("未找到装置绑定的项目，请重新绑定");
+        }
         // 根据模板接入装置
         LogMessage logDto = new LogMessage();
         logDto.setUserIndex(RequestUtil.getUserNickname());