From e4f42ba047fd0ed90c0925afaa17930aa17bcf83 Mon Sep 17 00:00:00 2001
From: xy <748613696@qq.com>
Date: Sat, 13 Jun 2026 11:34:30 +0800
Subject: [PATCH] =?UTF-8?q?fix(device):=20=E8=A7=A3=E5=86=B3=E8=A3=85?=
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- 添加了项目存在性检查逻辑
- 当未找到装置绑定的项目时抛出业务异常
- 提供了重新绑定的错误提示信息
---
 .../com/njcn/access/service/impl/CsDeviceServiceImpl.java     | 4 ++++
 1 file changed, 4 insertions(+)

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());