diff --git a/sample-form-manager/src/main/java/com/mortals/xhx/module/device/service/DeviceMatterDatumService.java b/sample-form-manager/src/main/java/com/mortals/xhx/module/device/service/DeviceMatterDatumService.java
index 7097d80c73392c2d0941d06fa3d854e6308751ca..3dc658069392b7c3aa5c26bb61f8ffb84a1f9965 100644
--- a/sample-form-manager/src/main/java/com/mortals/xhx/module/device/service/DeviceMatterDatumService.java
+++ b/sample-form-manager/src/main/java/com/mortals/xhx/module/device/service/DeviceMatterDatumService.java
@@ -1,14 +1,19 @@
 package com.mortals.xhx.module.device.service;
+
 import com.mortals.framework.service.ICRUDService;
+import com.mortals.xhx.module.device.dao.DeviceMatterDatumDao;
 import com.mortals.xhx.module.device.model.DeviceMatterDatumEntity;
+
 /**
-* DeviceMatterDatumService
-*
-* 设备事项申请材料业务 service接口
-*
-* @author zxfei
-* @date 2023-02-25
-*/
-public interface DeviceMatterDatumService extends ICRUDService<DeviceMatterDatumEntity,Long>{
+ * DeviceMatterDatumService
+ * <p>
+ * 设备事项申请材料业务 service接口
+ *
+ * @author zxfei
+ * @date 2023-02-25
+ */
+public interface DeviceMatterDatumService extends ICRUDService<DeviceMatterDatumEntity, Long> {
+
 
+    DeviceMatterDatumDao getDao();
 }
\ No newline at end of file
diff --git a/sample-form-manager/src/main/java/com/mortals/xhx/module/device/service/impl/DeviceMatterDatumServiceImpl.java b/sample-form-manager/src/main/java/com/mortals/xhx/module/device/service/impl/DeviceMatterDatumServiceImpl.java
index 1a0e97aa48bf47075486d6e0a0e1a77ad3d1f574..991650e45c50c4c459e3b4017dec4e6a83e90fdb 100644
--- a/sample-form-manager/src/main/java/com/mortals/xhx/module/device/service/impl/DeviceMatterDatumServiceImpl.java
+++ b/sample-form-manager/src/main/java/com/mortals/xhx/module/device/service/impl/DeviceMatterDatumServiceImpl.java
@@ -1,6 +1,7 @@
 package com.mortals.xhx.module.device.service.impl;
 import com.mortals.framework.model.PageInfo;
 import com.mortals.xhx.module.device.model.DeviceEntity;
+import com.mortals.xhx.module.device.model.DeviceMatterDatumQuery;
 import com.mortals.xhx.module.device.service.DeviceService;
 import com.mortals.xhx.module.matter.model.MatterDatumEntity;
 import com.mortals.xhx.module.matter.model.MatterDatumQuery;
@@ -55,6 +56,11 @@ public class DeviceMatterDatumServiceImpl extends AbstractCRUDServiceImpl<Device
     @Override
     protected void saveBefore(DeviceMatterDatumEntity entity, Context context) throws AppException {
         super.saveBefore(entity, context);
+        int count = this.getDao().getCount(new DeviceMatterDatumQuery().deviceId(entity.getDeviceId()).matterId(entity.getMatterId()));
+        if(count>0){
+            throw new AppException("当前设备关联事项已存在，不能新增！");
+        }
+
         //entity.getMatterId()
         if(!ObjectUtils.isEmpty(entity.getMatterId())){
             MatterEntity matterEntity = matterService.get(entity.getMatterId());
diff --git a/sample-form-manager/src/main/java/com/mortals/xhx/module/device/web/DeviceMatterDatumController.java b/sample-form-manager/src/main/java/com/mortals/xhx/module/device/web/DeviceMatterDatumController.java
index c8ed17a43bf92bd42c84930f3aa2ef1b65ba5cbe..51aded148c4f8eac127b2ede215bc885322069e1 100644
--- a/sample-form-manager/src/main/java/com/mortals/xhx/module/device/web/DeviceMatterDatumController.java
+++ b/sample-form-manager/src/main/java/com/mortals/xhx/module/device/web/DeviceMatterDatumController.java
@@ -2,6 +2,7 @@ package com.mortals.xhx.module.device.web;
 import com.mortals.framework.exception.AppException;
 import com.mortals.framework.web.BaseCRUDJsonBodyMappingController;
 import com.mortals.xhx.base.system.param.service.ParamService;
+import com.mortals.xhx.module.device.model.DeviceMatterDatumQuery;
 import com.mortals.xhx.module.matter.model.MatterDatumEntity;
 import com.mortals.xhx.module.matter.model.MatterDatumQuery;
 import com.mortals.xhx.module.matter.service.MatterDatumService;
@@ -17,12 +18,10 @@ import com.mortals.xhx.module.device.model.DeviceMatterDatumEntity;
 import com.mortals.xhx.module.device.service.DeviceMatterDatumService;
 import org.apache.commons.lang3.ArrayUtils;
 import com.mortals.framework.util.StringUtils;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
+
+import java.util.*;
 import java.util.stream.Collectors;
 import com.alibaba.fastjson.JSONObject;
-import java.util.Arrays;
 import org.springframework.web.bind.annotation.*;
 import org.springframework.web.multipart.MultipartFile;
 import static com.mortals.framework.ap.SysConstains.*;
@@ -55,6 +54,20 @@ public class DeviceMatterDatumController extends BaseCRUDJsonBodyMappingControll
     }
 
 
+    @Override
+    protected void batchSaveBefore(List<DeviceMatterDatumEntity> list, Map<String, Object> model, Context context) throws AppException {
+        Iterator<DeviceMatterDatumEntity> iterator = list.iterator();
+        while (iterator.hasNext()) {
+            DeviceMatterDatumEntity next = iterator.next();
+            int count = this.service.getDao().getCount(new DeviceMatterDatumQuery().deviceId(next.getDeviceId()).matterId(next.getMatterId()));
+            if(count>0){
+                iterator.remove();
+            }
+        }
+
+        super.batchSaveBefore(list, model, context);
+    }
+
     @Override
     protected int infoAfter(Long id, Map<String, Object> model, DeviceMatterDatumEntity entity, Context context) throws AppException {
         List<MatterDatumEntity> matterDatumEntities = matterDatumService.find(new MatterDatumQuery().matterId(entity.getMatterId()));