diff --git a/business/src/main/java/com/fizz/business/comm/OPC/OpcMessageSend.java b/business/src/main/java/com/fizz/business/comm/OPC/OpcMessageSend.java
index 3dc0614..c1effdd 100644
--- a/business/src/main/java/com/fizz/business/comm/OPC/OpcMessageSend.java
+++ b/business/src/main/java/com/fizz/business/comm/OPC/OpcMessageSend.java
@@ -1,13 +1,10 @@
 package com.fizz.business.comm.OPC;
 
-import com.fizz.business.constants.enums.ExitCutTypeEnum;
 import com.fizz.business.domain.msg.OpcMessage;
 import com.fizz.business.domain.msg.PdiSetup;
 import com.kangaroohy.milo.model.ReadWriteEntity;
 import com.kangaroohy.milo.service.MiloService;
 import lombok.extern.log4j.Log4j2;
-import org.apache.commons.beanutils.BeanUtils;
-import org.apache.commons.compress.utils.Lists;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
 import org.springframework.stereotype.Service;
 
@@ -37,6 +34,33 @@ public class OpcMessageSend {
 
     }
 
+    /**
+     * 单独写入当前钢卷号到 OPC
+     * 使用 pdiSetupIds 中 coilId 对应的节点
+     */
+    public void sendCoilId(String coilId) {
+        try {
+            String coilNode = pdiSetupIds.entrySet().stream()
+                    .filter(e -> "coilId".equals(e.getValue()))
+                    .map(Map.Entry::getKey)
+                    .findFirst()
+                    .orElse(null);
+            if (coilNode == null) {
+                log.warn("未找到 coilId 对应的 OPC 节点，写入跳过");
+                return;
+            }
+            List<ReadWriteEntity> entities = new ArrayList<>();
+            entities.add(ReadWriteEntity.builder()
+                    .identifier(coilNode)
+                    .value(coilId)
+                    .build());
+            miloService.writeToOpcUa(entities);
+            log.info("写入 OPC coilId 成功，node={} value={}", coilNode, coilId);
+        } catch (Exception e) {
+            log.error("写入 OPC coilId 失败，coilId={}，原因：{}", coilId, e.getMessage(), e);
+        }
+    }
+
     private List<ReadWriteEntity> getWriteEntities(OpcMessage msg, Map<String,String> msgIds) {
         List<ReadWriteEntity> entities = new ArrayList<>();
         for (String key : msgIds.keySet()) {
diff --git a/business/src/main/java/com/fizz/business/constants/enums/L1OperateMatEnum.java b/business/src/main/java/com/fizz/business/constants/enums/L1OperateMatEnum.java
index 21c1ca2..70b7179 100644
--- a/business/src/main/java/com/fizz/business/constants/enums/L1OperateMatEnum.java
+++ b/business/src/main/java/com/fizz/business/constants/enums/L1OperateMatEnum.java
@@ -5,10 +5,11 @@ import com.baomidou.mybatisplus.annotation.IEnum;
 import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonValue;
 import com.fizz.business.form.ChangePlanStatusForm;
+import com.fizz.business.constants.enums.PlanStatusEnum;
 import com.fizz.business.form.L1OperateMatForm;
 import com.fizz.business.service.CrmPdiPlanService;
-import com.fizz.business.service.client.RedisCacheManager;
-import com.fizz.business.service.impl.BeanFactory;
+import com.fizz.business.comm.OPC.OpcMessageSend;
+import com.fizz.business.service.TrackService;
 import com.fizz.business.utils.MatmapUtil;
 import com.fizz.business.utils.WebSocketUtil;
 import com.fizz.business.vo.CrmPdiPlanVO;
@@ -56,6 +57,14 @@ public enum L1OperateMatEnum implements IEnum<String>, IOperateMat<L1OperateMatF
         @Override
         public void operate(L1OperateMatForm form) {
             PRODUCING.syncPlanStatus(form.getPlanId(),form.getEntryMatId());
+            // L1 指令将计划置为 PRODUCING 时，写入钢卷号到 OPC
+            try {
+                if (form.getEntryMatId() != null) {
+                    BeanFactory.getBean(OpcMessageSend.class).sendCoilId(form.getEntryMatId());
+                }
+            } catch (Exception e) {
+                log.error("写入 OPC coilId 失败, coilId={}", form.getEntryMatId(), e);
+            }
 
             WebSocketUtil.sendSignalMsg(form);
         }
diff --git a/business/src/main/java/com/fizz/business/service/impl/TrackServiceImpl.java b/business/src/main/java/com/fizz/business/service/impl/TrackServiceImpl.java
index b83df2d..1f754f6 100644
--- a/business/src/main/java/com/fizz/business/service/impl/TrackServiceImpl.java
+++ b/business/src/main/java/com/fizz/business/service/impl/TrackServiceImpl.java
@@ -13,6 +13,7 @@ import com.fizz.business.form.AdjustPosForm;
 import com.fizz.business.form.L1OperateMatForm;
 import com.fizz.business.form.WebOperateMatForm;
 import com.fizz.business.service.CrmPdiPlanService;
+import com.fizz.business.comm.OPC.OpcMessageSend;
 import com.fizz.business.service.ProMatmapService;
 import com.fizz.business.service.TrackService;
 import com.fizz.business.service.client.RedisCacheManager;
@@ -52,6 +53,9 @@ public class TrackServiceImpl implements TrackService {
     @Autowired
     CrmPdiPlanService crmPdiPlanService;
 
+    @Autowired
+    OpcMessageSend opcMessageSend;
+
     @Override
     public void webOperateMat(WebOperateMatForm form) {
 
@@ -234,6 +238,10 @@ public class TrackServiceImpl implements TrackService {
                 // 判断当前计划状态，如果是ONLINE，需要变更为PRODUCING
                 CrmPdiPlanVO plan = crmPdiPlanService.getByCoilIdAndOperId(curr.getMatId());
                 if (Objects.equals(plan.getStatus(), ONLINE.name())) {
+                    // ONLINE -> PRODUCING 时写入钢卷号到 OPC
+                    if (curr.getMatId() != null) {
+                        opcMessageSend.sendCoilId(curr.getMatId());
+                    }
                     webOperateMat(WebOperateMatForm.builder()
                             .operation(WebOperateMatEnum.PRODUCING)
                             .entryMatId(curr.getMatId())