diff --git a/hzims-service/equipment/src/main/java/com/hnac/hzims/monitor/server/impl/EquipmentInstanceServiceImpl.java b/hzims-service/equipment/src/main/java/com/hnac/hzims/monitor/server/impl/EquipmentInstanceServiceImpl.java
index 05fc2cf..d86c986 100644
--- a/hzims-service/equipment/src/main/java/com/hnac/hzims/monitor/server/impl/EquipmentInstanceServiceImpl.java
+++ b/hzims-service/equipment/src/main/java/com/hnac/hzims/monitor/server/impl/EquipmentInstanceServiceImpl.java
@@ -50,10 +50,13 @@ public class EquipmentInstanceServiceImpl implements IEquipmentInstanceService {
 		virtualDeviceDTO.setDeviceName(submitAnswerReq.getEmName());
 		// 模型标识根据题目答案获取
 		virtualDeviceDTO.setModelSignage(this.getModelSignageByAnswer(submitAnswerReq));
-		R saveResult = deviceClient.saveVirtualDevice(virtualDeviceDTO);
-		Assert.isTrue(saveResult.isSuccess(),() -> {
-			throw new ServiceException(saveResult.getMsg());
-		});
+		R<Boolean> exist = deviceClient.isDeviceCodeExist(submitAnswerReq.getEmCode());
+		if(exist.isSuccess() && !exist.getData()) {
+			R saveResult = deviceClient.saveVirtualDevice(virtualDeviceDTO);
+			Assert.isTrue(saveResult.isSuccess(),() -> {
+				throw new ServiceException(saveResult.getMsg());
+			});
+		}
 //		Long instanceId = Long.valueOf(String.valueOf(saveResult.getData()));
 //		LambdaUpdateWrapper<EmInfoEntity> luw = Wrappers.<EmInfoEntity>lambdaUpdate()
 //			.set(EmInfoEntity::getDeviceInstanceId, instanceId)