diff --git a/pqs-device/common-device-biz/src/main/java/com/njcn/device/biz/enums/DeviceResponseEnum.java b/pqs-device/common-device-biz/src/main/java/com/njcn/device/biz/enums/DeviceResponseEnum.java
index c6f7588a4..3e56870bc 100644
--- a/pqs-device/common-device-biz/src/main/java/com/njcn/device/biz/enums/DeviceResponseEnum.java
+++ b/pqs-device/common-device-biz/src/main/java/com/njcn/device/biz/enums/DeviceResponseEnum.java
@@ -91,8 +91,8 @@ public enum DeviceResponseEnum {
     QUERY_DEVICE_DATA_EMPTY("A0360","查询终端数据数据为空"),
     SAME_ALARM_STRATEGY("A0361","当前等级策略已存在"),
     LINE_GRADE_INDEX_ERR("A0362","异常等级索引"),
-    LINE_GRADE_LESS("A0363","监测点等级策略缺失")
-
+    LINE_GRADE_LESS("A0363","监测点等级策略缺失"),
+    FLOW_UPDATE("A0364","默认类型必须存在一个")
 
 
 
diff --git a/pqs-device/pq-device/pq-device-boot/src/main/java/com/njcn/device/pq/service/impl/FlowMealServiceImpl.java b/pqs-device/pq-device/pq-device-boot/src/main/java/com/njcn/device/pq/service/impl/FlowMealServiceImpl.java
index bcce56f9e..680d36444 100644
--- a/pqs-device/pq-device/pq-device-boot/src/main/java/com/njcn/device/pq/service/impl/FlowMealServiceImpl.java
+++ b/pqs-device/pq-device/pq-device-boot/src/main/java/com/njcn/device/pq/service/impl/FlowMealServiceImpl.java
@@ -19,6 +19,7 @@ import org.springframework.util.CollectionUtils;
 
 import java.time.LocalDateTime;
 import java.util.List;
+import java.util.Objects;
 
 /**
  * @version 1.0.0
@@ -53,7 +54,7 @@ public class FlowMealServiceImpl extends ServiceImpl<FlowMealMapper, FlowMeal> i
 
     @Override
     public boolean updateRateOfFlowData(FlowMealParam.FlowMealUpdateParam flowMealUpdateParam) {
-        if (flowMealUpdateParam.getType() ==0 ) {
+        if (flowMealUpdateParam.getType() == 0) {
             checkCode(flowMealUpdateParam, true);
         }
         FlowMeal flowMeal = new FlowMeal();
@@ -96,10 +97,18 @@ public class FlowMealServiceImpl extends ServiceImpl<FlowMealMapper, FlowMeal> i
         List<RateOfFlowVO> rateOfFlowFlag = rateOfFlowMapper.getRateOfFlowFlag();
         if (!CollectionUtils.isEmpty(rateOfFlowFlag)) {
             if (flowMealParam.getFlag().equals(DataStateEnum.ENABLE.getCode())) {
-                throw new BusinessException(DeviceResponseEnum.FLOW_FLAG);
+                if (Objects.equals(((FlowMealParam.FlowMealUpdateParam) flowMealParam).getId(), rateOfFlowFlag.get(0).getId())) {
+                    if (Objects.equals(flowMealParam.getName(), rateOfFlowFlag.get(0).getName()) && Objects.equals(flowMealParam.getFlow(), rateOfFlowFlag.get(0).getFlow())) {
+                        throw new BusinessException(DeviceResponseEnum.FLOW_FLAG);
+                    }
+                } else if (!Objects.equals(((FlowMealParam.FlowMealUpdateParam) flowMealParam).getId(), rateOfFlowFlag.get(0).getId())) {
+                    throw new BusinessException(DeviceResponseEnum.FLOW_FLAG);
+                }
+            } else {
+                if (Objects.equals(((FlowMealParam.FlowMealUpdateParam) flowMealParam).getId(), rateOfFlowFlag.get(0).getId())) {
+                    throw new BusinessException(DeviceResponseEnum.FLOW_UPDATE);
+                }
             }
         }
     }
-
-
 }