diff --git a/intc-modules/intc-fishery/src/main/java/com/intc/fishery/service/impl/MessageWarnServiceImpl.java b/intc-modules/intc-fishery/src/main/java/com/intc/fishery/service/impl/MessageWarnServiceImpl.java
index 5824bd4..47877b2 100644
--- a/intc-modules/intc-fishery/src/main/java/com/intc/fishery/service/impl/MessageWarnServiceImpl.java
+++ b/intc-modules/intc-fishery/src/main/java/com/intc/fishery/service/impl/MessageWarnServiceImpl.java
@@ -8,15 +8,12 @@ import com.intc.common.mybatis.core.page.PageQuery;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.core.toolkit.Wrappers;
+import com.intc.fishery.domain.*;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Service;
 import com.intc.fishery.domain.bo.MessageWarnBo;
 import com.intc.fishery.domain.vo.MessageWarnVo;
-import com.intc.fishery.domain.MessageWarn;
-import com.intc.fishery.domain.AquUser;
-import com.intc.fishery.domain.Device;
-import com.intc.fishery.domain.Pond;
 import com.intc.fishery.mapper.MessageWarnMapper;
 import com.intc.fishery.service.IMessageWarnService;
 
@@ -113,6 +110,7 @@ public class MessageWarnServiceImpl implements IMessageWarnService {
             .eq(bo.getIsRead() != null, MessageWarn::getIsRead, bo.getIsRead())
             .eq(bo.getWarnType() != null, MessageWarn::getWarnType, bo.getWarnType())
             .like(StringUtils.isNotBlank(bo.getPondName()), MessageWarn::getPondName, bo.getPondName())
+            .orderByAsc(bo.getUserId() != null, MessageWarn::getIsRead)
             .orderByDesc(MessageWarn::getCreateTime);
 
         // 处理额外的查询参数
diff --git a/intc-modules/intc-iot/src/main/java/com/intc/iot/controller/IotController.java b/intc-modules/intc-iot/src/main/java/com/intc/iot/controller/IotController.java
index cc6c855..a28f970 100644
--- a/intc-modules/intc-iot/src/main/java/com/intc/iot/controller/IotController.java
+++ b/intc-modules/intc-iot/src/main/java/com/intc/iot/controller/IotController.java
@@ -971,8 +971,8 @@ public class IotController extends BaseController {
             Map<String, Object> deviceProperties = iotDeviceService.queryDeviceProperties(iotId);
 
             // 初始化警告码：默认探头未校准 (OxyDetectorNoCorrect)
-            int warnCode = DefineDeviceWarnCode.OxyDetectorNoCorrect;
-
+//            int warnCode = DefineDeviceWarnCode.OxyDetectorNoCorrect;
+            int warnCode = DefineDeviceWarnCode.None;
             // 如果设备离线，添加设备离线警告
             if (status != null && "OFFLINE".equalsIgnoreCase(status)) {
                 warnCode |= DefineDeviceWarnCode.DeviceOffline;
@@ -1400,9 +1400,8 @@ public class IotController extends BaseController {
             // 获取设备属性
             Map<String, Object> deviceProperties = iotDeviceService.queryDeviceProperties(iotId);
 
-            // 初始化警告码：默认探头未校准 (0x0001)
-            int warnCode = 0x0001;
-
+            // 初始化警告码
+            int warnCode = DefineDeviceWarnCode.None;
             // 查询该用户已有水质检测仪的名称，找到第一个不冲突的序号
             java.util.List<Device> existDevices = deviceMapper.selectList(
                 new com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper<Device>()
diff --git a/intc-modules/intc-iot/src/main/java/com/intc/iot/handler/DeviceDataHandler.java b/intc-modules/intc-iot/src/main/java/com/intc/iot/handler/DeviceDataHandler.java
index 2331514..5495449 100644
--- a/intc-modules/intc-iot/src/main/java/com/intc/iot/handler/DeviceDataHandler.java
+++ b/intc-modules/intc-iot/src/main/java/com/intc/iot/handler/DeviceDataHandler.java
@@ -1996,13 +1996,22 @@ public class DeviceDataHandler {
      */
     private void handleSensorErrorCode(String deviceName, JSONObject params) {
         try {
-            Integer rawCode = params.getInt("sensorErrorCode");
-            if (rawCode == null) {
-                // 部分设备/数据包不携带此字段，属于正常情况
-                log.debug("[探头错误码] 设备上报数据不包含 sensorErrorCode 字段: {}", deviceName);
+            // 判断字段是否存在
+            if (!params.containsKey("sensorErrorCode")) {
                 return;
             }
-            int sensorErrorCode = rawCode;
+            // 字段存在但为空字符串时，视为无故障（0），清除探头相关告警位
+            Object rawValue = params.get("sensorErrorCode");
+            int sensorErrorCode;
+            if (rawValue == null || "".equals(rawValue.toString().trim())) {
+                sensorErrorCode = 0;
+            } else {
+                Integer parsed = params.getInt("sensorErrorCode");
+                if (parsed == null) {
+                    return;
+                }
+                sensorErrorCode = parsed;
+            }
 
             // 查询设备，需要 id / warnCode / isOxygenUsed / pondId / deadTime
             Device device = deviceMapper.selectOne(