diff --git a/fastbee-common/src/main/java/com/fastbee/common/core/redis/RedisKeyBuilder.java b/fastbee-common/src/main/java/com/fastbee/common/core/redis/RedisKeyBuilder.java
index 6820483a..91114794 100644
--- a/fastbee-common/src/main/java/com/fastbee/common/core/redis/RedisKeyBuilder.java
+++ b/fastbee-common/src/main/java/com/fastbee/common/core/redis/RedisKeyBuilder.java
@@ -57,6 +57,7 @@ public class RedisKeyBuilder {
     /**
      * 物模型缓存key（产品级）
      * 物模型命名空间：Key:TSL:{productId}  hkey: identity  value: thingsModel
+     * TSL:222
      */
     public static String buildTSLCacheKey(Long productId) {
         return FastBeeConstant.REDIS.TSL_PRE_KEY + productId;
@@ -65,6 +66,7 @@ public class RedisKeyBuilder {
     /**
      * 设备级计算物模型缓存key
      * 物模型命名空间：Key:TSLD:{SerialNumber}  hkey: identity  value: thingsModel
+     * TSLD:D199Y030XTSQ
      */
     public static String buildDeviceTSLCacheKey(String serialNumber) {
         return FastBeeConstant.REDIS.TSLD_PRE_KEY + serialNumber;
diff --git a/fastbee-iot-data/src/main/java/com/fastbee/iot/data/push/ThingsModelPushHandler.java b/fastbee-iot-data/src/main/java/com/fastbee/iot/data/push/ThingsModelPushHandler.java
index 1d5e37d9..06ade0fc 100644
--- a/fastbee-iot-data/src/main/java/com/fastbee/iot/data/push/ThingsModelPushHandler.java
+++ b/fastbee-iot-data/src/main/java/com/fastbee/iot/data/push/ThingsModelPushHandler.java
@@ -206,12 +206,12 @@ public class ThingsModelPushHandler {
         List<String> varNames = extractVarNames(msgParams.getContent());
 
         Map<String, String> map = new LinkedHashMap<>();
-        String deviceDisplay = StringUtils.isNotEmpty(config.getDeviceName())
-                ? config.getDeviceName() : serialNumber;
+//        String deviceDisplay = StringUtils.isNotEmpty(config.getDeviceName())
+//                ? config.getDeviceName() : serialNumber;
         for (int i = 0; i < varNames.size(); i++) {
             String varName = varNames.get(i);
             if (i == 0) {
-                map.put(varName, deviceDisplay);
+                map.put(varName, serialNumber);
             } else if (i == 1) {
                 map.put(varName, level.getLabel());
             } else if (i == 2) {
diff --git a/fastbee-protocol/fastbee-protocol-collect/src/main/java/com/fastbee/modbus/codec/ModbusProtocol.java b/fastbee-protocol/fastbee-protocol-collect/src/main/java/com/fastbee/modbus/codec/ModbusProtocol.java
index 129f6762..178d31f9 100644
--- a/fastbee-protocol/fastbee-protocol-collect/src/main/java/com/fastbee/modbus/codec/ModbusProtocol.java
+++ b/fastbee-protocol/fastbee-protocol-collect/src/main/java/com/fastbee/modbus/codec/ModbusProtocol.java
@@ -36,6 +36,7 @@ import org.springframework.util.CollectionUtils;
 
 import javax.annotation.Resource;
 import java.util.ArrayList;
+import java.util.Date;
 import java.util.List;
 import java.util.Map;
 import java.util.function.Function;
@@ -107,7 +108,8 @@ public class ModbusProtocol implements IProtocol {
                     //起始地址
                     String address0304 = getCacheModbusAddress(productId, slaveId, code);
                     //读输入、保持寄存器
-                    handleRead0304(deviceData.getSerialNumber(), productId, message, address0304, values, hexDump);
+                    String sn = StringUtils.isEmpty(serialNumber) ? deviceData.getSerialNumber() : serialNumber;
+                    handleRead0304(sn, productId, message, address0304, values, hexDump);
                     break;
                 case Write06:
                 case Write05:
@@ -186,7 +188,7 @@ public class ModbusProtocol implements IProtocol {
     /**
      * 处理读保持寄存器/输入寄存器
      *
-     * @param serialNumber   设备序列号
+     * @param serialNumber   设备序列号(如果是网关设备会找到自身的子设备ID)
      * @param productId      产品id
      * @param message        数据
      * @param address        起始地址
@@ -330,13 +332,14 @@ public class ModbusProtocol implements IProtocol {
             Map<String, ThingsModelValueItem> calculatedModelMap = itslCache.getDeviceCalculatedModelMap(serialNumber);
 
             // 构造 ThingsModelSimpleItem，值为 "0"
+            Date nowDate = DateUtils.getNowDate(); // 统一当前时间
             for (Map.Entry<String, ThingsModelValueItem> entry : calculatedModelMap.entrySet()) {
                 String identifier = entry.getKey();
 
                 ThingsModelSimpleItem simpleItem = new ThingsModelSimpleItem();
                 simpleItem.setId(identifier);
                 simpleItem.setValue("0"); // 初始值设为0，后续在计算环节会重新计算
-                simpleItem.setTs(DateUtils.getNowDate());
+                simpleItem.setTs(nowDate);
                 simpleItem.setCalculated(true);
                 simpleItemList.add(simpleItem);
                 log.debug("=>添加纯计算物模型到上报列表，设备:[{}],标识符:[{}]", serialNumber, identifier);
diff --git a/fastbee-service/fastbee-iot-service/src/main/java/com/fastbee/iot/service/impl/DeviceServiceImpl.java b/fastbee-service/fastbee-iot-service/src/main/java/com/fastbee/iot/service/impl/DeviceServiceImpl.java
index 9c969bb2..c6fda496 100644
--- a/fastbee-service/fastbee-iot-service/src/main/java/com/fastbee/iot/service/impl/DeviceServiceImpl.java
+++ b/fastbee-service/fastbee-iot-service/src/main/java/com/fastbee/iot/service/impl/DeviceServiceImpl.java
@@ -1639,7 +1639,7 @@ public class DeviceServiceImpl implements IDeviceService {
         ILocationService service = locationServiceFactory.getLocationService();
 
         // Modbus设备采用LBS定位（从设备获取经纬度）
-        if (Objects.equals(1, device.getLocationWay()) && FastBeeConstant.PROTOCOL.ModbusRtu.equals(device.getTransport())) {
+        if (/*Objects.equals(1, device.getLocationWay()) && */FastBeeConstant.PROTOCOL.ModbusRtu.equals(device.getTransport())) {
             log.info("Modbus设备采用LBS定位{}", device.getSerialNumber());
             // 将经纬度转换为地址编码 networkAddress
             if (StringUtils.isEmpty(device.getNetworkAddress()) && device.getLongitude() != null && device.getLatitude() != null) {