diff --git a/src/main/java/com/genersoft/iot/vmp/gb28181/dao/CommonGBChannelMapper.java b/src/main/java/com/genersoft/iot/vmp/gb28181/dao/CommonGBChannelMapper.java
index a264cf747..fabc2e9e5 100644
--- a/src/main/java/com/genersoft/iot/vmp/gb28181/dao/CommonGBChannelMapper.java
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/dao/CommonGBChannelMapper.java
@@ -3,6 +3,9 @@ package com.genersoft.iot.vmp.gb28181.dao;
 import com.genersoft.iot.vmp.gb28181.bean.*;
 import com.genersoft.iot.vmp.gb28181.controller.bean.Extent;
 import com.genersoft.iot.vmp.gb28181.dao.provider.ChannelProvider;
+import com.genersoft.iot.vmp.gb28181.dao.provider.MysqlCommonChannelUpsertProvider;
+import com.genersoft.iot.vmp.gb28181.dao.provider.PostgresStyleCommonChannelUpsertProvider;
+import com.genersoft.iot.vmp.gb28181.dao.provider.H2CommonChannelUpsertProvider;
 import com.genersoft.iot.vmp.service.bean.GPSMsgInfo;
 import com.genersoft.iot.vmp.streamPush.bean.StreamPush;
 import com.genersoft.iot.vmp.web.custom.bean.CameraChannel;
@@ -173,6 +176,12 @@ public interface CommonGBChannelMapper {
     List<CommonGBChannel> queryInListByStatus(List<CommonGBChannel> commonGBChannelList, @Param("status") String status);
 
 
+    @InsertProvider(type = MysqlCommonChannelUpsertProvider.class, method = "batchUpsert", databaseId = "mysql")
+    @InsertProvider(type = PostgresStyleCommonChannelUpsertProvider.class, method = "batchUpsert", databaseId = "postgresql")
+    @InsertProvider(type = PostgresStyleCommonChannelUpsertProvider.class, method = "batchUpsert", databaseId = "kingbase")
+    @InsertProvider(type = H2CommonChannelUpsertProvider.class, method = "batchUpsert", databaseId = "h2")
+    int batchUpsert(@Param("channels") List<CommonGBChannel> channels);
+
     @Insert(" <script>" +
             "INSERT INTO wvp_device_channel (" +
             "gb_device_id," +
diff --git a/src/main/java/com/genersoft/iot/vmp/gb28181/dao/DeviceChannelMapper.java b/src/main/java/com/genersoft/iot/vmp/gb28181/dao/DeviceChannelMapper.java
index d63b30cbe..57f7c916c 100755
--- a/src/main/java/com/genersoft/iot/vmp/gb28181/dao/DeviceChannelMapper.java
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/dao/DeviceChannelMapper.java
@@ -5,6 +5,9 @@ import com.genersoft.iot.vmp.gb28181.bean.DeviceChannel;
 import com.genersoft.iot.vmp.gb28181.bean.DeviceMobilePosition;
 import com.genersoft.iot.vmp.gb28181.controller.bean.ChannelReduce;
 import com.genersoft.iot.vmp.gb28181.dao.provider.DeviceChannelProvider;
+import com.genersoft.iot.vmp.gb28181.dao.provider.MysqlChannelUpsertProvider;
+import com.genersoft.iot.vmp.gb28181.dao.provider.PostgresStyleUpsertProvider;
+import com.genersoft.iot.vmp.gb28181.dao.provider.H2ChannelUpsertProvider;
 import com.genersoft.iot.vmp.web.gb28181.dto.DeviceChannelExtend;
 import org.apache.ibatis.annotations.*;
 import org.springframework.stereotype.Repository;
@@ -196,6 +199,12 @@ public interface DeviceChannelMapper {
     @Update(value = {"UPDATE wvp_device_channel SET status='OFF' WHERE id=#{id}"})
     void offline(@Param("id") int id);
 
+    @InsertProvider(type = MysqlChannelUpsertProvider.class, method = "batchUpsert", databaseId = "mysql")
+    @InsertProvider(type = PostgresStyleUpsertProvider.class, method = "batchUpsert", databaseId = "postgresql")
+    @InsertProvider(type = PostgresStyleUpsertProvider.class, method = "batchUpsert", databaseId = "kingbase")
+    @InsertProvider(type = H2ChannelUpsertProvider.class, method = "batchUpsert", databaseId = "h2")
+    int batchUpsert(@Param("channels") List<DeviceChannel> channels);
+
     @Insert("<script> " +
             "insert into wvp_device_channel " +
             "(device_id, data_type, data_device_id, name, manufacturer, model, owner, civil_code, block, " +
diff --git a/src/main/java/com/genersoft/iot/vmp/gb28181/dao/provider/H2ChannelUpsertProvider.java b/src/main/java/com/genersoft/iot/vmp/gb28181/dao/provider/H2ChannelUpsertProvider.java
new file mode 100644
index 000000000..31e76147c
--- /dev/null
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/dao/provider/H2ChannelUpsertProvider.java
@@ -0,0 +1,25 @@
+package com.genersoft.iot.vmp.gb28181.dao.provider;
+
+import java.util.Map;
+
+public class H2ChannelUpsertProvider {
+
+    public String batchUpsert(Map<String, Object> params) {
+        return "<script>" +
+                "MERGE INTO wvp_device_channel (" +
+                "data_device_id, device_id, data_type, name, manufacturer, model, owner, civil_code, block, " +
+                "address, parental, parent_id, safety_way, register_way, cert_num, certifiable, err_code, end_time, secrecy, " +
+                "ip_address, port, password, status, longitude, latitude, ptz_type, position_type, room_type, use_type, " +
+                "supply_light_type, direction_type, resolution, business_group_id, download_speed, svc_space_support_mod, " +
+                "svc_time_support_mode, create_time, update_time, sub_count, stream_id, has_audio, gps_time, stream_identification, channel_type" +
+                ") KEY (data_device_id, device_id) VALUES " +
+                "<foreach collection='channels' item='item' separator=','>" +
+                "(#{item.dataDeviceId}, #{item.deviceId}, #{item.dataType}, #{item.name}, #{item.manufacturer}, #{item.model}, #{item.owner}, #{item.civilCode}, #{item.block}, " +
+                "#{item.address}, #{item.parental}, #{item.parentId}, #{item.safetyWay}, #{item.registerWay}, #{item.certNum}, #{item.certifiable}, #{item.errCode}, #{item.endTime}, #{item.secrecy}, " +
+                "#{item.ipAddress}, #{item.port}, #{item.password}, #{item.status}, #{item.longitude}, #{item.latitude}, #{item.ptzType}, #{item.positionType}, #{item.roomType}, #{item.useType}, " +
+                "#{item.supplyLightType}, #{item.directionType}, #{item.resolution}, #{item.businessGroupId}, #{item.downloadSpeed}, #{item.svcSpaceSupportMod}," +
+                " #{item.svcTimeSupportMode}, #{item.createTime}, #{item.updateTime}, #{item.subCount}, #{item.streamId}, #{item.hasAudio}, #{item.gpsTime}, #{item.streamIdentification}, #{item.channelType})" +
+                "</foreach>" +
+                "</script>";
+    }
+}
diff --git a/src/main/java/com/genersoft/iot/vmp/gb28181/dao/provider/H2CommonChannelUpsertProvider.java b/src/main/java/com/genersoft/iot/vmp/gb28181/dao/provider/H2CommonChannelUpsertProvider.java
new file mode 100644
index 000000000..58b786f83
--- /dev/null
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/dao/provider/H2CommonChannelUpsertProvider.java
@@ -0,0 +1,29 @@
+package com.genersoft.iot.vmp.gb28181.dao.provider;
+
+import java.util.Map;
+
+public class H2CommonChannelUpsertProvider {
+
+    public String batchUpsert(Map<String, Object> params) {
+        return "<script>" +
+                "MERGE INTO wvp_device_channel (" +
+                "gb_device_id, data_type, data_device_id, create_time, update_time, " +
+                "gb_name, gb_manufacturer, gb_model, gb_owner, gb_civil_code, gb_block, gb_address, " +
+                "gb_parental, gb_parent_id, gb_safety_way, gb_register_way, gb_cert_num, gb_certifiable, " +
+                "gb_err_code, gb_end_time, gb_secrecy, gb_ip_address, gb_port, gb_password, gb_status, " +
+                "gb_longitude, gb_latitude, gb_ptz_type, gb_position_type, gb_room_type, gb_use_type, " +
+                "gb_supply_light_type, gb_direction_type, gb_resolution, gb_business_group_id, " +
+                "gb_download_speed, gb_svc_space_support_mod, gb_svc_time_support_mode, enable_broadcast" +
+                ") KEY (gb_device_id) VALUES " +
+                "<foreach collection='channels' item='item' separator=','>" +
+                "(#{item.gbDeviceId}, #{item.dataType}, #{item.dataDeviceId}, #{item.createTime}, #{item.updateTime}," +
+                "#{item.gbName}, #{item.gbManufacturer}, #{item.gbModel}, #{item.gbOwner}, #{item.gbCivilCode}, #{item.gbBlock}, #{item.gbAddress}," +
+                "#{item.gbParental}, #{item.gbParentId}, #{item.gbSafetyWay}, #{item.gbRegisterWay}, #{item.gbCertNum}, #{item.gbCertifiable}," +
+                "#{item.gbErrCode}, #{item.gbEndTime}, #{item.gbSecrecy}, #{item.gbIpAddress}, #{item.gbPort}, #{item.gbPassword}, #{item.gbStatus}," +
+                "#{item.gbLongitude}, #{item.gbLatitude}, #{item.gbPtzType}, #{item.gbPositionType}, #{item.gbRoomType}, #{item.gbUseType}," +
+                "#{item.gbSupplyLightType}, #{item.gbDirectionType}, #{item.gbResolution}, #{item.gbBusinessGroupId}," +
+                "#{item.gbDownloadSpeed}, #{item.gbSvcSpaceSupportMod}, #{item.gbSvcTimeSupportMode}, #{item.enableBroadcast})" +
+                "</foreach>" +
+                "</script>";
+    }
+}
diff --git a/src/main/java/com/genersoft/iot/vmp/gb28181/dao/provider/MysqlChannelUpsertProvider.java b/src/main/java/com/genersoft/iot/vmp/gb28181/dao/provider/MysqlChannelUpsertProvider.java
new file mode 100644
index 000000000..238d3288c
--- /dev/null
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/dao/provider/MysqlChannelUpsertProvider.java
@@ -0,0 +1,43 @@
+package com.genersoft.iot.vmp.gb28181.dao.provider;
+
+import java.util.Map;
+
+public class MysqlChannelUpsertProvider {
+
+    public String batchUpsert(Map<String, Object> params) {
+        return "<script>" +
+                "INSERT INTO wvp_device_channel (" +
+                "device_id, data_type, data_device_id, name, manufacturer, model, owner, civil_code, block, " +
+                "address, parental, parent_id, safety_way, register_way, cert_num, certifiable, err_code, end_time, secrecy, " +
+                "ip_address, port, password, status, longitude, latitude, ptz_type, position_type, room_type, use_type, " +
+                "supply_light_type, direction_type, resolution, business_group_id, download_speed, svc_space_support_mod, " +
+                "svc_time_support_mode, create_time, update_time, sub_count, stream_id, has_audio, gps_time, stream_identification, channel_type" +
+                ") VALUES " +
+                "<foreach collection='channels' item='item' separator=','>" +
+                "(#{item.deviceId}, #{item.dataType}, #{item.dataDeviceId}, #{item.name}, #{item.manufacturer}, #{item.model}, #{item.owner}, #{item.civilCode}, #{item.block}, " +
+                "#{item.address}, #{item.parental}, #{item.parentId}, #{item.safetyWay}, #{item.registerWay}, #{item.certNum}, #{item.certifiable}, #{item.errCode}, #{item.endTime}, #{item.secrecy}, " +
+                "#{item.ipAddress}, #{item.port}, #{item.password}, #{item.status}, #{item.longitude}, #{item.latitude}, #{item.ptzType}, #{item.positionType}, #{item.roomType}, #{item.useType}, " +
+                "#{item.supplyLightType}, #{item.directionType}, #{item.resolution}, #{item.businessGroupId}, #{item.downloadSpeed}, #{item.svcSpaceSupportMod}," +
+                " #{item.svcTimeSupportMode}, #{item.createTime}, #{item.updateTime}, #{item.subCount}, #{item.streamId}, #{item.hasAudio}, #{item.gpsTime}, #{item.streamIdentification}, #{item.channelType})" +
+                "</foreach>" +
+                "ON DUPLICATE KEY UPDATE " +
+                "name=VALUES(name), manufacturer=VALUES(manufacturer), model=VALUES(model), owner=VALUES(owner), " +
+                "civil_code=VALUES(civil_code), block=VALUES(block), address=VALUES(address), " +
+                "parental=VALUES(parental), parent_id=VALUES(parent_id), safety_way=VALUES(safety_way), " +
+                "register_way=VALUES(register_way), cert_num=VALUES(cert_num), certifiable=VALUES(certifiable), " +
+                "err_code=VALUES(err_code), end_time=VALUES(end_time), secrecy=VALUES(secrecy), " +
+                "ip_address=VALUES(ip_address), port=VALUES(port), password=VALUES(password), " +
+                "status=VALUES(status), longitude=VALUES(longitude), latitude=VALUES(latitude), " +
+                "ptz_type=VALUES(ptz_type), position_type=VALUES(position_type), room_type=VALUES(room_type), " +
+                "use_type=VALUES(use_type), supply_light_type=VALUES(supply_light_type), " +
+                "direction_type=VALUES(direction_type), resolution=VALUES(resolution), " +
+                "business_group_id=VALUES(business_group_id), download_speed=VALUES(download_speed), " +
+                "svc_space_support_mod=VALUES(svc_space_support_mod), " +
+                "svc_time_support_mode=VALUES(svc_time_support_mode), " +
+                "update_time=VALUES(update_time), sub_count=VALUES(sub_count), " +
+                "stream_id=VALUES(stream_id), has_audio=VALUES(has_audio), " +
+                "gps_time=VALUES(gps_time), stream_identification=VALUES(stream_identification), " +
+                "channel_type=VALUES(channel_type)" +
+                "</script>";
+    }
+}
diff --git a/src/main/java/com/genersoft/iot/vmp/gb28181/dao/provider/MysqlCommonChannelUpsertProvider.java b/src/main/java/com/genersoft/iot/vmp/gb28181/dao/provider/MysqlCommonChannelUpsertProvider.java
new file mode 100644
index 000000000..a9275d6a1
--- /dev/null
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/dao/provider/MysqlCommonChannelUpsertProvider.java
@@ -0,0 +1,46 @@
+package com.genersoft.iot.vmp.gb28181.dao.provider;
+
+import java.util.Map;
+
+public class MysqlCommonChannelUpsertProvider {
+
+    public String batchUpsert(Map<String, Object> params) {
+        return "<script>" +
+                "INSERT INTO wvp_device_channel (" +
+                "gb_device_id, data_type, data_device_id, create_time, update_time, " +
+                "gb_name, gb_manufacturer, gb_model, gb_owner, gb_civil_code, gb_block, gb_address, " +
+                "gb_parental, gb_parent_id, gb_safety_way, gb_register_way, gb_cert_num, gb_certifiable, " +
+                "gb_err_code, gb_end_time, gb_secrecy, gb_ip_address, gb_port, gb_password, gb_status, " +
+                "gb_longitude, gb_latitude, gb_ptz_type, gb_position_type, gb_room_type, gb_use_type, " +
+                "gb_supply_light_type, gb_direction_type, gb_resolution, gb_business_group_id, " +
+                "gb_download_speed, gb_svc_space_support_mod, gb_svc_time_support_mode, enable_broadcast" +
+                ") VALUES " +
+                "<foreach collection='channels' item='item' separator=','>" +
+                "(#{item.gbDeviceId}, #{item.dataType}, #{item.dataDeviceId}, #{item.createTime}, #{item.updateTime}," +
+                "#{item.gbName}, #{item.gbManufacturer}, #{item.gbModel}, #{item.gbOwner}, #{item.gbCivilCode}, #{item.gbBlock}, #{item.gbAddress}," +
+                "#{item.gbParental}, #{item.gbParentId}, #{item.gbSafetyWay}, #{item.gbRegisterWay}, #{item.gbCertNum}, #{item.gbCertifiable}," +
+                "#{item.gbErrCode}, #{item.gbEndTime}, #{item.gbSecrecy}, #{item.gbIpAddress}, #{item.gbPort}, #{item.gbPassword}, #{item.gbStatus}," +
+                "#{item.gbLongitude}, #{item.gbLatitude}, #{item.gbPtzType}, #{item.gbPositionType}, #{item.gbRoomType}, #{item.gbUseType}," +
+                "#{item.gbSupplyLightType}, #{item.gbDirectionType}, #{item.gbResolution}, #{item.gbBusinessGroupId}," +
+                "#{item.gbDownloadSpeed}, #{item.gbSvcSpaceSupportMod}, #{item.gbSvcTimeSupportMode}, #{item.enableBroadcast})" +
+                "</foreach>" +
+                "ON DUPLICATE KEY UPDATE " +
+                "gb_name=VALUES(gb_name), gb_manufacturer=VALUES(gb_manufacturer), gb_model=VALUES(gb_model), " +
+                "gb_owner=VALUES(gb_owner), gb_civil_code=VALUES(gb_civil_code), gb_block=VALUES(gb_block), " +
+                "gb_address=VALUES(gb_address), gb_parental=VALUES(gb_parental), gb_parent_id=VALUES(gb_parent_id), " +
+                "gb_safety_way=VALUES(gb_safety_way), gb_register_way=VALUES(gb_register_way), " +
+                "gb_cert_num=VALUES(gb_cert_num), gb_certifiable=VALUES(gb_certifiable), " +
+                "gb_err_code=VALUES(gb_err_code), gb_end_time=VALUES(gb_end_time), gb_secrecy=VALUES(gb_secrecy), " +
+                "gb_ip_address=VALUES(gb_ip_address), gb_port=VALUES(gb_port), gb_password=VALUES(gb_password), " +
+                "gb_status=VALUES(gb_status), gb_longitude=VALUES(gb_longitude), gb_latitude=VALUES(gb_latitude), " +
+                "gb_ptz_type=VALUES(gb_ptz_type), gb_position_type=VALUES(gb_position_type), " +
+                "gb_room_type=VALUES(gb_room_type), gb_use_type=VALUES(gb_use_type), " +
+                "gb_supply_light_type=VALUES(gb_supply_light_type), gb_direction_type=VALUES(gb_direction_type), " +
+                "gb_resolution=VALUES(gb_resolution), gb_business_group_id=VALUES(gb_business_group_id), " +
+                "gb_download_speed=VALUES(gb_download_speed), " +
+                "gb_svc_space_support_mod=VALUES(gb_svc_space_support_mod), " +
+                "gb_svc_time_support_mode=VALUES(gb_svc_time_support_mode), " +
+                "enable_broadcast=VALUES(enable_broadcast), update_time=VALUES(update_time)" +
+                "</script>";
+    }
+}
diff --git a/src/main/java/com/genersoft/iot/vmp/gb28181/dao/provider/PostgresStyleCommonChannelUpsertProvider.java b/src/main/java/com/genersoft/iot/vmp/gb28181/dao/provider/PostgresStyleCommonChannelUpsertProvider.java
new file mode 100644
index 000000000..dc5132bf1
--- /dev/null
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/dao/provider/PostgresStyleCommonChannelUpsertProvider.java
@@ -0,0 +1,46 @@
+package com.genersoft.iot.vmp.gb28181.dao.provider;
+
+import java.util.Map;
+
+public class PostgresStyleCommonChannelUpsertProvider {
+
+    public String batchUpsert(Map<String, Object> params) {
+        return "<script>" +
+                "INSERT INTO wvp_device_channel (" +
+                "gb_device_id, data_type, data_device_id, create_time, update_time, " +
+                "gb_name, gb_manufacturer, gb_model, gb_owner, gb_civil_code, gb_block, gb_address, " +
+                "gb_parental, gb_parent_id, gb_safety_way, gb_register_way, gb_cert_num, gb_certifiable, " +
+                "gb_err_code, gb_end_time, gb_secrecy, gb_ip_address, gb_port, gb_password, gb_status, " +
+                "gb_longitude, gb_latitude, gb_ptz_type, gb_position_type, gb_room_type, gb_use_type, " +
+                "gb_supply_light_type, gb_direction_type, gb_resolution, gb_business_group_id, " +
+                "gb_download_speed, gb_svc_space_support_mod, gb_svc_time_support_mode, enable_broadcast" +
+                ") VALUES " +
+                "<foreach collection='channels' item='item' separator=','>" +
+                "(#{item.gbDeviceId}, #{item.dataType}, #{item.dataDeviceId}, #{item.createTime}, #{item.updateTime}," +
+                "#{item.gbName}, #{item.gbManufacturer}, #{item.gbModel}, #{item.gbOwner}, #{item.gbCivilCode}, #{item.gbBlock}, #{item.gbAddress}," +
+                "#{item.gbParental}, #{item.gbParentId}, #{item.gbSafetyWay}, #{item.gbRegisterWay}, #{item.gbCertNum}, #{item.gbCertifiable}," +
+                "#{item.gbErrCode}, #{item.gbEndTime}, #{item.gbSecrecy}, #{item.gbIpAddress}, #{item.gbPort}, #{item.gbPassword}, #{item.gbStatus}," +
+                "#{item.gbLongitude}, #{item.gbLatitude}, #{item.gbPtzType}, #{item.gbPositionType}, #{item.gbRoomType}, #{item.gbUseType}," +
+                "#{item.gbSupplyLightType}, #{item.gbDirectionType}, #{item.gbResolution}, #{item.gbBusinessGroupId}," +
+                "#{item.gbDownloadSpeed}, #{item.gbSvcSpaceSupportMod}, #{item.gbSvcTimeSupportMode}, #{item.enableBroadcast})" +
+                "</foreach>" +
+                "ON CONFLICT (gb_device_id) DO UPDATE SET " +
+                "gb_name=EXCLUDED.gb_name, gb_manufacturer=EXCLUDED.gb_manufacturer, gb_model=EXCLUDED.gb_model, " +
+                "gb_owner=EXCLUDED.gb_owner, gb_civil_code=EXCLUDED.gb_civil_code, gb_block=EXCLUDED.gb_block, " +
+                "gb_address=EXCLUDED.gb_address, gb_parental=EXCLUDED.gb_parental, gb_parent_id=EXCLUDED.gb_parent_id, " +
+                "gb_safety_way=EXCLUDED.gb_safety_way, gb_register_way=EXCLUDED.gb_register_way, " +
+                "gb_cert_num=EXCLUDED.gb_cert_num, gb_certifiable=EXCLUDED.gb_certifiable, " +
+                "gb_err_code=EXCLUDED.gb_err_code, gb_end_time=EXCLUDED.gb_end_time, gb_secrecy=EXCLUDED.gb_secrecy, " +
+                "gb_ip_address=EXCLUDED.gb_ip_address, gb_port=EXCLUDED.gb_port, gb_password=EXCLUDED.gb_password, " +
+                "gb_status=EXCLUDED.gb_status, gb_longitude=EXCLUDED.gb_longitude, gb_latitude=EXCLUDED.gb_latitude, " +
+                "gb_ptz_type=EXCLUDED.gb_ptz_type, gb_position_type=EXCLUDED.gb_position_type, " +
+                "gb_room_type=EXCLUDED.gb_room_type, gb_use_type=EXCLUDED.gb_use_type, " +
+                "gb_supply_light_type=EXCLUDED.gb_supply_light_type, gb_direction_type=EXCLUDED.gb_direction_type, " +
+                "gb_resolution=EXCLUDED.gb_resolution, gb_business_group_id=EXCLUDED.gb_business_group_id, " +
+                "gb_download_speed=EXCLUDED.gb_download_speed, " +
+                "gb_svc_space_support_mod=EXCLUDED.gb_svc_space_support_mod, " +
+                "gb_svc_time_support_mode=EXCLUDED.gb_svc_time_support_mode, " +
+                "enable_broadcast=EXCLUDED.enable_broadcast, update_time=EXCLUDED.update_time" +
+                "</script>";
+    }
+}
diff --git a/src/main/java/com/genersoft/iot/vmp/gb28181/dao/provider/PostgresStyleUpsertProvider.java b/src/main/java/com/genersoft/iot/vmp/gb28181/dao/provider/PostgresStyleUpsertProvider.java
new file mode 100644
index 000000000..4f2cbfcaa
--- /dev/null
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/dao/provider/PostgresStyleUpsertProvider.java
@@ -0,0 +1,43 @@
+package com.genersoft.iot.vmp.gb28181.dao.provider;
+
+import java.util.Map;
+
+public class PostgresStyleUpsertProvider {
+
+    public String batchUpsert(Map<String, Object> params) {
+        return "<script>" +
+                "INSERT INTO wvp_device_channel (" +
+                "device_id, data_type, data_device_id, name, manufacturer, model, owner, civil_code, block, " +
+                "address, parental, parent_id, safety_way, register_way, cert_num, certifiable, err_code, end_time, secrecy, " +
+                "ip_address, port, password, status, longitude, latitude, ptz_type, position_type, room_type, use_type, " +
+                "supply_light_type, direction_type, resolution, business_group_id, download_speed, svc_space_support_mod, " +
+                "svc_time_support_mode, create_time, update_time, sub_count, stream_id, has_audio, gps_time, stream_identification, channel_type" +
+                ") VALUES " +
+                "<foreach collection='channels' item='item' separator=','>" +
+                "(#{item.deviceId}, #{item.dataType}, #{item.dataDeviceId}, #{item.name}, #{item.manufacturer}, #{item.model}, #{item.owner}, #{item.civilCode}, #{item.block}, " +
+                "#{item.address}, #{item.parental}, #{item.parentId}, #{item.safetyWay}, #{item.registerWay}, #{item.certNum}, #{item.certifiable}, #{item.errCode}, #{item.endTime}, #{item.secrecy}, " +
+                "#{item.ipAddress}, #{item.port}, #{item.password}, #{item.status}, #{item.longitude}, #{item.latitude}, #{item.ptzType}, #{item.positionType}, #{item.roomType}, #{item.useType}, " +
+                "#{item.supplyLightType}, #{item.directionType}, #{item.resolution}, #{item.businessGroupId}, #{item.downloadSpeed}, #{item.svcSpaceSupportMod}," +
+                " #{item.svcTimeSupportMode}, #{item.createTime}, #{item.updateTime}, #{item.subCount}, #{item.streamId}, #{item.hasAudio}, #{item.gpsTime}, #{item.streamIdentification}, #{item.channelType})" +
+                "</foreach>" +
+                "ON CONFLICT (data_device_id, device_id) DO UPDATE SET " +
+                "name=EXCLUDED.name, manufacturer=EXCLUDED.manufacturer, model=EXCLUDED.model, owner=EXCLUDED.owner, " +
+                "civil_code=EXCLUDED.civil_code, block=EXCLUDED.block, address=EXCLUDED.address, " +
+                "parental=EXCLUDED.parental, parent_id=EXCLUDED.parent_id, safety_way=EXCLUDED.safety_way, " +
+                "register_way=EXCLUDED.register_way, cert_num=EXCLUDED.cert_num, certifiable=EXCLUDED.certifiable, " +
+                "err_code=EXCLUDED.err_code, end_time=EXCLUDED.end_time, secrecy=EXCLUDED.secrecy, " +
+                "ip_address=EXCLUDED.ip_address, port=EXCLUDED.port, password=EXCLUDED.password, " +
+                "status=EXCLUDED.status, longitude=EXCLUDED.longitude, latitude=EXCLUDED.latitude, " +
+                "ptz_type=EXCLUDED.ptz_type, position_type=EXCLUDED.position_type, room_type=EXCLUDED.room_type, " +
+                "use_type=EXCLUDED.use_type, supply_light_type=EXCLUDED.supply_light_type, " +
+                "direction_type=EXCLUDED.direction_type, resolution=EXCLUDED.resolution, " +
+                "business_group_id=EXCLUDED.business_group_id, download_speed=EXCLUDED.download_speed, " +
+                "svc_space_support_mod=EXCLUDED.svc_space_support_mod, " +
+                "svc_time_support_mode=EXCLUDED.svc_time_support_mode, " +
+                "update_time=EXCLUDED.update_time, sub_count=EXCLUDED.sub_count, " +
+                "stream_id=EXCLUDED.stream_id, has_audio=EXCLUDED.has_audio, " +
+                "gps_time=EXCLUDED.gps_time, stream_identification=EXCLUDED.stream_identification, " +
+                "channel_type=EXCLUDED.channel_type" +
+                "</script>";
+    }
+}
diff --git a/src/main/java/com/genersoft/iot/vmp/gb28181/service/impl/DeviceChannelServiceImpl.java b/src/main/java/com/genersoft/iot/vmp/gb28181/service/impl/DeviceChannelServiceImpl.java
index 2a1ecbacc..cc5c46166 100755
--- a/src/main/java/com/genersoft/iot/vmp/gb28181/service/impl/DeviceChannelServiceImpl.java
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/service/impl/DeviceChannelServiceImpl.java
@@ -114,75 +114,58 @@ public class DeviceChannelServiceImpl implements IDeviceChannelService {
         if (CollectionUtils.isEmpty(channels)) {
             return 0;
         }
-        List<DeviceChannel> addChannels = new ArrayList<>();
-        List<DeviceChannel> updateChannels = new ArrayList<>();
-        HashMap<String, DeviceChannel> channelsInStore = new HashMap<>();
+        // 入参去重
+        Set<String> dedupSet = new HashSet<>();
+        List<DeviceChannel> uniqueChannels = new ArrayList<>();
+        for (DeviceChannel ch : channels) {
+            if (dedupSet.add(ch.getDeviceId())) {
+                uniqueChannels.add(ch);
+            }
+        }
+        List<DeviceChannel> upsertChannels = new ArrayList<>();
         int result = 0;
         List<DeviceChannel> channelList = channelMapper.queryChannelsByDeviceDbId(device.getId());
         if (channelList.isEmpty()) {
-            for (DeviceChannel channel : channels) {
+            String now = DateUtil.getNow();
+            for (DeviceChannel channel : uniqueChannels) {
                 channel.setDataDeviceId(device.getId());
                 InviteInfo inviteInfo = inviteStreamService.getInviteInfoByDeviceAndChannel(InviteSessionType.PLAY, channel.getId());
                 if (inviteInfo != null && inviteInfo.getStreamInfo() != null) {
                     channel.setStreamId(inviteInfo.getStreamInfo().getStream());
                 }
-                String now = DateUtil.getNow();
                 channel.setUpdateTime(now);
                 channel.setCreateTime(now);
-                addChannels.add(channel);
+                upsertChannels.add(channel);
             }
-        }else {
+        } else {
+            HashMap<String, DeviceChannel> channelsInStore = new HashMap<>();
             for (DeviceChannel deviceChannel : channelList) {
                 channelsInStore.put(deviceChannel.getDataDeviceId() + deviceChannel.getDeviceId(), deviceChannel);
             }
-            for (DeviceChannel channel : channels) {
+            String now = DateUtil.getNow();
+            for (DeviceChannel channel : uniqueChannels) {
                 InviteInfo inviteInfo = inviteStreamService.getInviteInfoByDeviceAndChannel(InviteSessionType.PLAY, channel.getId());
                 if (inviteInfo != null && inviteInfo.getStreamInfo() != null) {
                     channel.setStreamId(inviteInfo.getStreamInfo().getStream());
                 }
-                String now = DateUtil.getNow();
                 channel.setUpdateTime(now);
                 DeviceChannel deviceChannelInDb = channelsInStore.get(channel.getDataDeviceId() + channel.getDeviceId());
-                if ( deviceChannelInDb != null) {
+                if (deviceChannelInDb != null) {
                     channel.setId(deviceChannelInDb.getId());
-                    channel.setUpdateTime(now);
-                    updateChannels.add(channel);
-                }else {
+                    channel.setCreateTime(deviceChannelInDb.getCreateTime());
+                } else {
                     channel.setCreateTime(now);
-                    channel.setUpdateTime(now);
-                    addChannels.add(channel);
                 }
+                upsertChannels.add(channel);
             }
         }
-        Set<String> channelSet = new HashSet<>();
-        // 滤重
-        List<DeviceChannel> addChannelList = new ArrayList<>();
-        List<DeviceChannel> updateChannelList = new ArrayList<>();
-        addChannels.forEach(channel -> {
-            if (channelSet.add(channel.getDeviceId())) {
-                addChannelList.add(channel);
-            }
-        });
-        channelSet.clear();
-        updateChannels.forEach(channel -> {
-            if (channelSet.add(channel.getDeviceId())) {
-                updateChannelList.add(channel);
-            }
-        });
 
         int limitCount = 500;
-        if (!addChannelList.isEmpty()) {
-            for (int i = 0; i < addChannelList.size(); i += limitCount) {
-                int end = Math.min(i + limitCount, addChannelList.size());
-                List<DeviceChannel> batchList = addChannelList.subList(i, end);
-                result += channelMapper.batchAdd(batchList);
-            }
-        }
-        if (!updateChannelList.isEmpty()) {
-            for (int i = 0; i < updateChannelList.size(); i += limitCount) {
-                int end = Math.min(i + limitCount, updateChannelList.size());
-                List<DeviceChannel> batchList = updateChannelList.subList(i, end);
-                result += channelMapper.batchUpdate(batchList);
+        if (!upsertChannels.isEmpty()) {
+            for (int i = 0; i < upsertChannels.size(); i += limitCount) {
+                int end = Math.min(i + limitCount, upsertChannels.size());
+                List<DeviceChannel> batchList = upsertChannels.subList(i, end);
+                result += channelMapper.batchUpsert(batchList);
             }
         }
         return result;
@@ -385,21 +368,26 @@ public class DeviceChannelServiceImpl implements IDeviceChannelService {
                 allChannelMap.put(deviceChannel.getDataDeviceId() + deviceChannel.getDeviceId(), deviceChannel);
             }
         }
-        // 数据去重
-        List<DeviceChannel> channels = new ArrayList<>();
+        // 入参去重
+        Set<String> dedupSet = new HashSet<>();
+        List<DeviceChannel> uniqueChannels = new ArrayList<>();
+        for (DeviceChannel ch : deviceChannelList) {
+            if (dedupSet.add(ch.getDeviceId())) {
+                uniqueChannels.add(ch);
+            }
+        }
 
-        List<DeviceChannel> updateChannels = new ArrayList<>();
-        List<DeviceChannel> addChannels = new ArrayList<>();
+        List<DeviceChannel> upsertChannels = new ArrayList<>();
         List<DeviceChannel> deleteChannels = new ArrayList<>();
-        StringBuilder stringBuilder = new StringBuilder();
         Map<String, Integer> subContMap = new HashMap<>();
 
-        for (DeviceChannel deviceChannel : deviceChannelList) {
+        for (DeviceChannel deviceChannel : uniqueChannels) {
             DeviceChannel channelInDb = allChannelMap.get(deviceChannel.getDataDeviceId() + deviceChannel.getDeviceId());
             if (channelInDb != null) {
                 deviceChannel.setStreamId(channelInDb.getStreamId());
                 deviceChannel.setHasAudio(channelInDb.isHasAudio());
                 deviceChannel.setId(channelInDb.getId());
+                deviceChannel.setCreateTime(channelInDb.getCreateTime());
                 if (channelInDb.getStatus() != null && !channelInDb.getStatus().equalsIgnoreCase(deviceChannel.getStatus())){
                     List<Platform> platformList = platformChannelMapper.queryParentPlatformByChannelId(deviceChannel.getDeviceId());
                     if (!CollectionUtils.isEmpty(platformList)){
@@ -409,60 +397,45 @@ public class DeviceChannelServiceImpl implements IDeviceChannelService {
                     }
                 }
                 deviceChannel.setUpdateTime(DateUtil.getNow());
-                updateChannels.add(deviceChannel);
-            }else {
+            } else {
                 deviceChannel.setCreateTime(DateUtil.getNow());
                 deviceChannel.setUpdateTime(DateUtil.getNow());
-                addChannels.add(deviceChannel);
             }
             allChannelMap.remove(deviceChannel.getDataDeviceId() + deviceChannel.getDeviceId());
-            channels.add(deviceChannel);
+            upsertChannels.add(deviceChannel);
             if (!ObjectUtils.isEmpty(deviceChannel.getParentId())) {
                 if (subContMap.get(deviceChannel.getParentId()) == null) {
                     subContMap.put(deviceChannel.getParentId(), 1);
-                }else {
+                } else {
                     Integer count = subContMap.get(deviceChannel.getParentId());
                     subContMap.put(deviceChannel.getParentId(), count++);
                 }
             }
         }
         deleteChannels.addAll(allChannelMap.values());
-        if (!channels.isEmpty()) {
-            for (DeviceChannel channel : channels) {
-                if (subContMap.get(channel.getDeviceId()) != null){
-                    Integer count = subContMap.get(channel.getDeviceId());
-                    if (count > 0) {
-                        channel.setSubCount(count);
-                        channel.setParental(1);
-                    }
+
+        for (DeviceChannel channel : upsertChannels) {
+            if (subContMap.get(channel.getDeviceId()) != null){
+                Integer count = subContMap.get(channel.getDeviceId());
+                if (count > 0) {
+                    channel.setSubCount(count);
+                    channel.setParental(1);
                 }
             }
         }
 
-        if (stringBuilder.length() > 0) {
-            log.info("[目录查询]收到的数据存在重复： {}" , stringBuilder);
-        }
-        if(CollectionUtils.isEmpty(channels)){
+        if(CollectionUtils.isEmpty(upsertChannels)){
             log.info("通道重设，数据为空={}" , deviceChannelList);
             return false;
         }
         int limitCount = 500;
-        if (!addChannels.isEmpty()) {
-            for (int i = 0; i < addChannels.size(); i += limitCount) {
-                int end = Math.min(i + limitCount, addChannels.size());
-                List<DeviceChannel> batchList = addChannels.subList(i, end);
-                channelMapper.batchAdd(batchList);
+        if (!upsertChannels.isEmpty()) {
+            for (int i = 0; i < upsertChannels.size(); i += limitCount) {
+                int end = Math.min(i + limitCount, upsertChannels.size());
+                List<DeviceChannel> batchList = upsertChannels.subList(i, end);
+                channelMapper.batchUpsert(batchList);
             }
         }
-        if (!updateChannels.isEmpty()) {
-            for (int i = 0; i < updateChannels.size(); i += limitCount) {
-                int end = Math.min(i + limitCount, updateChannels.size());
-                List<DeviceChannel> batchList = updateChannels.subList(i, end);
-                channelMapper.batchUpdate(batchList);
-            }
-            // 不对收到的通道做比较，已确定是否真的发生变化，所以不发送更新通知
-
-        }
         if (!deleteChannels.isEmpty()) {
             try {
                 // 这些通道可能关联了，上级平台需要删除同时发送消息
diff --git a/src/main/java/com/genersoft/iot/vmp/gb28181/service/impl/GbChannelServiceImpl.java b/src/main/java/com/genersoft/iot/vmp/gb28181/service/impl/GbChannelServiceImpl.java
index 6a2ec5847..d7ac5ded2 100644
--- a/src/main/java/com/genersoft/iot/vmp/gb28181/service/impl/GbChannelServiceImpl.java
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/service/impl/GbChannelServiceImpl.java
@@ -325,13 +325,13 @@ public class GbChannelServiceImpl implements IGbChannelService {
             log.warn("[新增多个通道] 通道数量为0，更新失败");
             return;
         }
-        // 批量保存
+        // 批量保存（使用UPSERT防重复）
         int limitCount = 1000;
         int result = 0;
         for (int i = 0; i < commonGBChannels.size(); i += limitCount) {
             int end = Math.min(i + limitCount, commonGBChannels.size());
             List<CommonGBChannel> batchList = commonGBChannels.subList(i, end);
-            result += commonGBChannelMapper.batchAdd(batchList);
+            result += commonGBChannelMapper.batchUpsert(batchList);
         }
         try {
             // 发送catalog
diff --git a/src/main/java/com/genersoft/iot/vmp/gb28181/session/CatalogDataManager.java b/src/main/java/com/genersoft/iot/vmp/gb28181/session/CatalogDataManager.java
index 08d3e8903..451467492 100755
--- a/src/main/java/com/genersoft/iot/vmp/gb28181/session/CatalogDataManager.java
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/session/CatalogDataManager.java
@@ -19,6 +19,7 @@ import java.util.Map;
 import java.util.Set;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.TimeUnit;
+import java.util.concurrent.locks.ReentrantLock;
 
 @Slf4j
 @Component
@@ -38,6 +39,16 @@ public class CatalogDataManager{
 
     private final Map<String, CatalogData> dataMap = new ConcurrentHashMap<>();
 
+    private final Map<String, ReentrantLock> deviceWriteLocks = new ConcurrentHashMap<>();
+
+    public ReentrantLock getDeviceWriteLock(String deviceId) {
+        return deviceWriteLocks.computeIfAbsent(deviceId, k -> new ReentrantLock());
+    }
+
+    public void removeDeviceWriteLock(String deviceId) {
+        deviceWriteLocks.remove(deviceId);
+    }
+
     private final String key = "VMP_CATALOG_DATA";
 
     public String buildMapKey(String deviceId, int sn ) {
@@ -240,12 +251,17 @@ public class CatalogDataManager{
             }else if (catalogData.getStatus().equals(CatalogData.CatalogDataStatus.runIng)) {
                 if ( catalogData.getTime().isBefore(instantBefore5S)) {
                     String deviceId = catalogData.getDevice().getDeviceId();
-                    int sn = catalogData.getSn();
-                    List<DeviceChannel> deviceChannelList = getDeviceChannelList(deviceId, sn);
+                    ReentrantLock lock = getDeviceWriteLock(deviceId);
+                    if (!lock.tryLock()) {
+                        // saveData() 正在执行，跳过本次，等下一个5s周期
+                        continue;
+                    }
                     try {
+                        int sn = catalogData.getSn();
+                        List<DeviceChannel> deviceChannelList = getDeviceChannelList(deviceId, sn);
                         if (catalogData.getTotal() == deviceChannelList.size()) {
                             deviceChannelService.resetChannels(catalogData.getDevice().getId(), deviceChannelList);
-                        }else {
+                        } else {
                             deviceChannelService.updateChannels(catalogData.getDevice(), deviceChannelList);
                         }
                         List<Region> regionList = getRegionList(deviceId, sn);
@@ -256,16 +272,23 @@ public class CatalogDataManager{
                         if (groupList != null && !groupList.isEmpty()) {
                             groupService.batchAdd(groupList);
                         }
-                    }catch (Exception e) {
+                        String errorMsg = "更新成功，共" + catalogData.getTotal() + "条，已更新" + deviceChannelList.size() + "条";
+                        catalogData.setErrorMsg(errorMsg);
+                    } catch (Exception e) {
                         log.error("[国标通道同步] 入库失败： ", e);
+                    } finally {
+                        lock.unlock();
                     }
-                    String errorMsg = "更新成功，共" + catalogData.getTotal() + "条，已更新" + deviceChannelList.size() + "条";
-                    catalogData.setErrorMsg(errorMsg);
                     catalogData.setStatus(CatalogData.CatalogDataStatus.end);
                 }
             }else {
                 if (catalogData.getTime().isBefore(instantBefore30S)) {
+                    String deviceId = catalogData.getDevice().getDeviceId();
                     dataMap.remove(dataKey);
+                    // 清理可能残留的设备锁
+                    if (deviceWriteLocks.containsKey(deviceId)) {
+                        deviceWriteLocks.remove(deviceId);
+                    }
                     Set<String> redisKeysForChannel = catalogData.getRedisKeysForChannel();
                     if (redisKeysForChannel != null && !redisKeysForChannel.isEmpty()) {
                         for (String deleteKey : redisKeysForChannel) {
diff --git a/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/message/response/cmd/CatalogResponseMessageHandler.java b/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/message/response/cmd/CatalogResponseMessageHandler.java
index 6533c4e59..417245d5f 100755
--- a/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/message/response/cmd/CatalogResponseMessageHandler.java
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/message/response/cmd/CatalogResponseMessageHandler.java
@@ -29,6 +29,7 @@ import java.util.Collections;
 import java.util.Iterator;
 import java.util.List;
 import java.util.concurrent.ConcurrentLinkedQueue;
+import java.util.concurrent.locks.ReentrantLock;
 import java.lang.Thread;
 
 /**
@@ -163,16 +164,22 @@ public class CatalogResponseMessageHandler extends SIPRequestProcessorParent imp
             String deviceId = device.getDeviceId();
             if (catalogDataCatch.size(deviceId, sn) > 0
                     && catalogDataCatch.size(deviceId, sn) == catalogDataCatch.sumNum(deviceId, sn)) {
-                // 数据已经完整接收， 此时可能存在某个设备离线变上线的情况，但是考虑到性能，此处不做处理，
+                    // 数据已经完整接收， 此时可能存在某个设备离线变上线的情况，但是考虑到性能，此处不做处理，
                 // 目前支持设备通道上线通知时和设备上线时向上级通知
                 int finalSn = sn;
                 Thread.startVirtualThread(() -> {
-                    boolean resetChannelsResult = saveData(device, finalSn);
-                    if (!resetChannelsResult) {
-                        String errorMsg = "接收成功，写入失败，共" + catalogDataCatch.sumNum(deviceId, finalSn) + "条，已接收" + catalogDataCatch.getDeviceChannelList(device.getDeviceId(), finalSn).size() + "条";
-                        catalogDataCatch.setChannelSyncEnd(deviceId, finalSn, errorMsg);
-                    } else {
-                        catalogDataCatch.setChannelSyncEnd(deviceId, finalSn, null);
+                    ReentrantLock lock = catalogDataCatch.getDeviceWriteLock(device.getDeviceId());
+                    lock.lock();
+                    try {
+                        boolean resetChannelsResult = saveData(device, finalSn);
+                        if (!resetChannelsResult) {
+                            String errorMsg = "接收成功，写入失败，共" + catalogDataCatch.sumNum(deviceId, finalSn) + "条，已接收" + catalogDataCatch.getDeviceChannelList(device.getDeviceId(), finalSn).size() + "条";
+                            catalogDataCatch.setChannelSyncEnd(deviceId, finalSn, errorMsg);
+                        } else {
+                            catalogDataCatch.setChannelSyncEnd(deviceId, finalSn, null);
+                        }
+                    } finally {
+                        lock.unlock();
                     }
                 });
             }
diff --git a/数据库/2.7.4-h2/h2-schema.sql b/数据库/2.7.4-h2/h2-schema.sql
index f1bef6daf..f9226024c 100644
--- a/数据库/2.7.4-h2/h2-schema.sql
+++ b/数据库/2.7.4-h2/h2-schema.sql
@@ -155,7 +155,8 @@ create table IF NOT EXISTS wvp_device_channel
     gps_speed                    double precision,
     gps_altitude                 double precision,
     gps_direction                double precision,
-    constraint uk_wvp_unique_channel unique (gb_device_id)
+    constraint uk_wvp_unique_channel unique (gb_device_id),
+    constraint uk_device_channel_source unique (data_device_id, device_id)
 );
 
 create table IF NOT EXISTS wvp_media_server
diff --git a/数据库/2.7.4/初始化-mysql-2.7.4.sql b/数据库/2.7.4/初始化-mysql-2.7.4.sql
index bfce3678c..acc15d504 100644
--- a/数据库/2.7.4/初始化-mysql-2.7.4.sql
+++ b/数据库/2.7.4/初始化-mysql-2.7.4.sql
@@ -162,7 +162,8 @@ create table IF NOT EXISTS wvp_device_channel
     enable_broadcast             integer default 0 COMMENT '是否支持广播',
     index (data_type),
     index (data_device_id),
-    constraint uk_wvp_unique_channel unique (gb_device_id)
+    constraint uk_wvp_unique_channel unique (gb_device_id),
+    constraint uk_device_channel_source unique (data_device_id, device_id)
 );
 
 -- 媒体服务器（如 ZLM）节点信息
diff --git a/数据库/2.7.4/初始化-postgresql-kingbase-2.7.4.sql b/数据库/2.7.4/初始化-postgresql-kingbase-2.7.4.sql
index b34b04d9a..eba8e3b10 100644
--- a/数据库/2.7.4/初始化-postgresql-kingbase-2.7.4.sql
+++ b/数据库/2.7.4/初始化-postgresql-kingbase-2.7.4.sql
@@ -215,7 +215,8 @@ create table IF NOT EXISTS wvp_device_channel
     gps_altitude                 double precision,
     gps_direction                double precision,
     enable_broadcast             integer default 0,
-    constraint uk_wvp_unique_channel unique (gb_device_id)
+    constraint uk_wvp_unique_channel unique (gb_device_id),
+    constraint uk_device_channel_source unique (data_device_id, device_id)
 );
 COMMENT ON TABLE wvp_device_channel IS '保存设备下的通道信息以及扩展属性';
 COMMENT ON COLUMN wvp_device_channel.id IS '主键ID';
diff --git a/数据库/2.7.4/更新-mysql-2.7.4.sql b/数据库/2.7.4/更新-mysql-2.7.4.sql
index 645c97021..ace5bc0be 100644
--- a/数据库/2.7.4/更新-mysql-2.7.4.sql
+++ b/数据库/2.7.4/更新-mysql-2.7.4.sql
@@ -196,7 +196,29 @@ call wvp_20260417();
 DROP PROCEDURE wvp_20260417;
 DELIMITER ;
 
-
+/*
+* 20260521 添加wvp_device_channel唯一约束，防止通道重复写入
+*/
+DELIMITER //
+CREATE PROCEDURE `wvp_20260521`()
+BEGIN
+    IF NOT EXISTS (SELECT 1 FROM information_schema.STATISTICS
+                   WHERE TABLE_SCHEMA = (SELECT DATABASE())
+                     AND TABLE_NAME = 'wvp_device_channel'
+                     AND INDEX_NAME = 'uk_device_channel_source')
+    THEN
+        -- 先清理可能的重复数据
+        DELETE t1 FROM wvp_device_channel t1
+        INNER JOIN wvp_device_channel t2
+        WHERE t1.id < t2.id
+          AND t1.data_device_id = t2.data_device_id
+          AND t1.device_id = t2.device_id;
+ALTER TABLE wvp_device_channel ADD UNIQUE INDEX uk_device_channel_source (data_device_id, device_id);
+END IF;
+END; //
+call wvp_20260521();
+DROP PROCEDURE wvp_20260521;
+DELIMITER ;
 
 
 
diff --git a/数据库/2.7.4/更新-postgresql-kingbase-2.7.4.sql b/数据库/2.7.4/更新-postgresql-kingbase-2.7.4.sql
index 0ab03ae64..e99a47039 100644
--- a/数据库/2.7.4/更新-postgresql-kingbase-2.7.4.sql
+++ b/数据库/2.7.4/更新-postgresql-kingbase-2.7.4.sql
@@ -68,6 +68,26 @@ COMMENT ON COLUMN wvp_alarm.alarm_type IS '报警类别';
 COMMENT ON COLUMN wvp_alarm.alarm_time IS '报警时间';
 
 
+/*
+* 20260521 添加wvp_device_channel唯一约束，防止通道重复写入
+*/
+DO $$
+BEGIN
+    IF NOT EXISTS (SELECT 1 FROM pg_indexes
+                   WHERE tablename = 'wvp_device_channel'
+                     AND indexname = 'uk_device_channel_source') THEN
+        -- 先清理可能的重复数据
+        DELETE FROM wvp_device_channel t1
+        USING wvp_device_channel t2
+        WHERE t1.id < t2.id
+          AND t1.data_device_id = t2.data_device_id
+          AND t1.device_id = t2.device_id;
+        ALTER TABLE wvp_device_channel ADD CONSTRAINT uk_device_channel_source UNIQUE (data_device_id, device_id);
+    END IF;
+END;
+$$;
+
+
 /*
 * 20260417 将 wvp_device_mobile_position从专属国标的位置记录表，改为通用通道共用的位置记录表
 */