diff --git a/nex-be/src/main/java/com/unisinsight/project/controller/DeviceImageMappingController.java b/nex-be/src/main/java/com/unisinsight/project/controller/DeviceImageMappingController.java
index 4694bbb..da3145e 100644
--- a/nex-be/src/main/java/com/unisinsight/project/controller/DeviceImageMappingController.java
+++ b/nex-be/src/main/java/com/unisinsight/project/controller/DeviceImageMappingController.java
@@ -5,16 +5,20 @@ import cn.hutool.core.collection.CollectionUtil;
 import cn.hutool.json.JSONUtil;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.unisinsight.project.entity.dao.DeviceImageMapping;
+import com.unisinsight.project.entity.enums.GrpcTypeEnum;
 import com.unisinsight.project.entity.req.DeviceImageMappingReq;
 import com.unisinsight.project.entity.res.DeviceImageMappingRes;
 import com.unisinsight.project.entity.res.ListReq;
 import com.unisinsight.project.exception.BaseErrorCode;
 import com.unisinsight.project.exception.Result;
+import com.unisinsight.project.grpc.generate.NotificationMessage;
+import com.unisinsight.project.grpc.service.SendNotificationService;
 import com.unisinsight.project.service.DeviceImageMappingService;
 import io.swagger.annotations.Api;
 import io.swagger.annotations.ApiOperation;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.lang3.ObjectUtils;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
@@ -39,7 +43,8 @@ public class DeviceImageMappingController {
 
     @Resource
     private DeviceImageMappingService deviceImageMappingService;
-
+    @Autowired
+    private SendNotificationService notificationService;
     @ApiOperation(value = "终端镜像映射新增")
     @PostMapping("/add")
     public Result<?> insert(@RequestBody ListReq<DeviceImageMappingReq> deviceImageMappingReq) {
@@ -95,7 +100,10 @@ public class DeviceImageMappingController {
                 return Result.errorResult(BaseErrorCode.HTTP_ERROR_CODE_500);
             }
         }
-
+        //发送消息
+        notificationService.sendNotification(deviceImageMappingReq.getDeviceId(), NotificationMessage.newBuilder()
+                .setType(GrpcTypeEnum.IMAGE_UPDATE.getType())
+                .setContent(GrpcTypeEnum.IMAGE_UPDATE.getDesc()).build());
         return Result.successResult();
     }
 
diff --git a/nex-be/src/main/java/com/unisinsight/project/service/impl/ImageVirtualMachinesServiceImpl.java b/nex-be/src/main/java/com/unisinsight/project/service/impl/ImageVirtualMachinesServiceImpl.java
index 788bcb7..7e91e1c 100644
--- a/nex-be/src/main/java/com/unisinsight/project/service/impl/ImageVirtualMachinesServiceImpl.java
+++ b/nex-be/src/main/java/com/unisinsight/project/service/impl/ImageVirtualMachinesServiceImpl.java
@@ -298,7 +298,7 @@ public class ImageVirtualMachinesServiceImpl extends ServiceImpl<ImageVirtualMac
 
         String diskPath = vmInfo.getDiskPath();
 
-        String type = "linux".equalsIgnoreCase(imageVirtualMachines.getOsVersion()) ? "vhd" : "qcow2";
+        String type = "linux".equalsIgnoreCase(imageVirtualMachines.getOsVersion()) ? "qcow2" : "vhd";
 
         // 根据虚拟机信息调用远程虚拟机信息
         String fileName = imageVirtualMachines.getOsVersion() + "_desktop_" + System.currentTimeMillis();