diff --git a/gb28181-wvp-proxy-service/src/main/java/cn/skcks/docking/gb28181/wvp/service/device/DeviceService.java b/gb28181-wvp-proxy-service/src/main/java/cn/skcks/docking/gb28181/wvp/service/device/DeviceService.java
index 0be4dfb..076f510 100644
--- a/gb28181-wvp-proxy-service/src/main/java/cn/skcks/docking/gb28181/wvp/service/device/DeviceService.java
+++ b/gb28181-wvp-proxy-service/src/main/java/cn/skcks/docking/gb28181/wvp/service/device/DeviceService.java
@@ -89,7 +89,7 @@ public class DeviceService {
         if(StringUtils.isBlank(deviceCode)){
             throw new JsonException("设备编码不能为空");
         }
-        if(getDeviceByDeviceCode(deviceCode).isEmpty()){
+        if(getDeviceByDeviceCode(deviceCode).isPresent()){
             throw new JsonException(MessageFormat.format("设备编码 {0} 已存在" ,deviceCode));
         }