add 默认标签

jetlinks-manager/device-manager/src/main/java/org/jetlinks/community/device/response/DeviceDetail.java

@@ -176,7 +176,7 @@ public class DeviceDetail {
         geoTag.setType("geoPoint");
         geoTag.setKey("coordinate");
         if (CollectionUtils.isEmpty(tags)) {
-            tags= Collections.singletonList(geoTag);
+            this.tags= Collections.singletonList(geoTag);
             return this;
         }
         Map<String, DeviceTagEntity> map = Stream