diff --git a/src/main/java/com/genersoft/iot/vmp/gb28181/event/subscribe/catalog/CatalogEventLister.java b/src/main/java/com/genersoft/iot/vmp/gb28181/event/subscribe/catalog/CatalogEventLister.java
index 08a329022..beb1c6917 100755
--- a/src/main/java/com/genersoft/iot/vmp/gb28181/event/subscribe/catalog/CatalogEventLister.java
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/event/subscribe/catalog/CatalogEventLister.java
@@ -44,6 +44,9 @@ public class CatalogEventLister implements ApplicationListener<CatalogEvent> {
         Map<String, CommonGBChannel> channelMap = new HashMap<>();
         if (event.getPlatform() != null) {
             parentPlatform = event.getPlatform();
+            if (parentPlatform.getServerGBId() == null) {
+                return;
+            }
             subscribe = subscribeHolder.getCatalogSubscribe(parentPlatform.getServerGBId());
             if (subscribe == null) {
                 return;
@@ -156,4 +159,4 @@ public class CatalogEventLister implements ApplicationListener<CatalogEvent> {
         }
     }
 }
- 
\ No newline at end of file
+