优化目录更新，更新失败时只更新收到的内容不重置所有通道和自动拉流

src/main/java/com/genersoft/iot/vmp/service/impl/GbStreamServiceImpl.java

@@ -152,6 +152,10 @@ public class GbStreamServiceImpl implements IGbStreamService {
 
     @Override
     public void sendCatalogMsg(GbStream gbStream, String type) {
+        if (gbStream == null || type == null) {
+            logger.warn("[发送目录订阅]类型：流信息或类型为NULL");
+            return;
+        }
         List<GbStream> gbStreams = new ArrayList<>();
         if (gbStream.getGbId() != null) {
             gbStreams.add(gbStream);

src/main/java/com/genersoft/iot/vmp/service/impl/StreamPushServiceImpl.java

@@ -184,7 +184,9 @@ public class StreamPushServiceImpl implements IStreamPushService {
     @Override
     public boolean stop(String app, String streamId) {
         StreamPushItem streamPushItem = streamPushMapper.selectOne(app, streamId);
-        gbStreamService.sendCatalogMsg(streamPushItem, CatalogEvent.DEL);
+        if (streamPushItem != null) {
+            gbStreamService.sendCatalogMsg(streamPushItem, CatalogEvent.DEL);
+        }
 
         platformGbStreamMapper.delByAppAndStream(app, streamId);
         gbStreamMapper.del(app, streamId);