diff --git a/src/main/java/com/xydl/cac/iec/IecClient.java b/src/main/java/com/xydl/cac/iec/IecClient.java
index 458083c..874fdfe 100644
--- a/src/main/java/com/xydl/cac/iec/IecClient.java
+++ b/src/main/java/com/xydl/cac/iec/IecClient.java
@@ -12,7 +12,6 @@ import java.io.IOException;
 import java.io.InputStream;
 import java.net.InetAddress;
 import java.nio.charset.StandardCharsets;
-import java.util.Optional;
 
 @Slf4j
 public class IecClient implements ClientEventListener {
@@ -20,7 +19,6 @@ public class IecClient implements ClientEventListener {
     ClientSap clientSap = new ClientSap();
     ClientAssociation clientAssociation = null;
     ServerModel serverModel;
-    Urcb urcb = null;
 
     public void connect(String host, int port, String apTitle, String xml) throws Exception {
         InputStream in = IOUtils.toInputStream(xml, StandardCharsets.UTF_8);
@@ -66,16 +64,18 @@ public class IecClient implements ClientEventListener {
 
     public void enableReporting() throws Exception {
         if (!CollectionUtils.isEmpty(serverModel.getUrcbs())) {
-            Optional<Urcb> optional = serverModel.getUrcbs().stream().findAny();
-            urcb = optional.get();
-            clientAssociation.enableReporting(urcb);
+            for (Urcb urcb : serverModel.getUrcbs()) {
+                clientAssociation.enableReporting(urcb);
+            }
         }
     }
 
     public void disableReporting() {
-        if (urcb != null) {
+        if (!CollectionUtils.isEmpty(serverModel.getUrcbs())) {
             try {
-                clientAssociation.disableReporting(urcb);
+                for (Urcb urcb : serverModel.getUrcbs()) {
+                    clientAssociation.disableReporting(urcb);
+                }
             } catch (Exception ignore) {
             }
         }
diff --git a/src/main/java/com/xydl/cac/iec/IecServer.java b/src/main/java/com/xydl/cac/iec/IecServer.java
index 34be53f..d0d13d3 100644
--- a/src/main/java/com/xydl/cac/iec/IecServer.java
+++ b/src/main/java/com/xydl/cac/iec/IecServer.java
@@ -38,10 +38,12 @@ public class IecServer implements ServerEventListener {
 
     public void updateBda(BasicDataAttribute bda) {
         BasicDataAttribute node = (BasicDataAttribute) serversServerModel.findModelNode(bda.getReference(), bda.getFc());
-        node.setValueFrom(bda);
-        List<BasicDataAttribute> bdas = new ArrayList<>();
-        bdas.add(node);
-        serverSap.setValues(bdas);
+        if (node != null) {
+            node.setValueFrom(bda);
+            List<BasicDataAttribute> bdas = new ArrayList<>();
+            bdas.add(node);
+            serverSap.setValues(bdas);
+        }
     }
 
     @Override
diff --git a/src/main/java/com/xydl/cac/service/impl/RealTimeServiceImpl.java b/src/main/java/com/xydl/cac/service/impl/RealTimeServiceImpl.java
index f3c329a..074a1b1 100644
--- a/src/main/java/com/xydl/cac/service/impl/RealTimeServiceImpl.java
+++ b/src/main/java/com/xydl/cac/service/impl/RealTimeServiceImpl.java
@@ -45,9 +45,10 @@ public class RealTimeServiceImpl implements RealTimeService {
                         IecClient iecClient = new IecClient();
                         iecClient.connect(ied.getIp(), 102, ied.getApTitle(), icdFile.getXml());
                         iecClient.enableReporting();
+                        log.info("61850订阅成功, ied=" + ied.getName() + ", ip=" + ied.getIp());
                         clientMap.put(ied.getIp(), iecClient);
                     } catch (Exception ex) {
-                        log.error("61850连接异常, ied=" + ied.getName() + ", ip=" + ied.getIp(), ex);
+                        log.error("61850订阅异常, ied=" + ied.getName() + ", ip=" + ied.getIp(), ex);
                     }
                 }
             }