diff --git a/src/main/java/com/xydl/cac/iec/IecClient.java b/src/main/java/com/xydl/cac/iec/IecClient.java
index 73e2553..764d48a 100644
--- a/src/main/java/com/xydl/cac/iec/IecClient.java
+++ b/src/main/java/com/xydl/cac/iec/IecClient.java
@@ -119,7 +119,11 @@ public class IecClient implements ClientEventListener {
             } catch (Exception ignore) {
             }
         }
-        log.info("61850停止订阅, ied=" + ied.getName() + ", ip=" + ied.getIp() + ", port=" + ied.getPort());
+        if (keep) {
+            log.warn("61850订阅已断开, ied=" + ied.getName() + ", ip=" + ied.getIp() + ", port=" + ied.getPort());
+        } else {
+            log.info("61850停止订阅, ied=" + ied.getName() + ", ip=" + ied.getIp() + ", port=" + ied.getPort());
+        }
     }
 
     public List<FileInformation> listFile(String path) throws Exception {
@@ -147,7 +151,6 @@ public class IecClient implements ClientEventListener {
         if (keep) {
             this.disableReporting();
             this.disconnect();
-            log.warn("61850订阅已断开, ied=" + ied.getName() + ", ip=" + ied.getIp() + ", port=" + ied.getPort());
             while (retry > 0) {
                 retry--;
                 try {
diff --git a/src/main/java/com/xydl/cac/iec/RealTimeDataService.java b/src/main/java/com/xydl/cac/iec/RealTimeDataService.java
index 42ea894..efe81da 100644
--- a/src/main/java/com/xydl/cac/iec/RealTimeDataService.java
+++ b/src/main/java/com/xydl/cac/iec/RealTimeDataService.java
@@ -16,10 +16,7 @@ import org.springframework.util.CollectionUtils;
 import javax.annotation.PostConstruct;
 import javax.annotation.PreDestroy;
 import javax.annotation.Resource;
-import java.util.HashMap;
-import java.util.Iterator;
-import java.util.List;
-import java.util.Optional;
+import java.util.*;
 
 @Service
 @Slf4j
@@ -104,9 +101,12 @@ public class RealTimeDataService {
     @PreDestroy
     private void stop() {
         log.info("关闭61850订阅服务.");
+        List<Integer> idList = new ArrayList<>();
         Iterator<Integer> it = clientMap.keySet().iterator();
         while (it.hasNext()) {
-            Integer iedId = it.next();
+            idList.add(it.next());
+        }
+        for (Integer iedId : idList) {
             this.onlyStop(iedId);
         }
     }