diff --git a/src/main/java/com/xydl/cac/iec/IecClient.java b/src/main/java/com/xydl/cac/iec/IecClient.java
index da222b3..7985dfc 100644
--- a/src/main/java/com/xydl/cac/iec/IecClient.java
+++ b/src/main/java/com/xydl/cac/iec/IecClient.java
@@ -163,7 +163,6 @@ public class IecClient implements ClientEventListener {
     @Override
     public void associationClosed(IOException e) {
         if (keep) {
-            keep = false;
             this.disableReporting();
             this.disconnect();
             while (retry > 0) {
diff --git a/src/main/java/com/xydl/cac/iec/RealTimeDataService.java b/src/main/java/com/xydl/cac/iec/RealTimeDataService.java
index 5f850d4..d1c2f1a 100644
--- a/src/main/java/com/xydl/cac/iec/RealTimeDataService.java
+++ b/src/main/java/com/xydl/cac/iec/RealTimeDataService.java
@@ -92,6 +92,7 @@ public class RealTimeDataService {
     private void onlyStop(Integer iedId) {
         IecClient iecClient = StaticVariable.realTimeClientMap.get(iedId);
         if (iecClient != null) {
+            iecClient.keep = false;
             iecClient.disableReporting();
             iecClient.disconnect();
             StaticVariable.realTimeClientMap.remove(iedId);