diff --git a/backend/src/main/java/com/qqchen/deploy/backend/deploy/strategy/log/K8sLogStreamStrategy.java b/backend/src/main/java/com/qqchen/deploy/backend/deploy/strategy/log/K8sLogStreamStrategy.java
index b9355467..ec4b6014 100644
--- a/backend/src/main/java/com/qqchen/deploy/backend/deploy/strategy/log/K8sLogStreamStrategy.java
+++ b/backend/src/main/java/com/qqchen/deploy/backend/deploy/strategy/log/K8sLogStreamStrategy.java
@@ -21,12 +21,17 @@ import java.io.BufferedReader;
 import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.time.Instant;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.atomic.AtomicLong;
 import java.util.function.Supplier;
 
 /**
  * K8S日志流策略
  * 
+ * <p>⚠️ 重要：OkHttp Response必须显式关闭，否则会导致连接泄漏！
+ * <p>当用户关闭WebSocket时，需要同时关闭Response，而不仅仅是cancel Call。
+ * 
  * @author qqchen
  * @since 2025-12-16
  */
@@ -36,6 +41,12 @@ public class K8sLogStreamStrategy extends AbstractLogStreamStrategy<K8sLogStream
     
     public record K8sConnection(ApiClient apiClient, Call call) {}
     
+    /**
+     * Response缓存：sessionId → Response
+     * <p>用于在stop/cleanup时显式关闭Response，避免OkHttp连接泄漏
+     */
+    private final Map<String, Response> responseCache = new ConcurrentHashMap<>();
+    
     @Resource
     private IK8sServiceIntegration k8sServiceIntegration;
     
@@ -106,7 +117,13 @@ public class K8sLogStreamStrategy extends AbstractLogStreamStrategy<K8sLogStream
         callback.sendLogLine(Instant.now().toString(), 
             "[系统] 正在连接K8S日志流，请稍候...");
         
-        try (Response response = conn.call().execute()) {
+        Response response = null;
+        try {
+            response = conn.call().execute();
+            
+            // ⚠️ 关键：缓存Response引用，用于stop/cleanup时显式关闭
+            responseCache.put(sessionId, response);
+            
             log.info("K8S日志API响应: sessionId={}, pod={}, code={}, protocol={}, message={}", 
                 sessionId, target.getName(), response.code(), response.protocol(), response.message());
             
@@ -182,6 +199,9 @@ public class K8sLogStreamStrategy extends AbstractLogStreamStrategy<K8sLogStream
             log.error("K8S日志流异常: sessionId={}, error={}", sessionId, e.getMessage(), e);
             callback.sendLogLine(Instant.now().toString(), 
                 "[错误] K8S日志流异常: " + e.getMessage());
+        } finally {
+            // ⚠️ 关键：确保Response被关闭，避免OkHttp连接泄漏
+            closeResponse(sessionId, response);
         }
         
         log.info("K8S日志流结束: sessionId={}, lineCount={}", sessionId, lineCount.get());
@@ -189,6 +209,10 @@ public class K8sLogStreamStrategy extends AbstractLogStreamStrategy<K8sLogStream
     
     @Override
     protected void doStop(String sessionId, K8sConnection conn) {
+        // 1. 先关闭Response（释放HTTP连接）
+        closeResponse(sessionId, null);
+        
+        // 2. 再取消Call
         if (conn.call() != null && !conn.call().isCanceled()) {
             conn.call().cancel();
             log.debug("K8S Call已取消: sessionId={}", sessionId);
@@ -197,11 +221,35 @@ public class K8sLogStreamStrategy extends AbstractLogStreamStrategy<K8sLogStream
     
     @Override
     protected void doCleanupConnection(String sessionId, K8sConnection conn) {
-        // 只取消Call，不关闭ApiClient（ApiClient是按集群共享的）
+        // 1. 确保Response被关闭
+        closeResponse(sessionId, null);
+        
+        // 2. 取消Call（如果还没取消）
         if (conn.call() != null && !conn.call().isCanceled()) {
             try { conn.call().cancel(); } catch (Exception ignored) {}
         }
         
         log.debug("K8S连接清理完成: sessionId={}", sessionId);
     }
+    
+    /**
+     * 关闭Response，避免OkHttp连接泄漏
+     * 
+     * @param sessionId 会话ID
+     * @param response 要关闭的Response（如果为null，则从缓存中获取）
+     */
+    private void closeResponse(String sessionId, Response response) {
+        // 从缓存中移除并获取Response
+        Response cachedResponse = responseCache.remove(sessionId);
+        Response toClose = response != null ? response : cachedResponse;
+        
+        if (toClose != null) {
+            try {
+                toClose.close();
+                log.debug("K8S Response已关闭: sessionId={}", sessionId);
+            } catch (Exception e) {
+                log.debug("关闭K8S Response异常（可忽略）: sessionId={}, error={}", sessionId, e.getMessage());
+            }
+        }
+    }
 }