From dab802f09b12b40e5dcb82ef2b23762e5fccb64c Mon Sep 17 00:00:00 2001
From: Limborx <csxian2012@gmail.com>
Date: Sun, 28 Jun 2026 12:39:32 +0800
Subject: [PATCH 1/3] fix: fixed issue #2344

---
 src/cdp/connection.ts | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/src/cdp/connection.ts b/src/cdp/connection.ts
index ade3b967d..a76f12dd9 100644
--- a/src/cdp/connection.ts
+++ b/src/cdp/connection.ts
@@ -105,9 +105,7 @@ export default class Connection {
     if (!session) {
       const disposedDate = this._disposedSessions.get(object.sessionId);
       if (!disposedDate) {
-        throw new Error(
-          `Unknown session id: ${object.sessionId} while processing: ${object.method}`,
-        );
+        this.logger.warn(LogTag.Internal,`Unknown session id: ${object.sessionId} while processing: ${object.method}`,);
       } else {
         const secondsAgo = (Date.now() - disposedDate.getTime()) / 1000.0;
         this.logger.warn(
@@ -122,7 +120,7 @@ export default class Connection {
     const eventName = object.method;
     let error: Error | undefined;
     try {
-      session._onMessage(object);
+      session?._onMessage(object);
     } catch (e) {
       error = e;
     }

From f8c5bf7bdffb7cb9c011361c19646babe1fdad54 Mon Sep 17 00:00:00 2001
From: Limborx <37734145+Limborx@users.noreply.github.com>
Date: Sun, 28 Jun 2026 13:06:02 +0800
Subject: [PATCH 2/3] Formatted Code

Formatted Code
---
 src/cdp/connection.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/cdp/connection.ts b/src/cdp/connection.ts
index a76f12dd9..4a4ec421c 100644
--- a/src/cdp/connection.ts
+++ b/src/cdp/connection.ts
@@ -105,7 +105,7 @@ export default class Connection {
     if (!session) {
       const disposedDate = this._disposedSessions.get(object.sessionId);
       if (!disposedDate) {
-        this.logger.warn(LogTag.Internal,`Unknown session id: ${object.sessionId} while processing: ${object.method}`,);
+        this.logger.warn(LogTag.Internal,`Unknown session id: ${object.sessionId} while processing: ${object.method}`);
       } else {
         const secondsAgo = (Date.now() - disposedDate.getTime()) / 1000.0;
         this.logger.warn(

From 653dec29076ec2f3d59056f2cd5ad819a449159f Mon Sep 17 00:00:00 2001
From: Limborx <37734145+Limborx@users.noreply.github.com>
Date: Sun, 28 Jun 2026 13:14:55 +0800
Subject: [PATCH 3/3] fixed issue #2344, Change log level from warn to error
 for unknown session

---
 src/cdp/connection.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/cdp/connection.ts b/src/cdp/connection.ts
index 4a4ec421c..d45ab8905 100644
--- a/src/cdp/connection.ts
+++ b/src/cdp/connection.ts
@@ -105,7 +105,7 @@ export default class Connection {
     if (!session) {
       const disposedDate = this._disposedSessions.get(object.sessionId);
       if (!disposedDate) {
-        this.logger.warn(LogTag.Internal,`Unknown session id: ${object.sessionId} while processing: ${object.method}`);
+        this.logger.error(LogTag.Internal,`Unknown session id: ${object.sessionId} while processing: ${object.method}`);
       } else {
         const secondsAgo = (Date.now() - disposedDate.getTime()) / 1000.0;
         this.logger.warn(