From 5302e62c90ab7f0ae21518bbd5b36e6617390f11 Mon Sep 17 00:00:00 2001
From: sergiochan <yuheng9211@qq.com>
Date: Tue, 10 Mar 2026 20:38:45 -0700
Subject: [PATCH] fix: sync helper textarea position after terminal resize

---
 src/browser/CoreBrowserTerminal.ts | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/browser/CoreBrowserTerminal.ts b/src/browser/CoreBrowserTerminal.ts
index 1b18a17ee..52eb00025 100644
--- a/src/browser/CoreBrowserTerminal.ts
+++ b/src/browser/CoreBrowserTerminal.ts
@@ -573,7 +573,10 @@ export class CoreBrowserTerminal extends CoreTerminal implements ITerminal {
       this._renderService!.handleCursorMove();
       this._syncTextArea();
     }));
-    this._register(this.onResize(() => this._renderService!.handleResize(this.cols, this.rows)));
+    this._register(this.onResize(() => {
+      this._renderService!.handleResize(this.cols, this.rows);
+      this._syncTextArea();
+    }));
     this._register(this.onBlur(() => this._renderService!.handleBlur()));
     this._register(this.onFocus(() => this._renderService!.handleFocus()));