diff --git a/package.json b/package.json
index 558659e..ac84260 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "connect-ai-lab",
   "displayName": "Connect AI",
   "description": "100% 로컬 AI 코딩 에이전트 — 파일 생성, 코드 편집, 터미널 실행을 오프라인으로. Ollama + Gemma/Llama/DeepSeek 지원.",
-  "version": "2.1.0",
+  "version": "2.1.1",
   "publisher": "connectailab",
   "license": "MIT",
   "icon": "assets/icon.png",
diff --git a/src/extension.ts b/src/extension.ts
index f54bb9b..a7ddc7c 100644
--- a/src/extension.ts
+++ b/src/extension.ts
@@ -1303,6 +1303,12 @@ body.init .input-wrap{max-width:680px;width:100%;margin:0 auto;transform:none;tr
 <input type="file" id="fileInput" multiple accept="image/*,audio/*,.txt,.md,.csv,.json,.js,.ts,.html,.css,.py,.java,.rs,.go,.yaml,.yml,.xml,.toml" hidden></div>
 </div>
 <script>
+window.onerror = function(msg, url, line, col, error) {
+  document.body.innerHTML += '<div style="position:absolute;z-index:9999;background:red;color:white;padding:10px;top:0;left:0;right:0">ERROR: ' + msg + ' at line ' + line + '</div>';
+};
+window.addEventListener('unhandledrejection', function(event) {
+  document.body.innerHTML += '<div style="position:absolute;z-index:9999;background:red;color:white;padding:10px;bottom:0;left:0;right:0">PROMISE REJECTION: ' + event.reason + '</div>';
+});
 try {
 const vscode=acquireVsCodeApi(),chat=document.getElementById('chat'),input=document.getElementById('input'),
 sendBtn=document.getElementById('sendBtn'),stopBtn=document.getElementById('stopBtn'),