diff --git a/README.md b/README.md
index 327e420..2a0ab72 100644
--- a/README.md
+++ b/README.md
@@ -20,6 +20,14 @@ https://github.com/ZgDaniel/cc-web 给我装！
 </p>
 
 
+## 更新记录
+
+- **v1.2**
+  - 修复消息中包含代码块时可能触发的页面横向溢出问题：窗口不再被长代码撑宽，代码块可在块内横向滚动。
+  - 优化移动端输入体验：手机浏览器回车键默认换行，不再直接发送消息；消息发送改为手动点击发送按钮。
+- **v1.1**
+  - 增加 Windows 环境下 Claude Code CLI 的兼容支持，完善本地部署与启动体验。
+
 ## 功能特性
 
 - **超轻量** — 后端性能占用少，前端通过web访问，不易被杀后台
diff --git a/public/app.js b/public/app.js
index 5fc003c..81f3fb0 100644
--- a/public/app.js
+++ b/public/app.js
@@ -807,6 +807,10 @@
     msgInput.style.height = Math.min(msgInput.scrollHeight, max) + 'px';
   }
 
+  function isMobileInputMode() {
+    return window.matchMedia('(max-width: 768px), (pointer: coarse)').matches;
+  }
+
   // --- Event Listeners ---
   loginForm.addEventListener('submit', (e) => {
     e.preventDefault();
@@ -864,6 +868,14 @@
       if (e.key === 'Escape') { hideCmdMenu(); return; }
     }
     if (e.key === 'Enter' && !e.shiftKey) {
+      if (isMobileInputMode()) {
+        if (!cmdMenu.hidden) {
+          e.preventDefault();
+          selectCmdMenuItem();
+        }
+        return;
+      }
+
       e.preventDefault();
       if (!cmdMenu.hidden) {
         // If menu is open and user presses Enter, select the item
diff --git a/public/style.css b/public/style.css
index 3a097fb..4b1edc6 100644
--- a/public/style.css
+++ b/public/style.css
@@ -337,6 +337,7 @@ body {
 .messages {
   flex: 1;
   overflow-y: auto;
+  overflow-x: hidden;
   padding: 16px;
   display: flex;
   flex-direction: column;
@@ -368,6 +369,7 @@ body {
   display: flex;
   gap: 10px;
   max-width: 85%;
+  min-width: 0;
   animation: fadeIn 0.25s ease;
 }
 @keyframes fadeIn {
@@ -396,6 +398,8 @@ body {
   border-radius: 16px;
   line-height: 1.65;
   word-break: break-word;
+  min-width: 0;
+  max-width: 100%;
 }
 .msg.user .msg-bubble {
   background: var(--bg-bubble-user);
@@ -480,6 +484,7 @@ body {
   border-radius: 10px;
   overflow: hidden;
   border: 1px solid var(--border-color);
+  max-width: 100%;
 }
 .code-block-header {
   display: flex;
@@ -504,12 +509,15 @@ body {
   margin: 0;
   padding: 12px;
   overflow-x: auto;
+  overflow-y: hidden;
+  max-width: 100%;
   -webkit-overflow-scrolling: touch;
 }
 .code-block-wrapper pre code {
   font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
   font-size: 13px;
   line-height: 1.5;
+  white-space: pre;
 }
 
 /* Tool calls */
@@ -655,6 +663,7 @@ body {
   outline: none;
   max-height: var(--input-max-height);
   min-height: 24px;
+  overflow-y: auto;
 }
 #msg-input::placeholder { color: var(--text-muted); }
 .send-btn, .abort-btn {
diff --git a/server.js b/server.js
index 6c315b8..7a1a090 100644
--- a/server.js
+++ b/server.js
@@ -140,10 +140,11 @@ function sendNotification(title, content) {
 
     const parsed = new URL(url);
     const contentType = isFormData ? 'application/x-www-form-urlencoded' : 'application/json';
-    const req = https.request(parsed, {
+    const reqOptions = {
       method: 'POST',
       headers: { 'Content-Type': contentType, 'Content-Length': Buffer.byteLength(data) },
-    }, (res) => {
+    };
+    const req = https.request(parsed, reqOptions, (res) => {
       let body = '';
       res.on('data', (c) => body += c);
       res.on('end', () => {