diff --git a/src/views/webviewContent.ts b/src/views/webviewContent.ts
index fa6fb67..b9b9982 100644
--- a/src/views/webviewContent.ts
+++ b/src/views/webviewContent.ts
@@ -16,6 +16,7 @@ export function getWebviewContent(iconUri?: string): string {
       margin: 0;
       padding: 20px;
       height: 100vh;
+      box-sizing: border-box;
       display: flex;
       flex-direction: column;
     }
@@ -33,11 +34,14 @@ export function getWebviewContent(iconUri?: string): string {
       flex: 1;
       display: flex;
       flex-direction: column;
+      min-height: 0;
+      overflow: hidden;
     }
     .messages {
       flex: 1;
       overflow-y: auto;
       margin-bottom: 15px;
+      min-height: 0;
     }
     .message {
       margin-bottom: 12px;
@@ -57,6 +61,7 @@ export function getWebviewContent(iconUri?: string): string {
     .input-area {
       border-top: 1px solid var(--vscode-panel-border);
       padding-top: 15px;
+      flex-shrink: 0;
     }
     .input-group {
       display: flex;
@@ -194,6 +199,7 @@ export function getWebviewContent(iconUri?: string): string {
       gap: 8px;
       margin-top: 10px;
       flex-wrap: wrap;
+      flex-shrink: 0;
     }
     .quick-btn {
       padding: 6px 12px;
@@ -205,11 +211,12 @@ export function getWebviewContent(iconUri?: string): string {
       font-size: 12px;
     }
     .file-reader-section {
-      margin-bottom: 20px;
+      margin-bottom: 15px;
       padding: 15px;
       background: var(--vscode-input-background);
       border: 1px solid var(--vscode-input-border);
       border-radius: 8px;
+      flex-shrink: 0;
     }
     .file-reader-section h3 {
       margin: 0 0 10px 0;
@@ -234,7 +241,7 @@ export function getWebviewContent(iconUri?: string): string {
       background: var(--vscode-editor-background);
       border: 1px solid var(--vscode-panel-border);
       border-radius: 4px;
-      max-height: 300px;
+      max-height: 120px;
       overflow-y: auto;
       font-family: 'Courier New', monospace;
       font-size: 12px;
@@ -254,12 +261,13 @@ export function getWebviewContent(iconUri?: string): string {
       margin-top: 10px;
     }
     .file-editor-section {
-      margin-bottom: 20px;
+      margin-bottom: 15px;
       padding: 15px;
       background: var(--vscode-input-background);
       border: 1px solid var(--vscode-input-border);
       border-radius: 8px;
       display: none;
+      flex-shrink: 0;
     }
     .file-editor-section.active {
       display: block;
@@ -298,7 +306,6 @@ export function getWebviewContent(iconUri?: string): string {
       display: flex;
       align-items: center;
       gap: 6px;
-      padding: 0 20px;
       height: 40px;
       background: transparent;
       border: none;
@@ -423,32 +430,31 @@ export function getWebviewContent(iconUri?: string): string {
     <p>专注于真实FPGA研发的Verilog智能体编程平台</p>
   </div>
 
-  <div class="file-reader-section">
-    <h3>📁 文件读取</h3>
-    <div class="file-input-group">
-      <input
-        type="text"
-        id="filePathInput"
-        placeholder="输入文件路径（相对或绝对路径）..."
-      />
-      <button onclick="readFile()">读取文件</button>
-    </div>
-    <div id="fileContent" class="file-content empty">
-      文件内容将在这里显示...
-    </div>
-    <div id="errorMessage" style="display: none;"></div>
-  </div>
-
-  <div id="fileEditorSection" class="file-editor-section">
-    <h3>✏️ 编辑文件: <span id="editingFileName"></span></h3>
-    <textarea id="fileEditorTextarea" class="file-editor-textarea"></textarea>
-    <div class="editor-actions">
-      <button onclick="saveFile()">保存修改</button>
-      <button onclick="cancelEdit()" style="background: var(--vscode-button-secondaryBackground); color: var(--vscode-button-secondaryForeground);">取消</button>
-    </div>
-  </div>
-
   <div class="chat-container">
+    <div class="file-reader-section">
+      <h3>📁 文件读取</h3>
+      <div class="file-input-group">
+        <input
+          type="text"
+          id="filePathInput"
+          placeholder="输入文件路径（相对或绝对路径）..."
+        />
+        <button onclick="readFile()">读取文件</button>
+      </div>
+      <div id="fileContent" class="file-content empty">
+        文件内容将在这里显示...
+      </div>
+      <div id="errorMessage" style="display: none;"></div>
+    </div>
+
+    <div id="fileEditorSection" class="file-editor-section">
+      <h3>✏️ 编辑文件: <span id="editingFileName"></span></h3>
+      <textarea id="fileEditorTextarea" class="file-editor-textarea"></textarea>
+      <div class="editor-actions">
+        <button onclick="saveFile()">保存修改</button>
+        <button onclick="cancelEdit()" style="background: var(--vscode-button-secondaryBackground); color: var(--vscode-button-secondaryForeground);">取消</button>
+      </div>
+    </div>
     <div id="messages" class="messages">
       <div class="message bot-message">
         👋 你好！我是 IC Coder 助手，可以帮你生成代码、回答问题。