diff --git a/README.md b/README.md
index 2a0ab72..926f57a 100644
--- a/README.md
+++ b/README.md
@@ -22,6 +22,9 @@ https://github.com/ZgDaniel/cc-web 给我装！
 
 ## 更新记录
 
+- **v1.2.1**
+  - 修复 `AskUserQuestion` 交互选项在 Web 端不显示的问题：后端保留完整结构化参数并前端按问题/选项渲染。
+  - 新增交互选项快捷填充：点击选项即可把对应答案插入输入框，便于快速确认并发送。
 - **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。
diff --git a/public/app.js b/public/app.js
index 81f3fb0..acac859 100644
--- a/public/app.js
+++ b/public/app.js
@@ -410,9 +410,16 @@
         for (const tc of m.toolCalls) {
           const details = document.createElement('details');
           details.className = 'tool-call';
-          const contentText = tc.result || (typeof tc.input === 'string' ? tc.input : (tc.input ? JSON.stringify(tc.input, null, 2) : ''));
-          details.innerHTML = `<summary><span class="tool-call-icon done"></span> ${escapeHtml(tc.name)}</summary>
-            <div class="tool-call-content">${escapeHtml(contentText)}</div>`;
+          details.dataset.toolName = tc.name || '';
+          if (tc.name === 'AskUserQuestion') details.open = true;
+
+          const summary = document.createElement('summary');
+          summary.innerHTML = `<span class="tool-call-icon done"></span> ${escapeHtml(tc.name)}`;
+          details.appendChild(summary);
+
+          const displayInput = tc.name === 'AskUserQuestion' ? tc.input : (tc.result || tc.input);
+          details.appendChild(buildToolContentElement(tc.name, displayInput));
+
           bubble.insertBefore(details, bubble.firstChild);
         }
       }
@@ -421,6 +428,99 @@
     scrollToBottom();
   }
 
+  function normalizeAskUserInput(input) {
+    if (input === null || input === undefined) return null;
+    if (typeof input === 'string') {
+      const trimmed = input.trim();
+      if (!trimmed) return null;
+      try {
+        return JSON.parse(trimmed);
+      } catch {
+        return null;
+      }
+    }
+    return input;
+  }
+
+  function extractAskUserQuestions(input) {
+    const parsed = normalizeAskUserInput(input);
+    if (!parsed || !Array.isArray(parsed.questions)) return [];
+    return parsed.questions;
+  }
+
+  function appendAskOptionToInput(question, option) {
+    const header = (question?.header || '').trim() || '问题';
+    const line = `【${header}】${option?.label || ''}`;
+    const current = msgInput.value.trim();
+    msgInput.value = current ? `${current}\n${line}` : line;
+    autoResize();
+    msgInput.focus();
+  }
+
+  function createAskUserQuestionView(questions) {
+    const wrapper = document.createElement('div');
+    wrapper.className = 'ask-user-question';
+
+    questions.forEach((q, idx) => {
+      const card = document.createElement('div');
+      card.className = 'ask-question-card';
+
+      const header = document.createElement('div');
+      header.className = 'ask-question-header';
+      header.textContent = `${idx + 1}. ${q.header || '问题'}`;
+      card.appendChild(header);
+
+      const body = document.createElement('div');
+      body.className = 'ask-question-text';
+      body.textContent = q.question || '';
+      card.appendChild(body);
+
+      if (Array.isArray(q.options) && q.options.length > 0) {
+        const opts = document.createElement('div');
+        opts.className = 'ask-question-options';
+        q.options.forEach((opt, i) => {
+          const item = document.createElement('button');
+          item.type = 'button';
+          item.className = 'ask-option-item';
+          item.addEventListener('click', () => appendAskOptionToInput(q, opt));
+
+          const title = document.createElement('div');
+          title.className = 'ask-option-label';
+          title.textContent = `${i + 1}. ${opt.label || ''}`;
+          item.appendChild(title);
+
+          if (opt.description) {
+            const desc = document.createElement('div');
+            desc.className = 'ask-option-desc';
+            desc.textContent = opt.description;
+            item.appendChild(desc);
+          }
+
+          opts.appendChild(item);
+        });
+        card.appendChild(opts);
+      }
+
+      wrapper.appendChild(card);
+    });
+
+    return wrapper;
+  }
+
+  function buildToolContentElement(name, input) {
+    if (name === 'AskUserQuestion') {
+      const questions = extractAskUserQuestions(input);
+      if (questions.length > 0) {
+        return createAskUserQuestionView(questions);
+      }
+    }
+    const inputStr = typeof input === 'string' ? input : (input ? JSON.stringify(input, null, 2) : '');
+    const content = document.createElement('div');
+    content.className = 'tool-call-content';
+    content.textContent = inputStr;
+    return content;
+  }
+
   function appendToolCall(toolUseId, name, input, done) {
     const streamEl = document.getElementById('streaming-msg');
     if (!streamEl) return;
@@ -430,11 +530,14 @@
     const details = document.createElement('details');
     details.className = 'tool-call';
     details.id = `tool-${toolUseId}`;
-    const inputStr = typeof input === 'string' ? input : (input ? JSON.stringify(input, null, 2) : '');
-    details.innerHTML = `
-      <summary><span class="tool-call-icon ${done ? 'done' : 'running'}"></span> ${escapeHtml(name)}</summary>
-      <div class="tool-call-content">${escapeHtml(inputStr)}</div>
-    `;
+    details.dataset.toolName = name || '';
+    if (name === 'AskUserQuestion') details.open = true;
+
+    const summary = document.createElement('summary');
+    summary.innerHTML = `<span class="tool-call-icon ${done ? 'done' : 'running'}"></span> ${escapeHtml(name)}`;
+    details.appendChild(summary);
+    details.appendChild(buildToolContentElement(name, input));
+
     bubble.appendChild(details);
     scrollToBottom();
   }
@@ -445,6 +548,9 @@
     const icon = el.querySelector('.tool-call-icon');
     if (icon) { icon.classList.remove('running'); icon.classList.add('done'); }
     if (result) {
+      if (el.dataset.toolName === 'AskUserQuestion') {
+        return;
+      }
       const content = el.querySelector('.tool-call-content');
       if (content) content.textContent = result;
     }
diff --git a/public/style.css b/public/style.css
index 4b1edc6..3b5fb83 100644
--- a/public/style.css
+++ b/public/style.css
@@ -571,6 +571,63 @@ body {
   font-family: 'SF Mono', monospace;
 }
 
+/* AskUserQuestion preview */
+.ask-user-question {
+  padding: 10px 12px;
+  background: var(--bg-primary);
+  display: flex;
+  flex-direction: column;
+  gap: 10px;
+}
+.ask-question-card {
+  border: 1px solid var(--border-color);
+  border-radius: 10px;
+  background: #fff;
+  padding: 10px;
+}
+.ask-question-header {
+  font-size: 12px;
+  font-weight: 700;
+  color: var(--accent);
+  margin-bottom: 6px;
+}
+.ask-question-text {
+  font-size: 13px;
+  line-height: 1.5;
+  color: var(--text-primary);
+  margin-bottom: 8px;
+}
+.ask-question-options {
+  display: flex;
+  flex-direction: column;
+  gap: 6px;
+}
+.ask-option-item {
+  border: 1px solid var(--border-color);
+  border-radius: 8px;
+  padding: 8px;
+  background: var(--bg-secondary);
+  width: 100%;
+  text-align: left;
+  cursor: pointer;
+  transition: background 0.12s, border-color 0.12s;
+}
+.ask-option-item:hover {
+  background: var(--accent-light);
+  border-color: var(--accent);
+}
+.ask-option-label {
+  font-size: 12px;
+  font-weight: 600;
+  color: var(--text-primary);
+}
+.ask-option-desc {
+  font-size: 12px;
+  color: var(--text-secondary);
+  line-height: 1.45;
+  margin-top: 4px;
+}
+
 /* Typing indicator */
 .typing-indicator {
   display: inline-flex;
diff --git a/server.js b/server.js
index 7a1a090..2797d87 100644
--- a/server.js
+++ b/server.js
@@ -1155,7 +1155,8 @@ function processClaudeEvent(entry, event, sessionId) {
           entry.fullText += block.text;
           wsSend(entry.ws, { type: 'text_delta', text: block.text });
         } else if (block.type === 'tool_use') {
-          const tc = { name: block.name, id: block.id, input: truncateObj(block.input, 500), done: false };
+          const toolInput = sanitizeToolInput(block.name, block.input);
+          const tc = { name: block.name, id: block.id, input: toolInput, done: false };
           entry.toolCalls.push(tc);
           wsSend(entry.ws, { type: 'tool_start', name: block.name, toolUseId: block.id, input: tc.input });
         } else if (block.type === 'tool_result') {
@@ -1202,6 +1203,29 @@ function truncateObj(obj, maxLen) {
   return s.slice(0, maxLen) + '...';
 }
 
+function safeJsonParse(input) {
+  if (input === null || input === undefined) return input;
+  if (typeof input !== 'string') return input;
+  const trimmed = input.trim();
+  if (!trimmed) return input;
+  if (!((trimmed.startsWith('{') && trimmed.endsWith('}')) || (trimmed.startsWith('[') && trimmed.endsWith(']')))) {
+    return input;
+  }
+  try {
+    return JSON.parse(trimmed);
+  } catch {
+    return input;
+  }
+}
+
+function sanitizeToolInput(toolName, input) {
+  const parsed = safeJsonParse(input);
+  if (toolName === 'AskUserQuestion') {
+    return parsed;
+  }
+  return truncateObj(parsed, 500);
+}
+
 // === Startup ===
 recoverProcesses();