diff --git a/src/channels/feishu/bridge.mjs b/src/channels/feishu/bridge.mjs
index 333bf37..d46ec9b 100644
--- a/src/channels/feishu/bridge.mjs
+++ b/src/channels/feishu/bridge.mjs
@@ -1147,7 +1147,7 @@ export class FeishuHarnessBridge {
         });
       }
       if (source === 'form') {
-        const text = nonEmptyString(event?.action?.formValue?.steer_text);
+        const text = nonEmptyString(event?.action?.form_value?.steer_text);
         if (text) {
           return this.#sendSteer(entry, text).catch((error) => {
             this.#logger.warn?.('[dsh-feishu] steer (form) failed:', error.message);
@@ -1271,7 +1271,7 @@ export class FeishuHarnessBridge {
       return;
     }
     if (action === 'help') {
-      await this.#showHelpCard(chatId);
+      await this.#showHelpCard(key, chatId);
       return;
     }
     if (action === 'back_to_menu') {
@@ -1739,8 +1739,8 @@ export class FeishuHarnessBridge {
   /**
    * Show the help card with all command descriptions.
    */
-  async #showHelpCard(chatId) {
-    await this.#sendCard(chatId, helpCard(WORKSPACE_HELP_LINES), {});
+  async #showHelpCard(key, chatId) {
+    await this.#sendCard(chatId, helpCard(WORKSPACE_HELP_LINES), { key });
   }
 
   /**
@@ -1839,45 +1839,23 @@ export class FeishuHarnessBridge {
 
   /**
    * Handle model selection from the model dropdown.
+   *
+   * Reuses `runModelCommand` (the same path as the `/model <id>` text
+   * command) so model IDs containing `/` (e.g.
+   * `openrouter/anthropic/claude-sonnet-4`) keep working, and all the
+   * catalog validation, busy checks, pending-interaction checks and the
+   * session binding lock stay in one place.
    */
   async #handleModelSelect(key, chatId, modelId) {
     try {
-      const parts = modelId.split('/');
-      if (parts.length !== 2) {
-        await this.#send(chatId, `模型 ID 格式无效：${modelId}`);
-        return;
-      }
-      const [provider, model] = parts;
-      const sessionId = this.#state?.sessionFor?.(key);
-
-      if (typeof sessionId === 'string' && sessionId) {
-        // Select model on the bound session
-        const session = this.#harness.workspaceSession(sessionId);
-        if (!session?.selectModel) {
-          await this.#send(chatId, '当前会话不支持切换模型。');
-          return;
-        }
-        await session.selectModel({ provider, model }, { signal: this.#signal });
-      } else {
-        // No session yet; select default model for future sessions
-        if (typeof this.#harness?.createSession !== 'function') {
-          throw new TypeError('Harness cannot create a session');
-        }
-        const newSessionId = await this.#harness.createSession({ signal: this.#signal });
-        if (typeof newSessionId !== 'string' || !newSessionId) {
-          await this.#send(chatId, '无法创建新会话来选择模型。');
-          return;
-        }
-        const session = this.#harness.workspaceSession(newSessionId);
-        if (!session?.selectModel) {
-          await this.#send(chatId, '新会话不支持切换模型。');
-          return;
-        }
-        await session.selectModel({ provider, model }, { signal: this.#signal });
-        await this.#state.setSession(key, newSessionId);
-      }
-
-      await this.#send(chatId, `模型已切换为：${modelId}`);
+      const result = await runModelCommand(
+        `/model ${modelId}`, this.#harness, this.#state, key, {
+          signal: this.#signal,
+          control: { owner: this, key },
+        },
+      );
+      const message = result?.message || '模型切换失败，请稍后重试。';
+      await this.#send(chatId, message);
       await this.#showSettingsCard(key, chatId);
     } catch (error) {
       this.#logger.warn?.('[dsh-feishu] model select failed:', error.message);
diff --git a/src/channels/feishu/feishu-cards.mjs b/src/channels/feishu/feishu-cards.mjs
index 5b11568..4651d08 100644
--- a/src/channels/feishu/feishu-cards.mjs
+++ b/src/channels/feishu/feishu-cards.mjs
@@ -150,15 +150,16 @@ export function menuCard(ctx) {
   // 会话下拉：列出最近会话，选择即切换（当前绑定会话带 ✓）
   const sessionOptions = (Array.isArray(sessions) ? sessions : []).slice(0, 20);
   if (sessionOptions.length > 0) {
+    const sessionPickOptions = sessionOptions.map((s) => ({
+      text: { tag: 'plain_text', content: `${s.id === currentSessionId ? '✓ ' : ''}${safeTitle(s.title)}` },
+      value: s.id,
+    }));
     elements.push({
       tag: 'select_static',
       name: 'session_pick',
       placeholder: { tag: 'plain_text', content: '切换/续写会话' },
-      initial_index: initialIndex(sessionOptions, currentSessionId),
-      options: sessionOptions.map((s) => ({
-        text: { tag: 'plain_text', content: `${s.id === currentSessionId ? '✓ ' : ''}${safeTitle(s.title)}` },
-        value: s.id,
-      })),
+      initial_index: initialIndex(sessionPickOptions, currentSessionId),
+      options: sessionPickOptions,
       behaviors: [{ type: 'callback', value: { action: 'session_pick' } }],
     });
     elements.push(buttonPair('🆕 新会话', 'new', '📋 全部会话', 'sessions'));
@@ -427,8 +428,8 @@ export function modelCard(catalog) {
     for (const group of groups) {
       for (const model of group.models) {
         allOptions.push({
-          id: `${group.id}/${model.id}`,
-          name: `${group.name} - ${model.name}`,
+          value: `${group.id}/${model.id}`,
+          text: { tag: 'plain_text', content: `${group.name} - ${model.name}` },
         });
       }
     }
@@ -441,8 +442,8 @@ export function modelCard(catalog) {
         placeholder: { tag: 'plain_text', content: '选择模型' },
         initial_index: currentId === null ? 0 : initialIndex(allOptions, currentId),
         options: allOptions.map((opt) => ({
-          text: { tag: 'plain_text', content: `${opt.name}${opt.id === currentId ? ' ✓' : ''}` },
-          value: opt.id,
+          text: { tag: 'plain_text', content: `${opt.text.content}${opt.value === currentId ? ' ✓' : ''}` },
+          value: opt.value,
         })),
         behaviors: [{ type: 'callback', value: { action: 'model_pick' } }],
       },
@@ -782,16 +783,23 @@ export function customSteerCard() {
     { tag: 'div', text: markdown('输入补充指令后点「提交」，发送给当前运行的任务。') },
     { tag: 'hr' },
     {
-      tag: 'input',
-      name: 'steer_text',
-      placeholder: { tag: 'plain_text', content: '输入你的补充指令' },
-    },
-    {
-      tag: 'button',
-      text: { tag: 'plain_text', content: '提交' },
-      type: 'primary',
-      width: 'fill',
-      behaviors: [{ type: 'callback', value: { action: 'steer', source: 'form' } }],
+      tag: 'form',
+      name: 'steer_form',
+      elements: [
+        {
+          tag: 'input',
+          name: 'steer_text',
+          placeholder: { tag: 'plain_text', content: '输入你的补充指令' },
+        },
+        {
+          tag: 'button',
+          text: { tag: 'plain_text', content: '提交' },
+          type: 'primary',
+          width: 'fill',
+          form_action_type: 'submit',
+          behaviors: [{ type: 'callback', value: { action: 'steer', source: 'form' } }],
+        },
+      ],
     },
     { tag: 'hr' },
     button('🔙 返回菜单', 'back_to_menu'),
diff --git a/test/channels/feishu/bridge.test.mjs b/test/channels/feishu/bridge.test.mjs
index 96c228a..3031868 100644
--- a/test/channels/feishu/bridge.test.mjs
+++ b/test/channels/feishu/bridge.test.mjs
@@ -2868,3 +2868,177 @@ test('archived sessions are hidden by default; /archived on reveals them', async
   const useOn = useActionsFromCard(cards.at(-1));
   assert.deepEqual(useOn, ['live-session', 'old-session'], '/archived on restores archived sessions');
 });
+
+// ── stop / steer while a task is running (menu card interactions) ──────────
+
+function activeTurnHarness({ stopped = true, steered = true } = {}) {
+  const calls = { stop: [], steer: [], sessions: [] };
+  return {
+    calls,
+    harness: {
+      ensureRunning: async () => true,
+      workspaceSession: (id) => {
+        calls.sessions.push(id);
+        return {
+          async stopActiveTurn(control, options) {
+            calls.stop.push({ control, options });
+            return stopped;
+          },
+          async steerActiveTurn(text, control, options) {
+            calls.steer.push({ text, control, options });
+            return steered;
+          },
+        };
+      },
+    },
+  };
+}
+
+function steerDropdownEvent(messageId, option, operatorOpenId) {
+  return {
+    operator: { open_id: operatorOpenId },
+    action: { value: { action: 'steer_pick' }, option },
+    context: { open_message_id: messageId },
+  };
+}
+
+test('menu stop button stops the bound active turn without touching the model', async () => {
+  const fixture = stateFixture([['p2p:ou_owner', 'session-active']]);
+  const sent = [];
+  const { calls, harness } = activeTurnHarness();
+  const bridge = new FeishuHarnessBridge({
+    client: cardClient(async (outgoing) => sent.push(outgoing)),
+    channel: {},
+    harness,
+    state: fixture.state,
+    status: bridgeStatus(),
+    allowedSenderOpenIds: new Set(['ou_owner']),
+  });
+
+  await bridge.accept(event('menu-stop-open', '/m', { senderOpenId: 'ou_owner' }));
+  await bridge.waitForIdle();
+  assert.equal(sent.length, 1);
+
+  await bridge.onCardAction(cardActionEvent('om_card_1', 'stop', 'ou_owner'));
+  await bridge.waitForIdle();
+
+  assert.equal(calls.sessions.some((id) => id === 'session-active'), true);
+  assert.equal(calls.stop.length, 1);
+  assert.equal(calls.stop[0].control.key, 'p2p:ou_owner');
+  assert.match(JSON.parse(sent.at(-1).content).text, /已请求停止当前任务/);
+});
+
+test('menu steer dropdown sends a quick instruction to the active turn', async () => {
+  const fixture = stateFixture([['p2p:ou_owner', 'session-active']]);
+  const sent = [];
+  const { calls, harness } = activeTurnHarness();
+  const bridge = new FeishuHarnessBridge({
+    client: cardClient(async (outgoing) => sent.push(outgoing)),
+    channel: {},
+    harness,
+    state: fixture.state,
+    status: bridgeStatus(),
+    allowedSenderOpenIds: new Set(['ou_owner']),
+  });
+
+  await bridge.accept(event('menu-steer-open', '/m', { senderOpenId: 'ou_owner' }));
+  await bridge.waitForIdle();
+  assert.equal(sent.length, 1);
+
+  await bridge.onCardAction(steerDropdownEvent('om_card_1', '继续', 'ou_owner'));
+  await bridge.waitForIdle();
+
+  assert.equal(calls.steer.length, 1);
+  assert.equal(calls.steer[0].text, '继续');
+  assert.equal(calls.steer[0].control.key, 'p2p:ou_owner');
+  assert.match(JSON.parse(sent.at(-1).content).text, /已提交补充指令/);
+});
+
+test('menu steer custom option opens the form card without steering', async () => {
+  const fixture = stateFixture([['p2p:ou_owner', 'session-active']]);
+  const sent = [];
+  const { calls, harness } = activeTurnHarness();
+  const bridge = new FeishuHarnessBridge({
+    client: cardClient(async (outgoing) => sent.push(outgoing)),
+    channel: {},
+    harness,
+    state: fixture.state,
+    status: bridgeStatus(),
+    allowedSenderOpenIds: new Set(['ou_owner']),
+  });
+
+  await bridge.accept(event('menu-steer-custom-open', '/m', { senderOpenId: 'ou_owner' }));
+  await bridge.waitForIdle();
+  await bridge.onCardAction(steerDropdownEvent('om_card_1', 'custom', 'ou_owner'));
+  await bridge.waitForIdle();
+
+  assert.equal(calls.steer.length, 0, 'custom option must not steer yet');
+  const customCard = sent.at(-1);
+  assert.equal(customCard.msgType, 'interactive');
+  const form = customCard.content.body.elements.find((el) => el.tag === 'form');
+  assert.ok(form, 'custom steer card must contain a form');
+  const submit = form.elements.find((el) => el.tag === 'button');
+  assert.equal(submit?.form_action_type, 'submit');
+});
+
+test('custom steer form submission reads form_value and steers the active turn', async () => {
+  const fixture = stateFixture([['p2p:ou_owner', 'session-active']]);
+  const sent = [];
+  const { calls, harness } = activeTurnHarness();
+  const bridge = new FeishuHarnessBridge({
+    client: cardClient(async (outgoing) => sent.push(outgoing)),
+    channel: {},
+    harness,
+    state: fixture.state,
+    status: bridgeStatus(),
+    allowedSenderOpenIds: new Set(['ou_owner']),
+  });
+
+  await bridge.accept(event('steer-form-open', '/m', { senderOpenId: 'ou_owner' }));
+  await bridge.waitForIdle();
+  // 主菜单 steer 下拉选「更多/自定义」→ 发送 custom 表单卡（第二次 create → om_card_2）
+  await bridge.onCardAction(steerDropdownEvent('om_card_1', 'custom', 'ou_owner'));
+  await bridge.waitForIdle();
+  assert.equal(sent.at(-1).msgType, 'interactive');
+
+  await bridge.onCardAction({
+    operator: { open_id: 'ou_owner' },
+    action: {
+      value: { action: 'steer', source: 'form' },
+      form_value: { steer_text: '更简洁些' },
+    },
+    context: { open_message_id: 'om_card_2' },
+  });
+  await bridge.waitForIdle();
+
+  assert.equal(calls.steer.length, 1);
+  assert.equal(calls.steer[0].text, '更简洁些');
+  assert.equal(calls.steer[0].control.key, 'p2p:ou_owner');
+  assert.match(JSON.parse(sent.at(-1).content).text, /已提交补充指令/);
+});
+
+test('menu stop and steer reply friendly when no session is bound', async () => {
+  const fixture = stateFixture();
+  const sent = [];
+  const { calls, harness } = activeTurnHarness();
+  const bridge = new FeishuHarnessBridge({
+    client: cardClient(async (outgoing) => sent.push(outgoing)),
+    channel: {},
+    harness,
+    state: fixture.state,
+    status: bridgeStatus(),
+    allowedSenderOpenIds: new Set(['ou_owner']),
+  });
+
+  await bridge.accept(event('menu-nosession-open', '/m', { senderOpenId: 'ou_owner' }));
+  await bridge.waitForIdle();
+  await bridge.onCardAction(cardActionEvent('om_card_1', 'stop', 'ou_owner'));
+  await bridge.waitForIdle();
+  assert.equal(calls.stop.length, 0);
+  assert.match(JSON.parse(sent.at(-1).content).text, /没有正在运行/);
+
+  await bridge.onCardAction(steerDropdownEvent('om_card_1', '继续', 'ou_owner'));
+  await bridge.waitForIdle();
+  assert.equal(calls.steer.length, 0);
+  assert.match(JSON.parse(sent.at(-1).content).text, /普通消息/);
+});
diff --git a/test/channels/feishu/feishu-cards.test.mjs b/test/channels/feishu/feishu-cards.test.mjs
index 662f20c..a342a01 100644
--- a/test/channels/feishu/feishu-cards.test.mjs
+++ b/test/channels/feishu/feishu-cards.test.mjs
@@ -2,8 +2,10 @@ import assert from 'node:assert/strict';
 import test from 'node:test';
 import {
   cardActionProbeCard,
+  customSteerCard,
   menuCard,
   menuHelpText,
+  modelCard,
 } from '../../../src/channels/feishu/feishu-cards.mjs';
 
 function buttons(value, result = []) {
@@ -17,6 +19,28 @@ function buttons(value, result = []) {
   return result;
 }
 
+function selects(value, result = []) {
+  if (Array.isArray(value)) {
+    for (const item of value) selects(item, result);
+    return result;
+  }
+  if (!value || typeof value !== 'object') return result;
+  if (value.tag === 'select_static') result.push(value);
+  for (const child of Object.values(value)) selects(child, result);
+  return result;
+}
+
+function forms(value, result = []) {
+  if (Array.isArray(value)) {
+    for (const item of value) forms(item, result);
+    return result;
+  }
+  if (!value || typeof value !== 'object') return result;
+  if (value.tag === 'form') result.push(value);
+  for (const child of Object.values(value)) forms(child, result);
+  return result;
+}
+
 test('menu exposes the increased command set and keeps repair number-only', () => {
   const card = JSON.parse(menuCard());
   assert.match(JSON.stringify(card), /6 · 修复卡片按钮/);
@@ -49,3 +73,57 @@ test('card-action probe carries only its action and opaque nonce', () => {
   }]);
   assert.throws(() => cardActionProbeCard('{{client_id}}'), /safe card-action probe nonce/);
 });
+
+test('custom steer card wraps input and submit in a form container', () => {
+  const card = JSON.parse(customSteerCard());
+  const form = forms(card)[0];
+  assert.ok(form, 'custom steer card must contain a form container');
+  assert.equal(form.name, 'steer_form');
+  const inputs = buttons(form).filter((element) => element.tag === 'input');
+  // inputs are not buttons; scan form.elements directly
+  const input = form.elements.find((element) => element.tag === 'input');
+  assert.equal(input?.name, 'steer_text');
+  const submit = form.elements.find((element) => element.tag === 'button');
+  assert.equal(submit?.form_action_type, 'submit');
+  assert.deepEqual(submit?.behaviors, [{
+    type: 'callback',
+    value: { action: 'steer', source: 'form' },
+  }]);
+  // 表单外的返回菜单按钮仍保留
+  const back = buttons(card).find((b) => b.behaviors?.[0]?.value?.action === 'back_to_menu');
+  assert.ok(back);
+});
+
+test('menu session dropdown highlights the currently bound session via initial_index', () => {
+  const sessions = [
+    { id: 'session-1', title: 'First' },
+    { id: 'session-2', title: 'Second' },
+    { id: 'session-3', title: 'Third' },
+  ];
+  const card = JSON.parse(menuCard({
+    currentSession: { id: 'session-2', title: 'Second' },
+    sessions,
+  }));
+  const pick = selects(card).find((s) => s.name === 'session_pick');
+  assert.ok(pick, 'menu must render a session dropdown');
+  // initial_index is 1-based; the currently bound session sits at index 2.
+  assert.equal(pick.initial_index, 2);
+});
+
+test('model card dropdown highlights the current model via initial_index', () => {
+  const catalog = {
+    groups: [
+      { id: 'openrouter', name: 'OpenRouter', models: [
+        { id: 'anthropic/claude-sonnet-4', name: 'Claude Sonnet 4' },
+        { id: 'deepseek/deepseek-chat', name: 'DeepSeek Chat' },
+      ] },
+    ],
+    current: { provider: 'openrouter', model: 'deepseek/deepseek-chat' },
+  };
+  const card = JSON.parse(modelCard(catalog));
+  const pick = selects(card).find((s) => s.name === 'model_pick');
+  assert.ok(pick, 'model card must render a dropdown');
+  // deepseek/deepseek-chat is the second option (1-based index 2), even
+  // though the id itself contains a `/`.
+  assert.equal(pick.initial_index, 2);
+});