diff --git a/static/src/components/chat/monitor/MonitorDirector.ts b/static/src/components/chat/monitor/MonitorDirector.ts
index fb045ae..d18781c 100644
--- a/static/src/components/chat/monitor/MonitorDirector.ts
+++ b/static/src/components/chat/monitor/MonitorDirector.ts
@@ -2774,22 +2774,27 @@ export class MonitorDirector implements MonitorDriver {
         payload?.arguments?.title ||
         payload?.arguments?.task ||
         '待办摘要';
-      const tasks = this.normalizeTodoTasks(payload?.arguments?.tasks || summary);
-      await this.ensureTodoWindowVisible();
-      await this.typeTodoSummary(summary);
-      for (const task of tasks) {
-        await this.animateTodoAppend(task);
-      }
-      await sleep(320);
-    };
+    const tasks = this.normalizeTodoTasks(payload?.arguments?.tasks || summary);
+    await this.ensureTodoWindowVisible();
+    this.resetTodoBoard({ summary: true, list: true });
+    await this.typeTodoSummary(summary);
+    for (const task of tasks) {
+      await this.animateTodoAppend(task, { scrollIntoView: false });
+    }
+    if (this.elements.todoList) {
+      this.elements.todoList.scrollTop = 0;
+    }
+    await sleep(320);
+  };
 
     this.sceneHandlers.todoUpdate = async (payload, runtime) => {
       this.applySceneStatus(runtime, 'todoUpdate', '正在调整待办');
       await this.ensureTodoWindowVisible();
       const targetText = payload?.arguments?.title || payload?.arguments?.task || null;
+      const targetIndex = Number(payload?.arguments?.task_index || payload?.arguments?.index || 0) || null;
       const completed =
         payload?.arguments?.completed ?? payload?.arguments?.done ?? payload?.arguments?.checked ?? true;
-      await this.toggleTodoItem(targetText, !!completed);
+      await this.toggleTodoItem(targetText, !!completed, targetIndex);
       await sleep(260);
     };
 
@@ -2801,6 +2806,7 @@ export class MonitorDirector implements MonitorDriver {
         await this.click();
       }
       this.closeWindow(this.elements.todoWindow);
+      this.resetTodoBoard({ summary: true, list: true });
       await sleep(320);
     };
 
@@ -5015,11 +5021,18 @@ export class MonitorDirector implements MonitorDriver {
   }
 
   private findTodoItemByText(text?: string | null): HTMLElement | null {
-    if (!text) return this.getTodoItems()[0] || null;
+    if (!text) return null;
     const target = (text || '').trim();
     return this.getTodoItems().find(item => item.querySelector('.todo-text')?.textContent?.trim() === target) || null;
   }
 
+  private findTodoItemByIndex(index?: number | null): HTMLElement | null {
+    if (!index || index < 1) return null;
+    const items = this.getTodoItems();
+    if (index > items.length) return null;
+    return items[index - 1];
+  }
+
   private normalizeTodoTasks(raw: any): Array<{ text: string; done?: boolean }> {
     if (Array.isArray(raw)) {
       return raw
@@ -5027,7 +5040,14 @@ export class MonitorDirector implements MonitorDriver {
           if (typeof item === 'string') return { text: item, done: false };
           if (item && typeof item === 'object') {
             const text = String(item.title || item.task || item.text || '').trim();
-            const done = typeof item.completed === 'boolean' ? item.completed : !!item.done;
+            const done =
+              typeof item.completed === 'boolean'
+                ? item.completed
+                : typeof item.done === 'boolean'
+                  ? item.done
+                  : typeof item.checked === 'boolean'
+                    ? item.checked
+                    : false;
             if (!text) return null;
             return { text, done };
           }
@@ -5068,6 +5088,17 @@ export class MonitorDirector implements MonitorDriver {
     });
   }
 
+  private resetTodoBoard(options: { summary?: boolean; list?: boolean } = {}) {
+    const { summary = true, list = true } = options;
+    if (summary && this.elements.todoSummary) {
+      this.elements.todoSummary.textContent = '';
+    }
+    if (list && this.elements.todoList) {
+      this.elements.todoList.innerHTML = '';
+      this.elements.todoList.scrollTop = 0;
+    }
+  }
+
   private async ensureTodoWindowVisible() {
     if (this.isWindowVisible(this.elements.todoWindow)) {
       this.showWindow(this.elements.todoWindow);
@@ -5076,6 +5107,7 @@ export class MonitorDirector implements MonitorDriver {
     await this.movePointerToApp('todo');
     await this.click({ count: 2 });
     this.showWindow(this.elements.todoWindow);
+    this.resetTodoBoard({ summary: true, list: true });
   }
 
   private async typeTodoSummary(text: string) {
@@ -5090,26 +5122,44 @@ export class MonitorDirector implements MonitorDriver {
     }
   }
 
-  private async animateTodoAppend(task: { text: string; done?: boolean }) {
+  private async animateTodoAppend(task: { text: string; done?: boolean }, options: { scrollIntoView?: boolean } = {}) {
     if (!this.elements.todoList) return;
+    const { scrollIntoView = false } = options;
     const card = this.createTodoItem(task.text, !!task.done);
     this.elements.todoList.appendChild(card);
     requestAnimationFrame(() => card.classList.add('visible'));
-    await this.scrollTodoItemIntoView(card);
+    if (scrollIntoView) {
+      await this.scrollTodoItemIntoView(card);
+    }
     await sleep(180);
   }
 
   private async scrollTodoItemIntoView(card: HTMLElement | null) {
     if (!card || !this.elements.todoList) return;
     const body = this.elements.todoList;
-    const targetTop = card.offsetTop - body.clientHeight * 0.2;
-    const clamped = Math.max(0, targetTop);
-    body.scrollTo({ top: clamped, behavior: 'smooth' });
-    await this.waitForScrollSettled(body, clamped);
+    const cardTop = card.offsetTop;
+    const cardBottom = cardTop + card.offsetHeight;
+    const viewTop = body.scrollTop;
+    const viewBottom = viewTop + body.clientHeight;
+
+    // 如果完整可见，直接返回
+    if (cardTop >= viewTop && cardBottom <= viewBottom) {
+      return;
+    }
+
+    // 让整个卡片进入视口：若底部被遮挡，滚到卡片底部露出；否则滚到卡片顶部
+    const targetTop =
+      cardBottom > viewBottom ? cardBottom - body.clientHeight + 4 : Math.max(0, cardTop - 4);
+
+    body.scrollTop = Math.max(0, targetTop);
+    await sleep(30);
   }
 
-  private async toggleTodoItem(text?: string | null, done?: boolean) {
-    const card = this.findTodoItemByText(text);
+  private async toggleTodoItem(text?: string | null, done?: boolean, index?: number | null) {
+    const card =
+      this.findTodoItemByIndex(index) ||
+      this.findTodoItemByText(text) ||
+      (!text && !index ? this.getTodoItems()[0] : null);
     if (!card) return;
     await this.scrollTodoItemIntoView(card);
     const check = card.querySelector('.todo-check') as HTMLElement | null;
diff --git a/static/src/styles/components/chat/_virtual-monitor.scss b/static/src/styles/components/chat/_virtual-monitor.scss
index 8325e09..ebe7ff4 100644
--- a/static/src/styles/components/chat/_virtual-monitor.scss
+++ b/static/src/styles/components/chat/_virtual-monitor.scss
@@ -1139,10 +1139,10 @@
 
 /* Todo Window */
 .virtual-monitor-surface .todo-window {
-    width: 520px;
-    height: 360px;
-    top: 180px;
-    left: 520px;
+    width: 360px;
+    height: 300px;
+    top: 110px;
+    left: 640px;
     display: flex;
     flex-direction: column;
 }
@@ -1153,6 +1153,7 @@
     flex-direction: column;
     gap: 12px;
     padding: 12px;
+    overflow: hidden;
 }
 
 .virtual-monitor-surface .todo-summary {
@@ -1168,13 +1169,16 @@
 }
 
 .virtual-monitor-surface .todo-progress {
-    flex: 1 1 auto;
+    flex: 1 1 0%;
     min-height: 0;
+    max-height: 100%;
     display: flex;
     flex-direction: column;
     gap: 10px;
-    overflow-y: auto;
+    height: 100%;
+    overflow-y: auto !important;
     padding-right: 2px;
+    overscroll-behavior: contain;
 }
 
 .virtual-monitor-surface .todo-summary,