diff --git a/src/components/RichTextEditor.vue b/src/components/RichTextEditor.vue
index 99a7c9c..91df2df 100644
--- a/src/components/RichTextEditor.vue
+++ b/src/components/RichTextEditor.vue
@@ -1,19 +1,19 @@
 <template>
   <div class="editor-container">
     <!-- 工具栏 -->
-    <div class="toolbar" :class="{ visible: isToolbarVisible }" @mousedown.prevent @focusin="keepToolbarVisible" @focusout="handleToolbarFocusOut">
+    <div class="toolbar" :class="{ visible: isToolbarVisible, 'keyboard-visible': isKeyboardVisible, 'dynamic-position': isKeyboardVisible }" @mousedown.prevent @focusin="keepToolbarVisible" @focusout="handleToolbarFocusOut">
       <button v-for="tool in tools" :key="tool.name" :class="{ active: tool.active }" @click.stop="handleToolClick(tool.action, $event)" @mousedown.prevent @focusout.prevent class="toolbar-btn">
         <img :src="tool.icon" :alt="tool.name" class="toolbar-icon" />
       </button>
     </div>
 
     <!-- 编辑区域 -->
-    <div ref="editorRef" contenteditable="true" class="editor-content" @input="handleInput" @keydown="handleKeydown" @click="updateToolbarState" @keyup="updateToolbarState" @focus="showToolbar" @blur="hideToolbar"></div>
+    <div ref="editorRef" contenteditable="true" class="editor-content" @input="handleInput" @keydown="handleKeydown" @click="updateToolbarState" @keyup="updateToolbarState" @focus="showToolbar" @blur="handleBlur"></div>
   </div>
 </template>
 
 <script setup>
-import { ref, onMounted, nextTick } from 'vue'
+import { ref, onMounted, onUnmounted, nextTick, watch } from 'vue'
 
 const props = defineProps({
   modelValue: {
@@ -27,6 +27,8 @@ const emit = defineEmits(['update:modelValue'])
 const editorRef = ref(null)
 const content = ref(props.modelValue || '')
 const isToolbarVisible = ref(false)
+const isKeyboardVisible = ref(false)
+const initialViewportHeight = ref(0)
 
 // 初始化编辑器内容
 onMounted(() => {
@@ -48,6 +50,28 @@ onMounted(() => {
       console.log('Editor initialized without initial content')
     }
   }
+  
+  // 记录初始视口高度
+  initialViewportHeight.value = window.visualViewport?.height || window.innerHeight
+  
+  // 初始化CSS变量
+  document.documentElement.style.setProperty('--viewport-height', `${initialViewportHeight.value}px`)
+  
+  // 添加虚拟键盘检测事件监听器
+  if (window.visualViewport) {
+    window.visualViewport.addEventListener('resize', handleViewportResize)
+  } else {
+    window.addEventListener('resize', handleWindowResize)
+  }
+})
+
+// 组件卸载时移除事件监听器
+onUnmounted(() => {
+  if (window.visualViewport) {
+    window.visualViewport.removeEventListener('resize', handleViewportResize)
+  } else {
+    window.removeEventListener('resize', handleWindowResize)
+  }
 })
 
 // 工具栏配置
@@ -718,6 +742,67 @@ const updateToolbarState = () => {
   })
 }
 
+// 处理视口大小变化（用于检测虚拟键盘）
+const handleViewportResize = () => {
+  if (!window.visualViewport) return
+  
+  const currentHeight = window.visualViewport.height
+  const heightDifference = initialViewportHeight.value - currentHeight
+  
+  // 如果高度差超过150px，认为虚拟键盘已弹出
+  isKeyboardVisible.value = heightDifference > 150
+  
+  // 动态设置CSS变量以调整工具栏位置
+  document.documentElement.style.setProperty('--viewport-height', `${currentHeight}px`)
+  
+  // 根据虚拟键盘状态更新工具栏可见性
+  updateToolbarVisibility()
+}
+
+// 处理窗口大小变化（备用方案）
+const handleWindowResize = () => {
+  const currentHeight = window.innerHeight
+  const heightDifference = initialViewportHeight.value - currentHeight
+  
+  // 如果高度差超过150px，认为虚拟键盘已弹出
+  isKeyboardVisible.value = heightDifference > 150
+  
+  // 根据虚拟键盘状态更新工具栏可见性
+  updateToolbarVisibility()
+}
+
+// 更新工具栏可见性
+const updateToolbarVisibility = () => {
+  // 只有当编辑器有焦点且虚拟键盘可见时才显示工具栏
+  if (isKeyboardVisible.value && (document.activeElement === editorRef.value || isTodoContentActive())) {
+    isToolbarVisible.value = true
+  } else {
+    // 延迟隐藏工具栏，确保用户有时间操作
+    setTimeout(() => {
+      // 只有在没有待办事项获得焦点且虚拟键盘不可见时才隐藏工具栏
+      if (!isTodoContentActive() && !isKeyboardVisible.value) {
+        isToolbarVisible.value = false
+      }
+    }, 200)
+  }
+}
+
+// 检查是否有待办事项内容区域获得焦点
+const isTodoContentActive = () => {
+  const todoContentElements = document.querySelectorAll('.todo-content')
+  for (let i = 0; i < todoContentElements.length; i++) {
+    if (todoContentElements[i] === document.activeElement || todoContentElements[i].contains(document.activeElement)) {
+      return true
+    }
+  }
+  return false
+}
+
+// 监听虚拟键盘状态变化
+watch(isKeyboardVisible, (newVal) => {
+  updateToolbarVisibility()
+})
+
 // 初始化编辑器内容
 onMounted(() => {
   if (editorRef.value) {
@@ -727,11 +812,14 @@ onMounted(() => {
 
 // 显示工具栏
 const showToolbar = () => {
-  isToolbarVisible.value = true
+  // 只有当虚拟键盘可见时才显示工具栏
+  if (isKeyboardVisible.value) {
+    isToolbarVisible.value = true
+  }
 }
 
-// 隐藏工具栏
-const hideToolbar = () => {
+// 处理编辑器失焦
+const handleBlur = () => {
   // 不立即隐藏工具栏，而是通过handleToolbarFocusOut处理
   // 添加延迟以确保点击工具栏按钮时不会立即隐藏
   setTimeout(() => {
@@ -764,6 +852,11 @@ const handleToolClick = (action, event) => {
     // 对于待办事项，确保工具栏保持可见
     isToolbarVisible.value = true
   }
+  
+  // 确保工具栏在虚拟键盘可见时保持显示
+  if (isKeyboardVisible.value) {
+    isToolbarVisible.value = true
+  }
 }
 
 // 保持工具栏可见
@@ -791,8 +884,8 @@ const handleToolbarFocusOut = () => {
         }
       }
 
-      // 只有在没有待办事项获得焦点时才隐藏工具栏
-      if (!todoHasFocus) {
+      // 只有在没有待办事项获得焦点且虚拟键盘不可见时才隐藏工具栏
+      if (!todoHasFocus && !isKeyboardVisible.value) {
         isToolbarVisible.value = false
       }
     }
@@ -925,6 +1018,20 @@ defineExpose({
   transform: translateY(0);
 }
 
+/* 当虚拟键盘可见时，调整工具栏位置 */
+.toolbar.keyboard-visible {
+  bottom: 0;
+}
+
+/* 使用visualViewport API动态调整工具栏位置 */
+.toolbar.dynamic-position {
+  bottom: calc(100vh - var(--viewport-height, 100vh));
+}
+
+.toolbar.visible {
+  transform: translateY(0);
+}
+
 .toolbar-btn {
   padding: 0.375rem;
   margin-right: 0.375rem;
@@ -1097,6 +1204,7 @@ defineExpose({
   border: 0.625rem solid white;
   border-radius: 0.2rem;
   box-shadow: 0 1px 5px rgba(0, 0, 0, 0.18);
+  background: var(--background-secondary);
 }
 
 /* 待办事项样式 */