diff --git a/shell/platform/ohos/BUILD.gn b/shell/platform/ohos/BUILD.gn
index e9f11044a738b427b881a87b3fa7562d1c6bcf8c..9dda39bf4609d039466bc4b852347a6a2bae4dd8 100644
--- a/shell/platform/ohos/BUILD.gn
+++ b/shell/platform/ohos/BUILD.gn
@@ -78,7 +78,6 @@ source_set("flutter_ohos_sources") {
              "platform_view_ohos_delegate.h",
              "./accessibility/ohos_accessibility_bridge.h",
              "./accessibility/ohos_accessibility_features.h",
-             "./accessibility/ohos_accessibility_manager.h",
              "./accessibility/native_accessibility_channel.h",
              "./accessibility/ohos_accessibility_ddl.h",
              "./utils/ddl_utils.h",
@@ -117,7 +116,6 @@ source_set("flutter_ohos_sources") {
       "platform_view_ohos_delegate.cpp",
       "./accessibility/ohos_accessibility_bridge.cpp",
       "./accessibility/ohos_accessibility_features.cpp",
-      "./accessibility/ohos_accessibility_manager.cpp",
       "./accessibility/native_accessibility_channel.cpp",
       "./accessibility/ohos_accessibility_ddl.cpp",
       "./utils/ohos_utils.cpp"
diff --git a/shell/platform/ohos/accessibility/native_accessibility_channel.cpp b/shell/platform/ohos/accessibility/native_accessibility_channel.cpp
index 68f52cf1a3144e0fffcf88db85152a58eb5ca0e7..a391b093599f2742ffdb865c973c34cb235365f5 100644
--- a/shell/platform/ohos/accessibility/native_accessibility_channel.cpp
+++ b/shell/platform/ohos/accessibility/native_accessibility_channel.cpp
@@ -74,7 +74,7 @@ namespace flutter {
       flutter::SemanticsNodeUpdates update,
       flutter::CustomAccessibilityActionUpdates actions)
   {
-      OhosAccessibilityBridge::GetInstance()->UpdateSemantics(update, actions);
+      OhosAccessibilityBridge::GetInstance()->UpdateSemantics(std::move(update), std::move(actions));
   }  
 
   /**
diff --git a/shell/platform/ohos/accessibility/ohos_accessibility_bridge.cpp b/shell/platform/ohos/accessibility/ohos_accessibility_bridge.cpp
index 97aa8119b79c487fd9e3423ff28d0beae9e29c59..d564367082beb80c4077e9d2ef825a38fac831ad 100644
--- a/shell/platform/ohos/accessibility/ohos_accessibility_bridge.cpp
+++ b/shell/platform/ohos/accessibility/ohos_accessibility_bridge.cpp
@@ -7,6 +7,7 @@
 #include <limits>
 #include <cstring>
 #include <deviceinfo.h>
+#include <unordered_set>
 #include "flutter/fml/logging.h"
 #include "flutter/shell/platform/ohos/ohos_logging.h"
 #include "flutter/shell/common/platform_view.h"
@@ -20,6 +21,25 @@ const int32_t OhosAccessibilityBridge::OHOS_API_VERSION = OH_GetSdkApiVersion();
 
 std::unique_ptr<OhosAccessibilityBridge> OhosAccessibilityBridge::bridgeInstance_ = nullptr;
 
+/**
+ * 采用局部静态变量配合call-once特性，实现线程安全的单例模式
+ */
+OhosAccessibilityBridge* OhosAccessibilityBridge::GetInstance() 
+{
+    static std::once_flag onceFlag;
+    std::call_once(onceFlag, []() {
+        bridgeInstance_.reset(new OhosAccessibilityBridge());
+    });
+    return bridgeInstance_.get();
+}
+
+OhosAccessibilityBridge::OhosAccessibilityBridge()
+: xcomponentId_("oh_flutter_1"),
+  native_shell_holder_id_(0),
+  isFlutterNavigated_(false),
+  isTouchGuideOn_(false),
+  isAccessibilityEnabled_(false) {}
+
 /**
  * flutter无障碍相关语义树、句柄指针provider等参数
  * 跟随xcomponentid显示切换，而加载对应xcomponent的语义树和provider指针
@@ -30,7 +50,10 @@ void OhosAccessibilityBridge::AccessibiltiyChangesWithXComponentId()
     auto xcompMap = XComponentAdapter::GetInstance()->xcomponetMap_;
     // 获取当前显示的xcomponetid
     std::string currXcompId = XComponentAdapter::GetInstance()->currentXComponentId_;
-    if (xcomponentId_ == currXcompId) { return; }
+    if (xcomponentId_ == currXcompId) { 
+        xcomponentId_ = currXcompId;
+        return; 
+    }
 
     auto it = xcompMap.find(currXcompId);
     if (!xcompMap.empty() && it != xcompMap.end()) {
@@ -38,32 +61,14 @@ void OhosAccessibilityBridge::AccessibiltiyChangesWithXComponentId()
         xcomponentId_ = currXcompId;
         native_shell_holder_id_ = std::stoll(it->second->shellholderId_);
         g_flutterSemanticsTree = g_flutterSemanticsTreeXComponents[xcomponentId_];
-        g_parentChildIdVec = g_parentChildIdVecXComponents[xcomponentId_];
         FML_DLOG(INFO) << "AccessibiltiyChangesWithXComponentId -> xcomponentid:" << xcomponentId_;
     } else {
         xcomponentId_ = "oh_flutter_1";
         g_flutterSemanticsTree = g_flutterSemanticsTreeXComponents[xcomponentId_];
-        g_parentChildIdVec = g_parentChildIdVecXComponents[xcomponentId_];
         FML_DLOG(INFO) << "AccessibiltiyChangesWithXComponentId -> xcomponentid:" << xcomponentId_;
     }
 }
 
-/**
- * 采用局部静态变量配合call-once特性，实现线程安全的单例模式
- */
-OhosAccessibilityBridge* OhosAccessibilityBridge::GetInstance() 
-{
-    static std::once_flag onceFlag;
-    std::call_once(onceFlag, []() {
-        bridgeInstance_.reset(new OhosAccessibilityBridge());
-    });
-    return bridgeInstance_.get();
-}
-
-OhosAccessibilityBridge::OhosAccessibilityBridge()
-    : isFlutterNavigated_(false),
-      isAccessibilityEnabled_(false) {}
-
 /**
  * 监听当前ohos平台是否开启无障碍屏幕朗读服务
  */
@@ -84,20 +89,6 @@ void OhosAccessibilityBridge::OnOhosAccessibilityStateChange(
     }
 }
 
-/**
- * build the id mapping betwween parent node and its children nodes
- */
-void OhosAccessibilityBridge::BuildParentChildNodeIdRelation(
-    const SemanticsNodeExtent& node)
-{
-    if (!IsNodeVisible(node)) { return; }
-    for (const auto& childId : node.childrenInTraversalOrder) {
-        auto childNode = GetFlutterSemanticsNode(childId);
-        if (!IsNodeVisible(childNode)) { continue; }
-        g_parentChildIdVec.emplace_back(std::make_pair(node.id, childId));
-    }
-}
-
 /**
  * 从dart侧传递到c++侧的flutter无障碍语义树节点更新过程，
  * 路由新页面、滑动页面等操作会自动触发该语义树的更新
@@ -107,9 +98,11 @@ void OhosAccessibilityBridge::UpdateSemantics(
     flutter::CustomAccessibilityActionUpdates actions)
 {
     FML_DLOG(INFO) << "OhosAccessibilityBridge::UpdateSemantics()";
-    std::vector<SemanticsNodeExtent> updatedFlutterNodes;
+    std::unordered_set<SemanticsNodeExtent, SemanticsNodeExtent::Hash> updatedFlutterNodes;
+    AccessibiltiyChangesWithXComponentId();
 
-    // 当flutter页面状态更新（路由新页面）时，自动请求root节点组件获焦（规避滑动组件更新干扰）
+    // request rootNode when routes a new flutter page
+    // on touch guide mode (screen reader is on)
     if (isFlutterNavigated_) {
         RequestFocusWhenPageUpdate(0);
         isFlutterNavigated_ = false;
@@ -119,41 +112,30 @@ void OhosAccessibilityBridge::UpdateSemantics(
     for (const auto& item : update) {
         // 获取当前更新的节点node
         const auto& node = item.second;
-        FML_DLOG(INFO) << "*#*#* node.id=" << node.id;
         // 更新扩展的SemanticsNode信息
-        auto nodeEx = UpdatetSemanticsNodeExtent(node);
+        auto nodeEx = UpdatetSemanticsNodeExtent(std::move(node));
 
-        // 构建flutter无障碍语义节点树
         g_flutterSemanticsTree[nodeEx.id] = nodeEx;
-        // 构建flutter节点的父子id映射关系
-        BuildParentChildNodeIdRelation(nodeEx);
-
-        //print semantics node and flags info for debugging
-        GetSemanticsNodeDebugInfo(nodeEx);
-        GetSemanticsFlagsDebugInfo(nodeEx);
 
         if (!IsNodeVisible(nodeEx)) { continue; }
 
-        // 若当前节点为获焦
-        if (IsNodeFocused(nodeEx)) {
-            inputFocusedNode = nodeEx;
-        }
         // 若当前节点和更新前节点信息不同，则加入更新节点数组
         if (nodeEx.hadPreviousConfig) {
-            updatedFlutterNodes.emplace_back(nodeEx);
+            updatedFlutterNodes.emplace(nodeEx);
             FML_DLOG(INFO) << "updatedFlutterNodes -> node.id=" << nodeEx.id;
         }
     }
+    // calculate the global tranfom matrix and parent id for each node
+    ComputeGlobalTransformAndParentId();
 
     // 将更新后的flutter语义树和父子节点id映射缓存，保存到相应的xcomponent里面
     g_flutterSemanticsTreeXComponents[xcomponentId_] = g_flutterSemanticsTree;
-    g_parentChildIdVecXComponents[xcomponentId_] = g_parentChildIdVec;
-
-    // 页面内容更新事件
-    Flutter_SendAccessibilityAsyncEvent(0,
-        ArkUI_AccessibilityEventType::
-            ARKUI_ACCESSIBILITY_NATIVE_EVENT_TYPE_PAGE_CONTENT_UPDATE);
-    LOGD("Flutter_SendAccessibilityAsyncEvent -> PAGE_CONTENT_UPDATE");
+    
+    // if the screen reader starts (touch guide state is true),
+    // sending the a11y event and draw the green rect 
+    Flutter_SendAccessibilityAsyncEvent(
+        0, ArkUI_AccessibilityEventType::ARKUI_ACCESSIBILITY_NATIVE_EVENT_TYPE_PAGE_CONTENT_UPDATE);
+    
 
     /* 针对更新后的节点进行事件处理 */
     for (auto& nodeEx: updatedFlutterNodes) {
@@ -171,10 +153,12 @@ void OhosAccessibilityBridge::UpdateSemantics(
             // flutter滑动组件滑动处理逻辑
             FlutterScrollExecution(nodeEx, _elementInfo);
 
-            // 屏幕朗读状态下双指滑动，获焦节点绿框实时跟随节点滑动
-            Flutter_SendAccessibilityAsyncEvent(
-                static_cast<int64_t>(accessibilityFocusedNode.id),
-                ArkUI_AccessibilityEventType::ARKUI_ACCESSIBILITY_NATIVE_EVENT_TYPE_FOCUS_NODE_UPDATE);
+            // when screen reader is on and the touch guide is active
+            if (isTouchGuideOn_) {
+                Flutter_SendAccessibilityAsyncEvent(
+                    static_cast<int64_t>(accessibilityFocusedNode.id),
+                    ArkUI_AccessibilityEventType::ARKUI_ACCESSIBILITY_NATIVE_EVENT_TYPE_FOCUS_NODE_UPDATE);
+            }
 
             auto OH_ArkUI_DestoryAccessibilityElementInfo =
                 OhosAccessibilityDDL::DLLoadDestroyElemFunc(ArkUIAccessibilityConstant::ARKUI_DESTORY_NODE);
@@ -191,10 +175,6 @@ void OhosAccessibilityBridge::UpdateSemantics(
                                                     ARKUI_ACCESSIBILITY_NATIVE_EVENT_TYPE_PAGE_CONTENT_UPDATE);
         }
     }
-    // calculate the global tranfomr matrix for each node
-    ComputeGlobalTransform();
-    // 输出flutter语义树相关重要语义信息debug日志
-    GetSemanticsDebugInfo();
     FML_DLOG(INFO) << "=== UpdateSemantics() is finished ===";
 }
 
@@ -229,13 +209,6 @@ void OhosAccessibilityBridge::FlutterScrollExecution(
         nodePosition -= node.scrollExtentMin;
     }
 
-    if (node.HasAction(ACTIONS_::kScrollUp) ||
-        node.HasAction(ACTIONS_::kScrollDown)) {
-    } else if (node.HasAction(ACTIONS_::kScrollLeft) ||
-               node.HasAction(ACTIONS_::kScrollRight)) {
-        LOGD("current flutterNode has scroll up/down/left/right");
-    }
-
     // 当可滑动组件存在滑动子节点
     if (node.scrollChildren > 0) {
         // 配置当前滑动组件的子节点总数
@@ -406,15 +379,7 @@ void OhosAccessibilityBridge::OnTooltip(std::unique_ptr<char[]>& message)
 //获取根节点
 SemanticsNodeExtent OhosAccessibilityBridge::GetFlutterRootSemanticsNode()
 {
-    if (!g_flutterSemanticsTree.size()) {
-        LOGE("GetFlutterRootSemanticsNode: g_flutterSemanticsTree.size()=0");
-        return {};
-    }
-    if (g_flutterSemanticsTree.find(0) == g_flutterSemanticsTree.end()) {
-        LOGE("GetFlutterRootSemanticsNod: g_flutterSemanticsTree has no root id");
-        return {};
-    }
-    return g_flutterSemanticsTree.at(0);
+    return GetFlutterSemanticsNode(0);
 }
 
 /**
@@ -423,12 +388,11 @@ SemanticsNodeExtent OhosAccessibilityBridge::GetFlutterRootSemanticsNode()
 SemanticsNodeExtent OhosAccessibilityBridge::GetFlutterSemanticsNode(
     int32_t id)
 {
-    if (g_flutterSemanticsTree.count(id) > 0) {
-        return g_flutterSemanticsTree.at(id);
-    } else {
-        LOGE("GetFlutterSemanticsNode g_flutterSemanticsTree = null");
-        return {};
+    auto it = g_flutterSemanticsTree.find(id);
+    if (it !=  g_flutterSemanticsTree.end()) {
+        return it->second;
     }
+    return {};
 }
 
 /**
@@ -436,20 +400,16 @@ SemanticsNodeExtent OhosAccessibilityBridge::GetFlutterSemanticsNode(
  */
 int32_t OhosAccessibilityBridge::GetParentId(int64_t elementId)
 {
-    if (!g_parentChildIdVec.size()) {
-        FML_DLOG(WARNING) << "OhosAccessibilityBridge::GetParentId parentChildIdMap.size()=0";
-        return ARKUI_ACCESSIBILITY_ROOT_PARENT_ID;
-    }
     if (elementId == -1 || elementId == 0) {
         return ARKUI_ACCESSIBILITY_ROOT_PARENT_ID;
     }
-    int32_t childElementId = static_cast<int32_t>(elementId);
-    for (const auto& item : g_parentChildIdVec) {
-        if (item.second == childElementId) {
-            return item.first;
-        }
+    int32_t id = static_cast<int32_t>(elementId);
+    auto node = GetFlutterSemanticsNode(id);
+    if (g_flutterSemanticsTree.find(id) == g_flutterSemanticsTree.end()) {
+        LOGE("GetParentId: %{public}d is null", id);
+        return -1;
     }
-    return RET_ERROR_STATE_CODE;
+    return node.parentId;
 }
 
 /**
@@ -461,57 +421,41 @@ void OhosAccessibilityBridge::SetAbsoluteScreenRect(SemanticsNodeExtent& flutter
                                                     float right,
                                                     float bottom)
 {
-    g_screenRectMap[flutterNode.id] = AbsoluteRect{left, top, right, bottom};
+    flutterNode.absoluteRect = {left, top, right, bottom};
     FML_DLOG(INFO) << "SetAbsoluteScreenRect -> id=" << flutterNode.id
                    << ", {" << left << ", " << top << ", " << right << ", "<< bottom << "> }";
 }
 
-AbsoluteRect OhosAccessibilityBridge::GetAbsoluteScreenRect(SemanticsNodeExtent& flutterNode)
-{
-    if (!g_screenRectMap.empty() && g_screenRectMap.count(flutterNode.id) > 0) {
-        return g_screenRectMap.at(flutterNode.id);
-    } else {
-        FML_DLOG(ERROR) << "GetAbsoluteScreenRect -> flutterNodeId="
-                        << flutterNode.id << " is not found !";
-        return {};
-    }
-}
-
-/**
- * 获取flutter相对-绝对坐标映射的真实缩放系数
- */
-std::pair<float, float> OhosAccessibilityBridge::GetRealScaleFactor()
+const AbsoluteRect& OhosAccessibilityBridge::GetAbsoluteScreenRect(
+    const SemanticsNodeExtent& flutterNode)
 {
-    auto secondNode = GetFlutterSemanticsNode(1);
-    SkMatrix transform = secondNode.transform.asM33();
-    auto scaleX = transform.get(SkMatrix::kMScaleX);
-    auto scaleY = transform.get(SkMatrix::kMScaleY);
-    return std::make_pair(scaleX, scaleY);
+    return flutterNode.absoluteRect;
 }
 
 /**
  * calculate the global transform matrix for each node
  */
-void OhosAccessibilityBridge::ComputeGlobalTransform()
+void OhosAccessibilityBridge::ComputeGlobalTransformAndParentId()
 {
   std::queue<SemanticsNodeExtent> semanticsQue;
 
-  auto root = GetFlutterSemanticsNode(0);
-  semanticsQue.push(root);
-  g_globalTransformMap[root.id] = root.transform;
+  auto rootNode = GetFlutterSemanticsNode(0);
+  rootNode.globalTransform = rootNode.transform;
+  rootNode.parentId = ARKUI_ACCESSIBILITY_ROOT_PARENT_ID;
+  g_flutterSemanticsTree[rootNode.id] = rootNode;
+  semanticsQue.push(rootNode);
 
   while (!semanticsQue.empty()) {
-    uint32_t queSize = semanticsQue.size();
-    for (uint32_t i=0; i<queSize; i++) {
       auto currNode = semanticsQue.front();
       semanticsQue.pop();
 
       for (const auto& childId: currNode.childrenInTraversalOrder) {
         auto childNode = GetFlutterSemanticsNode(childId);
+        childNode.parentId = currNode.id;
+        childNode.globalTransform = currNode.globalTransform * childNode.transform;
+        g_flutterSemanticsTree[childId] = childNode;
         semanticsQue.push(childNode);
-        g_globalTransformMap[childId] = g_globalTransformMap[currNode.id] * childNode.transform;
       }
-    }
   }
 }
 
@@ -528,7 +472,7 @@ SkPoint OhosAccessibilityBridge::ApplyTransform(
 void OhosAccessibilityBridge::RelativeRectToScreenRect(SemanticsNodeExtent& node)
 {
     auto [left, top, right, bottom] = node.rect;
-    SkM44 globalTransform = g_globalTransformMap[node.id];
+    SkM44 globalTransform = node.globalTransform;
 
     SkPoint points[4] = {
         SkPoint::Make(left, top),     // top-left point
@@ -557,95 +501,75 @@ void OhosAccessibilityBridge::RelativeRectToScreenRect(SemanticsNodeExtent& node
  */
 void OhosAccessibilityBridge::FlutterSetElementInfoOperationActions(
     ArkUI_AccessibilityElementInfo* elementInfoFromList,
-    std::string widget_type)
+    const SemanticsNodeExtent& node)
 {
     if (OHOS_API_VERSION < 13) { return; }
     auto OH_ArkUI_AccessibilityElementInfoSetOperationActions = 
         OhosAccessibilityDDL::DLLoadSetElemOperActionsFunc(ArkUIAccessibilityConstant::ARKUI_SET_ACTIONS);
     CHECK_DLL_NULL_PTR(OH_ArkUI_AccessibilityElementInfoSetOperationActions);
-    if (OHOSUtils::Contains(widget_type, EDIT_TEXT_WIDGET_NAME) ||
-        OHOSUtils::Contains(widget_type, EDIT_MULTILINE_TEXT_WIDGET_NAME)) {
-        // set elementinfo action types
-        int32_t actionTypeNum = 10;
-        ArkUI_AccessibleAction actions[actionTypeNum];
-        int32_t idx = 0; 
-        actions[idx].actionType = ArkUI_Accessibility_ActionType::
-            ARKUI_ACCESSIBILITY_NATIVE_ACTION_TYPE_GAIN_ACCESSIBILITY_FOCUS;
-        actions[idx++].description = "获取焦点";
-        actions[idx].actionType = ArkUI_Accessibility_ActionType::
-            ARKUI_ACCESSIBILITY_NATIVE_ACTION_TYPE_CLEAR_ACCESSIBILITY_FOCUS;
-        actions[idx++].description = "清除焦点";
+
+    int32_t actionTypeNum = 30; // declare an unreachable array length
+    ArkUI_AccessibleAction actions[actionTypeNum];
+    size_t idx = 0; // real length of array
+    if (node.HasAction(ACTIONS_::kTap)) {
         actions[idx].actionType = ArkUI_Accessibility_ActionType::
             ARKUI_ACCESSIBILITY_NATIVE_ACTION_TYPE_CLICK;
-        actions[idx++].description = "点击操作";
+        actions[idx++].description = "click action";
+    }
+    if (node.HasAction(ACTIONS_::kLongPress)) {
         actions[idx].actionType = ArkUI_Accessibility_ActionType::
             ARKUI_ACCESSIBILITY_NATIVE_ACTION_TYPE_LONG_CLICK;
-        actions[idx++].description = "长按操作";
-        actions[idx].actionType = ArkUI_Accessibility_ActionType::
-            ARKUI_ACCESSIBILITY_NATIVE_ACTION_TYPE_COPY;
-        actions[idx++].description = "文本复制";
-        actions[idx].actionType = ArkUI_Accessibility_ActionType::
-            ARKUI_ACCESSIBILITY_NATIVE_ACTION_TYPE_PASTE;
-        actions[idx++].description = "文本粘贴";
-        actions[idx].actionType = ArkUI_Accessibility_ActionType::
-            ARKUI_ACCESSIBILITY_NATIVE_ACTION_TYPE_CUT;
-        actions[idx++].description = "文本剪切";
-        actions[idx].actionType = ArkUI_Accessibility_ActionType::
-            ARKUI_ACCESSIBILITY_NATIVE_ACTION_TYPE_SELECT_TEXT;
-        actions[idx++].description = "文本选择";
+        actions[idx++].description = "longClick action";
+    }
+    if (node.HasAction(ACTIONS_::kSetText)) {
         actions[idx].actionType = ArkUI_Accessibility_ActionType::
             ARKUI_ACCESSIBILITY_NATIVE_ACTION_TYPE_SET_TEXT;
-        actions[idx++].description = "文本内容设置";
+        actions[idx++].description = "setText action";
+    }
+    if (node.HasAction(ACTIONS_::kSetSelection)) {
         actions[idx].actionType = ArkUI_Accessibility_ActionType::
-            ARKUI_ACCESSIBILITY_NATIVE_ACTION_TYPE_SET_CURSOR_POSITION;
-        actions[idx].description = "光标位置设置";
-
-        ARKUI_ACCESSIBILITY_CALL_CHECK(
-            OH_ArkUI_AccessibilityElementInfoSetOperationActions(elementInfoFromList, actionTypeNum, actions)
-        );
-    } else if (OHOSUtils::Contains(widget_type, SCROLL_WIDGET_NAME)) {
-        // if node is a scrollable component
-        int32_t actionTypeNum = 5;
-        ArkUI_AccessibleAction actions[actionTypeNum];
-        int32_t idx = 0; 
+            ARKUI_ACCESSIBILITY_NATIVE_ACTION_TYPE_SELECT_TEXT;
+        actions[idx++].description = "setSelection action";
+    }
+    if (node.HasAction(ACTIONS_::kCopy)) {
         actions[idx].actionType = ArkUI_Accessibility_ActionType::
-            ARKUI_ACCESSIBILITY_NATIVE_ACTION_TYPE_GAIN_ACCESSIBILITY_FOCUS;
-        actions[idx++].description = "获取焦点";
+            ARKUI_ACCESSIBILITY_NATIVE_ACTION_TYPE_COPY;
+        actions[idx++].description = "copy action";
+    }
+    if (node.HasAction(ACTIONS_::kCut)) {
         actions[idx].actionType = ArkUI_Accessibility_ActionType::
-            ARKUI_ACCESSIBILITY_NATIVE_ACTION_TYPE_CLEAR_ACCESSIBILITY_FOCUS;
-        actions[idx++].description = "清除焦点";
+            ARKUI_ACCESSIBILITY_NATIVE_ACTION_TYPE_CUT;
+        actions[idx++].description = "cut action";
+    }
+    if (node.HasAction(ACTIONS_::kPaste)) {
         actions[idx].actionType = ArkUI_Accessibility_ActionType::
-            ARKUI_ACCESSIBILITY_NATIVE_ACTION_TYPE_CLICK;
-        actions[idx++].description = "点击动作";
+            ARKUI_ACCESSIBILITY_NATIVE_ACTION_TYPE_PASTE;
+        actions[idx++].description = "paste action";
+    }
+    if (node.HasAction(ACTIONS_::kScrollLeft) ||
+        node.HasAction(ACTIONS_::kScrollUp) ||
+        node.HasAction(ACTIONS_::kIncrease)) {
         actions[idx].actionType = ArkUI_Accessibility_ActionType::
             ARKUI_ACCESSIBILITY_NATIVE_ACTION_TYPE_SCROLL_FORWARD;
-        actions[idx++].description = "向上滑动";
+        actions[idx++].description = "scrollForward action";
+    } 
+    if (node.HasAction(ACTIONS_::kScrollRight) ||
+        node.HasAction(ACTIONS_::kScrollDown) ||
+        node.HasAction(ACTIONS_::kDecrease)) {
         actions[idx].actionType = ArkUI_Accessibility_ActionType::
             ARKUI_ACCESSIBILITY_NATIVE_ACTION_TYPE_SCROLL_BACKWARD;
-        actions[idx].description = "向下滑动";
-
-        ARKUI_ACCESSIBILITY_CALL_CHECK(
-            OH_ArkUI_AccessibilityElementInfoSetOperationActions(elementInfoFromList, actionTypeNum, actions)
-        );
-    } else {
-        // set common component action types
-        int32_t actionTypeNum = 3;
-        ArkUI_AccessibleAction actions[actionTypeNum];
-        int32_t idx = 0; 
-        actions[idx].actionType = ArkUI_Accessibility_ActionType::
-            ARKUI_ACCESSIBILITY_NATIVE_ACTION_TYPE_GAIN_ACCESSIBILITY_FOCUS;
-        actions[idx++].description = "获取焦点";
-        actions[idx].actionType = ArkUI_Accessibility_ActionType::
-            ARKUI_ACCESSIBILITY_NATIVE_ACTION_TYPE_CLEAR_ACCESSIBILITY_FOCUS;
-        actions[idx++].description = "清除焦点";
-        actions[idx].actionType = ArkUI_Accessibility_ActionType::
-            ARKUI_ACCESSIBILITY_NATIVE_ACTION_TYPE_CLICK;
-        actions[idx].description = "点击动作";
-
-        ARKUI_ACCESSIBILITY_CALL_CHECK(
-            OH_ArkUI_AccessibilityElementInfoSetOperationActions(elementInfoFromList, actionTypeNum, actions)
-        );
-    }
+        actions[idx++].description = "scrollBackward action";
+    }
+    actions[idx].actionType = ArkUI_Accessibility_ActionType::
+    ARKUI_ACCESSIBILITY_NATIVE_ACTION_TYPE_GAIN_ACCESSIBILITY_FOCUS;
+    actions[idx++].description = "focus action";
+    actions[idx].actionType = ArkUI_Accessibility_ActionType::
+        ARKUI_ACCESSIBILITY_NATIVE_ACTION_TYPE_CLEAR_ACCESSIBILITY_FOCUS;
+    actions[idx++].description = "clearFocus action";
+    
+    ARKUI_ACCESSIBILITY_CALL_CHECK(
+        OH_ArkUI_AccessibilityElementInfoSetOperationActions(elementInfoFromList, idx, actions)
+    );
 }
 
 /**
@@ -697,9 +621,9 @@ void OhosAccessibilityBridge::FlutterSetElementInfoProperties(
     // 设置root节点的action类型
     std::string widgeType = GetNodeComponentType(flutterNode);
     if (elementId < 1) {
-        FlutterSetElementInfoOperationActions(elementInfoFromList, OTHER_WIDGET_NAME);
+        FlutterSetElementInfoOperationActions(elementInfoFromList, flutterNode);
     } else {
-        FlutterSetElementInfoOperationActions(elementInfoFromList, widgeType);
+        FlutterSetElementInfoOperationActions(elementInfoFromList, flutterNode);
     }
 
     // 设置当前节点的父节点id
@@ -742,7 +666,6 @@ void OhosAccessibilityBridge::FlutterSetElementInfoProperties(
     int32_t childCount = flutterNode.childrenInTraversalOrder.size();
     if (childCount > 0) {
         auto childrenIdsVec = flutterNode.childrenInTraversalOrder;
-        std::sort(childrenIdsVec.begin(), childrenIdsVec.end());
         int64_t childNodeIds[childCount];
         for (int32_t i = 0; i < childCount; i++) {
             childNodeIds[i] = static_cast<int64_t>(childrenIdsVec[i]);
@@ -941,21 +864,16 @@ std::vector<int64_t> OhosAccessibilityBridge::GetLevelOrderTraversalTree(int32_t
   semanticsQue.push(root);
 
   while (!semanticsQue.empty()) {
-    uint32_t queSize = semanticsQue.size();
-    for (uint32_t i=0; i<queSize; i++) {
       auto currNode = semanticsQue.front();
 
       semanticsQue.pop();
       levelOrderTraversalTree.emplace_back(static_cast<int64_t>(currNode.id));
-
-      std::sort(currNode.childrenInTraversalOrder.begin(), 
-                currNode.childrenInTraversalOrder.end());
+      
       for (const auto& childId: currNode.childrenInTraversalOrder) {
         auto childNode = GetFlutterSemanticsNode(childId);
 
         semanticsQue.push(childNode);
       }
-    }
   }
   return levelOrderTraversalTree;
 }
@@ -1076,23 +994,13 @@ void OhosAccessibilityBridge::DispatchSemanticsAction(
                                                          std::move(args));
 }
 
-/**
- * flutter按钮节点双击跳转新页面时，发送页面更新事件
- */
-void OhosAccessibilityBridge::DoubleClickRouteToNewPage(SemanticsNodeExtent node)
-{
-    if (node.HasFlag(FLAGS_::kIsButton)) {
-        RequestFocusWhenPageUpdate(0);
-    }
-}
-
 /**
  * perform click action in accessibility status
  */
 void OhosAccessibilityBridge::PerformClickAction(
     int64_t elementId,
     ArkUI_Accessibility_ActionType action,
-    SemanticsNodeExtent flutterNode)
+    const SemanticsNodeExtent& flutterNode)
 {
     /** Click event, sent after the UI component responds. 1 */
     auto clickEventType = ArkUI_AccessibilityEventType::ARKUI_ACCESSIBILITY_NATIVE_EVENT_TYPE_CLICKED;
@@ -1101,8 +1009,6 @@ void OhosAccessibilityBridge::PerformClickAction(
                    << ")" << " event: click(" << clickEventType << ")";
     auto flutterTapAction = ArkuiActionsToFlutterActions(action);
     DispatchSemanticsAction(static_cast<int32_t>(elementId), flutterTapAction, {});
-    // double click at button-like node for pushing page update
-    DoubleClickRouteToNewPage(flutterNode);
 }
 
 /**
@@ -1111,7 +1017,7 @@ void OhosAccessibilityBridge::PerformClickAction(
 void OhosAccessibilityBridge::PerformLongClickAction(
     int64_t elementId,
     ArkUI_Accessibility_ActionType action,
-    SemanticsNodeExtent flutterNode)
+    const SemanticsNodeExtent& flutterNode)
 {
     /** Long click event, sent after the UI component responds. 2 */
     auto longClickEventType = ArkUI_AccessibilityEventType::ARKUI_ACCESSIBILITY_NATIVE_EVENT_TYPE_LONG_CLICKED;
@@ -1129,7 +1035,7 @@ void OhosAccessibilityBridge::PerformLongClickAction(
 void OhosAccessibilityBridge::PerformGainFocusnAction(
     int64_t elementId,
     ArkUI_Accessibility_ActionType action,
-    SemanticsNodeExtent flutterNode)
+    const SemanticsNodeExtent& flutterNode)
 {
     // 感知获焦flutter节点
     accessibilityFocusedNode = flutterNode;
@@ -1158,7 +1064,7 @@ void OhosAccessibilityBridge::PerformGainFocusnAction(
 void OhosAccessibilityBridge::PerformClearFocusAction(
     int64_t elementId,
     ArkUI_Accessibility_ActionType action,
-    SemanticsNodeExtent flutterNode)
+    const SemanticsNodeExtent& flutterNode)
 {
     // 解析arkui的失焦 -> flutter对应节点的失焦
     auto flutterLoseFocusAction = ArkuiActionsToFlutterActions(action);
@@ -1179,7 +1085,7 @@ void OhosAccessibilityBridge::PerformClearFocusAction(
 void OhosAccessibilityBridge::PerformScrollUpAction(
     int64_t elementId,
     ArkUI_Accessibility_ActionType action,
-    SemanticsNodeExtent flutterNode)
+    SemanticsNodeExtent& flutterNode)
 {
     // flutter scroll forward with different situations
     if (flutterNode.HasAction(ACTIONS_::kScrollUp)) {
@@ -1195,16 +1101,6 @@ void OhosAccessibilityBridge::PerformScrollUpAction(
             elementId, ArkUI_AccessibilityEventType::ARKUI_ACCESSIBILITY_NATIVE_EVENT_TYPE_SELECTED);
         DispatchSemanticsAction(static_cast<int32_t>(elementId), ACTIONS_::kIncrease, {});
     }
-    std::string currComponetType = GetNodeComponentType(flutterNode);
-    if (OHOSUtils::Contains(currComponetType, SCROLL_WIDGET_NAME)) {
-        /** Scrolled event, sent when a scrollable component experiences a scroll event. 4096 */
-        ArkUI_AccessibilityEventType scrollEventType1 =
-            ArkUI_AccessibilityEventType::ARKUI_ACCESSIBILITY_NATIVE_EVENT_TYPE_SCROLLED;
-        Flutter_SendAccessibilityAsyncEvent(elementId, scrollEventType1);
-        FML_DLOG(INFO)
-            << "ExecuteAccessibilityAction -> action: scroll forward(" << action
-            << ")" << " event: scroll forward(" << scrollEventType1 << ")";
-    }
 }
 
 /**
@@ -1213,7 +1109,7 @@ void OhosAccessibilityBridge::PerformScrollUpAction(
 void OhosAccessibilityBridge::PerformScrollDownAction(
     int64_t elementId, 
     ArkUI_Accessibility_ActionType action,
-    SemanticsNodeExtent flutterNode)
+    SemanticsNodeExtent& flutterNode)
 {
     // flutter scroll down with different situations
     if (flutterNode.HasAction(ACTIONS_::kScrollDown)) {
@@ -1229,24 +1125,13 @@ void OhosAccessibilityBridge::PerformScrollDownAction(
             elementId, ArkUI_AccessibilityEventType::ARKUI_ACCESSIBILITY_NATIVE_EVENT_TYPE_SELECTED);
         DispatchSemanticsAction(static_cast<int32_t>(elementId), ACTIONS_::kDecrease, {});
     }
-    std::string currComponetType = GetNodeComponentType(flutterNode);
-    if (OHOSUtils::Contains(currComponetType, SCROLL_WIDGET_NAME)) {
-      /** Scrolled event, sent when a scrollable component experiences a
-       * scroll event. 4096 */
-      ArkUI_AccessibilityEventType scrollEventType1 =
-          ArkUI_AccessibilityEventType::ARKUI_ACCESSIBILITY_NATIVE_EVENT_TYPE_SCROLLED;
-      Flutter_SendAccessibilityAsyncEvent(elementId, scrollEventType1);
-      FML_DLOG(INFO)
-          << "ExecuteAccessibilityAction -> action: scroll forward(" << action
-          << ")" << " event: scroll forward(" << scrollEventType1 << ")";
-    }
 }
 /**
  * perform invalid action in accessibility status
  */
 void OhosAccessibilityBridge::PerformClipboardAction(
     int64_t elementId,
-    ArkUI_Accessibility_ActionType action)
+    const ArkUI_Accessibility_ActionType& action)
 {
     if (action == ArkUI_Accessibility_ActionType::ARKUI_ACCESSIBILITY_NATIVE_ACTION_TYPE_COPY) {
         FML_DLOG(INFO) << "ExecuteAccessibilityAction -> action: copy(" << action << ")";
@@ -1265,7 +1150,7 @@ void OhosAccessibilityBridge::PerformClipboardAction(
 void OhosAccessibilityBridge::PerformInvalidAction(
     int64_t elementId,
     ArkUI_Accessibility_ActionType action,
-    SemanticsNodeExtent flutterNode)
+    const SemanticsNodeExtent& flutterNode)
 {
     /** Invalid event. 0 */
     ArkUI_AccessibilityEventType invalidEventType =
@@ -1279,7 +1164,7 @@ void OhosAccessibilityBridge::PerformInvalidAction(
  * 设置输入框文本
  */
 void OhosAccessibilityBridge::PerformSetText(
-    SemanticsNodeExtent flutterNode,
+    SemanticsNodeExtent& flutterNode,
     ArkUI_Accessibility_ActionType action,
     ArkUI_AccessibilityActionArguments* actionArguments)
 {
@@ -1306,7 +1191,7 @@ void OhosAccessibilityBridge::PerformSetText(
  * perform select text (from base to extent) in accessibility status
  */
 void OhosAccessibilityBridge::PerformSelectText(
-    SemanticsNodeExtent flutterNode,
+    const SemanticsNodeExtent& flutterNode,
     ArkUI_Accessibility_ActionType action,
     ArkUI_AccessibilityActionArguments* actionArguments)
 {
@@ -1369,7 +1254,7 @@ void OhosAccessibilityBridge::PerformSetCursorPosition(
  * perform custom action in accessibility status
  */
 void OhosAccessibilityBridge::PerformCustomAction(
-    SemanticsNodeExtent flutterNode,
+    const SemanticsNodeExtent& flutterNode,
     ArkUI_Accessibility_ActionType action,
     ArkUI_AccessibilityActionArguments* actionArguments)
 {
@@ -1381,7 +1266,8 @@ void OhosAccessibilityBridge::PerformCustomAction(
 /**
  * perform show on screen action in accessibility status
  */
-void OhosAccessibilityBridge::PerformShowOnScreenAction(SemanticsNodeExtent flutterNode)
+void OhosAccessibilityBridge::PerformShowOnScreenAction(
+    const SemanticsNodeExtent& flutterNode)
 {
     if (!IsNodeShowOnScreen(flutterNode)) {
         DispatchSemanticsAction(flutterNode.id, ACTIONS_::kShowOnScreen, {});
@@ -1770,14 +1656,16 @@ std::string OhosAccessibilityBridge::GetNodeComponentType(
 /**
  * 判断当前节点是否为textfield文本框
  */
-bool OhosAccessibilityBridge::IsTextField(SemanticsNodeExtent flutterNode)
+bool OhosAccessibilityBridge::IsTextField(
+    const SemanticsNodeExtent& flutterNode)
 {
     return flutterNode.HasFlag(FLAGS_::kIsTextField);
 }
 /**
  * 判断当前节点是否为滑动条slider类型
  */
-bool OhosAccessibilityBridge::IsSlider(SemanticsNodeExtent flutterNode)
+bool OhosAccessibilityBridge::IsSlider(
+    const SemanticsNodeExtent& flutterNode)
 {
     return flutterNode.HasFlag(FLAGS_::kIsSlider);
 }
@@ -1785,7 +1673,7 @@ bool OhosAccessibilityBridge::IsSlider(SemanticsNodeExtent flutterNode)
  * 判断当前flutter节点组件是否可点击
  */
 bool OhosAccessibilityBridge::IsNodeClickable(
-    SemanticsNodeExtent flutterNode)
+    const SemanticsNodeExtent& flutterNode)
 {
     return flutterNode.HasAction(ACTIONS_::kTap);
 }
@@ -1793,7 +1681,7 @@ bool OhosAccessibilityBridge::IsNodeClickable(
  * 判断当前flutter节点组件是否可显示
  */
 bool OhosAccessibilityBridge::IsNodeVisible(
-    SemanticsNodeExtent flutterNode)
+    const SemanticsNodeExtent& flutterNode)
 {
     return !flutterNode.HasFlag(FLAGS_::kIsHidden);
 }
@@ -1801,7 +1689,7 @@ bool OhosAccessibilityBridge::IsNodeVisible(
  * 判断当前flutter节点组件是否具备checkable属性
  */
 bool OhosAccessibilityBridge::IsNodeCheckable(
-    SemanticsNodeExtent flutterNode)
+    const SemanticsNodeExtent& flutterNode)
 {
     return flutterNode.HasFlag(FLAGS_::kHasCheckedState) ||
            flutterNode.HasFlag(FLAGS_::kHasToggledState);
@@ -1810,7 +1698,7 @@ bool OhosAccessibilityBridge::IsNodeCheckable(
  * 判断当前flutter节点组件是否checked/unchecked（checkbox、radio button）
  */
 bool OhosAccessibilityBridge::IsNodeChecked(
-    SemanticsNodeExtent flutterNode)
+    const SemanticsNodeExtent& flutterNode)
 {
     return flutterNode.HasFlag(FLAGS_::kIsChecked) ||
            flutterNode.HasFlag(FLAGS_::kIsToggled);
@@ -1819,7 +1707,7 @@ bool OhosAccessibilityBridge::IsNodeChecked(
  * 判断当前flutter节点组件是否选中
  */
 bool OhosAccessibilityBridge::IsNodeSelected(
-    SemanticsNodeExtent flutterNode)
+    const SemanticsNodeExtent& flutterNode)
 {
     return flutterNode.HasFlag(FLAGS_::kIsSelected);
 }
@@ -1827,7 +1715,7 @@ bool OhosAccessibilityBridge::IsNodeSelected(
  * 判断当前flutter节点组件是否为密码输入框
  */
 bool OhosAccessibilityBridge::IsNodePassword(
-    SemanticsNodeExtent flutterNode)
+    const SemanticsNodeExtent& flutterNode)
 {
     return flutterNode.HasFlag(FLAGS_::kIsTextField) &&
            flutterNode.HasFlag(FLAGS_::kIsObscured);
@@ -1836,7 +1724,7 @@ bool OhosAccessibilityBridge::IsNodePassword(
  * 判断当前flutter节点组件是否支持长按功能
  */
 bool OhosAccessibilityBridge::IsNodeHasLongPress(
-    SemanticsNodeExtent flutterNode)
+    const SemanticsNodeExtent& flutterNode)
 {
     return flutterNode.HasAction(ACTIONS_::kLongPress);
 }
@@ -1844,7 +1732,7 @@ bool OhosAccessibilityBridge::IsNodeHasLongPress(
  * 判断当前flutter节点是否enabled
  */
 bool OhosAccessibilityBridge::IsNodeEnabled(
-    SemanticsNodeExtent flutterNode)
+    const SemanticsNodeExtent& flutterNode)
 {
     return !flutterNode.HasFlag(FLAGS_::kHasEnabledState) ||
            flutterNode.HasFlag(FLAGS_::kIsEnabled);
@@ -1852,7 +1740,8 @@ bool OhosAccessibilityBridge::IsNodeEnabled(
 /**
  * 判断当前flutter节点是否在当前屏幕上显示
  */
-bool OhosAccessibilityBridge::IsNodeShowOnScreen(SemanticsNodeExtent flutterNode)
+bool OhosAccessibilityBridge::IsNodeShowOnScreen(
+    const SemanticsNodeExtent& flutterNode)
 {
     return flutterNode.HasAction(ACTIONS_::kShowOnScreen);
 }
@@ -1894,10 +1783,6 @@ bool OhosAccessibilityBridge::IsNodeFocusable(
     if (node.IsPlatformViewNode()) {
         return true;
     }
-    // Always consider actionable nodes focusable.
-    if (node.actions != 0) {
-        return true;
-    }
     if ((node.flags & FOCUSABLE_FLAGS) != 0) {
         return true;
     }
@@ -1918,7 +1803,7 @@ bool OhosAccessibilityBridge::IsNodeFocused(const SemanticsNodeExtent& flutterNo
  * 判断是否可滑动
  */
 bool OhosAccessibilityBridge::IsNodeScrollable(
-    SemanticsNodeExtent flutterNode)
+    const SemanticsNodeExtent& flutterNode)
 {
     return flutterNode.HasAction(ACTIONS_::kScrollLeft) ||
            flutterNode.HasAction(ACTIONS_::kScrollRight) ||
@@ -1929,72 +1814,11 @@ bool OhosAccessibilityBridge::IsNodeScrollable(
  * 判断当前节点组件是否是滑动组件，如: listview, gridview等
  */
 bool OhosAccessibilityBridge::IsScrollableWidget(
-    SemanticsNodeExtent flutterNode)
+    const SemanticsNodeExtent& flutterNode)
 {
     return flutterNode.HasFlag(FLAGS_::kHasImplicitScrolling);
 }
 
-void OhosAccessibilityBridge::AddRouteNodes(
-    std::vector<SemanticsNodeExtent> edges,
-    SemanticsNodeExtent node)
-{
-    if (node.HasFlag(FLAGS_::kScopesRoute)) {
-        edges.emplace_back(node);
-    }
-    for (auto& childNodeId : node.childrenInTraversalOrder) {
-        auto childNode = GetFlutterSemanticsNode(childNodeId);
-        AddRouteNodes(edges, childNode);
-    }
-}
-
-std::string OhosAccessibilityBridge::GetRouteName(SemanticsNodeExtent node)
-{
-    if (node.HasFlag(FLAGS_::kNamesRoute) && !node.label.empty()) {
-        return node.label;
-    }
-    for (auto& childNodeId : node.childrenInTraversalOrder) {
-        auto childNode = GetFlutterSemanticsNode(childNodeId);
-        std::string newName = GetRouteName(childNode);
-        if (!newName.empty()) {
-            return newName;
-        }
-    }
-    return "";
-}
-
-void OhosAccessibilityBridge::OnWindowNameChange(SemanticsNodeExtent route)
-{
-    std::string routeName = GetRouteName(route);
-    if (routeName.empty()) {
-        routeName = " ";
-    }
-    Flutter_SendAccessibilityAsyncEvent(
-        static_cast<int64_t>(route.id),
-        ArkUI_AccessibilityEventType::
-            ARKUI_ACCESSIBILITY_NATIVE_EVENT_TYPE_PAGE_CONTENT_UPDATE);
-}
-
-void OhosAccessibilityBridge::RemoveSemanticsNode(
-    SemanticsNodeExtent nodeToBeRemoved)
-{
-    if (!g_flutterSemanticsTree.size()) {
-        FML_DLOG(ERROR) << "OhosAccessibilityBridge::removeSemanticsNode -> "
-                          "g_flutterSemanticsTree.szie()=0";
-        return;
-    }
-    if (g_flutterSemanticsTree.find(nodeToBeRemoved.id) ==
-        g_flutterSemanticsTree.end()) {
-        FML_DLOG(INFO) << "Attempted to remove a node that is not in the tree.";
-    }
-    int32_t nodeToBeRemovedParentId = GetParentId(nodeToBeRemoved.id);
-    for (auto it = g_parentChildIdVec.begin(); it != g_parentChildIdVec.end(); it++) {
-        if (it->first == nodeToBeRemovedParentId &&
-            it->second == nodeToBeRemoved.id) {
-            g_parentChildIdVec.erase(it);
-        }
-    }
-}
-
 /**
  * when the system accessibility service is shut down,
  * clear all the flutter semantics-relevant caches like maps, vectors
@@ -2002,8 +1826,6 @@ void OhosAccessibilityBridge::RemoveSemanticsNode(
 void OhosAccessibilityBridge::ClearFlutterSemanticsCaches()
 {
     g_flutterSemanticsTree.clear();
-    g_parentChildIdVec.clear();
-    g_screenRectMap.clear();
     Flutter_SendAccessibilityAsyncEvent(
         accessibilityFocusedNode.id,
         ArkUI_AccessibilityEventType::ARKUI_ACCESSIBILITY_NATIVE_EVENT_TYPE_ACCESSIBILITY_FOCUS_CLEARED);
@@ -2017,10 +1839,11 @@ SemanticsNodeExtent OhosAccessibilityBridge::UpdatetSemanticsNodeExtent(
     flutter::SemanticsNode node)
 {
     SemanticsNodeExtent nodeEx = SemanticsNodeExtent();
-    // 获取更新前的flutter节点信息
-    if (g_flutterSemanticsTree.size() > 0) {
+    // 
+    if (!g_flutterSemanticsTree.empty()) {
         auto prevNode = GetFlutterSemanticsNode(node.id);
         nodeEx.hadPreviousConfig = true;
+        nodeEx.parentId = prevNode.parentId;
         nodeEx.previousFlags = prevNode.flags;
         nodeEx.previousActions = prevNode.actions;
         nodeEx.previousTextSelectionBase = prevNode.textSelectionBase;
@@ -2028,26 +1851,26 @@ SemanticsNodeExtent OhosAccessibilityBridge::UpdatetSemanticsNodeExtent(
         nodeEx.previousScrollPosition = prevNode.scrollPosition;
         nodeEx.previousScrollExtentMax = prevNode.scrollExtentMax;
         nodeEx.previousScrollExtentMin = prevNode.scrollExtentMin;
-        nodeEx.previousValue = prevNode.value;
-        nodeEx.previousLabel = prevNode.label;
+        nodeEx.previousValue = std::move(prevNode.value);
+        nodeEx.previousLabel = std::move(prevNode.label);
     }
+
     // 更新当前flutter节点信息
-    nodeEx.isNull = false;
-    nodeEx.id = std::move(node.id);
-    nodeEx.flags = std::move(node.flags);
-    nodeEx.actions = std::move(node.actions);
-    nodeEx.maxValueLength = std::move(node.maxValueLength);
-    nodeEx.currentValueLength = std::move(node.currentValueLength);
-    nodeEx.textSelectionBase = std::move(node.textSelectionBase);
-    nodeEx.textSelectionExtent = std::move(node.textSelectionExtent);
-    nodeEx.platformViewId = std::move(node.platformViewId);
-    nodeEx.scrollChildren = std::move(node.scrollChildren);
-    nodeEx.scrollIndex = std::move(node.scrollIndex);
-    nodeEx.scrollPosition = std::move(node.scrollPosition);
-    nodeEx.scrollExtentMax = std::move(node.scrollExtentMax);
-    nodeEx.scrollExtentMin = std::move(node.scrollExtentMin);
-    nodeEx.elevation = std::move(node.elevation);
-    nodeEx.thickness = std::move(node.thickness);
+    nodeEx.id = node.id;
+    nodeEx.flags = node.flags;
+    nodeEx.actions = node.actions;
+    nodeEx.maxValueLength = node.maxValueLength;
+    nodeEx.currentValueLength = node.currentValueLength;
+    nodeEx.textSelectionBase = node.textSelectionBase;
+    nodeEx.textSelectionExtent = node.textSelectionExtent;
+    nodeEx.platformViewId = node.platformViewId;
+    nodeEx.scrollChildren = node.scrollChildren;
+    nodeEx.scrollIndex = node.scrollIndex;
+    nodeEx.scrollPosition = node.scrollPosition;
+    nodeEx.scrollExtentMax = node.scrollExtentMax;
+    nodeEx.scrollExtentMin = node.scrollExtentMin;
+    nodeEx.elevation = node.elevation;
+    nodeEx.thickness = node.thickness;
     nodeEx.label = std::move(node.label);
     nodeEx.labelAttributes = std::move(node.labelAttributes);
     nodeEx.hint = std::move(node.hint);
@@ -2059,7 +1882,7 @@ SemanticsNodeExtent OhosAccessibilityBridge::UpdatetSemanticsNodeExtent(
     nodeEx.decreasedValue = std::move(node.decreasedValue);
     nodeEx.decreasedValueAttributes = std::move(node.decreasedValueAttributes);
     nodeEx.tooltip = std::move(node.tooltip);
-    nodeEx.textDirection = std::move(node.textDirection);
+    nodeEx.textDirection = node.textDirection;
     nodeEx.rect = std::move(node.rect);
     nodeEx.transform = std::move(node.transform);
     nodeEx.childrenInTraversalOrder = std::move(node.childrenInTraversalOrder);
@@ -2069,11 +1892,12 @@ SemanticsNodeExtent OhosAccessibilityBridge::UpdatetSemanticsNodeExtent(
 }
 
 void OhosAccessibilityBridge::GetSemanticsNodeDebugInfo(
-    SemanticsNodeExtent node)
+    const SemanticsNodeExtent& node)
 {
     FML_DLOG(INFO) << "-------------------SemanticsNode------------------";
     SkMatrix _transform = node.transform.asM33();
     FML_DLOG(INFO) << "node.id=" << node.id;
+    FML_DLOG(INFO) << "node.parentId=" << node.parentId;
     FML_DLOG(INFO) << "node.label=" << node.label;
     FML_DLOG(INFO) << "node.previousLabel=" << node.previousLabel;
     FML_DLOG(INFO) << "node.tooltip=" << node.tooltip;
@@ -2146,7 +1970,7 @@ void OhosAccessibilityBridge::GetSemanticsNodeDebugInfo(
 }
 
 void OhosAccessibilityBridge::GetSemanticsFlagsDebugInfo(
-    SemanticsNodeExtent node)
+    const SemanticsNodeExtent& node)
 {
     FML_DLOG(INFO) << "----------------SemanticsFlags-------------------------";
     FML_DLOG(INFO) << "node.id=" << node.id;
@@ -2187,7 +2011,7 @@ void OhosAccessibilityBridge::GetSemanticsFlagsDebugInfo(
   }
 
   void OhosAccessibilityBridge::GetCustomActionDebugInfo(
-      flutter::CustomAccessibilityAction customAccessibilityAction)
+      const flutter::CustomAccessibilityAction& customAccessibilityAction)
   {
     FML_DLOG(INFO) << "--------------CustomAccessibilityAction------------";
     FML_DLOG(INFO) << "customAccessibilityAction.id="
@@ -2208,10 +2032,6 @@ void OhosAccessibilityBridge::GetSemanticsDebugInfo()
         FML_DLOG(INFO) << "g_flutterSemanticsTree -> {" << item.first << ", "
                        << item.second.id << "}";
     }
-    for (const auto& item : g_parentChildIdVec) {
-        FML_DLOG(INFO) << "g_parentChildIdVec -> (" << item.first << ", "
-                       << item.second << ")";
-    }
     //打印按层次遍历排序的flutter语义树节点id数组
     std::vector<int64_t> levelOrderTraversalTree = GetLevelOrderTraversalTree(0);
     for (const auto& item: levelOrderTraversalTree) {
diff --git a/shell/platform/ohos/accessibility/ohos_accessibility_bridge.h b/shell/platform/ohos/accessibility/ohos_accessibility_bridge.h
index d947b14f14b223ce5d16474c8372cf60ff4ee5bb..dd51c4553faaf0d0a74c5dd4cebbf69b7462b6ed 100644
--- a/shell/platform/ohos/accessibility/ohos_accessibility_bridge.h
+++ b/shell/platform/ohos/accessibility/ohos_accessibility_bridge.h
@@ -44,7 +44,6 @@ struct AbsoluteRect {
 
 };
 struct SemanticsNodeExtent : flutter::SemanticsNode {
-    bool isNull = false;
     SkM44 globalTransform = SkM44{};
     AbsoluteRect absoluteRect = AbsoluteRect::MakeEmpty();
     int32_t parentId = -1;
@@ -59,14 +58,20 @@ struct SemanticsNodeExtent : flutter::SemanticsNode {
     double previousScrollExtentMin = std::nan("");
     std::string previousValue;
     std::string previousLabel;
-    bool HasPrevAction(SemanticsAction action) const
-    {
+    bool HasPrevAction(SemanticsAction action) const {
         return (previousActions & this->actions) != 0;
     }
-    bool HasPrevFlag(SemanticsFlags flag) const
-    {
+    bool HasPrevFlag(SemanticsFlags flag) const {
         return (previousFlags & this->flags) != 0;
     }
+    bool operator==(const SemanticsNodeExtent& other) const {
+        return id == other.id;
+    }
+    struct Hash {
+        std::size_t operator()(const SemanticsNodeExtent& obj) const {
+            return std::hash<int>()(obj.id);
+        }
+    };
 };
 
 /**
@@ -79,8 +84,12 @@ public:
     OhosAccessibilityBridge& operator=(const OhosAccessibilityBridge&) = delete;
 
     std::string xcomponentId_;
-    bool isFlutterNavigated_;
     int64_t native_shell_holder_id_;
+    bool isFlutterNavigated_;
+    bool isTouchGuideOn_;
+
+    std::unordered_map<int32_t, SemanticsNodeExtent> g_flutterSemanticsTree;
+    std::unordered_map<std::string, std::unordered_map<int32_t, SemanticsNodeExtent>> g_flutterSemanticsTreeXComponents;
 
     void OnOhosAccessibilityStateChange(bool ohosAccessibilityEnabled, int64_t shellholderId);
 
@@ -137,7 +146,7 @@ public:
         ArkUI_AccessibilityEventType eventType);
 
     void RelativeRectToScreenRect(SemanticsNodeExtent& node);
-    AbsoluteRect GetAbsoluteScreenRect(SemanticsNodeExtent& flutterNode);
+    const AbsoluteRect& GetAbsoluteScreenRect(const SemanticsNodeExtent& flutterNode);
     void SetAbsoluteScreenRect(SemanticsNodeExtent& flutterNode,
                                float left,
                                float top,
@@ -159,15 +168,6 @@ private:
     std::shared_ptr<NativeAccessibilityChannel> nativeAccessibilityChannel_;
     std::shared_ptr<OhosAccessibilityFeatures> accessibilityFeatures_;
 
-    std::unordered_map<std::string, std::unordered_map<int32_t, SemanticsNodeExtent>> g_flutterSemanticsTreeXComponents;
-    std::unordered_map<std::string, std::vector<std::pair<int32_t, int32_t>>> g_parentChildIdVecXComponents;
-    std::unordered_map<std::string, std::unordered_map<int32_t, AbsoluteRect>> g_screenRectMapXComponents;
-
-    std::unordered_map<int32_t, SemanticsNodeExtent> g_flutterSemanticsTree;
-    std::vector<std::pair<int32_t, int32_t>> g_parentChildIdVec;
-    std::unordered_map<int32_t, AbsoluteRect> g_screenRectMap;
-    std::unordered_map<int32_t, SkM44> g_globalTransformMap;
-
     SemanticsNodeExtent inputFocusedNode;
     SemanticsNodeExtent lastInputFocusedNode;
     SemanticsNodeExtent accessibilityFocusedNode;
@@ -198,23 +198,6 @@ private:
     const std::string SWITCH_WIDGET_NAME = "Toggle";
     const std::string SEEKBAR_WIDGET_NAME = "SeekBar";
 
-    const std::map<std::string, ArkUI_Accessibility_ActionType>
-        ArkUI_ACTION_TYPE_MAP_ = {
-            {"invalid", ArkUI_Accessibility_ActionType::ARKUI_ACCESSIBILITY_NATIVE_ACTION_TYPE_INVALID},
-            {"click", ArkUI_Accessibility_ActionType::ARKUI_ACCESSIBILITY_NATIVE_ACTION_TYPE_CLICK},
-            {"long press", ArkUI_Accessibility_ActionType::ARKUI_ACCESSIBILITY_NATIVE_ACTION_TYPE_LONG_CLICK},
-            {"focus acquisition", ArkUI_Accessibility_ActionType::ARKUI_ACCESSIBILITY_NATIVE_ACTION_TYPE_GAIN_ACCESSIBILITY_FOCUS},
-            {"focus clearance", ArkUI_Accessibility_ActionType::ARKUI_ACCESSIBILITY_NATIVE_ACTION_TYPE_CLEAR_ACCESSIBILITY_FOCUS},
-            {"forward scroll", ArkUI_Accessibility_ActionType::ARKUI_ACCESSIBILITY_NATIVE_ACTION_TYPE_SCROLL_FORWARD},
-            {"backward scroll", ArkUI_Accessibility_ActionType::ARKUI_ACCESSIBILITY_NATIVE_ACTION_TYPE_SCROLL_BACKWARD},
-            {"copy text", ArkUI_Accessibility_ActionType::ARKUI_ACCESSIBILITY_NATIVE_ACTION_TYPE_COPY},
-            {"paste text", ArkUI_Accessibility_ActionType::ARKUI_ACCESSIBILITY_NATIVE_ACTION_TYPE_PASTE},
-            {"cut text", ArkUI_Accessibility_ActionType::ARKUI_ACCESSIBILITY_NATIVE_ACTION_TYPE_CUT},
-            {"text selection", ArkUI_Accessibility_ActionType::ARKUI_ACCESSIBILITY_NATIVE_ACTION_TYPE_SELECT_TEXT},
-            {"set text", ArkUI_Accessibility_ActionType::ARKUI_ACCESSIBILITY_NATIVE_ACTION_TYPE_SET_TEXT},
-            {"text cursor position setting", ArkUI_Accessibility_ActionType::ARKUI_ACCESSIBILITY_NATIVE_ACTION_TYPE_SET_CURSOR_POSITION},
-    };
-
     static const int32_t FOCUSABLE_FLAGS =
         static_cast<int32_t>(FLAGS_::kHasCheckedState) |
         static_cast<int32_t>(FLAGS_::kIsChecked) |
@@ -241,7 +224,7 @@ private:
         int64_t elementId);
     void FlutterSetElementInfoOperationActions(
         ArkUI_AccessibilityElementInfo* elementInfoFromList,
-        std::string widget_type);
+        const SemanticsNodeExtent& node);
     void BuildArkUISemanticsTree(
         int64_t elementId,
         ArkUI_AccessibilityElementInfo* elementInfoFromList,
@@ -253,8 +236,7 @@ private:
     flutter::SemanticsAction ArkuiActionsToFlutterActions(
         ArkUI_Accessibility_ActionType arkui_action);
 
-    void BuildParentChildNodeIdRelation(const SemanticsNodeExtent& node);
-    void ComputeGlobalTransform();
+    void ComputeGlobalTransformAndParentId();
     void ConvertRectToGlobal(SemanticsNodeExtent& node);
     SkPoint ApplyTransform(SkPoint& point, const SkM44& transform);
     
@@ -263,75 +245,66 @@ private:
 
     bool IsNodeFocusable(const SemanticsNodeExtent& flutterNode);
     bool IsNodeFocused(const SemanticsNodeExtent& flutterNode);
-    bool IsNodeCheckable(SemanticsNodeExtent flutterNode);
-    bool IsNodeChecked(SemanticsNodeExtent flutterNode);
-    bool IsNodeSelected(SemanticsNodeExtent flutterNode);
-    bool IsNodeClickable(SemanticsNodeExtent flutterNode);
-    bool IsNodeScrollable(SemanticsNodeExtent flutterNode);
-    bool IsNodePassword(SemanticsNodeExtent flutterNode);
-    bool IsNodeVisible(SemanticsNodeExtent flutterNode);
-    bool IsNodeEnabled(SemanticsNodeExtent flutterNode);
-    bool IsNodeHasLongPress(SemanticsNodeExtent flutterNode);
-    bool IsNodeShowOnScreen(SemanticsNodeExtent flutterNode);
-
-    bool IsTextField(SemanticsNodeExtent flutterNode);
-    bool IsSlider(SemanticsNodeExtent flutterNode);
-    bool IsScrollableWidget(SemanticsNodeExtent flutterNode);
+    bool IsNodeCheckable(const SemanticsNodeExtent& flutterNode);
+    bool IsNodeChecked(const SemanticsNodeExtent& flutterNode);
+    bool IsNodeSelected(const SemanticsNodeExtent& flutterNode);
+    bool IsNodeClickable(const SemanticsNodeExtent& flutterNode);
+    bool IsNodeScrollable(const SemanticsNodeExtent& flutterNode);
+    bool IsNodePassword(const SemanticsNodeExtent& flutterNode);
+    bool IsNodeVisible(const SemanticsNodeExtent& flutterNode);
+    bool IsNodeEnabled(const SemanticsNodeExtent& flutterNode);
+    bool IsNodeHasLongPress(const SemanticsNodeExtent& flutterNode);
+    bool IsNodeShowOnScreen(const SemanticsNodeExtent& flutterNode);
+    bool IsTextField(const SemanticsNodeExtent& flutterNode);
+    bool IsSlider(const SemanticsNodeExtent& flutterNode);
+    bool IsScrollableWidget(const SemanticsNodeExtent& flutterNode);
 
     void PerformClickAction(int64_t elementId,
                             ArkUI_Accessibility_ActionType action,
-                            SemanticsNodeExtent flutterNode);
+                            const SemanticsNodeExtent& flutterNode);
     void PerformLongClickAction(int64_t elementId,
                                 ArkUI_Accessibility_ActionType action,
-                                SemanticsNodeExtent flutterNode);
+                                const SemanticsNodeExtent& flutterNode);
     void PerformGainFocusnAction(int64_t elementId,
                                  ArkUI_Accessibility_ActionType action,
-                                 SemanticsNodeExtent flutterNode);
+                                 const SemanticsNodeExtent& flutterNode);
     void PerformClearFocusAction(int64_t elementId,
                                  ArkUI_Accessibility_ActionType action,
-                                 SemanticsNodeExtent flutterNode);
+                                 const SemanticsNodeExtent& flutterNode);
     void PerformScrollUpAction(int64_t elementId,
                                ArkUI_Accessibility_ActionType action,
-                               SemanticsNodeExtent flutterNode);
+                               SemanticsNodeExtent& flutterNode);
     void PerformScrollDownAction(int64_t elementId,
                                  ArkUI_Accessibility_ActionType action,
-                                 SemanticsNodeExtent flutterNode);
+                                 SemanticsNodeExtent& flutterNode);
     void PerformClipboardAction(int64_t elementId,
-                                ArkUI_Accessibility_ActionType action);
+                                const ArkUI_Accessibility_ActionType& action);
     void PerformInvalidAction(int64_t elementId,
                               ArkUI_Accessibility_ActionType action,
-                              SemanticsNodeExtent flutterNode);
-    void PerformSetText(SemanticsNodeExtent flutterNode,
+                              const SemanticsNodeExtent& flutterNode);
+    void PerformSetText(SemanticsNodeExtent& flutterNode,
                         ArkUI_Accessibility_ActionType action,
                         ArkUI_AccessibilityActionArguments* actionArguments);
-    void PerformSelectText(SemanticsNodeExtent flutterNode,
+    void PerformSelectText(const SemanticsNodeExtent& flutterNode,
                            ArkUI_Accessibility_ActionType action,
                            ArkUI_AccessibilityActionArguments* actionArguments);
     void PerformSetCursorPosition(SemanticsNodeExtent flutterNode,
                                   ArkUI_Accessibility_ActionType action,
                                   ArkUI_AccessibilityActionArguments* actionArguments);
-    void PerformCustomAction(SemanticsNodeExtent flutterNode,
+    void PerformCustomAction(const SemanticsNodeExtent& flutterNode,
                              ArkUI_Accessibility_ActionType action,
                              ArkUI_AccessibilityActionArguments* actionArguments);
-    void PerformShowOnScreenAction(SemanticsNodeExtent flutterNode);
+    void PerformShowOnScreenAction(const SemanticsNodeExtent& flutterNode);
 
-    void AddRouteNodes(std::vector<SemanticsNodeExtent> edges,
-                       SemanticsNodeExtent node);
-    std::string GetRouteName(SemanticsNodeExtent node);
-    void OnWindowNameChange(SemanticsNodeExtent route);
-    void RemoveSemanticsNode(SemanticsNodeExtent nodeToBeRemoved);
-
-    void GetSemanticsNodeDebugInfo(SemanticsNodeExtent node);
-    void GetSemanticsFlagsDebugInfo(SemanticsNodeExtent node);
+    void GetSemanticsNodeDebugInfo(const SemanticsNodeExtent& node);
+    void GetSemanticsFlagsDebugInfo(const SemanticsNodeExtent& node);
     void GetCustomActionDebugInfo(
-        flutter::CustomAccessibilityAction customAccessibilityAction);
+        const flutter::CustomAccessibilityAction& customAccessibilityAction);
 
     void RequestFocusWhenPageUpdate(int32_t requestFocusId);
-    bool Contains(const std::string source, const std::string target);
-    std::pair<float, float> GetRealScaleFactor();
-    void DoubleClickRouteToNewPage(SemanticsNodeExtent node);
     void GetSemanticsDebugInfo();
     void AccessibiltiyChangesWithXComponentId();
 };
+
 }  // namespace flutter
 #endif  // OHOS_ACCESSIBILITY_BRIDGE_H
diff --git a/shell/platform/ohos/accessibility/ohos_accessibility_manager.cpp b/shell/platform/ohos/accessibility/ohos_accessibility_manager.cpp
deleted file mode 100644
index e6b811032418945d50b33d84b3e8d403a3704f3e..0000000000000000000000000000000000000000
--- a/shell/platform/ohos/accessibility/ohos_accessibility_manager.cpp
+++ /dev/null
@@ -1,30 +0,0 @@
-/*
- * Copyright (c) 2021-2024 Huawei Device Co., Ltd. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE_HW file.
- */
-#include "ohos_accessibility_manager.h"
-
-namespace flutter {
-
-OhosAccessibilityManager::OhosAccessibilityManager() {}
-
-OhosAccessibilityManager::~OhosAccessibilityManager() {}
-
-/**
- * 监听ohos平台是否开启无障碍屏幕朗读功能
- */
-void OhosAccessibilityManager::OnAccessibilityStateChanged(
-    bool ohosAccessibilityEnabled) {}
-
-void OhosAccessibilityManager::SetOhosAccessibilityEnabled(bool isEnabled) 
-{
-  this->isOhosAccessibilityEnabled_ = isEnabled;
-}
-
-bool OhosAccessibilityManager::GetOhosAccessibilityEnabled() 
-{
-  return this->isOhosAccessibilityEnabled_;
-}
-
-}  // namespace flutter
diff --git a/shell/platform/ohos/accessibility/ohos_accessibility_manager.h b/shell/platform/ohos/accessibility/ohos_accessibility_manager.h
deleted file mode 100644
index 1ae56a60f9230498b9b6d47e754ab804aebe8958..0000000000000000000000000000000000000000
--- a/shell/platform/ohos/accessibility/ohos_accessibility_manager.h
+++ /dev/null
@@ -1,31 +0,0 @@
-/*
- * Copyright (c) 2021-2024 Huawei Device Co., Ltd. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE_HW file.
- */
-#ifndef OHOS_ACCESSIBILITY_MANAGER_H
-#define OHOS_ACCESSIBILITY_MANAGER_H
-#include <memory>
-
-namespace flutter {
-/**
- * 无障碍辅助管理类
- */
-class OhosAccessibilityManager {
- public:
-  OhosAccessibilityManager();
-  ~OhosAccessibilityManager();
-
-  void OnAccessibilityStateChanged(bool ohosAccessibilityEnabled);
-
-  bool GetOhosAccessibilityEnabled();
-
-  void SetOhosAccessibilityEnabled(bool isEnabled);
-
- private:
-   bool isOhosAccessibilityEnabled_;
-};
-
-}  // namespace flutter
-
-#endif
\ No newline at end of file
diff --git a/shell/platform/ohos/flutter_embedding/flutter/src/main/cpp/types/libflutter/index.d.ets b/shell/platform/ohos/flutter_embedding/flutter/src/main/cpp/types/libflutter/index.d.ets
index 99aa2d54f7ac2c33aa6685fe452d46060937387a..34524c31cc396a64cc0c1eda5a0bbe8aa8a94f57 100644
--- a/shell/platform/ohos/flutter_embedding/flutter/src/main/cpp/types/libflutter/index.d.ets
+++ b/shell/platform/ohos/flutter_embedding/flutter/src/main/cpp/types/libflutter/index.d.ets
@@ -167,4 +167,6 @@ export const nativeUnicodeIsRegionalIndicatorSymbol: (code: number) => number;
 
 export const nativeGetXComponentId: (id: string) => number;
 
-export const nativeSetDVsyncSwitch: (nativeShellHolderId: number, isEnable: boolean) => void;
\ No newline at end of file
+export const nativeSetDVsyncSwitch: (nativeShellHolderId: number, isEnable: boolean) => void;
+
+export const nativeTouchGuideStateChange: (state: Boolean) => void;
diff --git a/shell/platform/ohos/flutter_embedding/flutter/src/main/ets/embedding/engine/FlutterNapi.ets b/shell/platform/ohos/flutter_embedding/flutter/src/main/ets/embedding/engine/FlutterNapi.ets
index 75ec3f3f3c59089553a1f107dba6427802541ef0..f4317b6bdcfbf1d648aa36b19fac3682253e9232 100644
--- a/shell/platform/ohos/flutter_embedding/flutter/src/main/ets/embedding/engine/FlutterNapi.ets
+++ b/shell/platform/ohos/flutter_embedding/flutter/src/main/ets/embedding/engine/FlutterNapi.ets
@@ -370,6 +370,11 @@ export default class FlutterNapi {
     flutter.nativeAccessibilityStateChange(this.nativeShellHolderId!, state);
   }
 
+  touchGuideStateChange(state: Boolean): void {
+    this.ensureRunningOnMainThread();
+    flutter.nativeTouchGuideStateChange(state);
+  }
+
   setLocalizationPlugin(localizationPlugin: LocalizationPlugin | null): void {
     this.localizationPlugin = localizationPlugin;
   }
diff --git a/shell/platform/ohos/flutter_embedding/flutter/src/main/ets/embedding/ohos/FlutterPage.ets b/shell/platform/ohos/flutter_embedding/flutter/src/main/ets/embedding/ohos/FlutterPage.ets
index 34a1148219e45656a3d31f42392e60d53e925447..04f49062a4c8effa9345028dd8d5856a437e3136 100644
--- a/shell/platform/ohos/flutter_embedding/flutter/src/main/ets/embedding/ohos/FlutterPage.ets
+++ b/shell/platform/ohos/flutter_embedding/flutter/src/main/ets/embedding/ohos/FlutterPage.ets
@@ -9,7 +9,6 @@ import { FlutterView } from '../../view/FlutterView';
 import FlutterManager from './FlutterManager';
 import { DVModel, DVModelChildren, DynamicView } from '../../view/DynamicView/dynamicView';
 import flutter from 'libflutter.so';
-
 const TAG = "FlutterPage";
 
 export const OHOS_FLUTTER_PAGE_UPDATE = "ohos_flutter_page_update";
@@ -67,9 +66,10 @@ export struct FlutterPage {
             (ratioInc: boolean, ratio: number) => {
               if (ratioInc) {
                 Log.i(TAG, "setOnVisibleAreaApproximateChange -> xcomponentId: " + this.viewId +
-                  " ratioInc: " + ratioInc + " ratio: " + ratio);
+                           " ratioInc: " + ratioInc + " ratio: " + ratio);
                 flutter.nativeGetXComponentId(this.viewId);
                 // 保证获取xcomponentid之后再使用无障碍
+                this.flutterView?.onTouchGuideIsOpen();
                 this.flutterView?.onAccessibilityIsOpen();
               }
             }
@@ -173,9 +173,10 @@ export struct FlutterPage {
             (ratioInc: boolean, ratio: number) => {
               if (ratioInc) {
                 Log.i(TAG, "setOnVisibleAreaApproximateChange -> xcomponentId: " + this.viewId +
-                  " ratioInc: " + ratioInc + " ratio: " + ratio);
+                            " ratioInc: " + ratioInc + " ratio: " + ratio);
                 flutter.nativeGetXComponentId(this.viewId);
                 // 保证获取xcomponentid之后再使用无障碍
+                this.flutterView?.onTouchGuideIsOpen();
                 this.flutterView?.onAccessibilityIsOpen();
               }
             }
diff --git a/shell/platform/ohos/flutter_embedding/flutter/src/main/ets/view/FlutterView.ets b/shell/platform/ohos/flutter_embedding/flutter/src/main/ets/view/FlutterView.ets
index 0a6b2bcc1b76ac1a376fa7807184649a2306eb31..840ecc421a986bf3736bec5f90b4d115e179b9e8 100644
--- a/shell/platform/ohos/flutter_embedding/flutter/src/main/ets/view/FlutterView.ets
+++ b/shell/platform/ohos/flutter_embedding/flutter/src/main/ets/view/FlutterView.ets
@@ -207,6 +207,12 @@ export class FlutterView {
     this.mainWindow?.on('avoidAreaChange', this.avoidAreaChangeCallback);
     this.mainWindow?.on('windowStatusChange', this.windowStatusChangeCallback);
 
+    // listen the touchGuideStateChange, when screen reader is on that
+    // the callback data of this lister event is true
+    accessibility.on('touchGuideStateChange', (data: boolean) => {
+      this.flutterEngine?.getFlutterNapi()?.touchGuideStateChange(data);
+      console.info(`subscribe touch guide state change, result: ${JSON.stringify(data)}`);
+    });
     //监听系统无障碍服务状态改变
     accessibility.on('accessibilityStateChange', (data: boolean) => {
       Log.i(TAG, `subscribe accessibility state change, result: ${JSON.stringify(data)}`);
@@ -370,6 +376,9 @@ export class FlutterView {
       this.mainWindow?.off('windowSizeChange', this.windowSizeChangeCallback);
       this.mainWindow?.off('avoidAreaChange', this.avoidAreaChangeCallback);
       this.mainWindow?.off('windowStatusChange', this.windowStatusChangeCallback);
+      accessibility.off('touchGuideStateChange', (data: boolean) => {
+        Log.i(TAG, `subscribe touch guide state change, result: ${JSON.stringify(data)}`);
+      });
       accessibility.off('accessibilityStateChange', (data: boolean) => {
         Log.i(TAG, `unsubscribe accessibility state change, result: ${JSON.stringify(data)}`);
       });
@@ -503,6 +512,14 @@ export class FlutterView {
     Log.i(TAG, `accessibility isOpen state -> ${JSON.stringify(accessibilityState)}`);
   }
 
+  onTouchGuideIsOpen() {
+    let touchGuideState: boolean = accessibility.isOpenTouchGuideSync();
+    if(touchGuideState) {
+      this.flutterEngine?.getFlutterNapi()?.touchGuideStateChange(touchGuideState)
+    }
+    Log.i(TAG, `Touch Guide isOpen state -> ${JSON.stringify(touchGuideState)}`);
+  }
+
   onAreaChange(newArea: Area | null, setFullScreen: boolean = false) {
     if (newArea != null) {
       this.viewportMetrics.physicalWidth = vp2px(newArea.width as number);
diff --git a/shell/platform/ohos/library_loader.cpp b/shell/platform/ohos/library_loader.cpp
index 165f9c26f6b6c55dd94acd1f54ea1c38392d49b2..f2af665a25fd6a27ed3ded9c09394837a71143cd 100644
--- a/shell/platform/ohos/library_loader.cpp
+++ b/shell/platform/ohos/library_loader.cpp
@@ -190,6 +190,9 @@ static napi_value Init(napi_env env, napi_value exports) {
       DECLARE_NAPI_FUNCTION(
           "nativeSetDVsyncSwitch",
           flutter::PlatformViewOHOSNapi::nativeSetDVsyncSwitch),
+      DECLARE_NAPI_FUNCTION(
+          "nativeTouchGuideStateChange",
+          flutter::PlatformViewOHOSNapi::NativeTouchGuideStateChange),
   };
 
   FML_DLOG(INFO) << "Init NAPI size=" << sizeof(desc) / sizeof(desc[0]);
diff --git a/shell/platform/ohos/napi/platform_view_ohos_napi.cpp b/shell/platform/ohos/napi/platform_view_ohos_napi.cpp
index cfa0c2d3090003d006221772fcee25aff931f43e..ef8de8b2b4f36fd93d57cd5d6748ec11b3b3b88e 100644
--- a/shell/platform/ohos/napi/platform_view_ohos_napi.cpp
+++ b/shell/platform/ohos/napi/platform_view_ohos_napi.cpp
@@ -2347,4 +2347,22 @@ napi_value PlatformViewOHOSNapi::nativeSetDVsyncSwitch(napi_env env, napi_callba
   napi_create_int32(env, 0, &result);
   return result;
 }
+
+napi_value PlatformViewOHOSNapi::NativeTouchGuideStateChange(napi_env env, napi_callback_info info)
+{
+    size_t argc = 1;
+    napi_value args[1] = {nullptr};
+    napi_get_cb_info(env, info, &argc, args, nullptr, nullptr);
+
+    bool touchGuideState = false;
+    bool ret = napi_get_value_bool(env, args[0], &touchGuideState);
+    if (ret != napi_ok) {
+      FML_DLOG(ERROR) << "NativeTouchGuideStateChange touchGuideState: " << touchGuideState;
+      return nullptr;
+    }
+
+    OhosAccessibilityBridge::GetInstance()->isTouchGuideOn_ = touchGuideState;
+    FML_DLOG(INFO) << "NativeTouchGuideStateChange -> touchGuideState: " << touchGuideState;
+    return nullptr;
+}
 }  // namespace flutter
\ No newline at end of file
diff --git a/shell/platform/ohos/napi/platform_view_ohos_napi.h b/shell/platform/ohos/napi/platform_view_ohos_napi.h
index 65c59694173b2b797d5876c9c84c68346b16e596..6f10aae4e1af9f34f53b6a0524a3de5e86784329 100644
--- a/shell/platform/ohos/napi/platform_view_ohos_napi.h
+++ b/shell/platform/ohos/napi/platform_view_ohos_napi.h
@@ -271,6 +271,10 @@ class PlatformViewOHOSNapi {
       napi_env env,
       napi_callback_info info);
 
+  static napi_value NativeTouchGuideStateChange(
+      napi_env env,
+      napi_callback_info info);
+
  private:
   static napi_env env_;
   napi_ref ref_napi_obj_;
diff --git a/shell/platform/ohos/ohos_xcomponent_adapter.cpp b/shell/platform/ohos/ohos_xcomponent_adapter.cpp
index f9ef00ee506479c5e598858fd9dc193807da87e7..a7da244df798c1fe36d0d35bb63005b54e4be117 100644
--- a/shell/platform/ohos/ohos_xcomponent_adapter.cpp
+++ b/shell/platform/ohos/ohos_xcomponent_adapter.cpp
@@ -195,6 +195,8 @@ void OnSurfaceDestroyedCB(OH_NativeXComponent* component, void* window) {
       delete it->second;
       // 将当前要销毁的xcomponent对应的无障碍provider指针置nullptr
       it->second->accessibilityProvider_ = nullptr;
+      // delete the semantics tree of the destroyed xcomponent
+      OhosAccessibilityBridge::GetInstance()->g_flutterSemanticsTreeXComponents.erase(it->first);
       it = XComponentAdapter::GetInstance()->xcomponetMap_.erase(it);
     } else {
       ++it;
diff --git a/shell/platform/ohos/platform_view_ohos.cpp b/shell/platform/ohos/platform_view_ohos.cpp
index d164be8830d1d3c8d7884bb3ce8df125b3738c06..be9e82c6cc64ba346ddc87cfbc15da90aa49583f 100644
--- a/shell/platform/ohos/platform_view_ohos.cpp
+++ b/shell/platform/ohos/platform_view_ohos.cpp
@@ -280,7 +280,7 @@ void PlatformViewOHOS::UpdateSemantics(
     flutter::CustomAccessibilityActionUpdates actions) {
     FML_DLOG(INFO) << "PlatformViewOHOS::UpdateSemantics()";
     auto nativeAccessibilityChannel_ = std::make_shared<NativeAccessibilityChannel>();
-    nativeAccessibilityChannel_->UpdateSemantics(update, actions);
+    nativeAccessibilityChannel_->UpdateSemantics(std::move(update), std::move(actions));
 }
 
 // |PlatformView|