diff --git a/shell/platform/ohos/accessibility/native_accessibility_channel.cpp b/shell/platform/ohos/accessibility/native_accessibility_channel.cpp
index b772ab6603ff9644ba3e6bd7e34c878bbadac634..7d571f3528bd1d3484c97909e4cbacc28fc304cc 100644
--- a/shell/platform/ohos/accessibility/native_accessibility_channel.cpp
+++ b/shell/platform/ohos/accessibility/native_accessibility_channel.cpp
@@ -73,7 +73,7 @@ namespace flutter {
   {
     auto ohos_shell_holder =
         reinterpret_cast<OHOSShellHolder*>(shellHolderId);
-    ohos_shell_holder->GetPlatformView()->PlatformView::DispatchSemanticsAction(id, action, fml::MallocMapping());
+    ohos_shell_holder->GetPlatformView()->PlatformView::DispatchSemanticsAction(id, action, std::move(args));
   }
 
   /**
diff --git a/shell/platform/ohos/accessibility/ohos_accessibility_bridge.cpp b/shell/platform/ohos/accessibility/ohos_accessibility_bridge.cpp
index d173fdba5c19d5b428740f408ed4d3d1dad646b2..dbb1a076e9f5bad61c48d76558c3fe68aef5513d 100644
--- a/shell/platform/ohos/accessibility/ohos_accessibility_bridge.cpp
+++ b/shell/platform/ohos/accessibility/ohos_accessibility_bridge.cpp
@@ -44,16 +44,16 @@ OhosAccessibilityBridge* OhosAccessibilityBridge::GetInstance()
 }
 
 OhosAccessibilityBridge::OhosAccessibilityBridge()
-    : isFlutterNavigated_(false), provider_(nullptr), isAccessibilityEnabled_(false) {}
+    : isFlutterNavigated_(false), provider_(nullptr),
+      isAccessibilityEnabled_(false) {}
 
 /**
  * 监听当前ohos平台是否开启无障碍屏幕朗读服务
  */
 void OhosAccessibilityBridge::OnOhosAccessibilityStateChange(
-    int64_t shellHolderId,
-    bool ohosAccessibilityEnabled)
+    bool ohosAccessibilityEnabled, int64_t shellholderId)
 {
-    native_shell_holder_id_ = shellHolderId;
+    native_shell_holder_id_ = shellholderId;
     provider_ = XComponentAdapter::GetInstance()->accessibilityProvider_;
     nativeAccessibilityChannel_ = std::make_shared<NativeAccessibilityChannel>();
     accessibilityFeatures_ = std::make_shared<OhosAccessibilityFeatures>();
@@ -81,15 +81,16 @@ void OhosAccessibilityBridge::UpdateSemantics(
     flutter::CustomAccessibilityActionUpdates actions)
 {
     FML_DLOG(INFO) << "OhosAccessibilityBridge::UpdateSemantics()";
+    provider_ = XComponentAdapter::GetInstance()->accessibilityProvider_;
     std::vector<SemanticsNodeExtent> updatedFlutterNodes;
 
     // 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）
     if (isFlutterNavigated_) {
-      Flutter_SendAccessibilityAsyncEvent(0, 
-          ArkUI_AccessibilityEventType::
-              ARKUI_ACCESSIBILITY_NATIVE_EVENT_TYPE_PAGE_STATE_UPDATE);
-      RequestFocusWhenPageUpdate(0);
-      isFlutterNavigated_ = false;
+        Flutter_SendAccessibilityAsyncEvent(0, 
+            ArkUI_AccessibilityEventType::
+                ARKUI_ACCESSIBILITY_NATIVE_EVENT_TYPE_PAGE_STATE_UPDATE);
+        RequestFocusWhenPageUpdate(0);
+        isFlutterNavigated_ = false;
     }
 
     /** 获取并分析每个语义节点的更新属性 */
@@ -104,11 +105,7 @@ void OhosAccessibilityBridge::UpdateSemantics(
         GetSemanticsNodeDebugInfo(nodeEx);
         GetSemanticsFlagsDebugInfo(nodeEx);
 
-        /**
-         * 构建flutter无障碍语义节点树
-         * NOTE: 若使用g_flutterSemanticsTree.insert({node.id, node})方式
-         * 来添加新增的语义节点会导致已有key值自动忽略，不会更新原有key对应的value
-         */
+        // 构建flutter无障碍语义节点树
         g_flutterSemanticsTree[nodeEx.id] = nodeEx;
 
         // 若当前节点为获焦
@@ -273,10 +270,8 @@ void OhosAccessibilityBridge::FlutterScrollExecution(
 void OhosAccessibilityBridge::RequestFocusWhenPageUpdate(int32_t requestFocusId)
 {
     if (OHOS_API_VERSION < 13) { return; }
-    CHECK_NULL_PTR(provider_, RequestFocusWhenPageUpdate);
-    if (provider_ == nullptr) {
-        return;
-    }
+    provider_ = XComponentAdapter::GetInstance()->accessibilityProvider_;
+    CHECK_NULL_PTR_RET_VOID(provider_, RequestFocusWhenPageUpdate);
     
     auto OH_ArkUI_CreateAccessibilityEventInfo = 
         OhosAccessibilityDDL::DLLoadCreateEventInfoFunc(ArkUIAccessibilityConstant::ARKUI_CREATE_EVENT);
@@ -980,8 +975,7 @@ int32_t OhosAccessibilityBridge::FindAccessibilityNodeInfosById(
     if (OHOS_API_VERSION < 13) { return ARKUI_FAILED_CODE; }
     FML_DLOG(INFO)
         << "#### FindAccessibilityNodeInfosById input-params ####: elementId = "
-        << elementId << " mode=" << mode << " requestId=" << requestId
-        << " elementList= " << elementList;
+        << elementId << " mode=" << mode;
     CHECK_NULL_PTR_WITH_RET(elementList, FindAccessibilityNodeInfosById);
 
     if (g_flutterSemanticsTree.size() == 0) {
@@ -1033,6 +1027,7 @@ int32_t OhosAccessibilityBridge::FindAccessibilityNodeInfosById(
         FlutterSetElementInfoProperties(elementInfoFromList, elementId);
     }
     FML_DLOG(INFO) << "--- FindAccessibilityNodeInfosById is end ---";
+
     return ARKUI_ACCESSIBILITY_NATIVE_RESULT_SUCCESSFUL;
 }
 
@@ -1047,7 +1042,7 @@ void OhosAccessibilityBridge::DispatchSemanticsAction(
     nativeAccessibilityChannel_->DispatchSemanticsAction(native_shell_holder_id_,
                                                          id,
                                                          action,
-                                                         fml::MallocMapping());
+                                                         std::move(args));
 }
 
 /**
@@ -1372,9 +1367,7 @@ int32_t OhosAccessibilityBridge::ExecuteAccessibilityAction(
     int32_t requestId)
 {
     FML_DLOG(INFO) << "ExecuteAccessibilityAction input-params-> elementId="
-                   << elementId << " action=" << action
-                   << " requestId=" << requestId
-                   << " *actionArguments=" << actionArguments;
+                   << elementId << " action=" << action;
     CHECK_NULL_PTR_WITH_RET(actionArguments, ExecuteAccessibilityAction);
 
     // 获取当前elementid对应的flutter语义节点
@@ -1572,9 +1565,8 @@ void OhosAccessibilityBridge::Flutter_SendAccessibilityAnnounceEvent(
     ArkUI_AccessibilityEventType eventType)
 {
     if (OHOS_API_VERSION < 13) { return; }
-
-    CHECK_NULL_PTR(provider_, Flutter_SendAccessibilityAnnounceEvent);
-    if (provider_ == nullptr) { return; }
+    provider_ = XComponentAdapter::GetInstance()->accessibilityProvider_;
+    CHECK_NULL_PTR_RET_VOID(provider_, Flutter_SendAccessibilityAnnounceEvent);
 
     // 创建并设置屏幕朗读事件
     auto OH_ArkUI_CreateAccessibilityEventInfo =
@@ -1622,9 +1614,8 @@ void OhosAccessibilityBridge::Flutter_SendAccessibilityAsyncEvent(
     ArkUI_AccessibilityEventType eventType)
 {
     if (OHOS_API_VERSION < 13) { return; }
-
-    CHECK_NULL_PTR(provider_, Flutter_SendAccessibilityAsyncEvent);
-    if (provider_ == nullptr) { return; }
+    provider_ = XComponentAdapter::GetInstance()->accessibilityProvider_;
+    CHECK_NULL_PTR_RET_VOID(provider_, Flutter_SendAccessibilityAsyncEvent);
 
     // 创建eventInfo对象
     auto OH_ArkUI_CreateAccessibilityEventInfo =
diff --git a/shell/platform/ohos/accessibility/ohos_accessibility_bridge.h b/shell/platform/ohos/accessibility/ohos_accessibility_bridge.h
index d3ae2d4bf2b96a7a608ddb9c7eb5cccbe62763d8..f4e03364ce919ed2d80743e5c48c986d4257616e 100644
--- a/shell/platform/ohos/accessibility/ohos_accessibility_bridge.h
+++ b/shell/platform/ohos/accessibility/ohos_accessibility_bridge.h
@@ -82,9 +82,7 @@ public:
     int64_t native_shell_holder_id_;
     ArkUI_AccessibilityProvider* provider_;
 
-    void OnOhosAccessibilityStateChange(
-        int64_t shellHolderId,
-        bool ohosAccessibilityEnabled);
+    void OnOhosAccessibilityStateChange(bool ohosAccessibilityEnabled, int64_t shellholderId);
 
     void SetNativeShellHolderId(int64_t id);
 
@@ -163,8 +161,8 @@ private:
     std::shared_ptr<NativeAccessibilityChannel> nativeAccessibilityChannel_;
     std::shared_ptr<OhosAccessibilityFeatures> accessibilityFeatures_;
 
+    std::unordered_map<int32_t, SemanticsNodeExtent> g_flutterSemanticsTree;
     std::vector<std::pair<int32_t, int32_t>> g_parentChildIdVec;
-    std::map<int32_t, SemanticsNodeExtent> g_flutterSemanticsTree;
     std::unordered_map<int32_t, AbsoluteRect> g_screenRectMap;
 
     SemanticsNodeExtent inputFocusedNode;
@@ -325,6 +323,7 @@ private:
     std::pair<float, float> GetRealScaleFactor();
     void DoubleClickRouteToNewPage(SemanticsNodeExtent node);
     void GetSemanticsDebugInfo();
+    void AccessibiltiyChangesWithXComponentId();
 };
 
 enum class AccessibilityAction : int32_t {
diff --git a/shell/platform/ohos/napi/platform_view_ohos_napi.cpp b/shell/platform/ohos/napi/platform_view_ohos_napi.cpp
index 1fc61d507a57df09687c1d3e6393f50007084516..d1bf9ed4725e9298687873967201de3e48c2efde 100644
--- a/shell/platform/ohos/napi/platform_view_ohos_napi.cpp
+++ b/shell/platform/ohos/napi/platform_view_ohos_napi.cpp
@@ -1850,14 +1850,14 @@ napi_value PlatformViewOHOSNapi::nativeAccessibilityStateChange(
                     << ret;
     return nullptr;
   }
-  int64_t shell_holder_id;
-  ret = napi_get_value_int64(env, args[0], &shell_holder_id);
+
+  int64_t shellHolder = 0;
+  ret = napi_get_value_int64(env, args[0], &shellHolder);
   if (ret != napi_ok) {
-    FML_DLOG(ERROR) << "PlatformViewOHOSNapi::nativeAccessibilityStateChange "
-                       "napi_get_value_int64 error:"
-                    << ret;
+    LOGE("nativeAccessibilityStateChange shellHolder napi_get_value_int64 error");
     return nullptr;
   }
+
   bool state = false;
   ret = napi_get_value_bool(env, args[1], &state);
   if (ret != napi_ok) {
@@ -1866,17 +1866,13 @@ napi_value PlatformViewOHOSNapi::nativeAccessibilityStateChange(
                     << ret;
     return nullptr;
   }
-  LOGD(
-      "PlatformViewOHOSNapi::nativeAccessibilityStateChange state is: "
-      "%{public}s",
-      (state ? "true" : "false"));
+  LOGD("PlatformViewOHOSNapi::nativeAccessibilityStateChange state is: "
+       "%{public}s, shellholderId: %{public}ld", (state ? "true" : "false"), shellHolder);
 
   //send to accessibility bridge
   if (OHOS_API_VERSION >= 13) {
-      OhosAccessibilityBridge::GetInstance()->OnOhosAccessibilityStateChange(shell_holder_id, state);
+      OhosAccessibilityBridge::GetInstance()->OnOhosAccessibilityStateChange(state, shellHolder);
   }
-  FML_DLOG(INFO) << "nativeAccessibilityStateChange: state=" << state
-                 << " shell_holder_id=" << shell_holder_id;
   return nullptr;
 }
 
diff --git a/shell/platform/ohos/ohos_xcomponent_adapter.cpp b/shell/platform/ohos/ohos_xcomponent_adapter.cpp
index 8490fd1ade79946bfb2d04587d27985b3ed16629..424123a0c64ccc522e4b29259ebd392b54460644 100644
--- a/shell/platform/ohos/ohos_xcomponent_adapter.cpp
+++ b/shell/platform/ohos/ohos_xcomponent_adapter.cpp
@@ -366,14 +366,12 @@ void XComponentBase::DetachFlutterEngine() {
 
 void XComponentBase::RegisterArkUIAccessibilityService(OH_NativeXComponent* nativeXComponent)
 {
-    if (OH_GetSdkApiVersion() < 13) { return; }
-    LOGD("api version: %{public}d", OH_GetSdkApiVersion());
-
     BindAccessibilityProviderCallback();
 
     auto OH_NativeXComponent_GetNativeAccessibilityProvider =
         OhosAccessibilityDDL::DLLoadGetNativeA11yProvider(ArkUIAccessibilityConstant::OH_GET_A11Y_PROVIDER);
     CHECK_DLL_NULL_PTR(OH_NativeXComponent_GetNativeAccessibilityProvider);
+
     ArkUI_AccessibilityProvider* a11yProvider = nullptr;
     ARKUI_ACCESSIBILITY_CALL_CHECK(
         OH_NativeXComponent_GetNativeAccessibilityProvider(nativeXComponent, &a11yProvider)
@@ -388,6 +386,7 @@ void XComponentBase::RegisterArkUIAccessibilityService(OH_NativeXComponent* nati
     );
 
     XComponentAdapter::GetInstance()->accessibilityProvider_ = a11yProvider;
+    
     FML_DLOG(INFO) << "RegisterArkUIAccessibilityService is finished";
 }
 
@@ -398,7 +397,9 @@ void XComponentBase::SetNativeXComponent(OH_NativeXComponent* nativeXComponent){
     OH_NativeXComponent_RegisterCallback(nativeXComponent_, &callback_);
     OH_NativeXComponent_RegisterMouseEventCallback(nativeXComponent_, &mouseCallback_);
     // register the OH_ArkUI accessibility callbacks
-    RegisterArkUIAccessibilityService(nativeXComponent_);
+    if (OH_GetSdkApiVersion() >= 13) {
+      RegisterArkUIAccessibilityService(nativeXComponent_);
+    }
   }
 }
 
@@ -455,6 +456,7 @@ void XComponentBase::OnSurfaceChanged(OH_NativeXComponent* component, void* wind
 void XComponentBase::OnSurfaceDestroyed(OH_NativeXComponent* component,
                                         void* window) {
   window_ = nullptr;
+  XComponentAdapter::GetInstance()->accessibilityProvider_ = nullptr;
   LOGD("XComponentManger::OnSurfaceDestroyed");
   if (isEngineAttached_) {
     PlatformViewOHOSNapi::SurfaceDestroyed(std::stoll(shellholderId_));
diff --git a/shell/platform/ohos/ohos_xcomponent_adapter.h b/shell/platform/ohos/ohos_xcomponent_adapter.h
index 529a1d226bd696811f9b9bc0e242286a7787b323..7698e3a8f2cb44c9be00d65370badaad71ae55e3 100644
--- a/shell/platform/ohos/ohos_xcomponent_adapter.h
+++ b/shell/platform/ohos/ohos_xcomponent_adapter.h
@@ -20,6 +20,7 @@
 #include <arkui/native_interface_accessibility.h>
 #include <string>
 #include <map>
+
 #include "flutter/shell/platform/ohos/ohos_touch_processor.h"
 #include "flutter/shell/platform/ohos/napi/platform_view_ohos_napi.h"
 #include "napi/native_api.h"
@@ -66,6 +67,7 @@ public:
   uint64_t width_;
   uint64_t height_;
   OhosTouchProcessor ohosTouchProcessor_;
+  ArkUI_AccessibilityProvider* accessibilityProvider_;
 
 };
 
diff --git a/shell/platform/ohos/platform_view_ohos.cpp b/shell/platform/ohos/platform_view_ohos.cpp
index 2ba37590a3c446987780e057a660fcdd80c863a8..6d860f66aa1bd0d2d71161f8ed44301f1093a5e7 100644
--- a/shell/platform/ohos/platform_view_ohos.cpp
+++ b/shell/platform/ohos/platform_view_ohos.cpp
@@ -27,6 +27,7 @@
 #include "flutter/shell/platform/ohos/platform_view_ohos_delegate.h"
 #include <GLES2/gl2ext.h>
 
+
 namespace flutter {
 
 OhosSurfaceFactoryImpl::OhosSurfaceFactoryImpl(
@@ -297,9 +298,12 @@ void PlatformViewOHOS::UpdateAssetResolverByType(
 void PlatformViewOHOS::UpdateSemantics(
     flutter::SemanticsNodeUpdates update,
     flutter::CustomAccessibilityActionUpdates actions) {
-  FML_DLOG(INFO) << "PlatformViewOHOS::UpdateSemantics is called";
-  auto nativeAccessibilityChannel_ = std::make_shared<NativeAccessibilityChannel>();
-  nativeAccessibilityChannel_->UpdateSemantics(update, actions);
+  task_runners_.GetPlatformTaskRunner()->PostTask(
+      [update = std::move(update), actions = std::move(actions)]() {
+        auto nativeAccessibilityChannel_ = std::make_shared<NativeAccessibilityChannel>();
+        nativeAccessibilityChannel_->UpdateSemantics(update, actions);
+        FML_DLOG(INFO) << "PlatformViewOHOS::UpdateSemantics is called";
+  });
 }
 
 // |PlatformView|
diff --git a/shell/platform/ohos/utils/ddl_utils.h b/shell/platform/ohos/utils/ddl_utils.h
index 0e5eca65a87d369ba8950de9e5bdfac54db7fa7e..60f89db6d3c38387acfa069180bea25f67514840 100644
--- a/shell/platform/ohos/utils/ddl_utils.h
+++ b/shell/platform/ohos/utils/ddl_utils.h
@@ -62,4 +62,13 @@ using LIBHANDLE = void*;
         }                                                      \
     } while (false)                                            \
 
+#define CHECK_NULL_PTR_RET_VOID(PARAM, FUNC)                   \
+    do {                                                       \
+        if (PARAM == nullptr) {                                \
+            LOGE("Error: %{public}s -> %{public}s is nullptr", \
+                #FUNC, #PARAM);                                \
+            return;                                            \
+        }                                                      \
+    } while (false)                                            \
+
 #endif // FOUNDATION_ACE_INTERFACE_INNERKITS_ACE_UTILS_H