diff --git a/ConnectivityKit/bluetooth/BUILD.gn b/ConnectivityKit/bluetooth/BUILD.gn
new file mode 100644
index 0000000000000000000000000000000000000000..869366f31d196301aa0499d694ef943d419fda77
--- /dev/null
+++ b/ConnectivityKit/bluetooth/BUILD.gn
@@ -0,0 +1,29 @@
+# Copyright (C) 2024 Huawei Device Co., Ltd.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import("//build/ohos.gni")
+import("//build/ohos/ndk/ndk.gni")
+
+ohos_ndk_headers("bluetooth_ndk_header") {
+  dest_dir = "$ndk_headers_out_dir/ConnectivityKit/bluetooth"
+  sources = [ "./oh_bluetooth.h" ]
+}
+
+ohos_ndk_library("libbluetooth_ndk") {
+  ndk_description_file = "./libbluetooth.ndk.json"
+  output_name = "bluetooth_ndk"
+  output_extension = "so"
+  min_compact_version = "13"
+  system_capability = "SystemCapability.Communication.Bluetooth.Core"
+  system_capability_headers = [ "./oh_bluetooth.h" ]
+}
diff --git a/ConnectivityKit/bluetooth/libbluetooth.ndk.json b/ConnectivityKit/bluetooth/libbluetooth.ndk.json
new file mode 100644
index 0000000000000000000000000000000000000000..d8b21f30ce75182012fd52c07d3e0f4f7a418d8d
--- /dev/null
+++ b/ConnectivityKit/bluetooth/libbluetooth.ndk.json
@@ -0,0 +1,5 @@
+[
+    {
+        "name": "OH_Bluetooth_GetBluetoothSwitchState"
+    }
+]
\ No newline at end of file
diff --git a/ConnectivityKit/bluetooth/oh_bluetooth.h b/ConnectivityKit/bluetooth/oh_bluetooth.h
new file mode 100644
index 0000000000000000000000000000000000000000..cbe820916a8d670da02e6e9ecf27c35ad0deaeaa
--- /dev/null
+++ b/ConnectivityKit/bluetooth/oh_bluetooth.h
@@ -0,0 +1,95 @@
+/*
+ * Copyright (c) 2024 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * @addtogroup Bluetooth
+ * @{
+ *
+ * @brief Provide functions for querying the status of bluetooth switch.
+ * @since 13
+ */
+/**
+ * @file oh_bluetooth.h
+ * @kit ConnectivityKit
+ * @brief Define interfaces for querying bluetooth switch status.
+ * @library libbluetooth.so
+ * @syscap SystemCapability.Communication.Bluetooth.Core
+ * @since 13
+ */
+
+#ifndef OH_BLUETOOTH_H
+#define OH_BLUETOOTH_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @brief Enumeration state of bluetooth switch.
+ *
+ * @since 13
+ */
+typedef enum Bluetooth_SwitchState {
+    /** Indicates the local bluetooth is off. */
+    BLUETOOTH_STATE_OFF = 0,
+    /** Indicates the local bluetooth is turning on. */
+    BLUETOOTH_STATE_TURNING_ON = 1,
+    /** Indicates the local bluetooth is on, and ready for use. */
+    BLUETOOTH_STATE_ON = 2,
+    /** Indicates the local bluetooth is turning off. */
+    BLUETOOTH_STATE_TURNING_OFF = 3,
+    /** Indicates the local bluetooth is turning LE mode on. */
+    BLUETOOTH_STATE_BLE_TURNING_ON = 4,
+    /** Indicates the local bluetooth is in LE only mode. */
+    BLUETOOTH_STATE_BLE_ON = 5,
+    /** Indicates the local bluetooth is turning off LE only mode. */
+    BLUETOOTH_STATE_BLE_TURNING_OFF = 6
+} Bluetooth_SwitchState;
+
+/**
+ * @brief Enumeration the bluetooth result codes.
+ *
+ * @since 13
+ */
+typedef enum Bluetooth_ResultCode {
+    /**
+     * @error The operation is successful.
+     */
+    BLUETOOTH_SUCCESS = 0,
+    /**
+     * @error Parameter error. Possible reasons: 1. The input parameter is a null pointer;
+     * 2. Parameter values exceed the defined range.
+     */
+    BLUETOOTH_INVALID_PARAM = 401,
+} Bluetooth_ResultCode;
+
+/**
+ * @brief Get the bluetooth switch state.
+ *
+ * @param state - It is a pointer used to receive bluetooth switch status values.
+ * The caller needs to pass in a non empty boolean pointer, otherwise an error will be returned.
+ * For a detailed definition, please refer to {@link Bluetooth_SwitchState}.
+ * @return Bluetooth functions result code.
+ *     For a detailed definition, please refer to {@link Bluetooth_ResultCode}.
+ *     {@link BLUETOOTH_SUCCESS} Successfully obtained the bluetooth switch status.
+ *     {@link BLUETOOTH_INVALID_PARAM} The input parameter enabled is a null pointer.
+ * @since 13
+ */
+Bluetooth_ResultCode OH_Bluetooth_GetBluetoothSwitchState(Bluetooth_SwitchState *state);
+#ifdef __cplusplus
+}
+#endif
+/** @} */
+#endif // OH_BLUETOOTH_H
\ No newline at end of file
diff --git a/graphic/graphic_2d/native_window/graphic_error_code.h b/graphic/graphic_2d/native_window/graphic_error_code.h
index 1b5e9deb0166e9817bf5cf1f8a600f73ef53c5dd..9bd9f2aceecfedf45c98950a9f21c033ab80c989 100644
--- a/graphic/graphic_2d/native_window/graphic_error_code.h
+++ b/graphic/graphic_2d/native_window/graphic_error_code.h
@@ -80,7 +80,10 @@ typedef enum OHNativeErrorCode {
     NATIVE_ERROR_UNSUPPORTED = 50102000,
     /** @error unknown error, please check log */
     NATIVE_ERROR_UNKNOWN = 50002000,
-    /** @error hdi interface error */
+    /**
+     * @error hdi interface error
+     * @since 13
+     */
     NATIVE_ERROR_HDI_ERROR = 50007000,
     /** @error ipc send failed */
     NATIVE_ERROR_BINDER_ERROR = 50401000,