diff --git a/lib/AliyunIoTSDK/.piopm b/lib/aliyun_iot_sdk/.piopm
similarity index 100%
rename from lib/AliyunIoTSDK/.piopm
rename to lib/aliyun_iot_sdk/.piopm
diff --git a/lib/AliyunIoTSDK/CHANGES.txt b/lib/aliyun_iot_sdk/CHANGES.txt
similarity index 100%
rename from lib/AliyunIoTSDK/CHANGES.txt
rename to lib/aliyun_iot_sdk/CHANGES.txt
diff --git a/lib/AliyunIoTSDK/LICENSE.txt b/lib/aliyun_iot_sdk/LICENSE.txt
similarity index 100%
rename from lib/AliyunIoTSDK/LICENSE.txt
rename to lib/aliyun_iot_sdk/LICENSE.txt
diff --git a/lib/AliyunIoTSDK/README.md b/lib/aliyun_iot_sdk/README.md
similarity index 100%
rename from lib/AliyunIoTSDK/README.md
rename to lib/aliyun_iot_sdk/README.md
diff --git a/lib/AliyunIoTSDK/keywords.txt b/lib/aliyun_iot_sdk/keywords.txt
similarity index 100%
rename from lib/AliyunIoTSDK/keywords.txt
rename to lib/aliyun_iot_sdk/keywords.txt
diff --git a/lib/AliyunIoTSDK/library.json b/lib/aliyun_iot_sdk/library.json
similarity index 100%
rename from lib/AliyunIoTSDK/library.json
rename to lib/aliyun_iot_sdk/library.json
diff --git a/lib/AliyunIoTSDK/library.properties b/lib/aliyun_iot_sdk/library.properties
similarity index 100%
rename from lib/AliyunIoTSDK/library.properties
rename to lib/aliyun_iot_sdk/library.properties
diff --git a/lib/AliyunIoTSDK/src/AliyunIoTSDK.cpp b/lib/aliyun_iot_sdk/src/aliyun_iot_sdk.cpp
similarity index 98%
rename from lib/AliyunIoTSDK/src/AliyunIoTSDK.cpp
rename to lib/aliyun_iot_sdk/src/aliyun_iot_sdk.cpp
index 15dc151..ec12650 100644
--- a/lib/AliyunIoTSDK/src/AliyunIoTSDK.cpp
+++ b/lib/aliyun_iot_sdk/src/aliyun_iot_sdk.cpp
@@ -1,6 +1,6 @@
 /**
  *
- *  Filename:      AliyunIoTSDK.cpp
+ *  Filename:      aliyun_iot_sdk.cpp
  *
  *  Description:   basic SDK for ESP32
  *
@@ -10,10 +10,11 @@
  *
  **/
 
-#include "AliyunIoTSDK.h"
 #include <PubSubClient.h>
 #include <SHA256.h>
 
+#include "aliyun_iot_sdk.h"
+
 #define CHECK_INTERVAL 30000
 #define MESSAGE_BUFFER_SIZE 10
 #define MQTT_CONNECT_RETRY_MAX 3
@@ -148,12 +149,12 @@ int AliyunIoTSDK::mqttCheckConnect() {
     return mqttStatus;
 }
 
-int AliyunIoTSDK::begin(Client &espClient,
+int AliyunIoTSDK::begin(PubSubClient &mqttClient,
                          const char *_productKey,
                          const char *_deviceName,
                          const char *_deviceSecret,
                          const char *_region) {
-    client = new PubSubClient(espClient);
+    client = new PubSubClient(mqttClient);
     productKey = _productKey;
     deviceName = _deviceName;
     deviceSecret = _deviceSecret;
diff --git a/lib/AliyunIoTSDK/src/AliyunIoTSDK.h b/lib/aliyun_iot_sdk/src/aliyun_iot_sdk.h
similarity index 97%
rename from lib/AliyunIoTSDK/src/AliyunIoTSDK.h
rename to lib/aliyun_iot_sdk/src/aliyun_iot_sdk.h
index 84fcc2d..ec33946 100644
--- a/lib/AliyunIoTSDK/src/AliyunIoTSDK.h
+++ b/lib/aliyun_iot_sdk/src/aliyun_iot_sdk.h
@@ -1,6 +1,6 @@
 /**
  *
- *  Filename:      AliyunIoTSDK.h
+ *  Filename:      aliyun_iot_sdk.h
  *
  *  Description:   header file of basic SDK for ESP32
  *
@@ -58,13 +58,13 @@ public:
 
   /**
    * Initialize and connect to AliyunIoT
-   * @param espClient : WiFi client
+   * @param mqttClient : PubSubClient
    * @param _productKey : AliyunIoT product key
    * @param _deviceName : AliyunIoT device name
    * @param _deviceSecret : AliyunIoT device secret
    * @param _region : AliyunIoT region
    */
-  static int begin(Client &espClient,
+  static int begin(PubSubClient &mqttClient,
                    const char *_productKey,
                    const char *_deviceName,
                    const char *_deviceSecret,
diff --git a/lib/AliyunIoTSDK/如何使用 arduino-aliyun-iot-sdk 2 行代码接入物联网平台.md b/lib/aliyun_iot_sdk/如何使用 arduino-aliyun-iot-sdk 2 行代码接入物联网平台.md
similarity index 100%
rename from lib/AliyunIoTSDK/如何使用 arduino-aliyun-iot-sdk 2 行代码接入物联网平台.md
rename to lib/aliyun_iot_sdk/如何使用 arduino-aliyun-iot-sdk 2 行代码接入物联网平台.md
diff --git a/lib/IRext/include/ir_ac_apply.h b/lib/irext/include/ir_ac_apply.h
similarity index 100%
rename from lib/IRext/include/ir_ac_apply.h
rename to lib/irext/include/ir_ac_apply.h
diff --git a/lib/IRext/include/ir_ac_binary_parse.h b/lib/irext/include/ir_ac_binary_parse.h
similarity index 100%
rename from lib/IRext/include/ir_ac_binary_parse.h
rename to lib/irext/include/ir_ac_binary_parse.h
diff --git a/lib/IRext/include/ir_ac_build_frame.h b/lib/irext/include/ir_ac_build_frame.h
similarity index 100%
rename from lib/IRext/include/ir_ac_build_frame.h
rename to lib/irext/include/ir_ac_build_frame.h
diff --git a/lib/IRext/include/ir_ac_control.h b/lib/irext/include/ir_ac_control.h
similarity index 100%
rename from lib/IRext/include/ir_ac_control.h
rename to lib/irext/include/ir_ac_control.h
diff --git a/lib/IRext/include/ir_ac_parse_forbidden_info.h b/lib/irext/include/ir_ac_parse_forbidden_info.h
similarity index 100%
rename from lib/IRext/include/ir_ac_parse_forbidden_info.h
rename to lib/irext/include/ir_ac_parse_forbidden_info.h
diff --git a/lib/IRext/include/ir_ac_parse_frame_info.h b/lib/irext/include/ir_ac_parse_frame_info.h
similarity index 100%
rename from lib/IRext/include/ir_ac_parse_frame_info.h
rename to lib/irext/include/ir_ac_parse_frame_info.h
diff --git a/lib/IRext/include/ir_ac_parse_parameter.h b/lib/irext/include/ir_ac_parse_parameter.h
similarity index 100%
rename from lib/IRext/include/ir_ac_parse_parameter.h
rename to lib/irext/include/ir_ac_parse_parameter.h
diff --git a/lib/IRext/include/ir_decode.h b/lib/irext/include/ir_decode.h
similarity index 100%
rename from lib/IRext/include/ir_decode.h
rename to lib/irext/include/ir_decode.h
diff --git a/lib/IRext/include/ir_defs.h b/lib/irext/include/ir_defs.h
similarity index 100%
rename from lib/IRext/include/ir_defs.h
rename to lib/irext/include/ir_defs.h
diff --git a/lib/IRext/include/ir_tv_control.h b/lib/irext/include/ir_tv_control.h
similarity index 100%
rename from lib/IRext/include/ir_tv_control.h
rename to lib/irext/include/ir_tv_control.h
diff --git a/lib/IRext/include/ir_utils.h b/lib/irext/include/ir_utils.h
similarity index 100%
rename from lib/IRext/include/ir_utils.h
rename to lib/irext/include/ir_utils.h
diff --git a/lib/IRext/ir_ac_apply.c b/lib/irext/ir_ac_apply.c
similarity index 100%
rename from lib/IRext/ir_ac_apply.c
rename to lib/irext/ir_ac_apply.c
diff --git a/lib/IRext/ir_ac_binary_parse.c b/lib/irext/ir_ac_binary_parse.c
similarity index 100%
rename from lib/IRext/ir_ac_binary_parse.c
rename to lib/irext/ir_ac_binary_parse.c
diff --git a/lib/IRext/ir_ac_build_frame.c b/lib/irext/ir_ac_build_frame.c
similarity index 100%
rename from lib/IRext/ir_ac_build_frame.c
rename to lib/irext/ir_ac_build_frame.c
diff --git a/lib/IRext/ir_ac_control.c b/lib/irext/ir_ac_control.c
similarity index 100%
rename from lib/IRext/ir_ac_control.c
rename to lib/irext/ir_ac_control.c
diff --git a/lib/IRext/ir_ac_parse_forbidden_info.c b/lib/irext/ir_ac_parse_forbidden_info.c
similarity index 100%
rename from lib/IRext/ir_ac_parse_forbidden_info.c
rename to lib/irext/ir_ac_parse_forbidden_info.c
diff --git a/lib/IRext/ir_ac_parse_frame_info.c b/lib/irext/ir_ac_parse_frame_info.c
similarity index 100%
rename from lib/IRext/ir_ac_parse_frame_info.c
rename to lib/irext/ir_ac_parse_frame_info.c
diff --git a/lib/IRext/ir_ac_parse_parameter.c b/lib/irext/ir_ac_parse_parameter.c
similarity index 100%
rename from lib/IRext/ir_ac_parse_parameter.c
rename to lib/irext/ir_ac_parse_parameter.c
diff --git a/lib/IRext/ir_decode.c b/lib/irext/ir_decode.c
similarity index 100%
rename from lib/IRext/ir_decode.c
rename to lib/irext/ir_decode.c
diff --git a/lib/IRext/ir_tv_control.c b/lib/irext/ir_tv_control.c
similarity index 100%
rename from lib/IRext/ir_tv_control.c
rename to lib/irext/ir_tv_control.c
diff --git a/lib/IRext/ir_utils.c b/lib/irext/ir_utils.c
similarity index 100%
rename from lib/IRext/ir_utils.c
rename to lib/irext/ir_utils.c
diff --git a/src/aliot_client.cpp b/src/aliot_client.cpp
new file mode 100644
index 0000000..7684240
--- /dev/null
+++ b/src/aliot_client.cpp
@@ -0,0 +1,67 @@
+/**
+ *
+ * Copyright (c) 2020-2024 IRbaby-IRext
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include "defines.h"
+
+#include "serials.h"
+#include "iot_hub.h"
+#include "ir_baby.h"
+
+#include "aliyun_iot_sdk.h"
+
+#include "aliot_client.h"
+
+// external variable declarations
+extern String g_mqtt_server;
+extern String g_product_key;
+extern String g_device_name;
+extern String g_device_secret;
+
+extern String g_mqtt_client_id;
+extern String g_mqtt_user_name;
+extern String g_mqtt_password;
+extern String g_upstream_topic;
+extern String g_downstream_topic;
+extern int g_mqtt_port;
+
+extern String g_aliot_region;
+
+
+// private variable definitions
+static bool force_disconnected = false;
+static AliyunIoTSDK iot;
+
+
+// public function definitions
+int connectToAliyunIoT(PubSubClient &mqtt_client) {
+
+    if (0 == iot.begin(mqtt_client, g_product_key.c_str(), g_device_name.c_str(), g_device_secret.c_str(), g_aliot_region.c_str())) {
+        sendIrisKitConnect();
+    }
+    INFOLN("Aliyun IoT connected");
+    return 0;
+}
+
+void aliotKeepAlive() {
+    iot.loop();
+}
\ No newline at end of file
diff --git a/src/aliot_client.h b/src/aliot_client.h
new file mode 100644
index 0000000..d75afc2
--- /dev/null
+++ b/src/aliot_client.h
@@ -0,0 +1,35 @@
+/**
+ *
+ * Copyright (c) 2020-2024 IRbaby-IRext
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <Arduino.h>
+
+#include "aliyun_iot_sdk.h"
+
+#ifndef IRIS_KIT_ALIOT_CLIENT_H
+#define IRIS_KIT_ALIOT_CLIENT_H
+
+int connectToAliot(PubSubClient &mqtt_client);
+
+int disconnectFromAliot(PubSubClient &mqtt_client);
+
+#endif // IRIS_KIT_ALIOT_CLIENT_H
\ No newline at end of file
diff --git a/src/iot_hub.cpp b/src/iot_hub.cpp
index c14985d..9d1c985 100644
--- a/src/iot_hub.cpp
+++ b/src/iot_hub.cpp
@@ -49,6 +49,8 @@ String g_mqtt_user_name = "";
 String g_mqtt_password = "";
 String g_upstream_topic = "";
 String g_downstream_topic = "";
+
+String g_aliot_region = "cn-shanghai";
 int g_mqtt_port = 1883;
 
 int g_app_id = 0;
diff --git a/src/ir_baby.cpp b/src/ir_baby.cpp
index 95bb2d0..a31fc6a 100644
--- a/src/ir_baby.cpp
+++ b/src/ir_baby.cpp
@@ -104,7 +104,7 @@ String getDeviceID() {
     return device_id;
 }
 
-int registerIrisKit(String credential_token,
+int authIrisKit(String credential_token,
                     String password,
                     String& product_key,
                     String& device_name,
@@ -160,10 +160,9 @@ int registerIrisKit(String credential_token,
             int resultCode = http_response_doc["status"]["code"];
             if (0 == resultCode) {
                 INFOLN("response valid, try getting entity");
-                device_secret = (const char*) http_response_doc["entity"]["deviceSecret"];
+                device_secret = (const char*) http_response_doc["entity"]["deviceToken"];
                 app_id = (int) http_response_doc["entity"]["appId"];
-                INFOF("HTTP response deserialized, PK = %s, DN = %s, DS = %s\n",
-                    product_key.c_str(), device_name.c_str(), device_secret.c_str());
+                INFOF("HTTP response deserialized, PK = %s, DN = %s, DS = %s\n", product_key.c_str(), device_name.c_str(), device_secret.c_str());
                 ret = 0;
             } else {
                 INFOF("response invalid, code = %d\n", resultCode);
diff --git a/src/ir_baby.h b/src/ir_baby.h
index 987332b..005cfae 100644
--- a/src/ir_baby.h
+++ b/src/ir_baby.h
@@ -29,7 +29,7 @@
 #define PASSWORD_MAX                 (64)
 
 // web http call URL list
-#define GET_IRIS_KIT_ACCOUNT_SUFFIX  "/irext-collect/credentials/auth_iris_kit_account"
+#define GET_IRIS_KIT_ACCOUNT_SUFFIX  "/irext-collect/credentials/auth_iris_kit"
 #define LOAD_ALIOT_ACCOUNT_SUFFIX    "/irext-collect/aliot/load_account"
 #define DOWNLOAD_BIN_SUFFIX          "/irext-collect/download"
 #define DOWNLOAD_PREFIX              "http://irext-debug.oss-cn-hangzhou.aliyuncs.com/irda_"
@@ -52,7 +52,7 @@ int getIRISKitVersion(char *buffer, int buffer_size);
 
 String getDeviceID();
 
-int registerIrisKit(String credential_token,
+int authIrisKit(String credential_token,
                        String password,
                        String& product_key,
                        String& device_name,
diff --git a/src/iris_kit.cpp b/src/iris_kit.cpp
index 187604c..cbfd96a 100644
--- a/src/iris_kit.cpp
+++ b/src/iris_kit.cpp
@@ -160,12 +160,12 @@ void setup() {
 
     do {
         if (WiFi.status() == WL_CONNECTED) {
-            if (0 == registerIrisKit(iris_credential_token,
-                                        iris_password,
-                                        g_product_key,
-                                        g_device_name,
-                                        g_device_secret,
-                                        g_app_id)) {
+            if (0 == authIrisKit(iris_credential_token,
+                                 iris_password,
+                                 g_product_key,
+                                 g_device_name,
+                                 g_device_secret,
+                                 g_app_id)) {
                 break;
             }
         }