diff --git a/components/connectivity/mqttclient/README.md b/components/connectivity/mqttclient/README.md
index c98af004..d97c3a60 100644
--- a/components/connectivity/mqttclient/README.md
+++ b/components/connectivity/mqttclient/README.md
@@ -4,7 +4,7 @@
 ## 整体框架
 ![整体框架](./png/mqttclient.png)
 
-> 备注：目前只支持linux及encentOS tiny系统
+> 备注：目前只支持linux及TencentOS tiny系统
 
 ## linux平台下测试使用
 ### 安装cmake：
@@ -311,7 +311,7 @@ mqtt_ack_list_unrecord(c, UNSUBACK, packet_id, &msg_handler)
 ```
 3. 销毁对应的订阅消息处理函数
 ```c
-mqtt_msg_handler_destory(msg_handler);
+mqtt_msg_handler_destroy(msg_handler);
 ```
 ## 来自服务器的`发布`报文的处理
 ```c
diff --git a/components/connectivity/mqttclient/mqttclient/mqttclient.c b/components/connectivity/mqttclient/mqttclient/mqttclient.c
index 0d71a275..16d8a550 100644
--- a/components/connectivity/mqttclient/mqttclient/mqttclient.c
+++ b/components/connectivity/mqttclient/mqttclient/mqttclient.c
@@ -401,7 +401,7 @@ static message_handlers_t *mqtt_msg_handler_create(const char* topic_filter, mqt
     return msg_handler;
 }
 
-static void mqtt_msg_handler_destory(message_handlers_t *msg_handler)
+static void mqtt_msg_handler_destroy(message_handlers_t *msg_handler)
 {
     if (NULL != &msg_handler->list) {
         list_del(&msg_handler->list);
@@ -435,7 +435,7 @@ static int mqtt_msg_handler_is_exist(mqtt_client_t* c, message_handlers_t *handl
 static int mqtt_msg_handlers_install(mqtt_client_t* c, message_handlers_t *handler)
 {
     if (mqtt_msg_handler_is_exist(c, handler)) {
-        mqtt_msg_handler_destory(handler);
+        mqtt_msg_handler_destroy(handler);
         RETURN_ERROR(MQTT_SUCCESS_ERROR);
     }
 
@@ -620,7 +620,7 @@ static int mqtt_suback_packet_handle(mqtt_client_t *c, platform_timer_t *timer)
         RETURN_ERROR(MQTT_MEM_NOT_ENOUGH_ERROR);
     
     if (is_nack) {
-        mqtt_msg_handler_destory(msg_handler);
+        mqtt_msg_handler_destroy(msg_handler);
         RETURN_ERROR(MQTT_SUBSCRIBE_NOT_ACK_ERROR);
     }
     
@@ -643,7 +643,7 @@ static int mqtt_unsuback_packet_handle(mqtt_client_t *c, platform_timer_t *timer
     if (!msg_handler)
         RETURN_ERROR(MQTT_MEM_NOT_ENOUGH_ERROR);
     
-    mqtt_msg_handler_destory(msg_handler);
+    mqtt_msg_handler_destroy(msg_handler);
 
     RETURN_ERROR(rc);
 }