diff --git a/components/connectivity/Eclipse-Paho-MQTT/wrapper/include/mqtt_wrapper.h b/components/connectivity/Eclipse-Paho-MQTT/wrapper/include/mqtt_wrapper.h
index 14cce0ed..90c64902 100644
--- a/components/connectivity/Eclipse-Paho-MQTT/wrapper/include/mqtt_wrapper.h
+++ b/components/connectivity/Eclipse-Paho-MQTT/wrapper/include/mqtt_wrapper.h
@@ -1,5 +1,5 @@
 #ifndef _MQTT_WRAPPER_H_
-#define  _MQTT_WRAPPER_H_
+#define _MQTT_WRAPPER_H_
 
 #include <stdio.h>
 #include <string.h>
@@ -11,8 +11,8 @@
  * @brief connection option
  */
 typedef struct mqtt_connect_option_st {
-	unsigned short      keep_alive_interval;    /**< keep alive */
-	unsigned char       cleansession;           /**< clean session flag */
+    unsigned short      keep_alive_interval;    /**< keep alive */
+    unsigned char       cleansession;           /**< clean session flag */
     char               *client_id;              /**< client id */
     char               *username;               /**< username */
     char               *password;               /**< password */
@@ -27,7 +27,7 @@ typedef struct mqtt_publish_option_st {
     unsigned char       dup;            /**< DUP flag */
     unsigned short      id;             /**< message id */
 
-    char               *topic;         /**< mqtt topic */
+    char               *topic;          /**< mqtt topic */
 
     unsigned char      *payload;        /**< mqtt payload */
     int                 payload_len;    /**< mqtt payload length */
@@ -41,7 +41,7 @@ typedef struct mqtt_subscribe_option_st {
     int                 count;      /**< number of members in the topicFilters and reqQos arrays */
     unsigned char       dup;        /**< DUP flag */
     unsigned short      id;         /**< message id */
-    char               *topic;     /**< mqtt topic */
+    char               *topic;      /**< mqtt topic */
 } mqtt_sub_opt_t;
 
 /**
@@ -49,7 +49,7 @@ typedef struct mqtt_subscribe_option_st {
  *
  * @param[in]   host    mqtt server(domain name and ip address both are fine).
  * @param[in]   port    mqtt port.
- * @param[in]   param   mqtt connect parameter.
+ * @param[in]   opt     mqtt connect parameter.
  *
  * @return  socket id or error if -1.
  */
@@ -59,7 +59,7 @@ int tos_mqtt_connect(char *host, const char *port, mqtt_con_opt_t *opt);
  * @brief Publish a message.
  *
  * @param[in]   sock    socket id returned by a tos_mqtt_connect.
- * @param[in]   param   mqtt publish parameter.
+ * @param[in]   opt     mqtt publish parameter.
  *
  * @return  successful if 0, or error if -1.
  */
@@ -69,7 +69,7 @@ int tos_mqtt_publish(int sock, mqtt_pub_opt_t *opt);
  * @brief Subscribe a topic.
  *
  * @param[in]   sock    socket id returned by a tos_mqtt_connect.
- * @param[in]   param   mqtt subscribe parameter.
+ * @param[in]   opt     mqtt subscribe parameter.
  *
  * @return  successful if 0, or error if -1.
  */