diff --git a/weevent-broker/src/main/java/com/webank/weevent/broker/protocol/mqtt/ProtocolProcess.java b/weevent-broker/src/main/java/com/webank/weevent/broker/protocol/mqtt/ProtocolProcess.java
index d35225e84..f64188d5c 100644
--- a/weevent-broker/src/main/java/com/webank/weevent/broker/protocol/mqtt/ProtocolProcess.java
+++ b/weevent-broker/src/main/java/com/webank/weevent/broker/protocol/mqtt/ProtocolProcess.java
@@ -221,8 +221,8 @@ public Optional<MqttMessage> process(MqttMessage req, String sessionId, String r
                 }
             }
             if (!isAuth) {
-                log.error("userName:{},topicName:{}, not publish permission", userName, topicName);
-                throw new BrokerException(ErrorCode.MQTT_NOT_PERMISSION);
+                log.error("userName:{},topicName:{}, no publish permission", userName, topicName);
+                throw new BrokerException(ErrorCode.MQTT_NO_PUB_PERMISSION);
             }
         }
 
@@ -236,12 +236,12 @@ public Optional<MqttMessage> process(MqttMessage req, String sessionId, String r
                 if (null != entity && (entity.getPermission() == SUB_PUB || entity.getPermission() == PUB)) {
                     continue;
                 }
-                log.error("userName:{},topicName:{}, not subscribe permission", userName, topicName);
+                log.error("userName:{},topicName:{}, no subscribe permission", userName, topicName);
                 isAuth = false;
                 break;
             }
             if (!isAuth) {
-                throw new BrokerException(ErrorCode.MQTT_NOT_PERMISSION);
+                throw new BrokerException(ErrorCode.MQTT_NO_SUB_PERMISSION);
             }
         }
 
diff --git a/weevent-broker/src/main/resources/script/broker_h2.sql b/weevent-broker/src/main/resources/script/broker_h2.sql
index a0f4a823b..dcfd91cd9 100644
--- a/weevent-broker/src/main/resources/script/broker_h2.sql
+++ b/weevent-broker/src/main/resources/script/broker_h2.sql
@@ -20,7 +20,7 @@ create TABLE t_account_topic_auth(
 	create_date TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
 	last_update TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
 	PRIMARY KEY (id)
-)
+);
 
 alter table t_account add CONSTRAINT userName UNIQUE (user_name);
 alter table t_account_topic_auth add CONSTRAINT userNameTopicName UNIQUE (user_name, topic_name);
\ No newline at end of file
diff --git a/weevent-broker/src/main/resources/weevent.properties b/weevent-broker/src/main/resources/weevent.properties
index 0384c6dad..8549f850c 100644
--- a/weevent-broker/src/main/resources/weevent.properties
+++ b/weevent-broker/src/main/resources/weevent.properties
@@ -7,7 +7,7 @@ block.chain.type=fisco
 #stomp heartbeats
 stomp.heartbeats=30
 #mqtt broker
-mqtt.broker.tcp.port=7001
+#mqtt.broker.tcp.port=7001
 mqtt.broker.keepalive=60
 mqtt.broker.security.ssl=false
 mqtt.broker.security.ssl.client_auth=false
diff --git a/weevent-client/src/main/java/com/webank/weevent/client/ErrorCode.java b/weevent-client/src/main/java/com/webank/weevent/client/ErrorCode.java
index c965ddc33..70525b757 100644
--- a/weevent-client/src/main/java/com/webank/weevent/client/ErrorCode.java
+++ b/weevent-client/src/main/java/com/webank/weevent/client/ErrorCode.java
@@ -152,8 +152,9 @@ public enum ErrorCode {
     MQTT_CONNECT_CONFLICT(200610, "connect command conflict with specification 3.1.1"),
     MQTT_UNKNOWN_CLIENT_ID(200611, "unknown client id"),
     MQTT_NOT_SUPPORT_QOS2(200612, "do not support qos=2"),
-    MQTT_NOT_PERMISSION(200613, "not permission"),
-    MQTT_SSL_ERROR(200614, "mqtt get ssl context error"),
+    MQTT_NO_SUB_PERMISSION(200613, "no suscribe permission"),
+    MQTT_NO_PUB_PERMISSION(200614, "no publish permission"),
+    MQTT_SSL_ERROR(200615, "mqtt get ssl context error"),
 
 
     FTP_INVALID_USERNAME_PASSWD(200700, "invalid username or password"),