diff --git a/packaging/cfg/taos.cfg b/packaging/cfg/taos.cfg
index 5d33da5acc8d67092452d88844f5f2ce1cd26ceb..93a6936da3639a25e54794616066869cbd318fb9 100644
--- a/packaging/cfg/taos.cfg
+++ b/packaging/cfg/taos.cfg
@@ -14,12 +14,9 @@
 # local fully qualified domain name (FQDN)
 # fqdn                  hostname
 
-# first port number for the connection (10 continuous UDP/TCP port number are used) 
+# first port number for the connection (12 continuous UDP/TCP port number are used) 
 # serverPort            6030
 
-# http service port, default tcp [6041] 
-# httpPort              6041
-
 # log file's directory
 # logDir                /var/log/taos
 
diff --git a/src/connector/jdbc/src/main/java/com/taosdata/jdbc/TSDBStatement.java b/src/connector/jdbc/src/main/java/com/taosdata/jdbc/TSDBStatement.java
index 777eef53d180db5905ca13b1a9a393a05c1dd83b..e82886431332d602b68646865fb1fd18f3fa5dbd 100644
--- a/src/connector/jdbc/src/main/java/com/taosdata/jdbc/TSDBStatement.java
+++ b/src/connector/jdbc/src/main/java/com/taosdata/jdbc/TSDBStatement.java
@@ -158,7 +158,7 @@ public class TSDBStatement implements Statement {
             throw new SQLException(TSDBConstants.FixErrMsg(TSDBConstants.JNI_CONNECTION_NULL));
         } else if (resultSetPointer == TSDBConstants.JNI_NULL_POINTER) {
             // no result set is retrieved
-			this.connecter.freeResultSet(pSql);
+            this.connecter.freeResultSet(pSql);
             res = false;
         }