diff --git a/src/web/php/lib/connect_db.php b/src/web/php/lib/connect_db.php
index 4cf2848..f49052a 100644
--- a/src/web/php/lib/connect_db.php
+++ b/src/web/php/lib/connect_db.php
@@ -9,11 +9,11 @@ if ($has_file) {
 class DBConnector
 {
 	private $mysqli, $stmt, $query, $paramTypeList, $paramValueArray;
-	private $db_host, $db_user, $db_passwd, $db_name;
+	private $db_host, $db_user, $db_passwd, $db_name, $db_port;
 
 	function __construct()
 	{
-		global $db_host, $db_user, $db_passwd, $db_name;
+		global $db_host, $db_user, $db_passwd, $db_name, $db_port;
 
 		$this->stmt = null;
 		$this->paramTypeList = "";
@@ -24,11 +24,13 @@ class DBConnector
 			$this->db_user = $db_user;
 			$this->db_passwd = $db_passwd;
 			$this->db_name = $db_name;
+			$this->db_port = isset($db_port) ? $db_port : 3306;
 		} else {
 			$this->db_host = "localhost";
 			$this->db_user = "chocomae";
 			$this->db_passwd = "sEobMPuJ2A8KTfwU";
 			$this->db_name = "chocomae";
+			$this->db_port = 3306;
 		}
 	}
 
@@ -39,7 +41,7 @@ class DBConnector
 	public function connectDB()
 	{
 		// connect db
-		$this->mysqli = new mysqli($this->db_host, $this->db_user, $this->db_passwd, $this->db_name);
+		$this->mysqli = new mysqli($this->db_host, $this->db_user, $this->db_passwd, $this->db_name, $this->db_port);
 		// if ($this->mysqli->connect_error) {
 		if (mysqli_connect_errno()) {
 			return false;
diff --git a/src/web/server/setup/NA_service_db_setting.php b/src/web/server/setup/NA_service_db_setting.php
index 21689f3..0cd0052 100644
--- a/src/web/server/setup/NA_service_db_setting.php
+++ b/src/web/server/setup/NA_service_db_setting.php
@@ -4,5 +4,6 @@ $db_host = "localhost";
 $db_user = "chocomae";
 $db_passwd = "sEobMPuJ2A8KTfwU";
 $db_name = "chocomae";
+$db_port = 3306;
 
 ?>
\ No newline at end of file
diff --git a/src/web/server/setup/connect_db.php b/src/web/server/setup/connect_db.php
index e7763e7..b2ca25d 100644
--- a/src/web/server/setup/connect_db.php
+++ b/src/web/server/setup/connect_db.php
@@ -10,10 +10,11 @@ if($hasServiceDBSetting == true) {
 	$db_passwd = "Fr12nds95";
 	$db_name = "jisangs";
 }
+if (!isset($db_port)) $db_port = 3306;
 
 
 // connect db
-$db_conn = new mysqli($db_host, $db_user, $db_passwd, $db_name);
+$db_conn = new mysqli($db_host, $db_user, $db_passwd, $db_name, $db_port);
 if ($db_conn->connect_error) {
     set_error_message("DB connection failed.");
     send_result_fail();