diff --git a/src/game/lib/db_connect_manager.js b/src/game/lib/db_connect_manager.js
index 4e68cda..86cf52d 100644
--- a/src/game/lib/db_connect_manager.js
+++ b/src/game/lib/db_connect_manager.js
@@ -79,6 +79,23 @@ DBConnectManager.prototype.requestPlayerEnterCode = function(maestroID, playerID
 	xhr.send("maestro_id=" + maestroID + "&player_id=" + playerID);
 }
 
+DBConnectManager.prototype.requestEditPlayerEnterCode = function(maestroID, playerID, enterCode, onSucceededListener, onFailedListener) {
+	var xhr = new XMLHttpRequest();
+	xhr.open("POST", this.phpPath + "server/player/edit_entercode.php", true);
+	xhr.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
+	xhr.onreadystatechange = function() {
+		if(xhr.readyState == 4 && xhr.status == 200) {
+			var replyJSON = JSON.parse(xhr.responseText);
+
+			if(replyJSON != null && replyJSON["result"] == "success")
+				onSucceededListener(replyJSON);
+			else
+				onFailedListener(replyJSON);
+		}
+	};
+	xhr.send("maestro_id=" + maestroID + "&player_id=" + playerID + "&enter_code=" + enterCode);
+}
+
 /*
 DBConnectManager.prototype.requestAppList = function(maestroID, onSucceededListener, onFailedListener) {
 	var xhr = new XMLHttpRequest();
diff --git a/src/game/setup/setup.js b/src/game/setup/setup.js
index 891267f..6e27ca9 100644
--- a/src/game/setup/setup.js
+++ b/src/game/setup/setup.js
@@ -154,13 +154,27 @@ var Setup = {
 		}
 
 		var accountValidator = new AccountValidator();
-		if(accountValidator.isValidPlayerPW(newEnterCode)) {
-			this.showInfoText("입장번호를 바꾸겠습니다.");
-		} else {
+		if(!accountValidator.isValidPlayerPW(newEnterCode)) {
 			var errorMessage = accountValidator.messageForInvalidPlayerPW(newEnterCode);
 			this.showInfoText(errorMessage);
 		}
 
+		this.showInfoText("입장번호를 바꾸겠습니다.");
+		var dbConnectManager = new DBConnectManager();
+		dbConnectManager.requestEditPlayerEnterCode(
+			sessionStorageManager.getMaestroID(),
+			sessionStorageManager.getPlayerID(),
+			newEnterCode,
+			(function(jsonData) {
+				// this.loginSucceeded(jsonData);
+				this.showInfoText("새로 입력하신 [ " + jsonData["EnterCode"] + " ]로 입장번호가 변경되었습니다.")
+				this.loadPrevEnterCode();
+			}).bind(this),
+			(function(jsonData) {
+				// this.loginFailed(jsonData);
+				this.showInfoText("입장번호 변경에 실패하였습니다.")
+			}).bind(this)
+		);
 		/*
 		var maestroName = this.inputTextMaestroName.canvasInput._value;
 		sessionStorageManager.setPlayerName(this.inputTextName.canvasInput._value);
@@ -204,7 +218,6 @@ var Setup = {
 			sessionStorageManager.getPlayerID(),
 			(function(jsonData) {
 				this.prevEnterCode = jsonData['EnterCode'];
-				console.log(this.prevEnterCode);
 				this.prevEnterCodeText.text = this.prevEnterCode;
 			}).bind(this),
 			(function(jsonData) {
@@ -214,6 +227,7 @@ var Setup = {
 		);
 	},
 
+	/*
 	loginSucceeded: function(jsonData) {
 		sessionStorageManager.setMaestroID(jsonData['MaestroID']);
 		sessionStorageManager.setMaestroAccountType(jsonData['MaestroAccountType']);
@@ -238,5 +252,6 @@ var Setup = {
 			this.infoText.text = jsonData["error"];
 		}
 	}
+	*/
 
 }
\ No newline at end of file
diff --git a/src/web/server/player/edit_entercode.php b/src/web/server/player/edit_entercode.php
new file mode 100644
index 0000000..1273e69
--- /dev/null
+++ b/src/web/server/player/edit_entercode.php
@@ -0,0 +1,37 @@
+<?php
+header("Content-Type: application/json");
+
+include "./../lib/send_reply_json.php";
+include "./../setup/connect_db.php";
+
+$maestroID = $_POST["maestro_id"];
+$playerID = $_POST["player_id"];
+$enterCode = $_POST["enter_code"];
+/*
+if(!is_numeric($enterCode)) {
+    send_error_code("생년월일이 숫자가 아닙니다. : ".$enterCode);
+    exit;
+} else if(strlen($enterCode) != 6) {
+    send_error_code("6자리 숫자값을 정확히 입력하세요 : YYMMDD (예 : 120131) : ".$enterCode);
+    exit;
+}
+*/
+
+
+editPlayer($maestroID, $playerID, $enterCode);
+
+set_data("EnterCode", $enterCode);
+send_result_success();
+exit;
+
+
+function editPlayer($maestroID, $playerID, $enterCode) {
+	global $db_conn;
+
+	$query = "UPDATE player SET EnterCode=? WHERE MaestroID=? AND PlayerID=?";
+	$stmt = $db_conn->prepare($query);
+	$stmt->bind_param("sii", $enterCode, $maestroID, $playerID);
+	$stmt->execute();
+}
+
+?>
\ No newline at end of file