diff --git a/src/web/js/lib/maestro_info.js b/src/web/js/lib/maestro_info.js
index 11ec986..e4d18d8 100644
--- a/src/web/js/lib/maestro_info.js
+++ b/src/web/js/lib/maestro_info.js
@@ -31,6 +31,7 @@ class MaestroInfo {
 
 	getMaxPlayerCount() {
 		switch(this.accountType) {
+			case 0:
 			case 1:
 			return 20;
 			case 2:
diff --git a/src/web/module/maestro_setup.html b/src/web/module/maestro_setup.html
index 91aff0b..4cf272f 100644
--- a/src/web/module/maestro_setup.html
+++ b/src/web/module/maestro_setup.html
@@ -5,7 +5,7 @@ let isAvailableIDName = false;
 let registeredMaestroIDName = "";
 let registeredEmail = "";
 let registeredPassword = "";
-
+let registeredAccountType = -1;
 
 let newMaestroIDName = "";
 let newEmail = "";
@@ -34,6 +34,8 @@ function loadMaestroInfo(maestroID) {
 
 			registeredEmail = jsonData.email;
 			$("#email").val(registeredEmail);
+
+			registeredAccountType = jsonData.accountType;
 		},
 
 		(errorMessage, errorCode) => {
@@ -85,6 +87,11 @@ function checkMaestroIDName() {
 }
 
 function changeMaestroInfo() {
+	if(registeredAccountType === 0) {
+		showErrorMessage("체험 계정은 정보 수정이 불가능합니다.", "error");
+		return;
+	}
+
 	newMaestroIDName = $("#maestro_id").val();
 	if(newMaestroIDName.length === 0) {
 		showErrorMessage("변경할 아이디를 입력해 주세요.", "error");
@@ -130,6 +137,14 @@ function changeMaestroInfo() {
 }
 
 function checkPassword() {
+	if(registeredAccountType === 0) {
+		showErrorMessage("체험 계정은 암호 수정이 불가능합니다.", "error");
+		$('html, body').animate({
+			scrollTop: $("#message_box").offset().top + 'px'
+		}, 'fast');
+		return;
+	}
+
 	registeredPassword = $("#prev_password").val();
 	if(registeredPassword.length === 0) {
 		showErrorMessage("현재 암호를 입력해 주세요.", "error");
diff --git a/src/web/module/maestro_upgrade.html b/src/web/module/maestro_upgrade.html
index 2aab23e..0ed9c21 100644
--- a/src/web/module/maestro_upgrade.html
+++ b/src/web/module/maestro_upgrade.html
@@ -28,6 +28,23 @@ function loadMaestroInfo(maestroID) {
 function updateCards(accountType) {
 	console.log(accountType);
 	switch(accountType) {
+		case 0:
+		$("#account_type_1").addClass("border-warning");
+		$("#account_type_1_btn").addClass("btn-secondary disabled");
+		$("#account_type_1_footer").addClass("text-danger");
+		$("#account_type_1_footer").text("체험 계정은 업그레이드가 불가능합니다.");
+
+		$("#account_type_2").addClass("border-warning");
+		$("#account_type_2_btn").addClass("btn-secondary disabled");
+		$("#account_type_2_footer").addClass("text-danger");
+		$("#account_type_2_footer").text("체험 계정은 업그레이드가 불가능합니다.");
+
+		$("#account_type_3").addClass("border-warning");
+		$("#account_type_3_btn").addClass("btn-secondary disabled");
+		$("#account_type_3_footer").addClass("text-danger");
+		$("#account_type_3_footer").text("체험 계정은 업그레이드가 불가능합니다.");
+		break;
+
 		case 1:
 		$("#account_type_1").addClass("border-warning");
 		$("#account_type_1_btn").addClass("btn-secondary disabled");
diff --git a/src/web/server/maestro/maestro_experience_account.php b/src/web/server/maestro/maestro_experience_account.php
index abc3ba7..2ac9a4a 100644
--- a/src/web/server/maestro/maestro_experience_account.php
+++ b/src/web/server/maestro/maestro_experience_account.php
@@ -5,7 +5,7 @@ include "./../lib/send_reply_json.php";
 include "./../setup/connect_db.php";
 
 
-$maestro_experience_id = get_maestro_experience_id("test");
+$maestro_experience_id = get_maestro_experience_id();
 if($maestro_experience_id === null) {
 	set_error_message("등록된 마에스트로 관리자 계정이 없습니다.");
 	send_result_fail();
@@ -33,16 +33,16 @@ send_result_success();
 exit;
 
 
-function get_maestro_experience_id($maestro_name) {
+function get_maestro_experience_id() {
 	global $db_conn;
 
 	$query = "
 		SELECT MaestroID
 		FROM moty_maestro
-		WHERE Name = ?
+		WHERE AccountType = 0
 	";
 	$stmt = $db_conn->prepare($query);
-	$stmt->bind_param("s", $maestro_name);
+	// $stmt->bind_param("s", $maestro_name);
 	$stmt->execute();
 	$stmt->bind_result($maestro_experience_id);
 	// while($stmt->fetch()) {