diff --git a/src/web/module/maestro_upgrade.html b/src/web/module/maestro_upgrade.html
index 9ede9c3..a13baa5 100644
--- a/src/web/module/maestro_upgrade.html
+++ b/src/web/module/maestro_upgrade.html
@@ -1,7 +1,6 @@
 <script>
 
 let registeredAccountType = -1;
-let newAccountType = -1;
 
 
 $(document).ready(function() {
@@ -14,7 +13,7 @@ function loadMaestroInfo(maestroID) {
 		"maestro_id=" + maestroID,
 
 		(jsonData) => {
-			console.log(jsonData);
+			// console.log(jsonData);
 			registeredAccountType = jsonData.accountType;
 			updateCards(registeredAccountType);
 		},
@@ -47,12 +46,12 @@ function updateCards(accountType) {
 		break;
 
 		case 2:
-		$("#account_type_1").addClass("border-warning");
+		// $("#account_type_1").addClass("border-warning");
 		$("#account_type_1_btn").addClass("btn-secondary disabled");
 		$("#account_type_1_footer").addClass("text-muted");
 		$("#account_type_1_footer").text("낮은 요금제로 내릴 수는 없습니다.");
 
-		$("#account_type_2").addClass("border-primary");
+		$("#account_type_2").addClass("border-warning");
 		$("#account_type_2_btn").addClass("btn-secondary disabled");
 		$("#account_type_2_footer").addClass("text-warning");
 		$("#account_type_2_footer").text("현재 적용된 요금제입니다.");
@@ -64,17 +63,17 @@ function updateCards(accountType) {
 		break;
 
 		case 3:
-		$("#account_type_1").addClass("border-warning");
+		// $("#account_type_1").addClass("border-warning");
 		$("#account_type_1_btn").addClass("btn-secondary disabled");
 		$("#account_type_1_footer").addClass("text-muted");
 		$("#account_type_1_footer").text("낮은 요금제로 내릴 수는 없습니다.");
 
-		$("#account_type_2").addClass("border-primary");
+		// $("#account_type_2").addClass("border-primary");
 		$("#account_type_2_btn").addClass("btn-secondary disabled");
 		$("#account_type_2_footer").addClass("text-muted");
 		$("#account_type_2_footer").text("낮은 요금제로 내릴 수는 없습니다.");
 
-		$("#account_type_3").addClass("border-primary");
+		$("#account_type_3").addClass("border-warning");
 		$("#account_type_3_btn").addClass("btn-secondary disabled");
 		$("#account_type_3_footer").addClass("text-warning");
 		$("#account_type_3_footer").text("현재 적용된 요금제입니다.");
@@ -84,8 +83,26 @@ function updateCards(accountType) {
 	}
 }
 
-function changeMaestroInfo() {
-	location.href="main_menu.html";
+function upgradeMaestroInfo(accountType) {
+	console.log("upgrade to " + accountType);
+	let newAccountType = accountType;
+
+	sendRequestServer(	//url, sendParams, onSuccess, onFail, isDebugMode);
+		"./../server/maestro/upgrade_maestro.php",
+		"maestro_id=" + maestroID + "&registered_account_type=" + registeredAccountType + "&new_account_type=" + newAccountType,
+
+		(jsonData) => {
+			// console.log(jsonData);
+			alert("업그레이드 요청이 등록되었습니다.");
+			location.href="main_menu.html";
+		},
+
+		(errorMessage, errorCode) => {
+			showErrorMessage(errorMessage, "error");
+		}
+
+	);
+
 }
 
 </script>
@@ -112,7 +129,7 @@ function changeMaestroInfo() {
 							<li>모든 요금제의 기능은 동일합니다.</li>
 							<li>1년동안 유효합니다.</li>
 						</ul>
-						<a id="account_type_1_btn" class="btn" href="#">업그레이드</a>
+						<a id="account_type_1_btn" class="btn" href="javascript:void(0);">업그레이드</a>
 					</div>
 					<div class="card-footer">
 						<small id="account_type_1_footer" class="">낮은 요금제로 내릴 수는 없습니다.</small>
@@ -127,7 +144,7 @@ function changeMaestroInfo() {
 							<li>모든 요금제의 기능은 동일합니다.</li>
 							<li>1년동안 유효합니다.</li>
 						</ul>
-						<a id="account_type_2_btn" class="btn" href="#">업그레이드</a>
+						<a id="account_type_2_btn" class="btn" href="javascript:void(0);" onclick="upgradeMaestroInfo(2);">업그레이드</a>
 					</div>
 					<div class="card-footer">
 						<small id="account_type_2_footer" class="">현재 적용된 요금제입니다.</small>
@@ -142,7 +159,7 @@ function changeMaestroInfo() {
 							<li>모든 요금제의 기능은 동일합니다.</li>
 							<li>1년동안 유효합니다.</li>
 						</ul>
-						<a id="account_type_3_btn" class="btn" href="#">업그레이드</a>
+						<a id="account_type_3_btn" class="btn" href="javascript:void(0);" onclick="upgradeMaestroInfo(3);">업그레이드</a>
 					</div>
 					<div class="card-footer">
 						<small id="account_type_3_footer" class="">이 요금제로 업그레이드가 가능합니다.</small>
diff --git a/src/web/server/maestro/upgrade_maestro.php b/src/web/server/maestro/upgrade_maestro.php
new file mode 100644
index 0000000..3596af7
--- /dev/null
+++ b/src/web/server/maestro/upgrade_maestro.php
@@ -0,0 +1,64 @@
+<?php
+header("Content-Type: application/json");
+
+include "./../lib/send_reply_json.php";
+include "./../setup/connect_db.php";
+
+$maestroID = $_POST["maestro_id"];
+$registeredAcountType = $_POST["registered_account_type"];
+$newAccountType = $_POST["new_account_type"];
+
+
+// $maestroID = has_maestro_name($maestro_name);
+// if($maestroID !== null) {
+// 	set_error_message($maestro_name." : 이미 등록된 마에스트로 계정입니다.");
+// 	send_result_fail();
+// 	exit;
+// }
+
+add_maestro_update($maestroID, $registeredAcountType, $newAccountType);
+
+$countUpgrade = count_maestro_upgrade($maestroID);
+if($countUpgrade === null || $countUpgrade < 1) {
+	set_error_message($maestro_name." : 알 수 없는 이유로 마에스트로 계정 업그레이드 요청이 취소되었습니다.");
+	send_result_fail();
+	exit;
+}
+
+send_result_success();
+exit;
+
+
+
+function count_maestro_upgrade($maestroID) {
+	global $db_conn;
+
+	$query = "
+		SELECT COUNT(MaestroID)
+		FROM moty_maestro_upgrade
+		WHERE MaestroID = ?
+	";
+	$stmt = $db_conn->prepare($query);
+	$stmt->bind_param("i", $maestroID);
+	$stmt->execute();
+	$stmt->bind_result($countUpgrade);
+	// while($stmt->fetch())
+	$stmt->fetch();
+	$stmt->close();
+
+	return $countUpgrade;
+}
+
+function add_maestro_update($maestroID, $registeredAcountType, $newAccountType) {
+	global $db_conn;
+
+	$query = "
+		INSERT INTO moty_maestro_upgrade (RegisteredAccountType, RequestedAccountType, RequestedDateTime, Status, MaestroID)
+		VALUES (?, ?, NOW(), 1, ?);
+	";
+	$stmt = $db_conn->prepare($query);
+	$stmt->bind_param("iii", $registeredAcountType, $newAccountType, $maestroID);
+	$stmt->execute();
+}
+
+?>
\ No newline at end of file
diff --git a/src/web/sql/make_db.sql b/src/web/sql/make_db.sql
index 1cb740d..294d68e 100644
--- a/src/web/sql/make_db.sql
+++ b/src/web/sql/make_db.sql
@@ -20,6 +20,17 @@ CREATE TABLE moty_maestro (
 	MaestroTestID INT UNSIGNED
 );
 
+CREATE TABLE moty_maestro_upgrade (
+	MaestroUpgradeID INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
+	RegisteredAccountType INT UNSIGNED NOT NULL,
+	RequestedAccountType INT UNSIGNED NOT NULL,
+	RequestedDateTime DATETIME NOT NULL,
+	Status INT UNSIGNED NOT NULL,
+	MaestroID INT UNSIGNED NOT NULL,
+
+	FOREIGN KEY (MaestroID) REFERENCES moty_maestro(MaestroID)
+);
+
 CREATE TABLE moty_player (
 	PlayerID INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
 	MaestroID INT UNSIGNED NOT NULL,