diff --git a/mobile/shop/nicepay/nicepay_result.php b/mobile/shop/nicepay/nicepay_result.php
index d58db5148..0c8162b08 100644
--- a/mobile/shop/nicepay/nicepay_result.php
+++ b/mobile/shop/nicepay/nicepay_result.php
@@ -166,6 +166,14 @@ if($authResultCode === "0000"){
 	        $responseSignData = bin2hex(hash('sha256', $tno . $mid . $response_amt . $merchantKey, true));
 
 	        if ($responseSignature != $responseSignData) {
+	            if($amount > 0 && $tno) {
+	                $od_id = $moid;
+	                $cancel_msg = '승인 응답 유효성 검증 실패';
+	                $cancelAmt = $amount;
+	                $partialCancelCode = 0;
+	                include G5_SHOP_PATH.'/nicepay/cancel_process.php';
+	            }
+
 	            alert("승인 응답 유효성 검증이 틀려서 결제를 진행할수 없습니다.", G5_SHOP_URL);
 	        }
 
diff --git a/shop/nicepay/cancel_process.php b/shop/nicepay/cancel_process.php
index 8e35c8606..791778f93 100644
--- a/shop/nicepay/cancel_process.php
+++ b/shop/nicepay/cancel_process.php
@@ -51,7 +51,20 @@ try{
 	* <Cancel Request>
 	****************************************************************************************
 	*/
-	$cancelUrl = (isset($od['od_settle_case']) && $od['od_settle_case'] === '가상계좌')
+	$isNicepayVbankCancel = false;
+	if (isset($od['od_settle_case']) && $od['od_settle_case'] === '가상계좌') {
+		$isNicepayVbankCancel = true;
+	} else if (isset($od_settle_case) && $od_settle_case === '가상계좌') {
+		$isNicepayVbankCancel = true;
+	} else if (isset($pp_settle_case) && $pp_settle_case === '가상계좌') {
+		$isNicepayVbankCancel = true;
+	} else if (isset($nicepay_settle_case) && $nicepay_settle_case === '가상계좌') {
+		$isNicepayVbankCancel = true;
+	} else if (isset($pay_method) && $pay_method === 'VBANK') {
+		$isNicepayVbankCancel = true;
+	}
+
+	$cancelUrl = $isNicepayVbankCancel
 		? "https://webapi.nicepay.co.kr/webapi/cancel_process.jsp"
 		: "https://pg-api.nicepay.co.kr/webapi/cancel_process.jsp";
 	$response = nicepay_reqPost($data, $cancelUrl); //Cancel API call
diff --git a/shop/nicepay/nicepay_result.php b/shop/nicepay/nicepay_result.php
index 3f7536cb4..23b1394d9 100644
--- a/shop/nicepay/nicepay_result.php
+++ b/shop/nicepay/nicepay_result.php
@@ -166,6 +166,14 @@ if($authResultCode === "0000"){
         $responseSignData = bin2hex(hash('sha256', $tno . $mid . $response_amt . $merchantKey, true));
 
         if ($responseSignature != $responseSignData) {
+            if($amount > 0 && $tno) {
+                $od_id = $moid;
+                $cancel_msg = '승인 응답 유효성 검증 실패';
+                $cancelAmt = $amount;
+                $partialCancelCode = 0;
+                include G5_SHOP_PATH.'/nicepay/cancel_process.php';
+            }
+
             alert("승인 응답 유효성 검증이 틀려서 결제를 진행할수 없습니다.", G5_SHOP_URL);
         }
 
diff --git a/shop/settle_nicepay_common.php b/shop/settle_nicepay_common.php
index 82036f16d..80956153c 100644
--- a/shop/settle_nicepay_common.php
+++ b/shop/settle_nicepay_common.php
@@ -53,7 +53,7 @@ if (in_array($_SERVER['REMOTE_ADDR'], $pg_allow_ips)) {
 
         $result = false;
         $is_personalpay_order = (isset($row['pp_id']) && $row['pp_id']);
-        $receipt_time = preg_replace("/([0-9]{2})([0-9]{2})([0-9]{2})([0-9]{2})([0-9]{2})([0-9]{2})/", "\\1-\\2-\\3 \\4:\\5:\\6", $AuthDate);
+        $receipt_time = preg_replace("/([0-9]{2})([0-9]{2})([0-9]{2})([0-9]{2})([0-9]{2})([0-9]{2})/", "20\\1-\\2-\\3 \\4:\\5:\\6", $AuthDate);
 
         if($is_personalpay_order) {
             if((int)$row['pp_price'] === $Amt) {