diff --git a/adm/shop_admin/configform.php b/adm/shop_admin/configform.php
index 3c9d34505..7a5c3c691 100644
--- a/adm/shop_admin/configform.php
+++ b/adm/shop_admin/configform.php
@@ -691,7 +691,7 @@ if(!isset($default['de_kakaopay_mid'])) {
         </tr>
         <tr>
             <th scope="row">
-                <label for="de_kakaopay_mid">카카오페이 상점 MID</label>
+                <label for="de_kakaopay_mid">카카오페이 상점MID</label>
                 <a href="http://sir.co.kr/main/service/kakaopay.php" target="_blank" id="scf_lgreg" class="scf_pgreg">카카오페이 서비스신청하기</a>
             </th>
             <td>
@@ -700,7 +700,7 @@ if(!isset($default['de_kakaopay_mid'])) {
             </td>
         </tr>
         <tr>
-            <th scope="row"><label for="de_kakaopay_key">카카오페이 상점 서명키</label></th>
+            <th scope="row"><label for="de_kakaopay_key">카카오페이 상점키</label></th>
             <td>
                 <?php echo help("카카오페이로 부터 발급 받으신 상점 서명키를 입력합니다."); ?>
                 <input type="text" name="de_kakaopay_key" value="<?php echo $default['de_kakaopay_key']; ?>" id="de_kakaopay_key" class="frm_input" size="90">
@@ -1593,6 +1593,23 @@ if($default['de_iche_use'] || $default['de_vbank_use'] || $default['de_hp_use']
             }
         }
     }
+
+    // 카카오페이의 경우 log 디렉토리 체크
+    if($default['de_kakaopay_mid'] && $default['de_kakaopay_key'] && $default['de_kakaopay_enckey'] && $default['de_kakaopay_hashkey'] && $default['de_kakaopay_cancelpwd']) {
+        $log_path = G5_SHOP_PATH.'/kakaopay/log';
+
+        if(!is_dir($log_path)) {
+            echo '<script>'.PHP_EOL;
+            echo 'alert("'.str_replace(G5_PATH.'/', '', G5_SHOP_PATH).'/kakaopay 폴더 안에 log 폴더를 생성하신 후 쓰기권한을 부여해 주십시오.\n> mkdir log\n> chmod 707 log");'.PHP_EOL;
+            echo '</script>'.PHP_EOL;
+        } else {
+            if(!is_writable($log_path)) {
+                echo '<script>'.PHP_EOL;
+                echo 'alert("'.str_replace(G5_PATH.'/', '',$log_path).' 폴더에 쓰기권한을 부여해 주십시오.\n> chmod 707 log");'.PHP_EOL;
+                echo '</script>'.PHP_EOL;
+            }
+        }
+    }
 }
 
 include_once (G5_ADMIN_PATH.'/admin.tail.php');
diff --git a/shop/kakaopay/lgcns_CNSpay.php b/shop/kakaopay/lgcns_CNSpay.php
index 455e37f18..80ebbf25f 100644
--- a/shop/kakaopay/lgcns_CNSpay.php
+++ b/shop/kakaopay/lgcns_CNSpay.php
@@ -395,9 +395,13 @@
     	}
     	public function writeLog($strLogText) {
     	    $log_string = "";
+            $exclude = array('MID', 'merchantEncKey', 'merchantHashKey', 'CancelPwd');
     	    if (is_array($strLogText)) {
     	        $log_string = "[".date("Y/m/d H:i:s")."] \r\n";
     	        foreach (array_keys($strLogText) as $key) {
+                    if(in_array($key, $exclude))
+                        continue;
+
                     $log_string = $log_string."                      [".$key."] => ".$strLogText[$key]."\r\n";
                 }
             } else {
diff --git a/shop/kakaopay/lgcns_KMpay.php b/shop/kakaopay/lgcns_KMpay.php
index 490df1b8e..534b77603 100644
--- a/shop/kakaopay/lgcns_KMpay.php
+++ b/shop/kakaopay/lgcns_KMpay.php
@@ -16,7 +16,7 @@
     	}
     	public function setPhpVersion($version) {
     		$this->phpVersion = $version;
-    	} 
+    	}
         public function parameterEncrypt($key, $plainText) {
             try {
         		$encryptText = "";
@@ -141,6 +141,9 @@
     	    if (is_array($strLogText)) {
     	        $log_string = "[".date("Y/m/d H:i:s")."] \r\n";
     	        foreach (array_keys($strLogText) as $key) {
+                    if($key == 'MERCHANT_ID')
+                        continue;
+
                     $log_string = $log_string."                      [".$key."] => ".$strLogText[$key]."\r\n";
                 }
             } else {
@@ -243,7 +246,7 @@
             fclose($log_file);
         }
     }
-    
+
     class KMPayDataValidator {
     	public $resultValid = "";
     	public function KMPayDataValidator($value) {
@@ -268,7 +271,7 @@
     		$amount = $this->getValueFromArray($value, "AMOUNT");
     		$currency = $this->getValueFromArray($value, "CURRENCY");
     		$returnUrl = $this->getValueFromArray($value, "RETURN_URL");
-    		
+
     		//추가정보
     		$cardMerchantNum = $this->getValueFromArray($value, "CARD_MERCHANT_NUM");
     		$supplyAmt = $this->getValueFromArray($value, "SUPPLY_AMT");
@@ -279,8 +282,8 @@
     		$certifiedFlag = $this->getValueFromArray($value, "CERTIFIED_FLAG");
     		$offerPeriodFlag = $this->getValueFromArray($value, "OFFER_PERIOD_FLAG");
     		$offerPeriod = $this->getValueFromArray($value, "OFFER_PERIOD");
-    		
-    		
+
+
     		if (strlen($certifiedFlag) == 0) {
     			$certifiedFlag = "N";
     		}
@@ -293,7 +296,7 @@
     		if (strlen($cancelTime) == 0) {
     			$cancelTime = "1440";
     		}
-    		
+
     		//필수
     		if (strlen($prType) == 0) {
     			return "USER_ERROR_CODE,804,결제요청타입은 필수입력사항 입니다.";
@@ -315,7 +318,7 @@
     		else if (strlen($merchantTxnNum) > 40) {
     			return "USER_ERROR_CODE,824,가맹점 거래번호의 제한 길이가 초과 되었습니다.";
     		}
-    		
+
     		if (strlen($productName) == 0) {
     			return "USER_ERROR_CODE,809,상품명은 필수입력사항 입니다.";
     		}
@@ -333,18 +336,18 @@
     		if (strlen($currency) == 0) {
     			return "USER_ERROR_CODE,813,거래통화는 필수입력사항 입니다.";
     		}
-    		
+
     		if ($certifiedFlag == "CN") {
     			//웹결제에서는 필수체크 안함
     		}
     		else if (strlen($certifiedFlag) == 0) {
     			return "USER_ERROR_CODE,830,결제승인결과전송URL은 필수입력사항 입니다.";
     		}
-    		
+
     		if (strlen($cardMerchantNum) > 0 && !is_numeric($cardMerchantNum)) {
     			return "USER_ERROR_CODE,814,카드 가맹점 번호는 숫자형입니다.";
     		}
-    		
+
     		if (strlen($supplyAmt) > 0 && !is_numeric($supplyAmt)) {
     			return "USER_ERROR_CODE,815,공급가액은 숫자형입니다.";
     		}
@@ -360,7 +363,7 @@
     		if (strlen($cancelTime) > 0 && !is_numeric($cancelTime)) {
     			return "USER_ERROR_CODE,818,결제취소시간(분)은 숫자형입니다.";
     		}
-    		
+
     		if (strlen($fixedInt) == 0) {
     			// 정상
     		}
@@ -370,11 +373,11 @@
     		else if (!((0 <= intval($fixedInt) && intval($fixedInt) <= 24) ||  $fixedInt == "36")) {
     			return "USER_ERROR_CODE,820,고정할부개월이 잘못되었습니다.";
     		}
-    		
+
     		if ($certifiedFlag != "N" && $certifiedFlag != "CN") {
     			return "USER_ERROR_CODE,831,가맹점 인증 구분값은 N 혹은 CN 입니다";
     		}
-    		
+
     		return "";
     	}
     }
diff --git a/shop/kakaopay/orderform.3.php b/shop/kakaopay/orderform.3.php
index 24c25e0b4..21e0a3531 100644
--- a/shop/kakaopay/orderform.3.php
+++ b/shop/kakaopay/orderform.3.php
@@ -3,4 +3,8 @@ if (!defined('_GNUBOARD_')) exit; // 개별 페이지 접근 불가
 ?>
 
 <!-- TODO :  LayerPopup의 Target DIV 생성 -->
-<div id="kakaopay_layer"  style="display: none"></div>
\ No newline at end of file
+<script>
+$(function() {
+    $("body").append('<div id="kakaopay_layer"  style="display: none"></div>');
+});
+</script>
\ No newline at end of file