diff --git a/adm/shop_admin/itemoption.php b/adm/shop_admin/itemoption.php
index a078a46c4..6677edbaa 100644
--- a/adm/shop_admin/itemoption.php
+++ b/adm/shop_admin/itemoption.php
@@ -75,6 +75,8 @@ if($po_run) {
             $opt_1 = $opt_val[0];
             $opt_2 = $opt_val[1];
             $opt_3 = $opt_val[2];
+            $opt_2_len = strlen($opt_2);
+            $opt_3_len = strlen($opt_3);
             $opt_price = $row['io_price'];
             $opt_stock_qty = $row['io_stock_qty'];
             $opt_noti_qty = $row['io_noti_qty'];
@@ -86,7 +88,7 @@ if($po_run) {
             <label for="opt_chk_<?php echo $i; ?>" class="sound_only"></label>
             <input type="checkbox" name="opt_chk[]" id="opt_chk_<?php echo $i; ?>" value="1">
         </td>
-        <td class="opt-cell"><?php echo $opt_1; if ($opt_2) echo ' <small>&gt;</small> '.$opt_2; if ($opt_3) echo ' <small>&gt;</small> '.$opt_3; ?></td>
+        <td class="opt-cell"><?php echo $opt_1; if ($opt_2_len) echo ' <small>&gt;</small> '.$opt_2; if ($opt_3_len) echo ' <small>&gt;</small> '.$opt_3; ?></td>
         <td class="td_numsmall">
             <label for="opt_price_<?php echo $i; ?>" class="sound_only"></label>
             <input type="text" name="opt_price[]" value="<?php echo $opt_price; ?>" id="opt_price_<?php echo $i; ?>" class="frm_input" size="9">
@@ -119,10 +121,13 @@ if($po_run) {
                     $opt_2 = strip_tags(trim($opt2[$j]));
                     $opt_3 = strip_tags(trim($opt3[$k]));
 
+                    $opt_2_len = strlen($opt_2);
+                    $opt_3_len = strlen($opt_3);
+
                     $opt_id = $opt_1;
-                    if($opt_2)
+                    if($opt_2_len)
                         $opt_id .= chr(30).$opt_2;
-                    if($opt_3)
+                    if($opt_3_len)
                         $opt_id .= chr(30).$opt_3;
                     $opt_price = 0;
                     $opt_stock_qty = 0;
@@ -150,7 +155,7 @@ if($po_run) {
             <label for="opt_chk_<?php echo $i; ?>" class="sound_only"></label>
             <input type="checkbox" name="opt_chk[]" id="opt_chk_<?php echo $i; ?>" value="1">
         </td>
-        <td class="opt1-cell"><?php echo $opt_1; if ($opt_2) echo ' <small>&gt;</small> '.$opt_2; if ($opt_3) echo ' <small>&gt;</small> '.$opt_3; ?></td>
+        <td class="opt1-cell"><?php echo $opt_1; if ($opt_2_len) echo ' <small>&gt;</small> '.$opt_2; if ($opt_3_len) echo ' <small>&gt;</small> '.$opt_3; ?></td>
         <td class="td_numsmall">
             <label for="opt_price_<?php echo $i; ?>" class="sound_only"></label>
             <input type="text" name="opt_price[]" value="<?php echo $opt_price; ?>" id="opt_price_<?php echo $i; ?>" class="frm_input" size="9">
diff --git a/adm/shop_admin/itemsupply.php b/adm/shop_admin/itemsupply.php
index 4b018e980..1c7d31bc5 100644
--- a/adm/shop_admin/itemsupply.php
+++ b/adm/shop_admin/itemsupply.php
@@ -90,7 +90,7 @@ if($ps_run) {
 
             for($j=0; $j<$spl_count; $j++) {
                 $spl = strip_tags(trim($spl_val[$j]));
-                if($spl_subject && $spl) {
+                if($spl_subject && strlen($spl)) {
                     $spl_id = $spl_subject.chr(30).$spl;
                     $spl_price = 0;
                     $spl_stock_qty = 0;
diff --git a/lib/shop.lib.php b/lib/shop.lib.php
index 05bfec17f..32359184e 100644
--- a/lib/shop.lib.php
+++ b/lib/shop.lib.php
@@ -971,7 +971,7 @@ function get_item_options($it_id, $subject)
                 $select .= '<option value="">선택</option>'.PHP_EOL;
                 for($k=0; $k<$opt_count; $k++) {
                     $opt_val = $opt[$k];
-                    if($opt_val) {
+                    if(strlen($opt_val)) {
                         $select .= '<option value="'.$opt_val.'">'.$opt_val.'</option>'.PHP_EOL;
                     }
                 }
@@ -1036,7 +1036,7 @@ function get_item_supply($it_id, $subject)
         if($opt_id[0] && !array_key_exists($opt_id[0], $options))
             $options[$opt_id[0]] = array();
 
-        if($opt_id[1]) {
+        if(strlen($opt_id[1])) {
             if($row['io_price'] >= 0)
                 $price = '&nbsp;&nbsp;+ '.number_format($row['io_price']).'원';
             else
diff --git a/shop/itemoption.php b/shop/itemoption.php
index d1619e342..b5ca01e03 100644
--- a/shop/itemoption.php
+++ b/shop/itemoption.php
@@ -21,10 +21,7 @@ for($i=0; $row=sql_fetch_array($result); $i++) {
     $val = explode(chr(30), $row['io_id']);
     $key = $idx + 1;
 
-    if(!$val[$key])
-        continue;
-
-    if(in_array($val[$key], $opt))
+    if(!strlen($val[$key]))
         continue;
 
     $opt[] = $val[$key];