diff --git a/adm/shop_admin/orderdeliveryexcel.php b/adm/shop_admin/orderdeliveryexcel.php
index dcb3d37a4..779adf8bc 100644
--- a/adm/shop_admin/orderdeliveryexcel.php
+++ b/adm/shop_admin/orderdeliveryexcel.php
@@ -47,7 +47,7 @@ if (phpversion() >= '5.2.0') {
     $data = array_merge(array($headers), $rows);
 
     $excel = new PHPExcel();
-    $excel->setActiveSheetIndex(0)->getStyle( "A1:${last_char}1" )->getFill()->setFillType(PHPExcel_Style_Fill::FILL_SOLID)->getStartColor()->setARGB($header_bgcolor);
+    $excel->setActiveSheetIndex(0)->getStyle( "A1:{$last_char}1" )->getFill()->setFillType(PHPExcel_Style_Fill::FILL_SOLID)->getStartColor()->setARGB($header_bgcolor);
     $excel->setActiveSheetIndex(0)->getStyle( "A:$last_char" )->getAlignment()->setVertical(PHPExcel_Style_Alignment::VERTICAL_CENTER)->setWrapText(true);
     foreach($widths as $i => $w) $excel->setActiveSheetIndex(0)->getColumnDimension( column_char($i) )->setWidth($w);
     $excel->getActiveSheet()->fromArray($data,NULL,'A1');
diff --git a/adm/shop_admin/orderprintresult.php b/adm/shop_admin/orderprintresult.php
index 906eac729..96c7e509f 100644
--- a/adm/shop_admin/orderprintresult.php
+++ b/adm/shop_admin/orderprintresult.php
@@ -235,7 +235,7 @@ if ($csv == 'xls')
         $data = array_merge(array($headers), $rows);
 
         $excel = new PHPExcel();
-        $excel->setActiveSheetIndex(0)->getStyle( "A1:${last_char}1" )->getFill()->setFillType(PHPExcel_Style_Fill::FILL_SOLID)->getStartColor()->setARGB($header_bgcolor);
+        $excel->setActiveSheetIndex(0)->getStyle( "A1:{$last_char}1" )->getFill()->setFillType(PHPExcel_Style_Fill::FILL_SOLID)->getStartColor()->setARGB($header_bgcolor);
         $excel->setActiveSheetIndex(0)->getStyle( "A:$last_char" )->getAlignment()->setVertical(PHPExcel_Style_Alignment::VERTICAL_CENTER)->setWrapText(true);
         foreach($widths as $i => $w) $excel->setActiveSheetIndex(0)->getColumnDimension( column_char($i) )->setWidth($w);
         $excel->getActiveSheet()->fromArray($data,NULL,'A1');
diff --git a/adm/sms_admin/num_book_file_download.php b/adm/sms_admin/num_book_file_download.php
index 55d8e6f0d..5f5e875ea 100644
--- a/adm/sms_admin/num_book_file_download.php
+++ b/adm/sms_admin/num_book_file_download.php
@@ -51,7 +51,7 @@ for($i=1; $res=sql_fetch_array($qry); $i++)
 
 $data = array_merge(array($headers), $rows);
 
-$excel->setActiveSheetIndex(0)->getStyle( "A1:${last_char}1" )->getFill()->setFillType(PHPExcel_Style_Fill::FILL_SOLID)->getStartColor()->setARGB($header_bgcolor);
+$excel->setActiveSheetIndex(0)->getStyle( "A1:{$last_char}1" )->getFill()->setFillType(PHPExcel_Style_Fill::FILL_SOLID)->getStartColor()->setARGB($header_bgcolor);
 $excel->setActiveSheetIndex(0)->getStyle( "A:$last_char" )->getAlignment()->setVertical(PHPExcel_Style_Alignment::VERTICAL_CENTER)->setWrapText(true);
 foreach($widths as $i => $w) $excel->setActiveSheetIndex(0)->getColumnDimension( column_char($i) )->setWidth($w);
 $excel->getActiveSheet()->fromArray($data,NULL,'A1');
diff --git a/skin/shop/basic/listcategory3.skin.php b/skin/shop/basic/listcategory3.skin.php
index 6a06aed37..4bb32bdb2 100644
--- a/skin/shop/basic/listcategory3.skin.php
+++ b/skin/shop/basic/listcategory3.skin.php
@@ -6,7 +6,7 @@ $exists = false;
 
 $depth2_ca_id = substr($ca_id, 0, 2);
 
-$sql = " select ca_id, ca_name from {$g5['g5_shop_category_table']} where ca_id like '${depth2_ca_id}%' and length(ca_id) = 4 and ca_use = '1' order by ca_order, ca_id ";
+$sql = " select ca_id, ca_name from {$g5['g5_shop_category_table']} where ca_id like '{$depth2_ca_id}%' and length(ca_id) = 4 and ca_use = '1' order by ca_order, ca_id ";
 $result = sql_query($sql);
 while ($row=sql_fetch_array($result)) {
     if (preg_match("/^{$row['ca_id']}/", $ca_id))
diff --git a/theme/basic/skin/shop/basic/listcategory3.skin.php b/theme/basic/skin/shop/basic/listcategory3.skin.php
index 6a06aed37..4bb32bdb2 100644
--- a/theme/basic/skin/shop/basic/listcategory3.skin.php
+++ b/theme/basic/skin/shop/basic/listcategory3.skin.php
@@ -6,7 +6,7 @@ $exists = false;
 
 $depth2_ca_id = substr($ca_id, 0, 2);
 
-$sql = " select ca_id, ca_name from {$g5['g5_shop_category_table']} where ca_id like '${depth2_ca_id}%' and length(ca_id) = 4 and ca_use = '1' order by ca_order, ca_id ";
+$sql = " select ca_id, ca_name from {$g5['g5_shop_category_table']} where ca_id like '{$depth2_ca_id}%' and length(ca_id) = 4 and ca_use = '1' order by ca_order, ca_id ";
 $result = sql_query($sql);
 while ($row=sql_fetch_array($result)) {
     if (preg_match("/^{$row['ca_id']}/", $ca_id))