diff --git a/library/think/Template.php b/library/think/Template.php
index d9250971..9051ebe1 100644
--- a/library/think/Template.php
+++ b/library/think/Template.php
@@ -699,7 +699,7 @@ class Template
      */
     public function parseAttr($str, $name = null)
     {
-        $regex = '/\s+(?>(?<name>[\w-]+)\s*)=(?>\s*)([\"\'])(?<value>(?:(?!\\2).)*)\\2/is';
+        $regex = '/\s+(?>(?P<name>[\w-]+)\s*)=(?>\s*)([\"\'])(?P<value>(?:(?!\\2).)*)\\2/is';
         $array = [];
         if (preg_match_all($regex, $str, $matches, PREG_SET_ORDER)) {
             foreach ($matches as $match) {
@@ -1114,9 +1114,9 @@ class Template
             switch ($tagName) {
                 case 'block':
                     if ($single) {
-                        $regex = $begin . '(?:' . $tagName . '\b(?>(?:(?!name=).)*)\bname=([\'\"])(?<name>[\$\w\-\/\.]+)\\1(?>[^' . $end . ']*)|\/' . $tagName . ')' . $end;
+                        $regex = $begin . '(?:' . $tagName . '\b(?>(?:(?!name=).)*)\bname=([\'\"])(?P<name>[\$\w\-\/\.]+)\\1(?>[^' . $end . ']*)|\/' . $tagName . ')' . $end;
                     } else {
-                        $regex = $begin . '(?:' . $tagName . '\b(?>(?:(?!name=).)*)\bname=([\'\"])(?<name>[\$\w\-\/\.]+)\\1(?>(?:(?!' . $end . ').)*)|\/' . $tagName . ')' . $end;
+                        $regex = $begin . '(?:' . $tagName . '\b(?>(?:(?!name=).)*)\bname=([\'\"])(?P<name>[\$\w\-\/\.]+)\\1(?>(?:(?!' . $end . ').)*)|\/' . $tagName . ')' . $end;
                     }
                     break;
                 case 'literal':
@@ -1142,9 +1142,9 @@ class Template
                         $name = 'name';
                     }
                     if ($single) {
-                        $regex = $begin . $tagName . '\b(?>(?:(?!' . $name . '=).)*)\b' . $name . '=([\'\"])(?<name>[\$\w\-\/\.\:@,\\\\]+)\\1(?>[^' . $end . ']*)' . $end;
+                        $regex = $begin . $tagName . '\b(?>(?:(?!' . $name . '=).)*)\b' . $name . '=([\'\"])(?P<name>[\$\w\-\/\.\:@,\\\\]+)\\1(?>[^' . $end . ']*)' . $end;
                     } else {
-                        $regex = $begin . $tagName . '\b(?>(?:(?!' . $name . '=).)*)\b' . $name . '=([\'\"])(?<name>[\$\w\-\/\.\:@,\\\\]+)\\1(?>(?:(?!' . $end . ').)*)' . $end;
+                        $regex = $begin . $tagName . '\b(?>(?:(?!' . $name . '=).)*)\b' . $name . '=([\'\"])(?P<name>[\$\w\-\/\.\:@,\\\\]+)\\1(?>(?:(?!' . $end . ').)*)' . $end;
                     }
                     break;
             }
diff --git a/library/think/template/TagLib.php b/library/think/template/TagLib.php
index b0e40f57..101593bf 100644
--- a/library/think/template/TagLib.php
+++ b/library/think/template/TagLib.php
@@ -224,7 +224,7 @@ class TagLib
      */
     public function parseAttr($str, $name, $alias = '')
     {
-        $regex  = '/\s+(?>(?<name>[\w-]+)\s*)=(?>\s*)([\"\'])(?<value>(?:(?!\\2).)*)\\2/is';
+        $regex  = '/\s+(?>(?P<name>[\w-]+)\s*)=(?>\s*)([\"\'])(?P<value>(?:(?!\\2).)*)\\2/is';
         $result = [];
         if (preg_match_all($regex, $str, $matches)) {
             foreach ($matches['name'] as $key => $val) {