diff --git a/niucloud/vendor/w7corp/easywechat/src/Kernel/Support/Xml.php b/niucloud/vendor/w7corp/easywechat/src/Kernel/Support/Xml.php
new file mode 100644
index 000000000..97a8b78d0
--- /dev/null
+++ b/niucloud/vendor/w7corp/easywechat/src/Kernel/Support/Xml.php
@@ -0,0 +1,158 @@
+<?php
+
+declare(strict_types=1);
+
+namespace EasyWeChat\Kernel\Support;
+
+use InvalidArgumentException;
+use SimpleXMLElement;
+use function is_object;
+
+class Xml
+{
+    /**
+     * @return array<int|string,mixed>|null
+     */
+    public static function parse(string $xml): array|null
+    {
+        if (empty($xml)) {
+            return null;
+        }
+
+        $xml = simplexml_load_string(
+            self::sanitize($xml),
+            'SimpleXMLElement',
+            LIBXML_COMPACT | LIBXML_NOCDATA | LIBXML_NOBLANKS
+        );
+
+        if (!$xml) {
+            throw new InvalidArgumentException('Invalid XML');
+        }
+
+        return self::normalize($xml);
+    }
+
+    /**
+     * @param  array<int|string, mixed>  $data
+     * @param  string  $root
+     * @param  string  $item
+     * @param  string|array<string, mixed>  $attr
+     * @param  string  $id
+     *
+     * @return string
+     */
+    public static function build(
+        array $data,
+        string $root = 'xml',
+        string $item = 'item',
+        string|array $attr = '',
+        string $id = 'id'
+    ): string {
+        if (is_array($attr)) {
+            $segments = [];
+
+            foreach ($attr as $key => $value) {
+                /** @phpstan-ignore-next-line */
+                $segments[] = "{$key}=\"{$value}\"";
+            }
+
+            $attr = implode(' ', $segments);
+        }
+
+        $attr = trim($attr);
+        $attr = empty($attr) ? '' : " {$attr}";
+        $xml = "<{$root}{$attr}>";
+        $xml .= self::data2Xml($data, $item, $id);
+        $xml .= "</{$root}>";
+
+        return $xml;
+    }
+
+    public static function cdata(?string $string): string
+    {
+        return sprintf('<![CDATA[%s]]>', $string ?? '');
+    }
+
+    /**
+     * @psalm-suppress RedundantCondition
+     * @param  array<SimpleXMLElement>|SimpleXMLElement  $object
+     * @return array<int|string, mixed>|null
+     */
+    protected static function normalize(SimpleXMLElement|array $object): array|null
+    {
+        $result = null;
+
+        if (is_object($object)) {
+            $object = (array) $object;
+        }
+
+        if (is_array($object)) {
+            foreach ($object as $key => $value) {
+                $value = $value instanceof SimpleXMLElement ? self::normalize($value) : $value;
+
+                if ('@attributes' === $key) {
+                    $result = $value; // @codeCoverageIgnore
+                } else {
+                    $result[$key] = $value;
+                }
+            }
+        }
+
+        return $result;
+    }
+
+    /**
+     * @param  array<int|string,mixed>  $data
+     * @param  string  $item
+     * @param  string  $id
+     *
+     * @return string
+     */
+    protected static function data2Xml(array $data, string $item = 'item', string $id = 'id'): string
+    {
+        $xml = $attr = '';
+
+        foreach ($data as $key => $val) {
+            if (is_numeric($key)) {
+                $attr = " {$id}=\"{$key}\"";
+                $key = $item;
+            }
+
+            $xml .= "<{$key}{$attr}>";
+
+            if ((is_array($val) || is_object($val))) {
+                $xml .= self::data2Xml((array) $val, $item, $id);
+            } else {
+                /** @phpstan-ignore-next-line */
+                $xml .= is_numeric($val) ? $val : self::cdata($val);
+            }
+
+            $xml .= "</{$key}>";
+        }
+
+        return $xml;
+    }
+
+    /**
+     * Delete invalid characters in XML.
+     *
+     * @see https://www.w3.org/TR/2008/REC-xml-20081126/#charsets - XML charset range
+     * @see http://php.net/manual/en/regexp.reference.escape.php - escape in UTF-8 mode
+     *
+     * @param  ?string  $xml
+     *
+     * @return string
+     */
+    public static function sanitize(?string $xml): string
+    {
+        if (empty($xml)) {
+            return '';
+        }
+
+        return preg_replace(
+            '/[^\x{9}\x{A}\x{D}\x{20}-\x{D7FF}\x{E000}-\x{FFFD}\x{10000}-\x{10FFFF}]+/u',
+            '',
+            $xml
+        ) ?? '';
+    }
+}
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