fix:更新已知bug,优化代码

vendor/guzzlehttp/psr7/src/AppendStream.php

@@ -191,7 +191,6 @@ final class AppendStream implements StreamInterface
         $progressToNext = false;
 
         while ($remaining > 0) {
-
             // Progress to the next stream if needed.
             if ($progressToNext || $this->streams[$this->current]->eof()) {
                 $progressToNext = false;

vendor/guzzlehttp/psr7/src/Header.php

@@ -62,7 +62,7 @@ final class Header
     }
 
     /**
-     * Splits a HTTP header defined to contain comma-separated list into
+     * Splits a HTTP header defined to contain a comma-separated list into
      * each individual value. Empty values will be removed.
      *
      * Example headers include 'accept', 'cache-control' and 'if-none-match'.

vendor/guzzlehttp/psr7/src/Message.php

@@ -67,6 +67,7 @@ final class Message
             return null;
         }
 
+        $body->rewind();
         $summary = $body->read($truncateAt);
         $body->rewind();
 

vendor/guzzlehttp/psr7/src/MultipartStream.php

@@ -34,7 +34,7 @@ final class MultipartStream implements StreamInterface
      */
     public function __construct(array $elements = [], string $boundary = null)
     {
-        $this->boundary = $boundary ?: sha1(uniqid('', true));
+        $this->boundary = $boundary ?: bin2hex(random_bytes(20));
         $this->stream = $this->createStream($elements);
     }
 

vendor/guzzlehttp/psr7/src/Uri.php

@@ -172,10 +172,14 @@ class Uri implements UriInterface, \JsonSerializable
             $uri .= $scheme . ':';
         }
 
-        if ($authority != ''|| $scheme === 'file') {
+        if ($authority != '' || $scheme === 'file') {
             $uri .= '//' . $authority;
         }
 
+        if ($authority != '' && $path != '' && $path[0] != '/') {
+            $path = '/' . $path;
+        }
+
         $uri .= $path;
 
         if ($query != '') {
@@ -731,8 +735,6 @@ class Uri implements UriInterface, \JsonSerializable
             if ($this->scheme === '' && false !== strpos(explode('/', $this->path, 2)[0], ':')) {
                 throw new MalformedUriException('A relative URI must not have a path beginning with a segment containing a colon');
             }
-        } elseif (isset($this->path[0]) && $this->path[0] !== '/') {
-            throw new MalformedUriException('The path of a URI with an authority must start with a slash "/" or be empty');
         }
     }
 }