diff --git a/src/sentry/src/Aspect/GuzzleHttpClientAspect.php b/src/sentry/src/Aspect/GuzzleHttpClientAspect.php
index aa4d1f1b6..edf94cbec 100644
--- a/src/sentry/src/Aspect/GuzzleHttpClientAspect.php
+++ b/src/sentry/src/Aspect/GuzzleHttpClientAspect.php
@@ -54,28 +54,30 @@ public function process(ProceedingJoinPoint $proceedingJoinPoint)
 
         $onStats = $options['on_stats'] ?? null;
 
+        // Override the on_stats option to record the request.
         $proceedingJoinPoint->arguments['keys']['options']['on_stats'] = function (TransferStats $stats) use ($onStats, $guzzleConfig, $options) {
             $request = $stats->getRequest();
             $response = $stats->getResponse();
-
             $uri = $request->getUri()->__toString();
-            $data = [];
-            $data['config'] = $guzzleConfig;
-            // request
-            $data['request.method'] = $request->getMethod();
-            $data['request.body.size'] = strlen($options['body'] ?? '');
-            $data['request.full_url'] = (string) $request->getUri();
-            $data['request.path'] = $request->getUri()->getPath();
-            $data['request.scheme'] = $request->getUri()->getScheme();
-            $data['request.host'] = $request->getUri()->getHost();
-            $data['request.port'] = $request->getUri()->getPort();
-            $data['request.user_agent'] = $request->getHeaderLine('User-Agent'); // updated key for consistency
-            $data['request.headers'] = $request->getHeaders();
-            // response
-            $data['response.status'] = $response?->getStatusCode();
-            $data['response.reason'] = $response?->getReasonPhrase();
-            $data['response.headers'] = $response?->getHeaders();
-            $data['duration'] = $stats->getTransferTime() * 1000;
+            $data = [
+                'config' => $guzzleConfig,
+                // request
+                'http.request.method' => $request->getMethod(),
+                'http.request.body.size' => strlen($options['body'] ?? ''),
+                'http.request.full_url' => (string) $request->getUri(),
+                'http.request.path' => $request->getUri()->getPath(),
+                'http.request.scheme' => $request->getUri()->getScheme(),
+                'http.request.host' => $request->getUri()->getHost(),
+                'http.request.port' => $request->getUri()->getPort(),
+                'http.request.user_agent' => $request->getHeaderLine('User-Agent'), // updated key for consistency
+                'http.request.headers' => $request->getHeaders(),
+                // response
+                'http.response.status_code' => $response?->getStatusCode(),
+                'http.response.body.size' => $response?->getBody()->getSize() ?? 0,
+                'http.response.reason' => $response?->getReasonPhrase(),
+                'http.response.headers' => $response?->getHeaders(),
+                'duration' => $stats->getTransferTime() * 1000,
+            ];
 
             Integration::addBreadcrumb(new Breadcrumb(
                 Breadcrumb::LEVEL_INFO,
diff --git a/src/sentry/src/Tracing/Aspect/GuzzleHttpClientAspect.php b/src/sentry/src/Tracing/Aspect/GuzzleHttpClientAspect.php
index 40371ee38..67637e3c4 100644
--- a/src/sentry/src/Tracing/Aspect/GuzzleHttpClientAspect.php
+++ b/src/sentry/src/Tracing/Aspect/GuzzleHttpClientAspect.php
@@ -121,11 +121,25 @@ public function process(ProceedingJoinPoint $proceedingJoinPoint)
                     'http.response.reason' => $response->getReasonPhrase(),
                     'http.response.headers' => $response->getHeaders(),
                     'http.response.body.size' => $response->getBody()->getSize() ?? 0,
+                    'http.response_content_length' => $response->getHeaderLine('Content-Length'),
+                    'http.decoded_response_content_length' => $response->getHeaderLine('X-Decoded-Content-Length'),
+                    'http.response_transfer_size' => $response->getHeaderLine('Content-Length'),
                 ]);
 
                 if ($this->switcher->isTracingExtraTagEnable('http.response.body.contents')) {
-                    $data['http.response.body.contents'] = $response->getBody()->getContents();
-                    $response->getBody()->isSeekable() && $response->getBody()->rewind();
+                    $isTextual = \preg_match(
+                        '/^(text\/|application\/(json|xml|x-www-form-urlencoded))/i',
+                        $response->getHeaderLine('Content-Type')
+                    ) === 1;
+                    $body = $response->getBody();
+
+                    if ($isTextual && $body->isSeekable()) {
+                        $pos = $body->tell();
+                        $data['http.response.body.contents'] = \GuzzleHttp\Psr7\Utils::copyToString($body, 8192); // 8KB 上限
+                        $body->seek($pos);
+                    } else {
+                        $data['http.response.body.contents'] = '[binary omitted]';
+                    }
                 }
 
                 $span->setStatus(SpanStatus::createFromHttpStatusCode($response->getStatusCode()));