fix(extend): 修复了解析不到为空不为数组的问题

src/Service/ExtendService.php

@@ -17,7 +17,7 @@ class ExtendService
      */
     public function parse(
         ?ServerRequestInterface $request,
-        ?array $params = null
+        array|string|null $params = null
     ): array {
         $params ??= $request?->getQueryParams();
         $extends = $params['extends'] ?? null;

tests/Unit/ExtendServiceTest.php

@@ -9,18 +9,25 @@
 
 namespace Singularity\HDK\Test\Core\Unit;
 
+use Darabonba\GatewaySpi\Models\InterceptorContext\request;
 use Singularity\HDK\Core\Service\ExtendService;
 
 $service = new ExtendService();
 
-it('asserts no parameters can be parsed.', function () use ($service) {
+it('asserts no parameters can be parsed.', function (ExtendService $service, $params) {
     $service->parse(
-        null,
-        null
+        request: null,
+        params: $params
     );
     $result = $service->getExtends();
     expect($result)->toBeArray()->toHaveCount(0)->toBe([]);
-})->only();
+})->with([
+    [$service, null],
+    [$service, ''],
+    [$service, []],
+    [$service, ['extends' => '']],
+    [$service, ['extends' => null]],
+]);
 
 it('asserts query parameters can be parsed.', function () use ($service) {
     $result = $service->parse(