diff --git a/src/think/route/Url.php b/src/think/route/Url.php
index f2388a090d..a9fad24a57 100644
--- a/src/think/route/Url.php
+++ b/src/think/route/Url.php
@@ -224,6 +224,11 @@ protected function parseUrl(string $url, string | bool &$domain): string
             }
         }
 
+        $ext = pathinfo($url, PATHINFO_EXTENSION);
+        if ('' !== $ext && str_ends_with($url, '.' . $ext)) {
+            $url = substr($url, 0, -strlen($ext) - 1);
+        }
+
         return $url;
     }
 
diff --git a/tests/UrlRouteTest.php b/tests/UrlRouteTest.php
index a994ef0781..c4d4f0ee77 100644
--- a/tests/UrlRouteTest.php
+++ b/tests/UrlRouteTest.php
@@ -41,6 +41,21 @@ public function testUrlDispatch()
         $this->assertEquals('bar', $response->getContent());
     }
 
+    /**
+     * 测试 Route::buildUrl()
+     */
+    public function testBuild()
+    {
+        $request  = $this->makeRequest('index/index.html');
+
+        $this->app->request = $request;
+
+        $urlBuild = new \think\route\Url($this->route, $this->app, '', []);
+        $result = $urlBuild->build();
+
+        $this->assertEquals('/index/index.html', $result);
+    }
+
     /**
      * @param        $path
      * @param string $method