diff --git a/framework/Furion.Pure/VirtualFileServer/FS.cs b/framework/Furion.Pure/VirtualFileServer/FS.cs
index 7026954f9bfb4336a0ebc7f4925309942cea4ef6..2bab755d936f7865983647d01a453bafe63a95b5 100644
--- a/framework/Furion.Pure/VirtualFileServer/FS.cs
+++ b/framework/Furion.Pure/VirtualFileServer/FS.cs
@@ -102,7 +102,8 @@ public static class FS
         fileExtensionProvider.Mappings[".php4"] = "application/x-httpd-php";
         fileExtensionProvider.Mappings[".phtml"] = "application/x-httpd-php";
         fileExtensionProvider.Mappings[".pcd"] = "image/x-photo-cd";
-
+        fileExtensionProvider.Mappings[".bcmap"] = "application/octet-stream";
+        fileExtensionProvider.Mappings[".properties"] = "application/octet-stream";
         return fileExtensionProvider;
     }
 }
\ No newline at end of file