Refactor DTOs into namespaces and update response types

Author: XIYUEKONGLING

OpenBioCardServer/Controllers/Classic/ClassicAdminController.cs

@@ -30,6 +30,7 @@ public ClassicAdminController(
     {
         _context = context;
         _authService = authService;
+        _cache = cache;
         _logger = logger;
     }