diff --git a/internal/service/auto_config.go b/internal/service/auto_config.go
index 4ebf02c..dbe0e3f 100644
--- a/internal/service/auto_config.go
+++ b/internal/service/auto_config.go
@@ -481,7 +481,7 @@ func (s *AutoConfigService) BuildPipeline(req AutoConfigRequest, deploy bool) (*
     }
 
     // ---- 6 & 7. Render and deploy ----
-    preview, err := s.preview.RenderDeviceAssignment(req.DeviceID)
+    preview, err := s.preview.RenderDeviceAssignment(req.DeviceID, req.Overlays)
     if err != nil {
         result.Error = fmt.Sprintf("配置渲染失败: %v", err)
         return result, fmt.Errorf(result.Error)