diff --git a/src/Studio/Resource/Lattice.php b/src/Studio/Resource/Lattice.php
index f0bd576..c268f85 100644
--- a/src/Studio/Resource/Lattice.php
+++ b/src/Studio/Resource/Lattice.php
@@ -14,7 +14,7 @@ namespace Singularity\HDK\Studio\Resource;
 use Hyperf\Di\Annotation\Inject;
 use Hyperf\HttpServer\Contract\RequestInterface;
 use Hyperf\Resource\Json\JsonResource;
-use Singularity\HDK\Utils\Resource\ClassicResponse;
+use Singularity\HDK\Core\Resource\ClassicResponse;
 
 /**
  * 晶格资源模型
@@ -74,9 +74,9 @@ class Lattice extends JsonResource
             'a' => (float)$this->a,
             'b' => (float)$this->b,
             'c0' => (float)$this->c0,
-            'scalingRatio' => (float)$this->pivot?->scaling_ratio,
-            'evaluation' => LatticeEvaluation::make($this->evaluation),
-            'material' => Material::collection($this->material),
+            'scalingRatio' => $this->when(isset($this->pivot), (float)$this->pivot?->scaling_ratio),
+            'evaluation' => LatticeEvaluation::make($this->whenLoaded('evaluation')),
+            'material' => Material::collection($this->whenLoaded('material')),
         ];
     }
 }
\ No newline at end of file