diff --git a/app/service/design_fast/pipeline/segmentation.py b/app/service/design_fast/pipeline/segmentation.py
index bdf75a0..ebdb6c6 100644
--- a/app/service/design_fast/pipeline/segmentation.py
+++ b/app/service/design_fast/pipeline/segmentation.py
@@ -47,6 +47,7 @@ class Segmentation:
                 # 本地查询seg 缓存是否存在
                 _, seg_result = self.load_seg_result(result["image_id"])
                 # 判断缓存和实际图片size是否相同
+                _ = False
                 if not _ or result["image"].shape[:2] != seg_result.shape:
                     # 推理获得seg 结果
                     seg_result = get_seg_result(result['image'])