fix some Comment

app.py

@@ -486,10 +486,8 @@ def process_reconstruction(
         gc.collect()
         torch.cuda.empty_cache()
 
-        # 设置随机种子
         seed_all(seed)
-
-        # 检查CUDA是否可用
+        
         device = torch.device("cuda" if torch.cuda.is_available() else "cpu")
         if not torch.cuda.is_available():
             raise ValueError("CUDA is not available. Check your environment.")