diff --git a/brep2sdf/networks/encoder.py b/brep2sdf/networks/encoder.py
index aedbb90..0874893 100644
--- a/brep2sdf/networks/encoder.py
+++ b/brep2sdf/networks/encoder.py
@@ -53,9 +53,9 @@ class Encoder(nn.Module):
             
             # 根据归一化后的对角线长度调整分辨率
             resolutions = torch.zeros_like(diagonals, dtype=torch.long)
-            resolutions[diagonals > 1.0] = 16    # 大尺寸
-            resolutions[(diagonals > 0.5) & (diagonals <= 1.0)] = 8   # 中等尺寸
-            resolutions[diagonals <= 0.5] = 4  # 小尺寸
+            resolutions[diagonals > 1.0] = 64    # 大尺寸
+            resolutions[(diagonals > 0.5) & (diagonals <= 1.0)] = 32   # 中等尺寸
+            resolutions[diagonals <= 0.5] = 16  # 小尺寸
             
             return resolutions
 
@@ -75,20 +75,17 @@ class Encoder(nn.Module):
         all_features = torch.zeros(batch_size, num_volumes, self.feature_dim, 
                                   device=query_points.device)
         background_features = self.background.forward(query_points)  # (B, D)
+
         # 遍历每个volume索引
-        for p in range(num_volumes):
-            # 获取当前volume的索引 (B,)
-            current_indices = volume_indices[:, p]
-            
-            # 遍历所有存在的volume
-            for vol_id, volume in enumerate(self.feature_volumes):
-                # 创建掩码 (B,)
-                mask = (current_indices == vol_id)
-                if mask.any():
-                    # 获取对应volume的特征 (M, D)
-                    features = volume.forward(query_points[mask])
-                    all_features[mask, p] = 0.7 * features + 0.3 * background_features[mask]
-        
+        for vol_id, volume in enumerate(self.feature_volumes):
+            current_indices = volume_indices[:, vol_id]
+            # 创建掩码 (B,)
+            mask = (current_indices == vol_id)
+            if mask.any():
+                # 获取对应volume的特征 (M, D)
+                features = volume.forward(query_points[mask])
+                all_features[mask, vol_id] = 0.7 * features + 0.3 * background_features[mask]
+    
         return all_features
       
     @torch.jit.export