diff --git a/brep2sdf/config/default_config.py b/brep2sdf/config/default_config.py
index d8ed5b9..1018b45 100644
--- a/brep2sdf/config/default_config.py
+++ b/brep2sdf/config/default_config.py
@@ -48,7 +48,7 @@ class TrainConfig:
     # 基本训练参数
     batch_size: int = 8
     num_workers: int = 4
-    num_epochs: int = 100
+    num_epochs: int = 1000
     learning_rate: float = 0.001
     min_lr: float = 1e-5
     weight_decay: float = 0.01
@@ -90,7 +90,7 @@ class LogConfig:
     # 本地日志
     log_dir: str = '/home/wch/brep2sdf/logs'                    # 日志保存目录
     log_level: str = 'INFO'                  # 日志级别
-    console_level: str = 'DEBUG'              # 控制台日志级别
+    console_level: str = 'INFO'              # 控制台日志级别
     file_level: str = 'DEBUG'                # 文件日志级别
 
 @dataclass
diff --git a/brep2sdf/data/utils.py b/brep2sdf/data/utils.py
index 1a1bf2b..088e9b0 100644
--- a/brep2sdf/data/utils.py
+++ b/brep2sdf/data/utils.py
@@ -10,6 +10,9 @@ from OCC.Core.TopoDS import topods, TopoDS_Vertex  # 拓扑数据结构
 import numpy as np
 from scipy.spatial import cKDTree
 
+from torch.nn.utils.rnn import pad_sequence
+import torch
+
 from brep2sdf.utils.logger import logger
 
 def load_step(step_path):
@@ -35,7 +38,22 @@ def get_bbox(shape, subshape):
     xmin, ymin, zmin, xmax, ymax, zmax = bbox.Get()
     return np.array([xmin, ymin, zmin, xmax, ymax, zmax])
 
-
+def process_surf_ncs_with_dynamic_padding(surf_ncs: np.ndarray) -> torch.Tensor:
+    """
+    使用 pad_sequence 动态填充 surf_ncs。
+    
+    参数:
+        surf_ncs: 形状为 (N,) 的 np.ndarray(dtype=object)，每个元素是形状为 (M, 3) 的 float32 数组。
+        
+    返回:
+        padded_tensor: 形状为 (N, M_max, 3) 的张量，其中 M_max 是最长子数组的长度。
+    """
+    # 转换为张量列表
+    tensor_list = [torch.tensor(arr, dtype=torch.float32) for arr in surf_ncs]
+    
+    # 动态填充
+    padded_tensor = pad_sequence(tensor_list, batch_first=True, padding_value=float('inf'))
+    return padded_tensor
 
 
 def normalize(surfs, edges, corners):
diff --git a/brep2sdf/networks/decoder.py b/brep2sdf/networks/decoder.py
index 9f9ea57..7e8d142 100644
--- a/brep2sdf/networks/decoder.py
+++ b/brep2sdf/networks/decoder.py
@@ -1,42 +1,219 @@
 import torch.nn as nn
-import torch.nn.functional as F
-from torch import Tensor
+import torch
+import numpy as np
+from typing import Tuple, List, Union
+from brep2sdf.utils.logger import logger
 
+class Sine(nn.Module):
+    def __init(self):
+        super().__init__()
+
+    def forward(self, input):
+        # See paper sec. 3.2, final paragraph, and supplement Sec. 1.5 for discussion of factor 30
+        return torch.sin(30 * input)
 
 class Decoder(nn.Module):
-    def __init__(self, 
-        input_dim: int, 
-        output_dim: int, 
-        hidden_dim: int = 256) :
-        """
-        最简单的Decoder实现
-        
-        参数:
-            input_dim: 输入维度
-            output_dim: 输出维度
-            hidden_dim: 隐藏层维度 (默认: 256)
-        """
+    def __init__(
+        self,
+        d_in: int,
+        dims_sdf: List[int],
+        skip_in: Tuple[int, ...] = (),
+        flag_convex: bool = True,
+        geometric_init: bool = True,
+        radius_init: float = 1,
+        beta: float = 100,
+    ) -> None:
         super().__init__()
-        
-        # 三层全连接网络
-        self.fc1 = nn.Linear(input_dim, hidden_dim)
-        self.fc2 = nn.Linear(hidden_dim, hidden_dim)
-        self.fc3 = nn.Linear(hidden_dim, output_dim)
+
+        self.flag_convex = flag_convex
+        self.skip_in = skip_in
+
+        dims_sdf = [d_in] + dims_sdf + [1] #[self.n_branch]
+        self.sdf_layers = len(dims_sdf)
+        for layer in range(0, len(dims_sdf) - 1):
+            if layer + 1 in skip_in:
+                out_dim = dims_sdf[layer + 1] - d_in
+            else:
+                out_dim = dims_sdf[layer + 1]
+            lin = nn.Linear(dims_sdf[layer], out_dim)
+            if geometric_init:
+                if layer == self.sdf_layers - 2:
+                    torch.nn.init.normal_(lin.weight, mean=np.sqrt(np.pi) / np.sqrt(dims_sdf[layer]), std=0.00001)
+                    torch.nn.init.constant_(lin.bias, -radius_init)
+                else:
+                    torch.nn.init.constant_(lin.bias, 0.0)
+                    torch.nn.init.normal_(lin.weight, 0.0, np.sqrt(2) / np.sqrt(out_dim))
+            setattr(self, "sdf_"+str(layer), lin)
+        if geometric_init:
+            if beta > 0:
+                self.activation = nn.Softplus(beta=beta)
+            # vanilla relu
+            else:
+                self.activation = nn.ReLU()
+        else:
+            #siren
+            self.activation = Sine()
+        self.final_activation = nn.ReLU()
+
+    # composite f_i to h
     
-    def forward(self, x: Tensor) -> Tensor:
-        """
-        前向传播
+
+
+    def forward(self, feature_matrix: torch.Tensor) -> torch.Tensor:
+        '''
+        :param feature_matrix: 形状为 (B, P, D) 的特征矩阵
+            B: 批大小
+            P: patch volume数量
+            D: 特征维度
+        :return: 
+            f_i: 各patch的SDF值 (B, P)
+        '''
+        B, P, D = feature_matrix.shape
+        
+        # 展平处理 (B*P, D)
+        x = feature_matrix.view(-1, D)
+        
+        for layer in range(0, self.sdf_layers - 1):
+            lin = getattr(self, "sdf_" + str(layer))
+            if layer in self.skip_in:
+                x = torch.cat([x, x], -1) / np.sqrt(2)  # Fix undefined 'input'
+
+            x = lin(x)
+            if layer < self.sdf_layers - 2:
+                x = self.activation(x)
+        output_value = x #all f_i
+        
+        # 恢复维度 (B, P)
+        f_i = output_value.view(B, P)
+
+        return f_i
+
+
+# 一个基础情形： 输入 fi 形状[P] 和 csg tree，凹凸组合输出h
+#注意考虑如何批量处理 (B, P) 和 [csg tree]
+class CSGCombiner:
+    def __init__(self, flag_convex: bool = True, rho: float = 0.05):
+        self.flag_convex = flag_convex
+        self.rho = rho
+
+    def forward(self, f_i: torch.Tensor, csg_tree) -> torch.Tensor:
+        '''
+        :param f_i: 形状为 (B, P) 的各patch SDF值
+        :param csg_tree: CSG树结构
+        :return: 组合后的整体SDF (B,)
+        '''
+        logger.info("\n".join(f"第{i}个csg: {t}" for i,t in enumerate(csg_tree)))
+        B = f_i.shape[0]
+        results = []
+        for i in range(B):
+            # 处理每个样本的CSG组合
+            h = self.nested_cvx_output_soft_blend(
+                f_i[i].unsqueeze(0), 
+                csg_tree,
+                self.flag_convex
+            )
+            results.append(h)
+        
+        return torch.cat(results, dim=0).squeeze(1)  # 从(B,1)变为(B,)
+
+    def nested_cvx_output_soft_blend(
+        self, 
+        value_matrix: torch.Tensor,
+        list_operation: List[Union[int, List]], 
+        cvx_flag: bool = True
+    ) -> torch.Tensor:
+        list_value = []
+        for v in list_operation:
+            if not isinstance(v, list):
+                list_value.append(v)
+        
+        op_mat = torch.zeros(value_matrix.shape[1], len(list_value), 
+                           device=value_matrix.device)
+        for i in range(len(list_value)):
+            op_mat[list_value[i]][i] = 1.0
+
+        mat_mul = torch.matmul(value_matrix, op_mat)
+        if len(list_operation) == len(list_value):
+            return self.max_soft_blend(mat_mul, self.rho) if cvx_flag \
+                   else self.min_soft_blend(mat_mul, self.rho)
         
-        参数:
-            x: 输入张量
-        返回:
-            输出张量
-        """
-        # 第一层
-        h = F.relu(self.fc1(x))
-        # 第二层
-        h = F.relu(self.fc2(h))
-        # 输出层
-        out = self.fc3(h)
+        list_output = [mat_mul]
+        for v in list_operation:
+            if isinstance(v, list):
+                list_output.append(
+                    self.nested_cvx_output_soft_blend(
+                        value_matrix, v, not cvx_flag
+                    )
+                )
         
-        return out
\ No newline at end of file
+        return self.max_soft_blend(torch.cat(list_output, 1), self.rho) if cvx_flag \
+               else self.min_soft_blend(torch.cat(list_output, 1), self.rho)
+
+    def min_soft_blend(self, mat, rho):
+        res = mat[:,0]
+        for i in range(1, mat.shape[1]):
+            srho = res * res + mat[:,i] * mat[:,i] - rho * rho
+            res = res + mat[:,i] - torch.sqrt(res * res + mat[:,i] * mat[:,i] + 1.0/(8 * rho * rho) * srho * (srho - srho.abs()))
+        return res.unsqueeze(1)
+
+    def max_soft_blend(self, mat, rho):
+        res = mat[:,0]
+        for i in range(1, mat.shape[1]):
+            srho = res * res + mat[:,i] * mat[:,i] - rho * rho
+            res = res + mat[:,i] + torch.sqrt(res * res + mat[:,i] * mat[:,i] + 1.0/(8 * rho * rho) * srho * (srho - srho.abs()))
+        return res.unsqueeze(1)
+
+
+def test_csg_combiner():
+    # 测试数据 (B=3, P=5)
+    f_i = torch.tensor([
+        [1.0, 2.0, 3.0, 4.0, 5.0],
+        [0.5, 1.5, 2.5, 3.5, 4.5],
+        [-1.0, 0.0, 1.0, 2.0, 3.0]
+    ])
+    
+    # 每个样本使用不同的CSG树结构
+    csg_trees = [
+        [0, [1, 2]],     # 使用索引0,1,2
+        [[0, 1], 3],     # 使用索引0,1,3
+        [0, 1, [2, 4]]   # 使用索引0,1,2,4
+    ]
+    
+    # 验证所有索引都有效
+    P = f_i.shape[1]
+    for i, tree in enumerate(csg_trees):
+        def check_indices(node):
+            if isinstance(node, list):
+                for n in node:
+                    check_indices(n)
+            else:
+                assert node < P, f"样本{i}的树包含无效索引{node}，P={P}"
+        check_indices(tree)
+    
+    print("Input SDF values:")
+    print(f_i)
+    print("\nCSG Trees:")
+    for i, tree in enumerate(csg_trees):
+        print(f"Sample {i}: {tree}")
+    
+    # 测试凸组合
+    print("\nTesting convex combination:")
+    combiner_convex = CSGCombiner(flag_convex=True)
+    h_convex = combiner_convex.forward(f_i, csg_trees)
+    print("Results:", h_convex)
+    
+    # 测试凹组合 
+    print("\nTesting concave combination:")
+    combiner_concave = CSGCombiner(flag_convex=False)
+    h_concave = combiner_concave.forward(f_i, csg_trees)
+    print("Results:", h_concave)
+    
+    # 测试不同rho值的软混合
+    print("\nTesting soft blends:")
+    for rho in [0.01, 0.1, 0.5]:
+        combiner_soft = CSGCombiner(flag_convex=True, rho=rho)
+        h_soft = combiner_soft.forward(f_i, csg_trees)
+        print(f"rho={rho}:", h_soft)
+
+if __name__ == "__main__":
+    test_csg_combiner()
\ No newline at end of file
diff --git a/brep2sdf/networks/encoder.py b/brep2sdf/networks/encoder.py
index 6d3ddcf..03d2c53 100644
--- a/brep2sdf/networks/encoder.py
+++ b/brep2sdf/networks/encoder.py
@@ -2,72 +2,89 @@ import torch
 import torch.nn as nn
 
 from .octree import OctreeNode
+from .feature_volume import PatchFeatureVolume
 from brep2sdf.utils.logger import logger
 
 class Encoder(nn.Module):
-    def __init__(self, octree: OctreeNode, feature_dim: int = 32):
+    def __init__(self, volume_bboxs:torch.tensor, feature_dim: int = 32):
         """
         分离后的编码器，接收预构建的八叉树
         
         参数:
-            octree: 预构建的八叉树结构
+            volume_bboxs: 所有面片的边界框集合，形状为 (N, 2, 3)
             feature_dim: 特征维度
         """
         super().__init__()
         self.feature_dim = feature_dim
         
-        # 初始化叶子节点参数
-        self.register_buffer('num_parameters', torch.tensor(0, dtype=torch.long))
-        self._leaf_features = None  # 将在_init_parameters中初始化
-        self._init_parameters(octree)
-
-    def _init_parameters(self,octree):
-        stack = [(octree, 0)]
-        param_count = 0
-
-        while stack:
-            node, _ = stack.pop()
-            if node._is_leaf:
-                param_count += 1
-            else:
-                for child in node.child_nodes:
-                    if child: stack.append((child, 0))
+        # 批量计算所有bbox的分辨率
+        resolutions = self._batch_calculate_resolution(volume_bboxs)
+        
+        # 初始化多个特征体积
+        self.feature_volumes = nn.ModuleList([
+            PatchFeatureVolume(
+                bbox=bbox,                
+                resolution=int(resolutions[i]),
+                feature_dim=feature_dim
+            ) for i, bbox in enumerate(volume_bboxs)
+        ])
+        print(f"Initialized {len(self.feature_volumes)} feature volumes with resolutions: {resolutions.tolist()}")
+        print(f"Model parameters memory usage: {sum(p.numel() * p.element_size() for p in self.parameters()) / 1024**2:.2f} MB")
 
-        # 初始化连续参数张量
-        self._leaf_features = nn.Parameter(
-            torch.randn(param_count, 8, self.feature_dim))
+    def _batch_calculate_resolution(self, bboxes: torch.Tensor) -> torch.Tensor:
+        """
+        批量计算归一化bboxes的分辨率
         
-        # 重新遍历设置索引
-        stack = [(octree, 0)]
-        index = 0
-        while stack:
-            node, _ = stack.pop()
-            if node._is_leaf:
-                node.set_param_key(index)
-                index += 1
-            else:
-                for child in node.child_nodes:
-                    if child: stack.append((child, 0))
-        self.num_parameters.fill_(index)
+        参数:
+            bboxes: 归一化边界框张量，形状为 (N, 2, 3)
+        
+        返回:
+            分辨率张量 (N,)
+        """            
+        with torch.no_grad():
+            # 计算每个bbox的对角线长度（归一化后范围约为0.0-1.732）
+            diagonals = torch.norm(bboxes[:,3:6] - bboxes[:,0:3], dim=1)
+            
+            # 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
+            
+            return resolutions
 
-    def forward(self, query_points: torch.Tensor,param_indices,bboxes) -> torch.Tensor:
-        batch_size = query_points.shape[0]
-      
-        # 批量获取特征
-        unique_ids, inverse_ids = torch.unique(param_indices, return_inverse=True)
-        all_features = self._leaf_features[unique_ids]  # (U, 8, D)
-        node_features = all_features[inverse_ids]       # (B, 8, D)
 
-        # 启用混合精度和优化后的插值
-        with torch.cuda.amp.autocast():
-            features = self._optimized_trilinear(
-                query_points, 
-                bboxes.detach(),
-                node_features
-            )
+    def forward(self, query_points: torch.Tensor, volume_indices: torch.Tensor) -> torch.Tensor:
+        """
+        修改后的前向传播，返回所有关联volume的特征矩阵
+        
+        参数:
+            query_points: 查询点坐标 (B, 3)
+            volume_indices: 关联的volume索引矩阵 (B, K) 
         
-        # 添加类型转换确保输出为float32
-        return features.to(torch.float32)  # 添加这行
+        返回:
+            特征张量 (B, K, D)
+        """
+        batch_size, num_volumes = volume_indices.shape
+        all_features = torch.zeros(batch_size, num_volumes, self.feature_dim, 
+                                  device=query_points.device)
+        
+        # 遍历每个volume索引
+        for k in range(num_volumes):
+            # 获取当前volume的索引 (B,)
+            current_indices = volume_indices[:, k]
+            
+            # 遍历所有存在的volume
+            for vol_id in range(len(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 = self.feature_volumes[vol_id](query_points[mask])
+                    all_features[mask, k] = features
+                    
+        return all_features
+      
 
     def _optimized_trilinear(self, points, bboxes, features):
         """优化后的向量化三线性插值"""
diff --git a/brep2sdf/networks/feature_volume.py b/brep2sdf/networks/feature_volume.py
index 52caa21..7257a14 100644
--- a/brep2sdf/networks/feature_volume.py
+++ b/brep2sdf/networks/feature_volume.py
@@ -4,50 +4,72 @@ import torch
 import torch.nn as nn
 
 class PatchFeatureVolume(nn.Module):
-    def __init__(self, bbox:np, resolution=64, feature_dim=64):
+    def __init__(self, bbox: torch.Tensor, resolution=64, feature_dim=64, padding_ratio=0.05):
         super(PatchFeatureVolume, self).__init__()
-        self.bbox = bbox  # 补丁的边界框
-        self.resolution = resolution  # 网格分辨率
-        self.feature_dim = feature_dim  # 特征向量维度
-        
+        # 将输入bbox转换为[min, max]格式
+        self.resolution = resolution
+        min_coords = bbox[:3]
+        max_coords = bbox[3:]
+        self.original_bbox = torch.stack([min_coords, max_coords])
+        expanded_bbox = self._expand_bbox(min_coords, max_coords, padding_ratio)
         # 创建规则的三维网格
-        x = torch.linspace(bbox[0][0], bbox[1][0], resolution)
-        y = torch.linspace(bbox[0][1], bbox[1][1], resolution)
-        z = torch.linspace(bbox[0][2], bbox[1][2], resolution)
+        x = torch.linspace(expanded_bbox[0][0], expanded_bbox[1][0], resolution)
+        y = torch.linspace(expanded_bbox[0][1], expanded_bbox[1][1], resolution)
+        z = torch.linspace(expanded_bbox[0][2], expanded_bbox[1][2], resolution)
         grid_x, grid_y, grid_z = torch.meshgrid(x, y, z)
         self.register_buffer('grid', torch.stack([grid_x, grid_y, grid_z], dim=-1))
         
-        # 初始化特征向量，作为可训练参数
+        # 初始化特征向量
         self.feature_volume = nn.Parameter(torch.randn(resolution, resolution, resolution, feature_dim))
 
-    def forward(self, query_points: List[Tuple[float, float, float]]):
+    def _expand_bbox(self, min_coords, max_coords, ratio):
+        # 扩展包围盒范围
+        center = (min_coords + max_coords) / 2
+        expanded_min = center - (center - min_coords) * (1 + ratio)
+        expanded_max = center + (max_coords - center) * (1 + ratio)
+        return torch.stack([expanded_min, expanded_max])
+
+    def forward(self, query_points: torch.Tensor) -> torch.Tensor:
+        """批量处理版本的三线性插值
+        Args:
+            query_points: 形状为 (B, 3) 的查询点坐标
+        Returns:
+            形状为 (B, D) 的特征向量
         """
-        根据查询点的位置，从补丁特征体积中获取插值后的特征向量。
+        # 添加类型转换确保计算稳定性
+        normalized = ((query_points - self.grid[0,0,0]) / 
+                     (self.grid[-1,-1,-1] - self.grid[0,0,0] + 1e-8))  # (B,3)
         
-        :param query_points: 查询点的位置坐标，形状为 (N, 3)
-        :return: 插值后的特征向量，形状为 (N, feature_dim)
-        """
-        interpolated_features = torch.zeros(query_points.shape[0], self.feature_dim).to(self.feature_volume.device)
-        for i, point in enumerate(query_points):
-            interpolated_feature = self.trilinear_interpolation(point)
-            interpolated_features[i] = interpolated_feature
-        return interpolated_features
-    
-    def trilinear_interpolation(self, query_point):
-        """三线性插值"""
-        normalized_coords = ((query_point - torch.tensor(self.bbox[0]).to(self.grid.device)) /
-                             (torch.tensor(self.bbox[1]).to(self.grid.device) - torch.tensor(self.bbox[0]).to(self.grid.device))) * (self.resolution - 1)
-        indices = torch.floor(normalized_coords).long()
-        weights = normalized_coords - indices.float()
+        # 向量化三线性插值
+        return self._batched_trilinear(normalized)
 
-        interpolated_feature = torch.zeros(self.feature_dim).to(self.feature_volume.device)
-        for di in range(2):
-            for dj in range(2):
-                for dk in range(2):
-                    weight = (weights[0] if di == 1 else 1 - weights[0]) * \
-                             (weights[1] if dj == 1 else 1 - weights[1]) * \
-                             (weights[2] if dk == 1 else 1 - weights[2])
-                    index = indices + torch.tensor([di, dj, dk]).to(indices.device)
-                    index = torch.clamp(index, 0, self.resolution - 1)
-                    interpolated_feature += weight * self.feature_volume[index[0], index[1], index[2]]
-        return interpolated_feature
\ No newline at end of file
+    def _batched_trilinear(self, normalized: torch.Tensor) -> torch.Tensor:
+        """批量处理的三线性插值"""
+        # 计算8个顶点的权重
+        uvw = normalized * (self.resolution - 1)
+        indices = torch.floor(uvw).long()  # (B,3)
+        weights = uvw - indices.float()    # (B,3)
+        
+        # 计算8个顶点的权重组合 (B,8)
+        weights = torch.stack([
+            (1 - weights[...,0]) * (1 - weights[...,1]) * (1 - weights[...,2]),
+            (1 - weights[...,0]) * (1 - weights[...,1]) * weights[...,2],
+            (1 - weights[...,0]) * weights[...,1] * (1 - weights[...,2]),
+            (1 - weights[...,0]) * weights[...,1] * weights[...,2],
+            weights[...,0] * (1 - weights[...,1]) * (1 - weights[...,2]),
+            weights[...,0] * (1 - weights[...,1]) * weights[...,2],
+            weights[...,0] * weights[...,1] * (1 - weights[...,2]),
+            weights[...,0] * weights[...,1] * weights[...,2],
+        ], dim=-1)  # (B,8)
+
+        # 获取8个顶点的特征 (B,8,D)
+        indices = indices.unsqueeze(1).expand(-1,8,-1) + torch.tensor([
+            [0,0,0], [0,0,1], [0,1,0], [0,1,1],
+            [1,0,0], [1,0,1], [1,1,0], [1,1,1]
+        ], device=indices.device)
+        indices = torch.clamp(indices, 0, self.resolution-1)
+        
+        features = self.feature_volume[indices[...,0], indices[...,1], indices[...,2]]  # (B,8,D)
+        
+        # 加权求和 (B,D)
+        return torch.einsum('bnd,bn->bd', features, weights)
\ No newline at end of file
diff --git a/brep2sdf/networks/network.py b/brep2sdf/networks/network.py
index 10c8f25..15e0c64 100644
--- a/brep2sdf/networks/network.py
+++ b/brep2sdf/networks/network.py
@@ -49,11 +49,13 @@ import torch
 import torch.nn as nn
 from torch.autograd import grad
 from .encoder import Encoder
-from .decoder import Decoder
+from .decoder import Decoder, CSGCombiner
+from brep2sdf.utils.logger import logger
 
 class Net(nn.Module):
     def __init__(self, 
                  octree,
+                 volume_bboxs,
                  feature_dim=64, 
                  decoder_input_dim=64, 
                  decoder_output_dim=1, 
@@ -69,11 +71,18 @@ class Net(nn.Module):
         # 初始化 Encoder
         self.encoder = Encoder(
             feature_dim=feature_dim,
-            octree=octree
+            volume_bboxs= volume_bboxs
         )
         
         # 初始化 Decoder
-        self.decoder = Decoder(input_dim=64, output_dim=1)
+        self.decoder = Decoder(
+            d_in=decoder_input_dim,
+            dims_sdf=[decoder_hidden_dim] * decoder_num_layers,
+            geometric_init=True,
+            beta=100
+        )
+
+        self.csg_combiner = CSGCombiner(flag_convex=True)
     
     def forward(self, query_points):
         """
@@ -85,14 +94,16 @@ class Net(nn.Module):
             output: 解码后的输出结果
         """
         # 批量查询所有点的索引和bbox
-        param_indices,bboxes = self.octree_module.forward(query_points)
-        print("param_indices requires_grad:", param_indices.requires_grad)  # 应该输出False
-        print("bboxes requires_grad:", bboxes.requires_grad)  # 应该输出False
+        _,face_indices,csg_trees = self.octree_module.forward(query_points)
         # 编码
-        feature_vector = self.encoder.forward(query_points,param_indices,bboxes)
-        print("feature_vector:", feature_vector.requires_grad) 
+        feature_vectors = self.encoder.forward(query_points,face_indices)
+        #print("feature_vector:", feature_vectors.requires_grad) 
         # 解码
-        output = self.decoder(feature_vector)
+        logger.gpu_memory_stats("encoder farward后")
+        f_i = self.decoder(feature_vectors)
+        logger.gpu_memory_stats("decoder farward后")
+        output = self.csg_combiner.forward(f_i, csg_trees)
+        logger.gpu_memory_stats("combine后")
         return output
 
 
diff --git a/brep2sdf/networks/octree.py b/brep2sdf/networks/octree.py
index 4c8f3c9..18a46ac 100644
--- a/brep2sdf/networks/octree.py
+++ b/brep2sdf/networks/octree.py
@@ -4,12 +4,14 @@ import torch
 import torch.nn as nn
 import numpy as np
 
+from brep2sdf.data.utils import  process_surf_ncs_with_dynamic_padding
 from brep2sdf.networks.patch_graph import PatchGraph
+from brep2sdf.utils.logger import logger
 
 
 
 
-def bbox_intersect(bbox1: torch.Tensor, bbox2: torch.Tensor) -> torch.Tensor:
+def bbox_intersect_(bbox1: torch.Tensor, bbox2: torch.Tensor) -> torch.Tensor:
     """判断两个轴对齐包围盒(AABB)是否相交
     
     参数:
@@ -28,8 +30,90 @@ def bbox_intersect(bbox1: torch.Tensor, bbox2: torch.Tensor) -> torch.Tensor:
     # 向量化比较
     return torch.all((max1 >= min2) & (max2 >= min1))
 
+def if_points_in_box(points: np.ndarray, bbox: torch.Tensor) -> bool:
+    """判断点是否在AABB包围盒内
+
+    参数:
+        points: 形状为 (N, 3) 的数组，表示N个点的坐标
+        bbox: 形状为 (6,) 的张量，表示AABB包围盒的坐标
+
+    返回: 
+        bool: 如果所有点都在包围盒内，返回True，否则返回False
+    """
+    # 将 points 转换为 torch.Tensor
+    points_tensor = torch.tensor(points, dtype=torch.float32, device=bbox.device)
+
+    # 提取min和max坐标
+    min_coords = bbox[:3]
+    max_coords = bbox[3:]
+    #logger.debug(f"min_coords: {min_coords}, max_coords: {max_coords}")
+    # 向量化比较
+    return torch.any((points_tensor >= min_coords) & (points_tensor <= max_coords)).item()
+
+def bbox_intersect(
+    surf_bboxes: torch.Tensor, 
+    indices: torch.Tensor, 
+    child_bboxes: torch.Tensor, 
+    surf_points: torch.Tensor = None
+) -> torch.Tensor:
+    '''
+    args:
+        surf_bboxes: [B, 6] - 表示多个包围盒的张量，每个包围盒由其最小和最大坐标定义。
+        indices: 选择bbox, [N], N <= B - 用于选择特定包围盒的索引张量。
+        child_bboxes: [8, 6] - 一个包围盒被分成八个子包围盒后的结果。
+        surf_points: [B, M_max, 3] - 每个包围盒对应的点云数据（可选）。
+    return:
+        result_mask: [8, B] - 布尔掩码，表示每个子边界框与所有包围盒是否相交，
+                              且是否包含至少一个点（如果提供了点云）。
+    '''
+    # 初始化全为 False 的结果掩码 [8, B]
+    B = surf_bboxes.size(0)
+    result_mask = torch.zeros((8, B), dtype=torch.bool).to(surf_bboxes.device)
+    logger.debug(result_mask.shape)
+    logger.debug(indices.shape)
+
+    # 提取选中的边界框
+    selected_bboxes = surf_bboxes[indices]  # 形状为 [N, 6]
+    min1, max1 = selected_bboxes[:, :3], selected_bboxes[:, 3:]  # 形状为 [N, 3]
+    min2, max2 = child_bboxes[:, :3], child_bboxes[:, 3:]  # 形状为 [8, 3]
+
+    logger.debug(selected_bboxes.shape)
+    # 计算子包围盒与选中包围盒的交集
+    intersect_mask = torch.all(
+        (max1.unsqueeze(0) >= min2.unsqueeze(1)) &  # 形状为 [8, N, 3]
+        (max2.unsqueeze(1) >= min1.unsqueeze(0)),   # 形状为 [8, N, 3]
+        dim=-1
+    )  # 最终形状为 [8, N]
+
+    # 更新结果掩码中选中的部分
+    result_mask[:, indices] = intersect_mask
+
+    # 如果提供了点云，进一步检查点是否在子包围盒内
+    if surf_points is not None:
+        # 提取选中的点云
+        selected_points = surf_points[indices]  # 形状为 [N, M_max, 3]
+
+        # 将点云广播到子边界框的维度
+        points_expanded = selected_points.unsqueeze(1)  # 形状为 [N, 1, M_max, 3]
+        min2_expanded = min2.unsqueeze(0).unsqueeze(2)  # 形状为 [1, 8, 1, 3]
+        max2_expanded = max2.unsqueeze(0).unsqueeze(2)  # 形状为 [1, 8, 1, 3]
+
+        # 判断点是否在子边界框内
+        point_in_box_mask = (
+            (points_expanded >= min2_expanded) &  # 形状为 [N, 8, M_max, 3]
+            (points_expanded <= max2_expanded)    # 形状为 [N, 8, M_max, 3]
+        ).all(dim=-1)  # 最终形状为 [N, 8, M_max]
+
+        # 检查每个子边界框是否包含至少一个点
+        points_in_boxes_mask = point_in_box_mask.any(dim=-1).permute(1, 0)  # 形状为 [8, N]
+
+        # 合并交集条件和点云条件
+        result_mask[:, indices] = result_mask[:, indices] & points_in_boxes_mask
+    logger.debug(result_mask.shape)
+    return result_mask
+  
 class OctreeNode(nn.Module):
-    def __init__(self, bbox: torch.Tensor, face_indices: np.ndarray, max_depth: int = 5, surf_bbox: torch.Tensor = None, patch_graph: PatchGraph = None,device=None):
+    def __init__(self, bbox: torch.Tensor, face_indices: np.ndarray, max_depth: int = 5, surf_bbox: torch.Tensor = None, patch_graph: PatchGraph = None,surf_ncs:np.ndarray = None,device=None):
         super().__init__()
         self.device = device or torch.device('cuda' if torch.cuda.is_available() else 'cpu')
         # 改为普通张量属性
@@ -39,52 +123,43 @@ class OctreeNode(nn.Module):
         self.child_indices = None 
         self.is_leaf_mask = None  
         # 面片索引张量
-        self.face_indices = torch.from_numpy(face_indices).to(self.device)
+        self.all_face_indices = torch.from_numpy(face_indices).to(self.device)
         self.surf_bbox = surf_bbox.to(self.device) if surf_bbox is not None else None
-                
+        self.surf_ncs =  process_surf_ncs_with_dynamic_padding(surf_ncs).to(self.device)       
         # PatchGraph作为普通属性
         self.patch_graph = patch_graph.to(self.device) if patch_graph is not None else None
         
         self.max_depth = max_depth
-        # 参数键改为普通张量
-        self.param_key = torch.tensor(-1, dtype=torch.long, device=self.device)
         self._is_leaf = True
 
-        # 删除所有register_buffer调用
-
-    @torch.jit.export
-    def set_param_key(self, k: int) -> None:
-        """设置参数键值
-        
-        参数:
-            k: 参数索引值
-        """
-        self.param_key.fill_(k)
-
     @torch.jit.export
     def build_static_tree(self) -> None:
         """构建静态八叉树结构"""
         # 预计算所有可能的节点数量，确保结果为整数
         total_nodes = int(sum(8**i for i in range(self.max_depth + 1)))
+        num_faces = self.all_face_indices.shape[0]
         
         # 初始化静态张量，使用整数列表作为形状参数
         self.node_bboxes = torch.zeros([int(total_nodes), 6], device=self.device)
         self.parent_indices = torch.full([int(total_nodes)], -1, dtype=torch.long, device=self.device)
         self.child_indices = torch.full([int(total_nodes), 8], -1, dtype=torch.long, device=self.device)
-        self.is_leaf_mask = torch.zeros([int(total_nodes)], dtype=torch.bool, device=self.device)
+        self.face_indices_mask = torch.zeros([int(total_nodes),num_faces], dtype=torch.bool, device=self.device) # 1 代表有
+        self.is_leaf_mask = torch.ones([int(total_nodes)], dtype=torch.bool, device=self.device)
         # 使用队列进行广度优先遍历
-        queue = [(0, self.bbox, self.face_indices)]  # (node_idx, bbox, face_indices)
+        queue = [(0, self.bbox, self.all_face_indices)]  # (node_idx, bbox, face_indices)
         current_idx = 0
         
         while queue:
             node_idx, bbox, faces = queue.pop(0)
+            
+            #logger.debug(f"Processing node {node_idx} with {len(faces)} faces.")
             self.node_bboxes[node_idx] = bbox
             
             # 判断 要不要继续分裂
-            if not self._should_split_node(current_idx):
-                self.is_leaf_mask[node_idx] = True
+            if not self._should_split_node(current_idx, faces, total_nodes):
                 continue
-                
+            
+            self.is_leaf_mask[node_idx] = 0
             # 计算子节点边界框
             min_coords = bbox[:3]
             max_coords = bbox[3:]
@@ -92,36 +167,35 @@ class OctreeNode(nn.Module):
             
             # 生成8个子节点
             child_bboxes = self._generate_child_bboxes(min_coords, mid_coords, max_coords)
+            intersect_mask = bbox_intersect(self.surf_bbox, faces, child_bboxes)
+            self.face_indices_mask[current_idx + 1:current_idx + 9, :] = intersect_mask
             
             # 为每个子节点分配面片
             for i, child_bbox in enumerate(child_bboxes):
-                child_idx = current_idx + 1
-                current_idx += 1
-                
-                # 找到与子包围盒相交的面
-                intersecting_faces = []
-                for face_idx in faces:
-                    face_bbox = self.surf_bbox[face_idx]
-                    if bbox_intersect(child_bbox, face_bbox).item():
-                        intersecting_faces.append(face_idx)
+                child_idx = child_idx = current_idx + i + 1
                 
+                intersecting_faces = intersect_mask[i].nonzero().flatten()
+                #logger.debug(f"Node {child_idx} has {len(intersecting_faces)} intersecting faces.")
                 # 更新节点关系
                 self.parent_indices[child_idx] = node_idx
                 self.child_indices[node_idx, i] = child_idx
                 
                 # 将子节点加入队列
-                if intersecting_faces:
-                    queue.append((child_idx, child_bbox, torch.tensor(intersecting_faces, device=self.device)))
+                if len(intersecting_faces) > 0:
+                    queue.append((child_idx, child_bbox, intersecting_faces.clone().detach()))
+            current_idx += 8
 
-    def _should_split_node(self, current_depth: int) -> bool:
+    def _should_split_node(self, current_idx: int,face_indices,max_node:int) -> bool:
         """判断节点是否需要分裂"""
         # 检查是否达到最大深度
-        if current_depth >= self.max_depth:
+        if current_idx + 8 >= max_node:
             return False
             
         # 检查是否为完全图
-        is_clique = self.patch_graph.is_clique(self.face_indices)
+        #is_clique = self.patch_graph.is_clique(face_indices)
+        is_clique = face_indices.shape[0] < 2
         if is_clique:
+            #logger.debug(f"Node {current_idx} is a clique. Stopping split.")
             return False
             
         return True
@@ -153,9 +227,9 @@ class OctreeNode(nn.Module):
     @torch.jit.export
     def find_leaf(self, query_points: torch.Tensor) -> Tuple[torch.Tensor, torch.Tensor, bool]:
         """
-        查找包含给定点的叶子节点，并返回其信息
+        修改后的查找叶子节点方法，返回face indices
         :param query_points: 待查找的点，形状为 (3,)
-        :return: 包含叶子节点信息的元组 (bbox, param_key, is_leaf)
+        :return: (bbox, param_key, face_indices, is_leaf)
         """
         # 确保输入是单个点
         if query_points.dim() != 1 or query_points.shape[0] != 3:
@@ -168,7 +242,28 @@ class OctreeNode(nn.Module):
         while iteration < max_iterations:
             # 获取当前节点的叶子状态
             if self.is_leaf_mask[current_idx].item():
-                return self.node_bboxes[current_idx], self.param_key, True
+                #logger.debug(f"Reached leaf node {current_idx}, with {self.face_indices_mask[current_idx].sum()} faces.")
+                if self.face_indices_mask[current_idx].sum() == 0:
+                    parent_idx = self.parent_indices[current_idx]
+                    #logger.debug(f"Use parent node {parent_idx}, with {self.face_indices_mask[parent_idx].sum()} faces.")
+                    if parent_idx == -1:
+                        # 根节点没有父节点，返回根节点的信息
+                        #logger.warning(f"Reached root node {current_idx}, with {self.face_indices_mask[current_idx].sum()} faces.")
+                        return (
+                            self.node_bboxes[current_idx],
+                            None,  # 新增返回face indices
+                            False
+                        )
+                    return (
+                        self.node_bboxes[parent_idx],
+                        self.face_indices_mask[parent_idx],  # 新增返回face indices
+                        False
+                    )
+                return (
+                    self.node_bboxes[current_idx],
+                    self.face_indices_mask[current_idx],  # 新增返回face indices
+                    True
+                )
             
             # 计算子节点索引
             child_idx = self._get_child_indices(query_points.unsqueeze(0), 
@@ -185,7 +280,7 @@ class OctreeNode(nn.Module):
             iteration += 1
             
         # 如果达到最大迭代次数，返回当前节点的信息
-        return self.node_bboxes[current_idx], self.param_key, bool(self.is_leaf_mask[current_idx].item())
+        return self.node_bboxes[current_idx], None,bool(self.is_leaf_mask[current_idx].item())
 
     @torch.jit.export
     def _get_child_indices(self, points: torch.Tensor, bboxes: torch.Tensor) -> torch.Tensor:
@@ -195,43 +290,70 @@ class OctreeNode(nn.Module):
 
     def forward(self, query_points):
         with torch.no_grad():
-            param_indices, bboxes = [], []
+            bboxes, face_indices_mask, csg_trees = [], [], []
             for point in query_points:
-                bbox, idx, _ = self.find_leaf(point)
-                param_indices.append(idx)
+                bbox,  faces_mask, _ = self.find_leaf(point)
                 bboxes.append(bbox)
-            param_indices = torch.stack(param_indices)
-            bboxes = torch.stack(bboxes)
-            # 添加检查代码
-            return param_indices, bboxes
+                face_indices_mask.append(faces_mask)
+                # 获取当前节点的CSG树结构
+                csg_tree = self.patch_graph.get_csg_tree(faces_mask) if self.patch_graph else None
+                csg_trees.append(csg_tree)  # 保持原始列表结构
+            return (
+                torch.stack(bboxes),
+                torch.stack(face_indices_mask),
+                csg_trees  # 直接返回列表，不转换为张量
+            )
 
-    def print_tree(self, depth: int = 0, max_print_depth: int = None) -> None:
+    def print_tree(self, max_print_depth: int = None) -> None:
         """
-        递归打印八叉树结构
+        使用深度优先遍历 (DFS) 打印树结构，父子关系通过缩进体现。
         
         参数:
-            depth: 当前深度 (内部使用)
-            max_print_depth: 最大打印深度 (None表示打印全部)
+            max_print_depth (int): 最大打印深度 (None 表示打印全部)
         """
-        if max_print_depth is not None and depth > max_print_depth:
-            return
+        def dfs(node_idx: int, depth: int):
+            """
+            深度优先遍历辅助函数。
             
-        # 打印当前节点信息
-        indent = "  " * depth
-        node_type = "Leaf" if self._is_leaf else "Internal"
-        print(f"{indent}L{depth} [{node_type}] BBox: {self.bbox.cpu().numpy().tolist()}")
-        
-        # 打印面片信息（如果有）
-        if self.face_indices is not None:
-            print(f"{indent}  Face indices: {self.face_indices.cpu().numpy().tolist()}")
-            print(f"{indent}  Child indices: {self.child_indices.cpu().numpy().tolist()}")
-        
-        # 打印子节点信息
-        if self.child_indices is not None:
-            for i in range(8):
-                child_idx = self.child_indices[0, i].item()
-                if child_idx != -1:
-                    print(f"{indent}  Child {i}: Node {child_idx}")
+            参数:
+                node_idx (int): 当前节点索引
+                depth (int): 当前节点的深度
+            """
+            # 如果超过最大打印深度，跳过当前节点及其子节点
+            if max_print_depth is not None and depth > max_print_depth:
+                return
+
+            indent = "  " * depth  # 根据深度生成缩进
+            is_leaf = self.is_leaf_mask[node_idx].item()  # 判断是否为叶子节点
+            bbox = self.node_bboxes[node_idx].cpu().numpy().tolist()  # 获取边界框信息
+
+            # 打印当前节点的基本信息
+            node_type = "Leaf" if is_leaf else "Internal"
+            log_lines.append(f"{indent}L{depth} [{node_type}] NODE_ID-{node_idx}, BBox: {bbox}")
+            if self.face_indices_mask is not None:
+                face_indices = self.face_indices_mask[node_idx].nonzero().cpu().numpy().flatten().tolist()
+                log_lines.append(f"{indent}  Face Indices: {face_indices}")
+            # 如果是叶子节点，打印额外信息
+            if is_leaf:
+                
+                child_indices = self.child_indices[node_idx].cpu().numpy().tolist()
+                log_lines.append(f"{indent}  Child Indices: {child_indices}")
+
+            # 如果不是叶子节点，递归处理子节点
+            if not is_leaf:
+                for i in range(8):  # 遍历所有子节点
+                    child_idx = self.child_indices[node_idx, i].item()
+                    if child_idx != -1:  # 忽略无效的子节点索引
+                        dfs(child_idx, depth + 1)
+
+        # 初始化日志行列表
+        log_lines = []
+
+        # 从根节点开始深度优先遍历
+        dfs(0, 0)
+
+        # 统一输出所有日志
+        logger.debug("\n".join(log_lines))
 
     def __getstate__(self):
         """支持pickle序列化"""
@@ -245,7 +367,6 @@ class OctreeNode(nn.Module):
             'surf_bbox': self.surf_bbox,
             'patch_graph': self.patch_graph,
             'max_depth': self.max_depth,
-            'param_key': self.param_key,
             '_is_leaf': self._is_leaf
         }
         return state
@@ -261,7 +382,6 @@ class OctreeNode(nn.Module):
         self.surf_bbox = state['surf_bbox']
         self.patch_graph = state['patch_graph']
         self.max_depth = state['max_depth']
-        self.param_key = state['param_key']
         self._is_leaf = state['_is_leaf']
     
     def to(self, device=None, dtype=None, non_blocking=False):
diff --git a/brep2sdf/networks/patch_graph.py b/brep2sdf/networks/patch_graph.py
index 914193e..0239942 100644
--- a/brep2sdf/networks/patch_graph.py
+++ b/brep2sdf/networks/patch_graph.py
@@ -2,6 +2,7 @@ from typing import Tuple
 import torch
 import torch.nn as nn
 import numpy as np
+from brep2sdf.utils.logger import logger
 
 class PatchGraph(nn.Module):
     def __init__(self, num_patches: int, device: torch.device = None):
@@ -56,13 +57,45 @@ class PatchGraph(nn.Module):
         
         return subgraph_edges, subgraph_types
 
-
+    def get_csg_tree(self, node_faces_mask: torch.Tensor):
+        """生成CSG组合树结构
+        参数:
+            node_faces: 要处理的面片索引集合，形状为 (N,)
+        返回:
+            嵌套列表结构，表示CSG组合层次
+        示例:
+            [[0, [1,2]], 3] 表示0与(1和2的组合)进行凹组合，然后与3进行凸组合
+        """
+        print("node_faces_mask:", node_faces_mask)
+        if self.edge_index is None:
+            return []
+        node_faces = node_faces_mask.nonzero()
+        node_faces = node_faces.flatten().to('cpu').numpy()
+        logger.debug(f"node_faces: {node_faces}")
+        node_set = set(node_faces)  # 创建输入面片的集合用于快速查找
+        visited = set()
+        csg_tree = []
+        
+        # 优先处理凹边连接
+        concave_edges = self.edge_index[:, self.edge_type == 0].cpu().numpy().T
+        for u, v in concave_edges:
+            u, v = int(u), int(v)
+            if u in node_set and v in node_set and u not in visited and v not in visited:
+                csg_tree.append([u, v])
+                visited.update({u, v})
+        
+        # 处理剩余面片(只包含输入的面片)
+        remaining = [int(f) for f in node_faces if f not in visited]
+        csg_tree.extend(remaining)
+        
+        return csg_tree
         
     def is_clique(self, node_faces: torch.Tensor) -> bool:
         """检查给定面片集合是否构成完全图
         
         参数:
             node_faces: 要检查的面片索引集合
+            face： [0,1,2,3,4,]
             
         返回:
             bool: 是否为完全图
diff --git a/brep2sdf/test.py b/brep2sdf/test.py
index 498d4b8..4266e2c 100644
--- a/brep2sdf/test.py
+++ b/brep2sdf/test.py
@@ -1,4 +1,69 @@
 import torch
 
-model = torch.jit.load("/home/wch/brep2sdf/data/output_data/00000054.pt")
-print(model)
\ No newline at end of file
+from typing import List, Tuple
+
+def bbox_intersect(surf_bboxes: torch.Tensor, indices: torch.Tensor, child_bboxes: torch.Tensor) -> torch.Tensor:
+    '''
+    args:
+        surf_bboxes: [B, 6] - 表示多个包围盒的张量，每个包围盒由其最小和最大坐标定义。
+        indices: 选择bbox, [N], N <= B - 用于选择特定包围盒的索引张量。
+        child_bboxes: [8, 6] - 一个包围盒被分成八个子包围盒后的结果。
+    return:
+        intersect_mask: [8, N] - 布尔掩码，表示每个子包围盒与选择的包围盒是否相交。
+    '''
+    # 提取选中的边界框
+    selected_bboxes = surf_bboxes[indices]  # 形状为 [N, 6]
+    min1, max1 = selected_bboxes[:, :3], selected_bboxes[:, 3:]  # 形状为 [N, 3]
+    min2, max2 = child_bboxes[:, :3], child_bboxes[:, 3:]  # 形状为 [8, 3]
+
+    # 确保广播机制正常工作
+    intersect_mask = torch.all(
+        (max1.unsqueeze(0) >= min2.unsqueeze(1)) &  # 形状为 [8, N, 3]
+        (max2.unsqueeze(1) >= min1.unsqueeze(0)),   # 形状为 [8, N, 3]
+        dim=-1
+    )  # 最终形状为 [8, N]
+
+    return intersect_mask
+
+# 测试程序
+if __name__ == "__main__":
+    # 构造输入数据
+    surf_bboxes = torch.tensor([
+        [0, 0, 0, 1, 1, 1],      # 立方体 1
+        [0.5, 0.5, 0.5, 1.5, 1.5, 1.5],  # 立方体 2
+        [2, 2, 2, 3, 3, 3]       # 立方体 3
+    ])  # [B=3, 6]
+
+    indices = torch.tensor([0, 1])  # 选择前两个立方体
+
+    # 假设父边界框为 [0, 0, 0, 2, 2, 2]，生成其八个子边界框
+    parent_bbox = torch.tensor([0, 0, 0, 2, 2, 2])
+    center = (parent_bbox[:3] + parent_bbox[3:]) / 2
+    child_bboxes = torch.tensor([
+        [parent_bbox[0], parent_bbox[1], parent_bbox[2], center[0], center[1], center[2]],  # 左下前
+        [center[0], parent_bbox[1], parent_bbox[2], parent_bbox[3], center[1], center[2]],  # 右下前
+        [parent_bbox[0], center[1], parent_bbox[2], center[0], parent_bbox[4], center[2]],  # 左上前
+        [center[0], center[1], parent_bbox[2], parent_bbox[3], parent_bbox[4], center[2]],  # 右上前
+        [parent_bbox[0], parent_bbox[1], center[2], center[0], center[1], parent_bbox[5]],  # 左下后
+        [center[0], parent_bbox[1], center[2], parent_bbox[3], center[1], parent_bbox[5]],  # 右下后
+        [parent_bbox[0], center[1], center[2], center[0], parent_bbox[4], parent_bbox[5]],  # 左上后
+        [center[0], center[1], center[2], parent_bbox[3], parent_bbox[4], parent_bbox[5]]   # 右上后
+    ])  # [8, 6]
+
+    # 调用函数
+    intersect_mask = bbox_intersect(surf_bboxes, indices, child_bboxes)
+
+    # 输出结果
+    print("Intersect Mask:")
+    print(intersect_mask)
+
+    # 将布尔掩码转换为索引列表
+    child_indices = []
+    for i in range(8):  # 遍历每个子节点
+        intersecting_faces = indices[intersect_mask[i]]  # 获取当前子节点的相交面片索引
+        child_indices.append(intersecting_faces)
+
+    # 打印每个子节点对应的相交索引
+    print("\nChild Indices:")
+    for i, indices in enumerate(child_indices):
+        print(f"Child {i}: {indices}")
\ No newline at end of file
diff --git a/brep2sdf/train.py b/brep2sdf/train.py
index 64fe51e..a665afb 100644
--- a/brep2sdf/train.py
+++ b/brep2sdf/train.py
@@ -116,11 +116,12 @@ class Trainer:
             device=self.device
         )
         
-        self.build_tree(surf_bbox=surf_bbox, graph=graph,max_depth=8)
+        self.build_tree(surf_bbox=surf_bbox, graph=graph,max_depth=6)
         logger.gpu_memory_stats("数初始化后")
 
         self.model = Net(
             octree=self.root,
+            volume_bboxs=surf_bbox,
             feature_dim=64
         ).to(self.device)
         logger.gpu_memory_stats("模型初始化后")
@@ -138,7 +139,7 @@ class Trainer:
         logger.info(f"初始化完成，正在处理模型 {self.model_name}")
 
     
-    def build_tree(self,surf_bbox, graph, max_depth=6):
+    def build_tree(self,surf_bbox, graph, max_depth=9):
         num_faces = surf_bbox.shape[0]
         bbox = self._calculate_global_bbox(surf_bbox)
         self.root = OctreeNode(
@@ -147,13 +148,13 @@ class Trainer:
             patch_graph=graph,
             max_depth=max_depth,
             surf_bbox=surf_bbox,
-
+            surf_ncs=self.data['surf_ncs']
         )
         #print(surf_bbox)
         logger.info("starting octree conduction")
         self.root.build_static_tree()
         logger.info("complete octree conduction")
-        #self.root.print_tree(0) 
+        self.root.print_tree() 
 
     def _calculate_global_bbox(self, surf_bbox: torch.Tensor) -> torch.Tensor:
         """
@@ -190,10 +191,6 @@ class Trainer:
 
     
     def train_epoch(self, epoch: int) -> float:
-        self.model.train()
-        total_loss = 0.0
-        step = 0 # 如果你的训练是分批次的，这里应该用批次索引
-
         # --- 1. 检查输入数据 ---
         # 注意：假设 self.sdf_data 包含 [x, y, z, nx, ny, nz, sdf] (7列) 或 [x, y, z, sdf] (4列)
         # 并且 SDF 值总是在最后一列
@@ -201,114 +198,124 @@ class Trainer:
              logger.error(f"Epoch {epoch}: self.sdf_data is None. Cannot train.")
              return float('inf')
 
-        points = self.sdf_data[:, 0:3].clone().detach() # 取前3列作为点
-        gt_sdf = self.sdf_data[:, -1].clone().detach()  # 取最后一列作为SDF真值
-        normals = None
-        if args.use_normal:
-            if self.sdf_data.shape[1] < 7: # 检查是否有足够的列给法线
-                logger.error(f"Epoch {epoch}: --use-normal is specified, but sdf_data has only {self.sdf_data.shape[1]} columns.")
-                return float('inf')
-            normals = self.sdf_data[:, 3:6].clone().detach() # 取中间3列作为法线
-
-        # 执行检查
-        if  self.debug_mode:
-            if check_tensor(points, "Input Points", epoch, step): return float('inf')
-            if check_tensor(gt_sdf, "Input GT SDF", epoch, step): return float('inf')
+        self.model.train()
+        total_loss = 0.0
+        step = 0 # 如果你的训练是分批次的，这里应该用批次索引
+        batch_size = 10240  # 设置合适的batch大小
+        
+        # 将数据分成多个batch
+        num_points = self.sdf_data.shape[0]
+        num_batches = (num_points + batch_size - 1) // batch_size
+        
+        for batch_idx in range(num_batches):
+            start_idx = batch_idx * batch_size
+            end_idx = min((batch_idx + 1) * batch_size, num_points)
+            points = self.sdf_data[start_idx:end_idx, 0:3].clone().detach() # 取前3列作为点
+            gt_sdf = self.sdf_data[start_idx:end_idx, -1].clone().detach()  # 取最后一列作为SDF真值
+            normals = None
             if args.use_normal:
-                # 只有在请求法线时才检查 normals
-                if check_tensor(normals, "Input Normals", epoch, step): return float('inf')
+                if self.sdf_data.shape[1] < 7: # 检查是否有足够的列给法线
+                    logger.error(f"Epoch {epoch}: --use-normal is specified, but sdf_data has only {self.sdf_data.shape[1]} columns.")
+                    return float('inf')
+                normals = self.sdf_data[start_idx:end_idx, 3:6].clone().detach() # 取中间3列作为法线
+
+            # 执行检查
+            if  self.debug_mode:
+                if check_tensor(points, "Input Points", epoch, step): return float('inf')
+                if check_tensor(gt_sdf, "Input GT SDF", epoch, step): return float('inf')
+                if args.use_normal:
+                    # 只有在请求法线时才检查 normals
+                    if check_tensor(normals, "Input Normals", epoch, step): return float('inf')
         
 
-        # --- 准备模型输入，启用梯度 ---
-        points.requires_grad_(True) # 在检查之后启用梯度
-
-        # --- 前向传播 ---
-        self.optimizer.zero_grad()
-        pred_sdf = self.model(points)
+            # --- 准备模型输入，启用梯度 ---
+            points.requires_grad_(True) # 在检查之后启用梯度
 
-        if self.debug_mode:
-            # --- 检查前向传播的输出 ---
-            logger.gpu_memory_stats("前向传播后")
-        # --- 2. 检查模型输出 ---
-        #if check_tensor(pred_sdf, "Predicted SDF (Model Output)", epoch, step): return float('inf')
+            # --- 前向传播 ---
+            self.optimizer.zero_grad()
+            pred_sdf = self.model(points)
 
-        # --- 计算损失 ---
-        loss = torch.tensor(float('nan'), device=self.device) # 初始化为 NaN 以防计算失败
-        loss_details = {}
-        try:
-            # --- 3. 检查损失计算前的输入 ---
-            # (points 已经启用梯度，不需要再次检查inf/nan，但检查pred_sdf和gt_sdf)
-            #if check_tensor(pred_sdf, "Predicted SDF (Loss Input)", epoch, step): raise ValueError("Bad pred_sdf before loss")
-            #if check_tensor(gt_sdf, "GT SDF (Loss Input)", epoch, step): raise ValueError("Bad gt_sdf before loss")
-            if args.use_normal:
-                 # 检查法线和带梯度的点
-                 #if check_tensor(normals, "Normals (Loss Input)", epoch, step): raise ValueError("Bad normals before loss")
-                 #if check_tensor(points, "Points (Loss Input)", epoch, step): raise ValueError("Bad points before loss")
-                logger.gpu_memory_stats("计算损失前")
-                loss, loss_details = self.loss_manager.compute_loss(
-                    points,
-                    normals, # 传递检查过的 normals
-                    gt_sdf,
-                    pred_sdf
-                )
-            else:
-                loss = torch.nn.functional.mse_loss(pred_sdf, gt_sdf)
-
-            # --- 4. 检查损失计算结果 ---
             if self.debug_mode:
-                if check_tensor(loss, "Calculated Loss", epoch, step):
-                    logger.error(f"Epoch {epoch} Step {step}: Loss calculation resulted in inf/nan.")
-                    if loss_details: logger.error(f"Loss Details: {loss_details}")
-                    return float('inf') # 如果损失无效，停止这个epoch
-
-        except Exception as loss_e:
-            logger.error(f"Epoch {epoch} Step {step}: Error during loss calculation: {loss_e}", exc_info=True)
-            return float('inf') # 如果计算出错，停止这个epoch
-        logger.gpu_memory_stats("损失计算后")
-
-        # --- 反向传播和优化 ---
-        try:
-            loss.backward()
-
-            # --- 5. (可选) 检查梯度 ---
-            # for name, param in self.model.named_parameters():
-            #     if param.grad is not None:
-            #         if check_tensor(param.grad, f"Gradient/{name}", epoch, step):
-            #             logger.warning(f"Epoch {epoch} Step {step}: Bad gradient for {name}. Consider clipping or zeroing.")
-            #             # 例如：param.grad.data.clamp_(-1, 1) # 值裁剪
-            #             # 或在 optimizer.step() 前进行范数裁剪：
-            #             # torch.nn.utils.clip_grad_norm_(self.model.parameters(), max_norm=1.0)
-
-            # --- (推荐) 添加梯度裁剪 ---
-            # 防止梯度爆炸，这可能是导致 inf/nan 的原因之一
-            torch.nn.utils.clip_grad_norm_(self.model.parameters(), max_norm=1.0) # 范数裁剪
-
-            self.optimizer.step()
-        except Exception as backward_e:
-            logger.error(f"Epoch {epoch} Step {step}: Error during backward pass or optimizer step: {backward_e}", exc_info=True)
-            # 如果你想看是哪个操作导致的，可以启用 anomaly detection
-            # torch.autograd.set_detect_anomaly(True) # 放在训练开始前
-            return float('inf') # 如果反向传播或优化出错，停止这个epoch
-
-
-        # --- 记录和累加损失 ---
-        current_loss = loss.item()
-        if not np.isfinite(current_loss): # 再次确认损失是有效的数值
-             logger.error(f"Epoch {epoch} Step {step}: Loss item is not finite ({current_loss}).")
-             return float('inf')
+                # --- 检查前向传播的输出 ---
+                logger.gpu_memory_stats("前向传播后")
+            # --- 2. 检查模型输出 ---
+            #if check_tensor(pred_sdf, "Predicted SDF (Model Output)", epoch, step): return float('inf')
+
+            # --- 计算损失 ---
+            loss = torch.tensor(float('nan'), device=self.device) # 初始化为 NaN 以防计算失败
+            loss_details = {}
+            try:
+                # --- 3. 检查损失计算前的输入 ---
+                # (points 已经启用梯度，不需要再次检查inf/nan，但检查pred_sdf和gt_sdf)
+                #if check_tensor(pred_sdf, "Predicted SDF (Loss Input)", epoch, step): raise ValueError("Bad pred_sdf before loss")
+                #if check_tensor(gt_sdf, "GT SDF (Loss Input)", epoch, step): raise ValueError("Bad gt_sdf before loss")
+                if args.use_normal:
+                    # 检查法线和带梯度的点
+                    #if check_tensor(normals, "Normals (Loss Input)", epoch, step): raise ValueError("Bad normals before loss")
+                    #if check_tensor(points, "Points (Loss Input)", epoch, step): raise ValueError("Bad points before loss")
+                    logger.gpu_memory_stats("计算损失前")
+                    loss, loss_details = self.loss_manager.compute_loss(
+                        points,
+                        normals, # 传递检查过的 normals
+                        gt_sdf,
+                        pred_sdf
+                    )
+                else:
+                    loss = torch.nn.functional.mse_loss(pred_sdf, gt_sdf)
+
+                # --- 4. 检查损失计算结果 ---
+                if self.debug_mode:
+                    if check_tensor(loss, "Calculated Loss", epoch, step):
+                        logger.error(f"Epoch {epoch} Step {step}: Loss calculation resulted in inf/nan.")
+                        if loss_details: logger.error(f"Loss Details: {loss_details}")
+                        return float('inf') # 如果损失无效，停止这个epoch
+
+            except Exception as loss_e:
+                logger.error(f"Epoch {epoch} Step {step}: Error during loss calculation: {loss_e}", exc_info=True)
+                return float('inf') # 如果计算出错，停止这个epoch
+            logger.gpu_memory_stats("损失计算后")
+
+            # --- 反向传播和优化 ---
+            try:
+                loss.backward()
+
+                # --- 5. (可选) 检查梯度 ---
+                # for name, param in self.model.named_parameters():
+                #     if param.grad is not None:
+                #         if check_tensor(param.grad, f"Gradient/{name}", epoch, step):
+                #             logger.warning(f"Epoch {epoch} Step {step}: Bad gradient for {name}. Consider clipping or zeroing.")
+                #             # 例如：param.grad.data.clamp_(-1, 1) # 值裁剪
+                #             # 或在 optimizer.step() 前进行范数裁剪：
+                #             # torch.nn.utils.clip_grad_norm_(self.model.parameters(), max_norm=1.0)
+
+                # --- (推荐) 添加梯度裁剪 ---
+                # 防止梯度爆炸，这可能是导致 inf/nan 的原因之一
+                torch.nn.utils.clip_grad_norm_(self.model.parameters(), max_norm=1.0) # 范数裁剪
+
+                self.optimizer.step()
+            except Exception as backward_e:
+                logger.error(f"Epoch {epoch} Step {step}: Error during backward pass or optimizer step: {backward_e}", exc_info=True)
+                # 如果你想看是哪个操作导致的，可以启用 anomaly detection
+                # torch.autograd.set_detect_anomaly(True) # 放在训练开始前
+                return float('inf') # 如果反向传播或优化出错，停止这个epoch
+
+
+            # --- 记录和累加损失 ---
+            current_loss = loss.item()
+            if not np.isfinite(current_loss): # 再次确认损失是有效的数值
+                logger.error(f"Epoch {epoch} Step {step}: Loss item is not finite ({current_loss}).")
+                return float('inf')
 
-        total_loss += current_loss
+            total_loss += current_loss
+            del loss
+            torch.cuda.empty_cache()
+            
 
         # 记录训练进度 (只记录有效的损失)
         logger.info(f'Train Epoch: {epoch:4d}]\t'
                     f'Loss: {current_loss:.6f}')
         if loss_details: logger.info(f"Loss Details: {loss_details}")
 
-        # (如果你的训练分批次，这里应该继续循环下一批次)
-        # step += 1
-        del loss
-        torch.cuda.empty_cache()  # 清空缓存
-
         return total_loss # 对于单批次训练，直接返回当前损失
     
     def validate(self, epoch: int) -> float:
diff --git a/brep2sdf/utils/logger.py b/brep2sdf/utils/logger.py
index 33bb409..ee58090 100644
--- a/brep2sdf/utils/logger.py
+++ b/brep2sdf/utils/logger.py
@@ -227,7 +227,7 @@ class BRepLogger:
         stats.append(f"  峰值: {max_allocated:.1f} MB")
         
         # 一次性输出所有统计信息
-        self.info("\n".join(stats))
+        self.debug("\n".join(stats))
         
         # 获取每个张量的内存使用情况
         if include_trace: