diff --git a/odm_preprocess.py b/odm_preprocess.py
index adb7dd5..8702fbb 100644
--- a/odm_preprocess.py
+++ b/odm_preprocess.py
@@ -18,6 +18,8 @@ from utils.logger import setup_logger
 from utils.visualizer import FilterVisualizer
 from post_pro.merge_tif import MergeTif
 from tools.test_docker_run import run_docker_command
+from post_pro.merge_obj import MergeObj
+from post_pro.merge_ply import MergePly
 
 
 @dataclass
@@ -228,63 +230,22 @@ class ImagePreprocessor:
             self.logger.info(f"网格 {grid_idx + 1} 包含 {len(points)} 张图像")
 
     def merge_tif(self, grid_points: Dict[int, pd.DataFrame]):
-        """合并所有网格的TIF影像"""
-        self.logger.info("开始合并TIF影像")
+        """合并所有网格的影像产品"""
+        self.logger.info("开始合并所有影像产品")
+        merger = MergeTif(self.config.output_dir)
+        merger.merge_all_tifs(grid_points)
 
-        # 检查是否有多个网格需要合并
-        if len(grid_points) < 2:
-            self.logger.info("只有一个网格，无需合并TIF影像")
-            return
+    def merge_obj(self, grid_points: Dict[int, pd.DataFrame]):
+        """合并所有网格的OBJ模型"""
+        self.logger.info("开始合并OBJ模型")
+        merger = MergeObj(self.config.output_dir)
+        merger.merge_grid_obj(grid_points)
 
-        input_tif1, input_tif2 = None, None
-        merge_count = 0
-
-        try:
-            for grid_idx, points in grid_points.items():
-                grid_tif = os.path.join(
-                    self.config.output_dir,
-                    f"grid_{grid_idx + 1}",
-                    "project",
-                    "odm_orthophoto",
-                    "odm_orthophoto.original.tif"
-                )
-
-                # 检查TIF文件是否存在
-                if not os.path.exists(grid_tif):
-                    self.logger.error(
-                        f"网格 {grid_idx + 1} 的TIF文件不存在: {grid_tif}")
-                    continue
-
-                if input_tif1 is None:
-                    input_tif1 = grid_tif
-                    self.logger.info(f"设置第一个输入TIF: {input_tif1}")
-                else:
-                    input_tif2 = grid_tif
-                    output_tif = os.path.join(
-                        self.config.output_dir, "merged_orthophoto.tif")
-
-                    self.logger.info(
-                        f"开始合并第 {merge_count + 1} 次:\n"
-                        f"输入1: {input_tif1}\n"
-                        f"输入2: {input_tif2}\n"
-                        f"输出: {output_tif}"
-                    )
-
-                    merge_tif = MergeTif(input_tif1, input_tif2, output_tif)
-                    merge_tif.merge()
-                    merge_count += 1
-
-                    input_tif1 = output_tif
-                    input_tif2 = None
-
-            self.logger.info(
-                f"TIF影像合并完成，共执行 {merge_count} 次合并，"
-                f"最终输出文件: {input_tif1}"
-            )
-
-        except Exception as e:
-            self.logger.error(f"TIF影像合并过程中发生错误: {str(e)}", exc_info=True)
-            raise
+    def merge_ply(self, grid_points: Dict[int, pd.DataFrame]):
+        """合并所有网格的PLY点云"""
+        self.logger.info("开始合并PLY点云")
+        merger = MergePly(self.config.output_dir)
+        merger.merge_grid_ply(grid_points)
 
     def process(self):
         """执行完整的预处理流程"""
@@ -297,19 +258,10 @@ class ImagePreprocessor:
             self.copy_images(grid_points)
             self.logger.info("预处理任务完成")
 
-            # for grid_idx in grid_points.keys():
-            #     grid_dir = os.path.abspath(os.path.join(
-            #         self.config.output_dir, f'grid_{grid_idx + 1}'
-            #     ))
-            #     grid_dir = grid_dir[0].lower() + grid_dir[1:].replace("\\", "/")
-            #     command = f"docker run -ti --rm -v {grid_dir}:/datasets opendronemap/odm --project-path /datasets project --max-concurrency 10 --force-gps --feature-quality lowest --orthophoto-resolution 10 --fast-orthophoto --skip-3dmodel --rerun-all"
-            #     print(command)
-            #     stdout, stderr = run_docker_command(command)
-            #     print(stdout)
-            #     print(stderr)
-
             self.odm_monitor.process_all_grids(grid_points)
             self.merge_tif(grid_points)
+            self.merge_obj(grid_points)
+            self.merge_ply(grid_points)
         except Exception as e:
             self.logger.error(f"处理过程中发生错误: {str(e)}", exc_info=True)
             raise
@@ -318,8 +270,8 @@ class ImagePreprocessor:
 if __name__ == "__main__":
     # 创建配置
     config = PreprocessConfig(
-        image_dir=r"G:\error_data\20241104140457\code\images",
-        output_dir=r"G:\ODM_output\20241104140457",
+        image_dir=r"E:\datasets\UAV\1009\project\images",
+        output_dir=r"G:\ODM_output\1009",
 
         cluster_eps=0.01,
         cluster_min_samples=5,
@@ -335,11 +287,11 @@ if __name__ == "__main__":
         filter_dense_distance_threshold=10,
         filter_time_threshold=timedelta(minutes=5),
 
-        grid_size=1000,
+        grid_size=300,
         grid_overlap=0.03,
 
 
-        mode="快拼模式",
+        mode="重建模式",
     )
 
     # 创建处理器并执行
diff --git a/post_pro/merge_obj.py b/post_pro/merge_obj.py
new file mode 100644
index 0000000..1fa46a6
--- /dev/null
+++ b/post_pro/merge_obj.py
@@ -0,0 +1,109 @@
+import os
+import logging
+import numpy as np
+from typing import Dict
+import pandas as pd
+import open3d as o3d
+
+
+class MergeObj:
+    def __init__(self, output_dir: str):
+        self.output_dir = output_dir
+        self.logger = logging.getLogger('UAV_Preprocess.MergeObj')
+
+    def merge_two_objs(self, obj1_path: str, obj2_path: str, output_path: str):
+        """使用Open3D合并两个OBJ文件"""
+        try:
+            self.logger.info("开始合并OBJ模型")
+            self.logger.info(f"输入模型1: {obj1_path}")
+            self.logger.info(f"输入模型2: {obj2_path}")
+            self.logger.info(f"输出模型: {output_path}")
+
+            # 检查输入文件是否存在
+            if not os.path.exists(obj1_path) or not os.path.exists(obj2_path):
+                raise FileNotFoundError("输入模型文件不存在")
+
+            # 读取OBJ文件
+            mesh1 = o3d.io.read_triangle_mesh(obj1_path)
+            mesh2 = o3d.io.read_triangle_mesh(obj2_path)
+
+            if mesh1.is_empty() or mesh2.is_empty():
+                raise ValueError("无法读取OBJ文件或文件为空")
+
+            # # 计算并对齐中心点
+            # center1 = mesh1.get_center()
+            # center2 = mesh2.get_center()
+            # translation_vector = center2 - center1
+            # mesh2.translate(translation_vector)
+
+            # 不对齐，直接合并网格
+            combined_mesh = mesh1 + mesh2
+
+            # 优化合并后的网格
+            combined_mesh.remove_duplicated_vertices()
+            combined_mesh.remove_duplicated_triangles()
+            combined_mesh.compute_vertex_normals()
+
+            # 保存合并后的模型
+            if not o3d.io.write_triangle_mesh(output_path, combined_mesh):
+                raise RuntimeError("保存合并后的模型失败")
+
+            self.logger.info(f"模型合并成功，已保存至: {output_path}")
+
+        except Exception as e:
+            self.logger.error(f"合并OBJ模型时发生错误: {str(e)}", exc_info=True)
+            raise
+
+    def merge_grid_obj(self, grid_points: Dict[int, pd.DataFrame]):
+        """合并所有网格的OBJ模型"""
+        self.logger.info("开始合并所有网格的OBJ模型")
+
+        if len(grid_points) < 2:
+            self.logger.info("只有一个网格，无需合并")
+            return
+
+        input_obj1, input_obj2 = None, None
+        merge_count = 0
+
+        try:
+            for grid_idx, points in grid_points.items():
+                grid_obj = os.path.join(
+                    self.output_dir,
+                    f"grid_{grid_idx + 1}",
+                    "project",
+                    "odm_texturing",
+                    "odm_textured_model_geo.obj"
+                )
+
+                if not os.path.exists(grid_obj):
+                    self.logger.warning(f"网格 {grid_idx + 1} 的OBJ文件不存在: {grid_obj}")
+                    continue
+
+                if input_obj1 is None:
+                    input_obj1 = grid_obj
+                    self.logger.info(f"设置第一个输入OBJ: {input_obj1}")
+                else:
+                    input_obj2 = grid_obj
+                    output_obj = os.path.join(self.output_dir, "merged_model.obj")
+
+                    self.logger.info(
+                        f"开始合并第 {merge_count + 1} 次:\n"
+                        f"输入1: {input_obj1}\n"
+                        f"输入2: {input_obj2}\n"
+                        f"输出: {output_obj}"
+                    )
+
+                    self.merge_two_objs(input_obj1, input_obj2, output_obj)
+                    merge_count += 1
+
+                    input_obj1 = output_obj
+                    input_obj2 = None
+
+            self.logger.info(
+                f"OBJ模型合并完成，共执行 {merge_count} 次合并，"
+                f"最终输出文件: {input_obj1}"
+            )
+
+        except Exception as e:
+            self.logger.error(f"OBJ模型合并过程中发生错误: {str(e)}", exc_info=True)
+            raise 
\ No newline at end of file
diff --git a/post_pro/merge_ply.py b/post_pro/merge_ply.py
new file mode 100644
index 0000000..570860b
--- /dev/null
+++ b/post_pro/merge_ply.py
@@ -0,0 +1,108 @@
+import os
+import logging
+import numpy as np
+from typing import Dict
+import pandas as pd
+import open3d as o3d
+
+
+class MergePly:
+    def __init__(self, output_dir: str):
+        self.output_dir = output_dir
+        self.logger = logging.getLogger('UAV_Preprocess.MergePly')
+
+    def merge_two_plys(self, ply1_path: str, ply2_path: str, output_path: str):
+        """合并两个PLY文件"""
+        try:
+            self.logger.info("开始合并PLY点云")
+            self.logger.info(f"输入点云1: {ply1_path}")
+            self.logger.info(f"输入点云2: {ply2_path}")
+            self.logger.info(f"输出点云: {output_path}")
+
+            # 检查输入文件是否存在
+            if not os.path.exists(ply1_path) or not os.path.exists(ply2_path):
+                raise FileNotFoundError("输入点云文件不存在")
+
+            # 读取点云
+            pcd1 = o3d.io.read_point_cloud(ply1_path)
+            pcd2 = o3d.io.read_point_cloud(ply2_path)
+
+            if pcd1 is None or pcd2 is None:
+                raise ValueError("无法读取点云文件")
+
+            # 获取点云中心
+            center1 = pcd1.get_center()
+            center2 = pcd2.get_center()
+
+            # 计算平移向量
+            translation_vector = center2 - center1
+
+            # 对齐点云
+            pcd2.translate(translation_vector)
+
+            # 合并点云
+            combined_pcd = pcd1 + pcd2
+
+            # 保存合并后的点云
+            if not o3d.io.write_point_cloud(output_path, combined_pcd):
+                raise RuntimeError("保存合并后的点云失败")
+
+            self.logger.info(f"点云合并成功，已保存至: {output_path}")
+
+        except Exception as e:
+            self.logger.error(f"合并PLY点云时发生错误: {str(e)}", exc_info=True)
+            raise
+
+    def merge_grid_ply(self, grid_points: Dict[int, pd.DataFrame]):
+        """合并所有网格的PLY点云"""
+        self.logger.info("开始合并所有网格的PLY点云")
+
+        if len(grid_points) < 2:
+            self.logger.info("只有一个网格，无需合并")
+            return
+
+        input_ply1, input_ply2 = None, None
+        merge_count = 0
+
+        try:
+            for grid_idx, points in grid_points.items():
+                grid_ply = os.path.join(
+                    self.output_dir,
+                    f"grid_{grid_idx + 1}",
+                    "project",
+                    "odm_georeferencing",
+                    "odm_georeferenced_model.ply"
+                )
+
+                if not os.path.exists(grid_ply):
+                    self.logger.warning(f"网格 {grid_idx + 1} 的PLY文件不存在: {grid_ply}")
+                    continue
+
+                if input_ply1 is None:
+                    input_ply1 = grid_ply
+                    self.logger.info(f"设置第一个输入PLY: {input_ply1}")
+                else:
+                    input_ply2 = grid_ply
+                    output_ply = os.path.join(self.output_dir, "merged_pointcloud.ply")
+
+                    self.logger.info(
+                        f"开始合并第 {merge_count + 1} 次:\n"
+                        f"输入1: {input_ply1}\n"
+                        f"输入2: {input_ply2}\n"
+                        f"输出: {output_ply}"
+                    )
+
+                    self.merge_two_plys(input_ply1, input_ply2, output_ply)
+                    merge_count += 1
+
+                    input_ply1 = output_ply
+                    input_ply2 = None
+
+            self.logger.info(
+                f"PLY点云合并完成，共执行 {merge_count} 次合并，"
+                f"最终输出文件: {input_ply1}"
+            )
+
+        except Exception as e:
+            self.logger.error(f"PLY点云合并过程中发生错误: {str(e)}", exc_info=True)
+            raise 
\ No newline at end of file
diff --git a/post_pro/merge_tif.py b/post_pro/merge_tif.py
index d4c64a0..2ab1a9e 100644
--- a/post_pro/merge_tif.py
+++ b/post_pro/merge_tif.py
@@ -1,34 +1,33 @@
 from osgeo import gdal
 import logging
 import os
+from typing import Dict
+import pandas as pd
 import sys
 sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
 
 
 class MergeTif:
-    def __init__(self, input_tif1, input_tif2, output_tif):
-        self.input_tif1 = input_tif1
-        self.input_tif2 = input_tif2
-        self.output_tif = output_tif
+    def __init__(self, output_dir: str):
+        self.output_dir = output_dir
         self.logger = logging.getLogger('UAV_Preprocess.MergeTif')
 
-    def merge(self):
+    def merge_two_tifs(self, input_tif1: str, input_tif2: str, output_tif: str):
         """合并两张TIF影像"""
         try:
             self.logger.info("开始合并TIF影像")
-            self.logger.info(f"输入影像1: {self.input_tif1}")
-            self.logger.info(f"输入影像2: {self.input_tif2}")
-            self.logger.info(f"输出影像: {self.output_tif}")
+            self.logger.info(f"输入影像1: {input_tif1}")
+            self.logger.info(f"输入影像2: {input_tif2}")
+            self.logger.info(f"输出影像: {output_tif}")
 
             # 检查输入文件是否存在
-            if not os.path.exists(self.input_tif1) or not os.path.exists(self.input_tif2):
+            if not os.path.exists(input_tif1) or not os.path.exists(input_tif2):
                 error_msg = "输入影像文件不存在"
                 self.logger.error(error_msg)
                 raise FileNotFoundError(error_msg)
 
             # 打开影像，检查投影是否一致
-            datasets = [gdal.Open(tif)
-                        for tif in [self.input_tif1, self.input_tif2]]
+            datasets = [gdal.Open(tif) for tif in [input_tif1, input_tif2]]
             if None in datasets:
                 error_msg = "无法打开输入影像文件"
                 self.logger.error(error_msg)
@@ -47,20 +46,14 @@ class MergeTif:
             # 创建 GDAL Warp 选项
             warp_options = gdal.WarpOptions(
                 format="GTiff",
-                resampleAlg="average",  # 设置重采样方法为平均值
-                srcNodata=0,            # 输入影像中的无效值
-                dstNodata=0,            # 输出影像中的无效值
-                multithread=True        # 启用多线程优化
+                resampleAlg="average",
+                srcNodata=0,
+                dstNodata=0,
+                multithread=True
             )
 
             self.logger.info("开始执行影像拼接...")
-
-            # 使用 GDAL 的 Warp 方法进行拼接
-            result = gdal.Warp(
-                self.output_tif,
-                [self.input_tif1, self.input_tif2],  # 输入多张影像
-                options=warp_options
-            )
+            result = gdal.Warp(output_tif, [input_tif1, input_tif2], options=warp_options)
 
             if result is None:
                 error_msg = "影像拼接失败"
@@ -68,19 +61,109 @@ class MergeTif:
                 raise RuntimeError(error_msg)
 
             # 获取输出影像的基本信息
-            output_dataset = gdal.Open(self.output_tif)
+            output_dataset = gdal.Open(output_tif)
             if output_dataset:
                 width = output_dataset.RasterXSize
                 height = output_dataset.RasterYSize
                 bands = output_dataset.RasterCount
                 self.logger.info(f"拼接完成，输出影像大小: {width}x{height}，波段数: {bands}")
 
-            self.logger.info(f"影像拼接成功，输出文件保存至: {self.output_tif}")
+            self.logger.info(f"影像拼接成功，输出文件保存至: {output_tif}")
 
         except Exception as e:
             self.logger.error(f"影像拼接过程中发生错误: {str(e)}", exc_info=True)
             raise
 
+    def merge_grid_tif(self, grid_points: Dict[int, pd.DataFrame], product_info: dict):
+        """合并指定产品的所有网格"""
+        product_name = product_info['name']
+        product_path = product_info['path']
+        filename = product_info['filename']
+        
+        self.logger.info(f"开始合并{product_name}")
+        
+        if len(grid_points) < 2:
+            self.logger.info("只有一个网格，无需合并")
+            return
+            
+        input_tif1, input_tif2 = None, None
+        merge_count = 0
+        
+        try:
+            for grid_idx, points in grid_points.items():
+                grid_tif = os.path.join(
+                    self.output_dir,
+                    f"grid_{grid_idx + 1}",
+                    "project",
+                    product_path,
+                    filename
+                )
+                
+                if not os.path.exists(grid_tif):
+                    self.logger.warning(f"网格 {grid_idx + 1} 的{product_name}不存在: {grid_tif}")
+                    continue
+                    
+                if input_tif1 is None:
+                    input_tif1 = grid_tif
+                    self.logger.info(f"设置第一个输入{product_name}: {input_tif1}")
+                else:
+                    input_tif2 = grid_tif
+                    output_tif = os.path.join(self.output_dir, f"merged_{product_info['output']}")
+                        
+                    self.logger.info(
+                        f"开始合并{product_name}第 {merge_count + 1} 次:\n"
+                        f"输入1: {input_tif1}\n"
+                        f"输入2: {input_tif2}\n"
+                        f"输出: {output_tif}"
+                    )
+                    
+                    self.merge_two_tifs(input_tif1, input_tif2, output_tif)
+                    merge_count += 1
+                    
+                    input_tif1 = output_tif
+                    input_tif2 = None
+                    
+            self.logger.info(
+                f"{product_name}合并完成，共执行 {merge_count} 次合并，"
+                f"最终输出文件: {input_tif1}"
+            )
+            
+        except Exception as e:
+            self.logger.error(f"{product_name}合并过程中发生错误: {str(e)}", exc_info=True)
+            raise
+
+    def merge_all_tifs(self, grid_points: Dict[int, pd.DataFrame]):
+        """合并所有产品（正射影像、DSM和DTM）"""
+        try:
+            products = [
+                {
+                    'name': '正射影像',
+                    'path': 'odm_orthophoto',
+                    'filename': 'odm_orthophoto.original.tif',
+                    'output': 'orthophoto.tif'
+                },
+                {
+                    'name': 'DSM',
+                    'path': 'odm_dem',
+                    'filename': 'dsm.original.tif',
+                    'output': 'dsm.tif'
+                },
+                {
+                    'name': 'DTM',
+                    'path': 'odm_dem',
+                    'filename': 'dtm.original.tif',
+                    'output': 'dtm.tif'
+                }
+            ]
+            
+            for product in products:
+                self.merge_grid_product(grid_points, product)
+                
+            self.logger.info("所有产品合并完成")
+        except Exception as e:
+            self.logger.error(f"产品合并过程中发生错误: {str(e)}", exc_info=True)
+            raise
+
 
 if __name__ == "__main__":
     from utils.logger import setup_logger
@@ -95,5 +178,5 @@ if __name__ == "__main__":
     setup_logger(output_dir)
 
     # 执行拼接
-    merge_tif = MergeTif(input_tif1, input_tif2, output_tif)
-    merge_tif.merge()
+    merge_tif = MergeTif(output_dir)
+    merge_tif.merge_two_tifs(input_tif1, input_tif2, output_tif)
diff --git a/requirements.txt b/requirements.txt
index ff696df..9bc2977 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,3 +6,4 @@ piexif
 geopy
 psutil
 docker>=6.1.3
+open3d
diff --git a/tools/merge_obj.py b/tools/merge_obj.py
new file mode 100644
index 0000000..2b3e714
--- /dev/null
+++ b/tools/merge_obj.py
@@ -0,0 +1,34 @@
+import open3d as o3d
+import numpy as np
+
+# 读取 .obj 文件
+def load_obj(file_path):
+    mesh = o3d.io.read_triangle_mesh(file_path)
+    if not mesh.is_empty():
+        return mesh
+    else:
+        raise ValueError(f"Failed to load {file_path}")
+
+# 合并两个网格
+def merge_meshes(mesh1, mesh2):
+    # 直接合并网格
+    combined_mesh = mesh1 + mesh2
+    return combined_mesh
+
+# 保存合并后的网格
+def save_merged_mesh(mesh, output_path):
+    o3d.io.write_triangle_mesh(output_path, mesh)
+    print(f"Saved merged mesh to {output_path}")
+
+# 示例用法
+mesh1 = load_obj("model1.obj")
+mesh2 = load_obj("model2.obj")
+
+# 合并两个网格
+merged_mesh = merge_meshes(mesh1, mesh2)
+
+# 保存合并后的网格
+save_merged_mesh(merged_mesh, "merged_model.obj")
+
+# 可视化合并后的网格
+o3d.visualization.draw_geometries([merged_mesh])
diff --git a/tools/merge_ply.py b/tools/merge_ply.py
new file mode 100644
index 0000000..a6330ff
--- /dev/null
+++ b/tools/merge_ply.py
@@ -0,0 +1,22 @@
+import open3d as o3d
+import numpy as np
+
+# 读取第一个PLY文件
+pcd1 = o3d.io.read_point_cloud("path_to_first_file.ply")
+
+# 读取第二个PLY文件
+pcd2 = o3d.io.read_point_cloud("path_to_second_file.ply")
+
+# 可选：如果需要调整坐标系，可以通过平移、旋转来对齐点云
+# 例如，平移第二个点云
+offset = np.array([1000, 2000, 3000])
+pcd2.translate(offset)
+
+# 合并点云
+combined_pcd = pcd1 + pcd2
+
+# 保存合并后的点云为PLY文件
+o3d.io.write_point_cloud("merged_output.ply", combined_pcd)
+
+# 可视化
+o3d.visualization.draw_geometries([combined_pcd])