diff --git a/filter/time_group_overlap_filter.py b/filter/time_group_overlap_filter.py
index 6f0048c..72e932b 100644
--- a/filter/time_group_overlap_filter.py
+++ b/filter/time_group_overlap_filter.py
@@ -86,8 +86,13 @@ class TimeGroupOverlapFilter:
         if box1.intersects(box2):
             intersection_area = box1.intersection(box2).area
             smaller_area = min(box1.area, box2.area)
-            return intersection_area / smaller_area
-        return 0
+            if smaller_area == 0:
+                overlap_ratio = 1
+            else:
+                overlap_ratio = intersection_area / smaller_area
+        else:
+            overlap_ratio = 0
+        return overlap_ratio
 
     def filter_overlapping_groups(self, gps_points, time_threshold=timedelta(minutes=5)):
         """过滤重叠的时间组"""
diff --git a/odm_preprocess.py b/odm_preprocess.py
index d249011..9bad923 100644
--- a/odm_preprocess.py
+++ b/odm_preprocess.py
@@ -272,8 +272,8 @@ class ImagePreprocessor:
 if __name__ == "__main__":
     # 创建配置
     config = PreprocessConfig(
-        image_dir=r"/home/cug/datasets/1009/project/images",
-        output_dir=r"/home/cug/ODM_output/1009",
+        image_dir=r"/home/cug/datasets/error3/project/images",
+        output_dir=r"/home/cug/ODM_output/error3",
 
         cluster_eps=0.01,
         cluster_min_samples=5,