diff --git a/toModel.py b/toModel.py
index 827f38d..f200ecb 100644
--- a/toModel.py
+++ b/toModel.py
@@ -197,8 +197,13 @@ def create_geometry(obj_data):
     
     try:
         if face_geom == "plane":
-            bpy.ops.mesh.primitive_plane_add(size=1)  # 减小平面尺寸
+            # 创建圆形平面而不是方形
+            bpy.ops.mesh.primitive_circle_add(vertices=32, radius=0.5)
             mesh = bpy.context.active_object
+            # 填充圆形
+            bpy.ops.object.mode_set(mode='EDIT')
+            bpy.ops.mesh.edge_face_add()
+            bpy.ops.object.mode_set(mode='OBJECT')
         elif face_geom == "circle":
             # 创建圆形平面
             bpy.ops.mesh.primitive_circle_add(vertices=32, radius=0.5)