diff --git a/ballance_blender_plugin/BMFILE_export.py b/ballance_blender_plugin/BMFILE_export.py
index 1fdb6e3..2b44bf3 100644
--- a/ballance_blender_plugin/BMFILE_export.py
+++ b/ballance_blender_plugin/BMFILE_export.py
@@ -26,6 +26,12 @@ class BALLANCE_OT_export_bm(bpy.types.Operator, bpy_extras.io_utils.ExportHelper
         )
 
     def execute(self, context):
+        # detect edit mode
+        in_edit_mode = False
+        if bpy.context.object and bpy.context.object.mode == "EDIT":
+            in_edit_mode = True
+            bpy.ops.object.editmode_toggle()
+
         if ((self.export_mode == 'COLLECTION' and context.scene.BallanceBlenderPluginProperty.collection_picker is None) or 
             (self.export_mode == 'OBJECT' and context.scene.BallanceBlenderPluginProperty.object_picker is None)):
             UTILS_functions.show_message_box(("No specific target", ), "Lost parameter", 'ERROR')
@@ -40,6 +46,11 @@ class BALLANCE_OT_export_bm(bpy.types.Operator, bpy_extras.io_utils.ExportHelper
                 export_bm(context, self.filepath, 
                 prefs.no_component_collection,
                 self.export_mode, context.scene.BallanceBlenderPluginProperty.object_picker)
+
+        # restore edit mode
+        if in_edit_mode:
+            bpy.ops.object.editmode_toggle()
+
         return {'FINISHED'}
 
     def draw(self, context):
diff --git a/ballance_blender_plugin/OBJS_add_components.py b/ballance_blender_plugin/OBJS_add_components.py
index 2475f62..42363bd 100644
--- a/ballance_blender_plugin/OBJS_add_components.py
+++ b/ballance_blender_plugin/OBJS_add_components.py
@@ -55,7 +55,7 @@ class BALLANCE_OT_add_components(bpy.types.Operator):
         UTILS_functions.add_into_scene_and_move_to_cursor(obj)
 
         # extra duplication
-        if self.elements_type in self.canDuplicatedElements:
+        if (self.elements_type in self.canDuplicatedElements) and self.elements_duplicated:
             for i in range(self.elements_dup_times - 1):
                 obj = bpy.data.objects.new(finalObjectName, loadedMesh)
                 UTILS_functions.add_into_scene_and_move_to_cursor(obj)
diff --git a/ballance_blender_plugin/OBJS_add_floors.py b/ballance_blender_plugin/OBJS_add_floors.py
index 0b00f66..27a00e8 100644
--- a/ballance_blender_plugin/OBJS_add_floors.py
+++ b/ballance_blender_plugin/OBJS_add_floors.py
@@ -221,7 +221,7 @@ def _create_or_get_material(material_name, prefs_externalTexture):
                 try_item['data']['ambient'], try_item['data']['diffuse'], 
                 try_item['data']['specular'], try_item['data']['emissive'],
                 try_item['data']['power'],
-                False, False, False, False,
+                False, False, True, False,
                 texture)
             )
             break
diff --git a/ballance_blender_plugin/UTILS_functions.py b/ballance_blender_plugin/UTILS_functions.py
index cd29a99..c913bb6 100644
--- a/ballance_blender_plugin/UTILS_functions.py
+++ b/ballance_blender_plugin/UTILS_functions.py
@@ -105,7 +105,7 @@ def parse_material_nodes(mtl):
         # return value
         return (True,
             mtl_ambient, mtl_diffuse, mtl_specular, mtl_emissive, mtl_specularPower,
-            False, False, False, False,
+            False, False, True, False,
             mtl_texture
         )
 
diff --git a/ballance_blender_plugin/UTILS_virtools_prop.py b/ballance_blender_plugin/UTILS_virtools_prop.py
index e34a571..3a24a68 100644
--- a/ballance_blender_plugin/UTILS_virtools_prop.py
+++ b/ballance_blender_plugin/UTILS_virtools_prop.py
@@ -53,7 +53,7 @@ class BALLANCE_PG_virtools_material(bpy.types.PropertyGroup):
     z_buffer: bpy.props.BoolProperty(
         name="Z Buffer",
         description="ZFunc: VXCMP_LESSEQUAL.",
-        default=False,
+        default=True,
     )
 
     two_sided: bpy.props.BoolProperty(