diff --git a/.flake8 b/.flake8
index 35ef567..68a9ec7 100644
--- a/.flake8
+++ b/.flake8
@@ -9,4 +9,4 @@ exclude =
     pyJianYingDraft/metadata/filter_meta.py,
     pyJianYingDraft/metadata/video_effect_meta.py,
     pyJianYingDraft/metadata/transition_meta.py
-max-line-length = 150
+max-line-length = 140
diff --git a/README.md b/README.md
index 5fbc6a7..68cd09e 100644
--- a/README.md
+++ b/README.md
@@ -4,13 +4,13 @@
 
 > ℹ 欢迎为本项目补充6+版本草稿文件的解密方式
 
+> 🧪 本项目仍在快速更新中，欢迎⭐️此项目保持关注！
+
 # 特性清单
 > ℹ 目前仅在5.9版本上进行测试
 
 > 标注☑️的特性**已实现**，标注⬜的特性**待实现**，标注❔的特性**暂不在计划中**
 
-> 🧪 本项目仍在快速更新中，欢迎⭐️此项目保持关注！
-
 ### 模板模式
 - ☑️ [加载](#加载模板)（未加密的）`draft_content.json`文件作为模板
 - ☑️ [替换音视频片段的素材](#根据名称替换素材)
diff --git a/pyJianYingDraft/draft_folder.py b/pyJianYingDraft/draft_folder.py
index 32fb6bd..a0a2e01 100644
--- a/pyJianYingDraft/draft_folder.py
+++ b/pyJianYingDraft/draft_folder.py
@@ -63,7 +63,7 @@ class Draft_folder:
         if not os.path.exists(template_path):
             raise FileNotFoundError(f"模板草稿 {template_name} 不存在")
         if os.path.exists(new_draft_path) and not allow_replace:
-            raise FileExistsError(f"新草稿 {new_draft_name} 已存在")
+            raise FileExistsError(f"新草稿 {new_draft_name} 已存在且不允许覆盖")
 
         # 复制草稿文件夹
         shutil.copytree(template_path, new_draft_path, dirs_exist_ok=allow_replace)
diff --git a/pyJianYingDraft/script_file.py b/pyJianYingDraft/script_file.py
index 70e91e0..9c8af7a 100644
--- a/pyJianYingDraft/script_file.py
+++ b/pyJianYingDraft/script_file.py
@@ -502,9 +502,11 @@ class Script_file:
             ret.append(track)
 
         if len(ret) == 0:
-            raise exceptions.TrackNotFound("No track satisfies the conditions: track_type=%s, name=%s, index=%s" % (track_type, name, index))
+            raise exceptions.TrackNotFound(
+                "No track satisfies the conditions: track_type=%s, name=%s, index=%s" % (track_type, name, index))
         if len(ret) > 1:
-            raise exceptions.AmbiguousTrack("Multiple tracks satisfy the conditions: track_type=%s, name=%s, index=%s" % (track_type, name, index))
+            raise exceptions.AmbiguousTrack(
+                "Multiple tracks satisfy the conditions: track_type=%s, name=%s, index=%s" % (track_type, name, index))
 
         return ret[0]
 
@@ -525,7 +527,7 @@ class Script_file:
         """
         # 查找素材
         target_json_obj: Optional[Dict[str, Any]] = None
-        target_material_list = self.imported_materials["videos"] if isinstance(material, Video_material) else self.imported_materials["audios"]
+        target_material_list = self.imported_materials["videos" if isinstance(material, Video_material) else "audios"]
         for mat in target_material_list:
             if mat["material_name"] == material_name:
                 if target_json_obj is not None:
diff --git a/pyJianYingDraft/segment.py b/pyJianYingDraft/segment.py
index d27da2e..9811c80 100644
--- a/pyJianYingDraft/segment.py
+++ b/pyJianYingDraft/segment.py
@@ -55,8 +55,6 @@ class Base_segment:
     def export_json(self) -> Dict[str, Any]:
         """返回通用于各种片段的属性"""
         return {
-            "caption_info": None,
-            "cartoon": False,
             "enable_adjust": True,
             "enable_color_correct_adjust": False,
             "enable_color_curves": True,
@@ -64,15 +62,8 @@ class Base_segment:
             "enable_color_wheels": True,
             "enable_lut": True,
             "enable_smart_color_adjust": False,
-            "group_id": "",
-            "intensifies_audio": False,
-            "is_placeholder": False,
-            "is_tone_modify": False,
             "last_nonzero_volume": 1.0,
-            "responsive_layout": {"enable": False, "horizontal_pos_layout": 0, "size_layout": 0, "vertical_pos_layout": 0, "target_follow": ""},
             "reverse": False,
-            "template_id": "",
-            "template_scene": "default",
             "track_attribute": 0,
             "track_render_index": 0,
             "visible": True,
diff --git a/pyJianYingDraft/text_segment.py b/pyJianYingDraft/text_segment.py
index 20477c7..becae0f 100644
--- a/pyJianYingDraft/text_segment.py
+++ b/pyJianYingDraft/text_segment.py
@@ -310,6 +310,6 @@ class Text_segment(Base_segment):
             "source_timerange": None,
             "speed": 1.0,
             "volume": 1.0,
-            "extra_material_refs": [self.extra_material_refs],
+            "extra_material_refs": self.extra_material_refs,
         })
         return ret
diff --git a/pyJianYingDraft/video_segment.py b/pyJianYingDraft/video_segment.py
index 6c01ba1..ed142cd 100644
--- a/pyJianYingDraft/video_segment.py
+++ b/pyJianYingDraft/video_segment.py
@@ -542,9 +542,9 @@ class Video_segment(Media_segment):
         if round_corner is None:
             round_corner = 0
 
+        width = rect_width or size * self.material_size[1] * mask_type.value.default_aspect_ratio / self.material_size[0]
         self.mask = Mask(mask_type.value, center_x, center_y,
-                         w=rect_width if rect_width else size * self.material_size[1] * mask_type.value.default_aspect_ratio / self.material_size[0],
-                         h=size, ratio=mask_type.value.default_aspect_ratio,
+                         w=width, h=size, ratio=mask_type.value.default_aspect_ratio,
                          rot=rotation, inv=invert, feather=feather/100, round_corner=round_corner/100)
         self.extra_material_refs.append(self.mask.global_id)
         return self