diff --git a/Musicreater/__init__.py b/Musicreater/__init__.py
index aef2682..9855a42 100644
--- a/Musicreater/__init__.py
+++ b/Musicreater/__init__.py
@@ -19,6 +19,6 @@ Terms & Conditions: ../License.md
 
 from .main import *
 
-__version__ = "0.5.0.1"
+__version__ = "0.5.0.2"
 __all__ = []
 __author__ = (("金羿", "Eilles Wan"), ("诸葛亮与八卦阵", "bgArray"), ("鸣凤鸽子", "MingFengPigeon"))
diff --git a/Musicreater/main.py b/Musicreater/main.py
index 6773f6a..b646f29 100644
--- a/Musicreater/main.py
+++ b/Musicreater/main.py
@@ -1592,6 +1592,8 @@ class midiConvert:
         :param player: 玩家选择器，默认为`@a`
         :return 成功与否，成功返回(True,未经过压缩的源,结构占用大小)，失败返回(False,str失败原因)
         """
+        
+        from TrimMCStruct import Structure
 
         if self.enable_old_exe_format:
             raise CommandFormatError("使用mcstructure结构文件导出时不支持旧版本的指令格式。")
diff --git a/Musicreater/utils.py b/Musicreater/utils.py
index c8fb67b..517573f 100644
--- a/Musicreater/utils.py
+++ b/Musicreater/utils.py
@@ -1,7 +1,6 @@
 import math
 import os
 
-from TrimMCStruct import Structure, Block, TAG_Long, TAG_Byte
 
 bdx_key = {
     "x": [b"\x0f", b"\x0e", b"\x1c", b"\x14", b"\x15"],
@@ -241,6 +240,7 @@ def form_note_block_in_NBT_struct(
     :return Block
     """
 
+    from TrimMCStruct import Block, TAG_Byte
     return Block(
         "minecraft",
         "noteblock",
@@ -270,6 +270,8 @@ def form_repeater_in_NBT_struct(
     :param facing:
     :param delay: 1~4
     :return Block()"""
+    
+    from TrimMCStruct import Block
 
     return Block(
         "minecraft",
@@ -338,6 +340,9 @@ def form_command_block_in_NBT_struct(
     :return:str
     """
 
+    
+    from TrimMCStruct import Block, TAG_Long
+
     return Block(
         "minecraft",
         "command_block"
@@ -384,6 +389,9 @@ def commands_to_structure(
     :return 成功与否，成功返回(结构类,结构占用大小)，失败返回(False,str失败原因)
     """
 
+    
+    from TrimMCStruct import Structure
+
     _sideLength = bottem_side_length_of_smallest_square_bottom_box(
         len(commands), max_height
     )
diff --git a/docs/库的生成与功能文档.md b/docs/库的生成与功能文档.md
index 266b53f..2180945 100644
--- a/docs/库的生成与功能文档.md
+++ b/docs/库的生成与功能文档.md
@@ -38,6 +38,12 @@ method_id = 3	# 指定使用的转换算法
 # 使用计分板播放器，转换为附加包文件
 convertion_result = conversion.to_mcpack(method_id,*prompts)
 
+# 使用延迟播放器，转换为附加包文件
+# 注意，在执行这个功能之前，你需要使用指令
+# pip install TrimMCStruct
+# 安装最新版的TrimMCStruct库
+convertion_result = conversion.to_mcpack_with_delay(method_id,*prompts)
+
 # 使用计分板播放器，转换为BDX结构文件
 convertion_result = conversion.to_BDX_file(method_id,*prompts)
 
diff --git a/requirements.txt b/requirements.txt
index 916b870..70abd76 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,2 @@
 Brotli>=1.0.9
-mido>=1.2.10
-TrimMCStruct>=0.0.5.7
\ No newline at end of file
+mido>=1.2.10
\ No newline at end of file