perf: 修改move为copy，clean code

astrbot/cli/utils/plugin.py

@@ -252,7 +252,7 @@ def manage_plugin(
     if is_update and backup_path.exists():
         shutil.rmtree(backup_path)
     if is_update:
-        shutil.move(target_path, backup_path)
+        shutil.copytree(target_path, backup_path)
 
     try:
         click.echo(

astrbot/core/message/components.py

@@ -374,7 +374,6 @@ class Image(BaseMessageComponent):
             bs64_data = url.removeprefix("base64://")
             image_bytes = base64.b64decode(bs64_data)
             temp_dir = os.path.join(get_astrbot_data_path(), "temp")
-            os.makedirs(temp_dir, exist_ok=True)
             image_file_path = os.path.join(temp_dir, f"{uuid.uuid4()}.jpg")
             with open(image_file_path, "wb") as f:
                 f.write(image_bytes)