github action change

docs/GithubAction+NoLocal+Vectordb

@@ -24,6 +24,8 @@ RUN apt update && apt install ffmpeg -y
 
 # 可选步骤，用于预热模块
 RUN python3  -c 'from check_proxy import warm_up_modules; warm_up_modules()'
+RUN python3 -m pip cache purge && apt-get clean
+
 
 # 启动
 CMD ["python3", "-u", "main.py"]