Update Dockerfile

Dockerfile

@@ -1,14 +1,19 @@
 FROM python:3.12
+
 WORKDIR /app
+
 ENV PYTHONUNBUFFERED=1
-RUN apt-get update && apt-get install -y libgl1
-&& rm -rf /var/lib/apt/lists/*
+
+RUN apt-get update && apt-get install -y libgl1 \
+    && rm -rf /var/lib/apt/lists/*
+
 RUN pip install pdf2zh
 RUN mkdir -p /data
 RUN chmod 777 /data
 RUN mkdir -p /app
 RUN chmod 777 /app
-显式创建 /root/.cache/pdf2zh 并赋予权限
+# 显式创建 /root/.cache 目录并赋予权限
 RUN mkdir -p /root/.cache/pdf2zh
 RUN chmod 777 /root/.cache/pdf2zh
+
 CMD ["pdf2zh", "-i"]