diff --git a/Dockerfile_pg_seafile_server b/Dockerfile_pg_seafile_server
index cf43abd..3bf6447 100644
--- a/Dockerfile_pg_seafile_server
+++ b/Dockerfile_pg_seafile_server
@@ -64,6 +64,12 @@ ENV TZ=Asia/Shanghai
 #    apt-get clean && \
 #    rm -rf /var/lib/apt/lists/*
 
+RUN apt-get -y update && \
+    apt-get install -y --no-install-recommends sudo && \
+    apt-get autoremove && \
+    apt-get clean && \
+    rm -rf /var/lib/apt/lists/*
+
 
 COPY --from=builder /usr/local/lib/ /usr/local/lib/
 COPY --from=builder /usr/local/bin/ /usr/local/bin/