diff --git a/Dockerfile b/Dockerfile
index 8621d38..38eb2a6 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 FROM python:3.8-slim
 ENV PYTHONIOENCODING=utf-8
 ENV TIME_ZONE Asia/Shanghai
-
+RUN sudo apt-get update
 RUN apt-get -y install gcc build-essential
 RUN wget -O inst_conda.sh "https://repo.anaconda.com/archive/Anaconda3-2020.11-Linux-x86_64.sh" \
   && /bin/bash inst_conda.sh -b \