diff --git a/Dockerfile b/Dockerfile
index 14a317a..5616404 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 # please visit https://github.com/xfyun/aiges/releases to get stable and suitable iamges.
 
-FROM FROM iflyopensource/aiges-gpu:11.2-1.17-3.9.13-ubuntu1804-v3.3.2 
+FROM  iflyopensource/aiges-gpu:11.2-1.17-3.9.13-ubuntu1804-v3.3.2 
 
 RUN sed -i 's@//.*archive.ubuntu.com@//mirrors.ustc.edu.cn@g' /etc/apt/sources.list
 RUN sed -i 's/security.ubuntu.com/mirrors.ustc.edu.cn/g' /etc/apt/sources.list