diff --git a/Dockerfile b/Dockerfile
index 531d408f..012fd015 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -16,7 +16,7 @@ ENV LANG="C.UTF-8" \
     IYUU_SIGN=""
 WORKDIR "/app"
 
-RUN ed -i 's/deb.debian.org/mirrors.ustc.edu.cn/g' /etc/apt/sources.list.d/debian.sources
+RUN sed -i 's/deb.debian.org/mirrors.ustc.edu.cn/g' /etc/apt/sources.list.d/debian.sources
 
 RUN apt-get update -y \
     && apt-get upgrade -y \