diff --git a/Dockerfile_gray b/Dockerfile_gray
index f983003..0b1ec5f 100644
--- a/Dockerfile_gray
+++ b/Dockerfile_gray
@@ -1,6 +1,6 @@
 FROM openjdk:8u181-jre-alpine
 ENV LANG en_US.UTF-8
-mkdir -p /usr/share/fonts/chinese
+
 COPY /usr/share/fonts/korean/* /usr/share/fonts/chinese/
 RUN set -eux && sed -i 's/dl-cdn.alpinelinux.org/mirrors.ustc.edu.cn/g' /etc/apk/repositories &&\
     apk add tzdata  &&\