diff --git a/Dockerfile b/Dockerfile
index 424e23d..b1ccaa8 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -44,7 +44,7 @@ RUN true \
   # 修改时区
   && ln -sf /usr/share/zoneinfo/PRC /etc/localtime \
   # just for fun
-  && echo 'ZSH_THEME="random"' > ~/.oh-my-zsh/custom/custom.zsh
+  && echo 'ZSH_THEME="ys"' > ~/.oh-my-zsh/custom/custom.zsh
 
 EXPOSE 80 8080
 
@@ -54,4 +54,4 @@ WORKDIR /workspace
 
 VOLUME /workspace
 
-CMD ["zsh"]
\ No newline at end of file
+CMD ["zsh"]