Update Dockerfile

Dockerfile

@@ -58,10 +58,9 @@ USER coder
 # 配置codeserver的语言和扩展
 COPY settings.json /home/coder/.local/share/code-server/User/
 COPY config.yaml /home/coder/.config/code-server/
-COPY create_languagepacks.sh /home/coder/
+COPY --chown=coder:coder create_languagepacks.sh /home/coder/
 COPY cph-ng-0.5.5.vsix /home/coder/
 COPY vscode-luogu.vsix /home/coder/
-RUN chmod +x /home/coder/create_languagepacks.sh
 RUN code-server --install-extension /home/coder/cph-ng-0.5.5.vsix && \
     code-server --install-extension /home/coder/vscode-luogu.vsix && \
     code-server --install-extension ms-ceintl.vscode-language-pack-zh-hans && \