Update Dockerfile

Dockerfile

@@ -29,7 +29,6 @@ RUN mkdir -p /home/coder/.local/share/code-server/extensions \
              /home/coder/.local/share/code-server/User/History \
              /home/coder/.local/share/code-server/logs \
              /home/coder/.config/Code/User
-RUN chown -R coder:coder /home/coder
 
 # 将 /home/coder 下所有文件的所有权移交给 coder 用户
 RUN chown -R coder:coder /home/coder
@@ -72,6 +71,8 @@ RUN code-server --install-extension /home/coder/cph-ng-0.5.5.vsix && \
 RUN git clone https://github.com/Save-it/cpp_competition.git /home/coder/cpp_competition && \
     echo '*.exe \n *.out' > /home/coder/cpp_competition/.gitignore
 
+RUN chown -R coder:coder /home/coder
+
 # 设置工作目录和用户
 WORKDIR /home/coder