Update Dockerfile

Dockerfile

@@ -14,7 +14,7 @@ RUN version=$(basename $(curl -sL -o /dev/null -w %{url_effective} https://githu
     && tar -xzf ninja.tar.gz
 
 # Set the Chinese language environment and do not interact with APT
-ENV LANG=C.UTF-8 DEBIAN_FRONTEND=noninteractive LANG=en-US.UTF-8 LANGUAGE=en-US.UTF-8 LC_ALL=C
+ENV LANG=C.UTF-8 DEBIAN_FRONTEND=noninteractive LANG=zh_CN.UTF-8 LANGUAGE=zh_CN.UTF-8 LC_ALL=C
 
 # Copy the main `ninja` file to /bin so it can be run from anywhere
 RUN cp ninja /bin/ninja