diff --git a/docker/Dockerfile b/docker/Dockerfile
index 89508cda..e7e2d735 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -1,5 +1,6 @@
 FROM php:7.2
 WORKDIR /root
+ENV LANG="en_US.UTF-8"
 RUN apt-get update && apt-get upgrade -y && apt-get install curl libxml2 libzip-dev git -y
 
 # Install php extensions
@@ -14,4 +15,4 @@ RUN docker-php-ext-enable swoole
 
 VOLUME ["/root/"]
 
-CMD if [ ! -d "CQBot-swoole" ]; then git clone https://github.com/crazywhalecc/CQBot-swoole.git; fi && cd CQBot-swoole/ && bash
\ No newline at end of file
+CMD if [ ! -d "CQBot-swoole" ]; then git clone https://github.com/crazywhalecc/CQBot-swoole.git; fi && cd CQBot-swoole/ && bash