diff --git a/docker/base-image/Dockerfile b/docker/base-image/Dockerfile
index 89de4d94..32e15eed 100644
--- a/docker/base-image/Dockerfile
+++ b/docker/base-image/Dockerfile
@@ -17,9 +17,10 @@ ENV NODE_PATH=/usr/lib/node_modules
 # Timezone environment
 ENV TZ=Asia/Shanghai
 
-# language environment
+# language environment - support both C.UTF-8 (default) and zh_CN.UTF-8 (Chinese)
 ENV LC_ALL=C.UTF-8
 ENV LANG=C.UTF-8
+ENV LC_CTYPE=zh_CN.UTF-8
 
 # frontend port
 EXPOSE 8080
diff --git a/docker/base-image/install/deps/deps.sh b/docker/base-image/install/deps/deps.sh
index c6f7ed01..289e1b86 100644
--- a/docker/base-image/install/deps/deps.sh
+++ b/docker/base-image/install/deps/deps.sh
@@ -22,7 +22,12 @@ apt-get install -y \
     net-tools \
     fonts-wqy-zenhei \
     fonts-noto-cjk \
-    fontconfig
+    fontconfig \
+    locales
+
+# Generate Chinese locale
+locale-gen zh_CN.UTF-8
+update-locale
 
 # Add source /etc/profile to ~/.bashrc
 echo "source /etc/profile" >> ~/.bashrc
\ No newline at end of file