diff --git a/Dockerfile_samba b/Dockerfile_samba
index b1bc353..f9c1cbb 100644
--- a/Dockerfile_samba
+++ b/Dockerfile_samba
@@ -51,7 +51,7 @@ RUN yum -y install https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.n
     && yum -y install kde-l10n-Chinese \
     && yum -y reinstall glibc-common \
     && localedef -c -f UTF-8 -i zh_CN zh_CN.utf8 \
-    && echo 'LANG="zh_CN.UTF-8"' >> /etc/locale.conf \
+    && echo 'LANG="zh_CN.UTF-8"' > /etc/locale.conf \
     && echo 'export LC_ALL="zh_CN.UTF-8"' >> ~/.bashrc
 
 EXPOSE 9000/tcp
diff --git a/bin/install.sh b/bin/install.sh
index 7dd58c8..66e693c 100755
--- a/bin/install.sh
+++ b/bin/install.sh
@@ -26,7 +26,7 @@ sed -i 's/upload_max_filesize = 2M/upload_max_filesize = 10M/g' php.ini
 yum -y install kde-l10n-Chinese
 yum -y reinstall glibc-common
 localedef -c -f UTF-8 -i zh_CN zh_CN.utf8
-echo 'LANG="zh_CN.UTF-8"' >> /etc/locale.conf
+echo 'LANG="zh_CN.UTF-8"' > /etc/locale.conf
 echo 'export LC_ALL="zh_CN.UTF-8"' >> ~/.bashrc
 
 ## start php-fpm in background
diff --git a/conf/smb.conf b/conf/smb.conf
index 20211c8..5c007d7 100644
--- a/conf/smb.conf
+++ b/conf/smb.conf
@@ -1,7 +1,6 @@
 [global]
     dos charset = cp866
     unix charset = UTF8
-    display charset = UTF8
 
 [machete]
     path = /var/www/sambashare/filesite