diff --git a/Dockerfile b/Dockerfile
index b2eaf00..253c80b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -26,7 +26,8 @@ RUN npm config set registry https://registry.npmmirror.com
 
 # add oauth router to router.js
 #head -n -1 router.js > temp.txt ; mv temp.txt router.js
-RUN git clone https://mirrors.sustech.edu.cn/git/sustech-cra/overleaf-ldap-oauth2.git /src
+COPY ldap-overleaf-sl /src/ldap-overleaf-sl
+#RUN git clone https://mirrors.sustech.edu.cn/git/sustech-cra/overleaf-ldap-oauth2.git /src
 RUN cat /src/ldap-overleaf-sl/sharelatex/router-append.js
 
 RUN head -n -2 /overleaf/services/web/app/src/router.js > temp.txt ; mv temp.txt /overleaf/services/web/app/src/router.js