diff --git a/hexo/Dockerfile b/hexo/Dockerfile
index d443ebe..a7fd2dd 100644
--- a/hexo/Dockerfile
+++ b/hexo/Dockerfile
@@ -16,7 +16,9 @@ RUN cd $BASH_PATH && \
     git checkout $NVM_VERSION && \
     source $BASH_PATH/.nvm/nvm.sh && \
     nvm install $NODE_VERSION && \
-    npm install -g hexo-cli
+    npm install -g hexo-cli && \
+    npm npm install hexo-renderer-jade@0.3.0 --save && \
+    npm install hexo-renderer-stylus --save
 
 RUN mkdir /logs
 
diff --git a/hexo/start.sh b/hexo/start.sh
index dbdb872..e48150d 100644
--- a/hexo/start.sh
+++ b/hexo/start.sh
@@ -1,10 +1,14 @@
 #!/bin/bash
 
 if [ ! -e /hexo ]; then
-  if [ -n "$REPOSITORY" ]; then
     cd /;
     git clone -b $BRANCH $REPOSITORY hexo;
-  fi
+fi
+
+if [ -e /hexo ]; then
+    rm -rf /hexo;
+    cd /;
+    git clone -b $BRANCH $REPOSITORY hexo;
 fi