修复静态资源拉取

shell/update.sh

@@ -263,9 +263,11 @@ update_qinglong() {
     local url="https://ghproxy.com/https://github.com/whyour/qinglong-static.git"
     if [ -d ${ql_static_repo}/.git ]; then
         reset_romote_url ${ql_static_repo} ${url}
+        cd ${ql_static_repo}
         git fetch --all
         exit_status=$?
         git reset --hard origin/master
+        cd $dir_root
     else
         git_clone_scripts ${url} ${ql_static_repo}
     fi