diff --git a/update b/update
index 20200985..22396229 100644
--- a/update
+++ b/update
@@ -18,8 +18,8 @@ download_and_unzip() {
 install_backend_and_download_resources() {
     if download_and_unzip "https://github.com/jxxghp/MoviePilot/archive/refs/${1}" "App"; then
         echo "后端程序下载成功"
-        pip install "${PIP_OPTIONS}" --upgrade pip
-        if pip install "${PIP_OPTIONS}" -r /tmp/App/requirements.txt; then
+        pip install ${PIP_OPTIONS} --upgrade pip
+        if pip install ${PIP_OPTIONS} -r /tmp/App/requirements.txt; then
             echo "安装依赖成功"
             frontend_version=$(curl ${CURL_OPTIONS} "https://api.github.com/repos/jxxghp/MoviePilot-Frontend/releases/latest" ${CURL_HEADERS} | jq -r .tag_name)
             if [[ "${frontend_version}" == *v* ]]; then