diff --git a/app/api/endpoints/plugin.py b/app/api/endpoints/plugin.py
index 6a2a1f1d..d8a10b9a 100644
--- a/app/api/endpoints/plugin.py
+++ b/app/api/endpoints/plugin.py
@@ -22,6 +22,8 @@ def all_plugins(_: schemas.TokenPayload = Depends(verify_token)) -> Any:
     local_plugins = PluginManager().get_local_plugins()
     # 在线插件
     online_plugins = PluginManager().get_online_plugins()
+    if not online_plugins:
+        return local_plugins
     # 已安装插件IDS
     installed_ids = SystemConfigOper().get(SystemConfigKey.UserInstalledPlugins) or []
     # 已经安装的本地
diff --git a/update b/update
index 2253e3d3..e17dba6b 100644
--- a/update
+++ b/update
@@ -1,52 +1,51 @@
 #!/bin/bash
 
-if [ -n "${PROXY_HOST}" ]; then
-    CURL_OPTIONS="-sL -x ${PROXY_HOST}"
-    PIP_OPTIONS="--proxy=${PROXY_HOST}"
-    echo "使用代理更新程序"
-else
-    CURL_OPTIONS="-sL"
-    echo "不使用代理更新程序"
-fi
-
-if [ "${MOVIEPILOT_AUTO_UPDATE_DEV}" = "true" ]; then
-    echo "Dev 更新模式"
-    curl ${CURL_OPTIONS} "https://github.com/jxxghp/MoviePilot/archive/refs/heads/main.zip" | busybox unzip -d /tmp -
+# Common function to download and unzip files
+download_and_unzip() {
+    url="$1"
+    target_dir="$2"
+    echo "正在下载 ${url}..."
+    curl ${CURL_OPTIONS} "$url" | busybox unzip -d /tmp -
+    if [ $? -eq 0 ]; then
+        echo "下载成功"
+        if [ -e /tmp/MoviePilot-* ]; then
+            mv /tmp/MoviePilot-* /tmp/${target_dir}
+        fi
+    else
+        return 1
+    fi
+}
+
+# Common function to install backend and download resources
+install_backend_and_download_resources() {
+    download_and_unzip "https://github.com/jxxghp/MoviePilot/archive/refs/${1}" "App"
     if [ $? -eq 0 ]; then
-        mv /tmp/MoviePilot-main /tmp/app
         echo "后端程序下载成功"
-        # 重新安装依赖
         pip install ${PIP_OPTIONS} --upgrade pip
-        pip install ${PIP_OPTIONS} -r /tmp/app/requirements.txt
+        pip install ${PIP_OPTIONS} -r /tmp/App/requirements.txt
         if [ $? -eq 0 ]; then
             echo "安装依赖成功"
-            # 下载插件
-            echo "正在下载插件..."
-            curl ${CURL_OPTIONS} "https://github.com/jxxghp/MoviePilot-Plugins/archive/refs/heads/main.zip" | busybox unzip -d /tmp -
+            download_and_unzip "https://github.com/jxxghp/MoviePilot-Plugins/archive/refs/heads/main.zip" "Plugins"
             if [ $? -eq 0 ]; then
                 echo "插件下载成功"
-                # 下载资源
-                echo "正在下载资源包..."
-                curl ${CURL_OPTIONS} "https://github.com/jxxghp/MoviePilot-Resources/archive/refs/heads/main.zip" | busybox unzip -d /tmp -
+                download_and_unzip "https://github.com/jxxghp/MoviePilot-Resources/archive/refs/heads/main.zip" "Resources"
                 if [ $? -eq 0 ]; then
                     echo "资源包下载成功"
-                    # 检查前端最新版本
                     frontend_version=$(curl ${CURL_OPTIONS} "https://api.github.com/repos/jxxghp/MoviePilot-Frontend/releases/latest" | jq -r .tag_name)
                     if [[ "${frontend_version}" == *v* ]]; then
-                        echo "正在下载前端程序 ${frontend_version}..."
-                        curl ${CURL_OPTIONS} "https://github.com/jxxghp/MoviePilot-Frontend/releases/download/${frontend_version}/dist.zip" | busybox unzip -d /tmp -
+                        download_and_unzip "https://github.com/jxxghp/MoviePilot-Frontend/releases/download/${frontend_version}/dist.zip" "dist"
                         if [ $? -eq 0 ]; then
                             echo "前端程序下载成功"
                             rm -rf /app
-                            mv /tmp/app /app
+                            mv /tmp/App /app
                             rm -rf /public
                             mv /tmp/dist /public
-                            mv /tmp/MoviePilot-Plugins-main/plugins/* /app/app/plugins/
-                            mv /tmp/MoviePilot-Resources-main/resources/* /app/app/helper/
+                            mv /tmp/Plugins/plugins/* /app/app/plugins/
+                            mv /tmp/Resources/resources/* /app/app/helper/
                             mkdir -p /app/config/sites
                             mv /app/app/helper/user.sites.bin /app/config/sites/user.sites.bin
-                            rm -rf /tmp/MoviePilot-*
-                            echo "程序更新成功，前端版本：${frontend_version}"
+                            rm -rf /tmp/*
+                            echo "程序更新成功，前端版本：${frontend_version}，后端版本：${1}"
                         else
                             echo "前端程序下载失败，继续使用旧的程序来启动..."
                         fi
@@ -65,72 +64,34 @@ if [ "${MOVIEPILOT_AUTO_UPDATE_DEV}" = "true" ]; then
     else
         echo "后端程序下载失败，继续使用旧的程序来启动..."
     fi
+}
+
+# ...
+
+if [ -n "${PROXY_HOST}" ]; then
+    CURL_OPTIONS="-sL -x ${PROXY_HOST}"
+    PIP_OPTIONS="--proxy=${PROXY_HOST}"
+    echo "使用代理更新程序"
+else
+    CURL_OPTIONS="-sL"
+    echo "不使用代理更新程序"
+fi
+
+if [ "${MOVIEPILOT_AUTO_UPDATE_DEV}" = "true" ]; then
+    echo "Dev 更新模式"
+    install_backend_and_download_resources "heads/main.zip"
 else
     old_version=$(cat /app/version.py)
     if [[ "${old_version}" == *APP_VERSION* ]]; then
         current_version=v$(echo ${old_version} | sed -ne "s/APP_VERSION\s=\s'v\(.*\)'/\1/gp")
         echo "当前版本号：${current_version}"
-        # 检查后端最新版本
         new_version=$(curl ${CURL_OPTIONS} "https://api.github.com/repos/jxxghp/MoviePilot/releases/latest" | jq -r .tag_name)
         if [[ "${new_version}" == *v* ]]; then
             release_version=${new_version}
             echo "最新版本号：${release_version}"
             if [ "${current_version}" != "${release_version}" ]; then
                 echo "发现新版本，开始自动升级..."
-                echo "正在下载后端程序 ${release_version}..."
-                curl ${CURL_OPTIONS} "https://github.com/jxxghp/MoviePilot/archive/refs/tags/${release_version}.zip" | busybox unzip -d /tmp -
-                if [ $? -eq 0 ]; then
-                    echo "后端程序下载成功"
-                    # 重新安装依赖
-                    pip install ${PIP_OPTIONS} --upgrade pip
-                    pip install ${PIP_OPTIONS} -r /tmp/MoviePilot*/requirements.txt
-                    if [ $? -eq 0 ]; then
-                        echo "安装依赖成功"
-                        # 下载插件
-                        echo "正在下载插件..."
-                        curl ${CURL_OPTIONS} "https://github.com/jxxghp/MoviePilot-Plugins/archive/refs/heads/main.zip" | busybox unzip -d /tmp -
-                        if [ $? -eq 0 ]; then
-                            echo "插件下载成功"
-                            # 下载资源
-                            echo "正在下载资源包..."
-                            curl ${CURL_OPTIONS} "https://github.com/jxxghp/MoviePilot-Resources/archive/refs/heads/main.zip" | busybox unzip -d /tmp -
-                            if [ $? -eq 0 ]; then
-                                echo "资源包下载成功"
-                                # 检查前端最新版本
-                                frontend_version=$(curl ${CURL_OPTIONS} "https://api.github.com/repos/jxxghp/MoviePilot-Frontend/releases/latest" | jq -r .tag_name)
-                                if [[ "${frontend_version}" == *v* ]]; then
-                                    echo "正在下载前端程序 ${frontend_version}..."
-                                    curl ${CURL_OPTIONS} "https://github.com/jxxghp/MoviePilot-Frontend/releases/download/${frontend_version}/dist.zip" | busybox unzip -d /tmp -
-                                    if [ $? -eq 0 ]; then
-                                        echo "前端程序下载成功"
-                                        rm -rf /app
-                                        mv /tmp/MoviePilot* /app
-                                        rm -rf /public
-                                        mv /tmp/dist /public
-                                        mv /tmp/MoviePilot-Plugins-main/plugins/* /app/app/plugins/
-                                        mv /tmp/MoviePilot-Resources-main/resources/* /app/app/helper/
-                                        mkdir -p /app/config/sites
-                                        mv /app/app/helper/user.sites.bin /app/config/sites/user.sites.bin
-                                        rm -rf /tmp/MoviePilot-*
-                                        echo "程序更新成功，前端版本：${frontend_version}，后端版本：${release_version}"
-                                    else
-                                        echo "前端程序下载失败，继续使用旧的程序来启动..."
-                                    fi
-                                else
-                                    echo "前端最新版本号获取失败，继续启动..."
-                                fi
-                            else
-                                echo "资源包下载失败，继续使用旧的程序来启动..."
-                            fi
-                        else
-                            echo "插件下载失败，继续使用旧的程序来启动..."
-                        fi
-                    else
-                        echo "安装依赖失败，请重新拉取镜像"
-                    fi
-                else
-                    echo "后端程序下载失败，继续使用旧的程序来启动..."
-                fi
+                install_backend_and_download_resources "tags/${release_version}.zip"
             else
                 echo "未发现新版本，跳过更新步骤..."
             fi