diff --git a/src/locales/ach-UG/translation.json b/src/locales/ach-UG/translation.json
index cf254e349..7b984f867 100644
--- a/src/locales/ach-UG/translation.json
+++ b/src/locales/ach-UG/translation.json
@@ -325,8 +325,10 @@
     "header_other_update": "crwdns12784:0crwdne12784:0"
   },
   "downloading_status_text": "Downloading. Received {{bytes}}.",
-  "install_page_loading": "Installation page loading",
-  "invalid_page": "Invalid page",
+  "install_page_please_wait": "Please wait",
+  "install_page_loading": "Loading Installation Page",
+  "install_page_load_failed": "Failed to Load Installation Page",
+  "invalid_page": "Invalid Page",
   "background_script_tag": "crwdns8460:0crwdne8460:0",
   "scheduled_script_tag": "crwdns8462:0crwdne8462:0",
   "background_script": "crwdns8464:0crwdne8464:0",
diff --git a/src/locales/de-DE/translation.json b/src/locales/de-DE/translation.json
index 6ea643df8..dc389e7ea 100644
--- a/src/locales/de-DE/translation.json
+++ b/src/locales/de-DE/translation.json
@@ -334,7 +334,9 @@
     "header_other_update": "Andere verfügbare Updates"
   },
   "downloading_status_text": "Wird heruntergeladen. {{bytes}} empfangen.",
+  "install_page_please_wait": "Bitte warten Sie",
   "install_page_loading": "Installationsseite wird geladen",
+  "install_page_load_failed": "Installationsseite konnte nicht geladen werden",
   "invalid_page": "Ungültige Seite",
   "background_script_tag": "Dies ist ein Hintergrundskript",
   "scheduled_script_tag": "Dies ist ein geplantes Skript",
diff --git a/src/locales/en-US/translation.json b/src/locales/en-US/translation.json
index 1091314dd..006a3af2d 100644
--- a/src/locales/en-US/translation.json
+++ b/src/locales/en-US/translation.json
@@ -334,8 +334,10 @@
     "header_other_update": "Other available updates"
   },
   "downloading_status_text": "Downloading. Received {{bytes}}.",
-  "install_page_loading": "Installation page loading",
-  "invalid_page": "Invalid page",
+  "install_page_please_wait": "Please wait",
+  "install_page_loading": "Loading Installation Page",
+  "install_page_load_failed": "Failed to Load Installation Page",
+  "invalid_page": "Invalid Page",
   "background_script_tag": "This is a Background Script",
   "scheduled_script_tag": "This is a Scheduled Script",
   "background_script": "Background Script",
diff --git a/src/locales/ja-JP/translation.json b/src/locales/ja-JP/translation.json
index 346ac1524..68a3db516 100644
--- a/src/locales/ja-JP/translation.json
+++ b/src/locales/ja-JP/translation.json
@@ -334,7 +334,9 @@
     "header_other_update": "その他の利用可能な更新"
   },
   "downloading_status_text": "ダウンロード中。{{bytes}} を受信しました。",
+  "install_page_please_wait": "しばらくお待ちください",
   "install_page_loading": "インストールページを読み込み中",
+  "install_page_load_failed": "インストールページの読み込みに失敗しました",
   "invalid_page": "無効なページ",
   "background_script_tag": "これはバックグラウンドスクリプトです",
   "scheduled_script_tag": "これはスケジュールスクリプトです",
diff --git a/src/locales/ru-RU/translation.json b/src/locales/ru-RU/translation.json
index cc80fe49e..f3da00dc2 100644
--- a/src/locales/ru-RU/translation.json
+++ b/src/locales/ru-RU/translation.json
@@ -334,7 +334,9 @@
     "header_other_update": "Другие доступные обновления"
   },
   "downloading_status_text": "Загрузка. Получено {{bytes}}.",
+  "install_page_please_wait": "Пожалуйста, подождите",
   "install_page_loading": "Загрузка страницы установки",
+  "install_page_load_failed": "Не удалось загрузить страницу установки",
   "invalid_page": "Недействительная страница",
   "background_script_tag": "Это фоновый скрипт",
   "scheduled_script_tag": "Это запланированный скрипт",
diff --git a/src/locales/vi-VN/translation.json b/src/locales/vi-VN/translation.json
index f16febc99..ed482f3ed 100644
--- a/src/locales/vi-VN/translation.json
+++ b/src/locales/vi-VN/translation.json
@@ -334,7 +334,9 @@
     "header_other_update": "Các bản cập nhật khác"
   },
   "downloading_status_text": "Đang tải xuống. Đã nhận {{bytes}}.",
+  "install_page_please_wait": "Vui lòng chờ",
   "install_page_loading": "Đang tải trang cài đặt",
+  "install_page_load_failed": "Tải trang cài đặt thất bại",
   "invalid_page": "Trang không hợp lệ",
   "background_script_tag": "Đây là một script nền",
   "scheduled_script_tag": "Đây là một script hẹn giờ",
diff --git a/src/locales/zh-CN/translation.json b/src/locales/zh-CN/translation.json
index 508c9ea3d..80be7c663 100644
--- a/src/locales/zh-CN/translation.json
+++ b/src/locales/zh-CN/translation.json
@@ -334,7 +334,9 @@
     "header_other_update": "其他可用更新"
   },
   "downloading_status_text": "正在下载。已接收 {{bytes}}。",
+  "install_page_please_wait": "请稍等",
   "install_page_loading": "安装页面加载中",
+  "install_page_load_failed": "安装页面加载失败",
   "invalid_page": "无效页面",
   "background_script_tag": "这是一个后台脚本",
   "scheduled_script_tag": "这是一个定时脚本",
diff --git a/src/locales/zh-TW/translation.json b/src/locales/zh-TW/translation.json
index abb5c289d..c384e2ab4 100644
--- a/src/locales/zh-TW/translation.json
+++ b/src/locales/zh-TW/translation.json
@@ -334,7 +334,9 @@
     "header_other_update": "其他可用更新"
   },
   "downloading_status_text": "正在下載。已接收 {{bytes}}。",
-  "install_page_loading": "安裝頁載入中",
+  "install_page_please_wait": "請稍等",
+  "install_page_loading": "安裝頁面載入中",
+  "install_page_load_failed": "安裝頁面載入失敗",
   "invalid_page": "無效頁面",
   "background_script_tag": "這是一個背景腳本",
   "scheduled_script_tag": "這是一個排程腳本",
diff --git a/src/pages/install/App.tsx b/src/pages/install/App.tsx
index b0d3c229c..01c2817fc 100644
--- a/src/pages/install/App.tsx
+++ b/src/pages/install/App.tsx
@@ -225,13 +225,13 @@ function App() {
     try {
       const uuid = searchParams.get("uuid");
       const fid = searchParams.get("file");
-      let info: ScriptInfo | undefined;
-      let isKnownUpdate: boolean = false;
 
-      // 如果没有 uuid 和 file，跳过初始化逻辑
-      if (!uuid && !fid) {
+      // 如果有 url 或 没有 uuid 和 file，跳过初始化逻辑
+      if (searchParams.get("url") || (!uuid && !fid)) {
         return;
       }
+      let info: ScriptInfo | undefined;
+      let isKnownUpdate: boolean = false;
 
       if (window.history.length > 1) {
         setDoBackwards(true);
@@ -649,84 +649,107 @@ function App() {
   }, [memoWatchFile]);
 
   // 检查是否有 uuid 或 file
-  const hasUUIDorFile = useMemo(() => {
-    return !!(searchParams.get("uuid") || searchParams.get("file"));
-  }, [searchParams]);
+  const searchParamUrl = searchParams.get("url");
+  const hasValidSourceParam = !searchParamUrl && !!(searchParams.get("uuid") || searchParams.get("file"));
 
   const urlHref = useMemo(() => {
-    try {
-      if (!hasUUIDorFile) {
-        const url = searchParams.get("url");
-        if (url) {
-          const urlObject = new URL(url);
+    if (!hasValidSourceParam) {
+      let rawUrl;
+      try {
+        // 取url=之后的所有内容
+        rawUrl = location.search.match(/\?url=([^&]+)/)?.[1] || "";
+        if (rawUrl) {
+          const urlObject = new URL(rawUrl);
+          // 验证解析后的 URL 是否具备核心要素，确保安全性与合法性
           if (urlObject.protocol && urlObject.hostname && urlObject.pathname) {
-            return urlObject.href;
+            return rawUrl;
           }
         }
+      } catch {
+        // ignored
       }
-    } catch {
-      // ignored
     }
     return "";
-  }, [hasUUIDorFile, searchParams]);
+  }, [hasValidSourceParam]);
 
   const [fetchingState, setFetchingState] = useState({
     loadingStatus: "",
     errorStatus: "",
   });
 
-  const loadURLAsync = async (urlHref: string) => {
-    try {
-      const { code, metadata } = await fetchScriptBody(urlHref, {
+  const loadURLAsync = async (url: string) => {
+    // 1. 定义获取单个脚本的内部逻辑，负责处理进度条与单次错误
+    const fetchValidScript = async () => {
+      const result = await fetchScriptBody(url, {
         onProgress: (info: { receivedLength: number }) => {
           setFetchingState((prev) => ({
             ...prev,
-            loadingStatus: t("downloading_status_text", { bytes: `${formatBytes(info.receivedLength)}` }),
+            loadingStatus: t("downloading_status_text", { bytes: formatBytes(info.receivedLength) }),
           }));
         },
       });
-      const update = false;
+      if (result.code && result.metadata) {
+        return { result, url } as const; // 找到有效的立即返回
+      }
+      throw new Error(t("install_page_load_failed"));
+    };
+
+    try {
+      // 2. 执行获取
+      const { result, url } = await fetchValidScript();
+      const { code, metadata } = result;
+
+      // 3. 处理数据与缓存
       const uuid = uuidv4();
-      const url = urlHref;
-      const upsertBy = "user";
-
-      const si = [update, createScriptInfo(uuid, code, url, upsertBy, metadata)];
-      await cacheInstance.set(`${CACHE_KEY_SCRIPT_INFO}${uuid}`, si);
-      setSearchParams(
-        (prev) => {
-          prev.delete("url");
-          prev.set("uuid", uuid);
-          return prev;
-        },
-        { replace: true }
-      );
+      const scriptData = [false, createScriptInfo(uuid, code, url, "user", metadata)];
+
+      await cacheInstance.set(`${CACHE_KEY_SCRIPT_INFO}${uuid}`, scriptData);
+
+      // 4. 更新导向
+      setSearchParams(new URLSearchParams(`?uuid=${uuid}`), { replace: true });
     } catch (err: any) {
-      const errMessage = `${err.message || err}`;
+      // 5. 统一错误处理
       setFetchingState((prev) => ({
         ...prev,
         loadingStatus: "",
-        errorStatus: errMessage,
+        errorStatus: `${err?.message || err}`,
       }));
     }
   };
 
+  const handleUrlChangeAndFetch = (targetUrlHref: string) => {
+    setFetchingState((prev) => ({
+      ...prev,
+      loadingStatus: t("install_page_please_wait"),
+    }));
+    loadURLAsync(targetUrlHref);
+  };
+
+  // 有 url 的话下载内容
   useEffect(() => {
-    if (!urlHref) return;
-    loadURLAsync(urlHref);
+    if (urlHref) handleUrlChangeAndFetch(urlHref);
+    // eslint-disable-next-line react-hooks/exhaustive-deps
   }, [urlHref]);
 
-  if (!hasUUIDorFile) {
+  if (!hasValidSourceParam) {
     return urlHref ? (
       <div className="tw-flex tw-justify-center tw-items-center tw-h-screen">
         <Space direction="vertical" align="center">
-          <Typography.Title heading={3}>{t("install_page_loading")}</Typography.Title>
           {fetchingState.loadingStatus && (
-            <div className="downloading">
-              <Typography.Text>{fetchingState.loadingStatus}</Typography.Text>
-              <div className="loader"></div>
-            </div>
+            <>
+              <Typography.Title heading={3}>{t("install_page_loading")}</Typography.Title>
+              <div className="downloading">
+                <Typography.Text>{fetchingState.loadingStatus}</Typography.Text>
+                <div className="loader"></div>
+              </div>
+            </>
+          )}
+          {fetchingState.errorStatus && (
+            <>
+              <Typography.Title heading={3}>{t("install_page_load_failed")}</Typography.Title>
+              <div className="error-message">{fetchingState.errorStatus}</div>
+            </>
           )}
-          {fetchingState.errorStatus && <div className="error-message">{fetchingState.errorStatus}</div>}
         </Space>
       </div>
     ) : (