diff --git a/userscript.js b/userscript.js
new file mode 100644
index 0000000..90838d3
--- /dev/null
+++ b/userscript.js
@@ -0,0 +1,119 @@
+// ==UserScript==
+// @name         Bilibili Archive Checker
+// @version      1.0
+// @description  多 p 视频只检查 p1 是否存在。
+// @author       yzqzss
+// @match        https://www.bilibili.com/video/*
+// @grant        GM_xmlhttpRequest
+// ==/UserScript==
+
+(function() {
+    'use strict';
+
+    // 从 URL 获取当前视频的 BV 号
+    function getBVNumber() {
+        var url = window.location.href;
+        var bvRegex = /\/video\/(BV\w+)/;
+        var matches = url.match(bvRegex);
+        if (matches && matches.length > 1) {
+            return matches[1];
+        }
+        return null;
+    }
+
+    // 查 archive.org
+    function queryInternetArchive(bvNumber) {
+        var iaUrl = "https://archive.org/services/check_identifier.php?output=json&identifier=BiliBili-" + bvNumber + "_p1";
+        GM_xmlhttpRequest({
+            method: "GET",
+            url: iaUrl,
+            onload: function(response) {
+                var data = JSON.parse(response.responseText);
+                if (data.code === "available") {
+                    showPopup("此视频没有存档过", "red");
+                } else {
+                    showPopup("本视频已存档", "green");
+                }
+            }
+        });
+    }
+
+    // 创建悬浮窗
+    function createPopup() {
+        var popup = document.createElement("div");
+        popup.id = "archive-popup";
+        popup.style.position = "fixed";
+        popup.style.top = "50%";
+        popup.style.right = "10px";
+        popup.style.transform = "translateY(-50%)";
+        popup.style.padding = "10px";
+        popup.style.backgroundColor = "#f0f0f0";
+        popup.style.border = "1px solid #ccc";
+        popup.style.borderRadius = "4px";
+        popup.style.zIndex = "9999";
+        popup.style.opacity = "0.9";
+
+        var text = document.createElement("span");
+        text.style.marginRight = "10px";
+        text.style.color = "#333";
+        text.textContent = "Item Status: ";
+
+        var status = document.createElement("span");
+        status.id = "item-status";
+
+        var copyButton = document.createElement("button");
+        copyButton.textContent = "Copy BV";
+        copyButton.style.marginTop = "10px";
+        copyButton.style.display = "block";
+        copyButton.addEventListener("click", function() {
+            copyBV();
+        });
+
+        popup.appendChild(text);
+        popup.appendChild(status);
+        popup.appendChild(copyButton);
+
+        document.body.appendChild(popup);
+    }
+
+    // 显示悬浮窗
+    function showPopup(message, color) {
+        var popup = document.getElementById("archive-popup");
+        if (!popup) {
+            createPopup();
+        }
+
+        var status = document.getElementById("item-status");
+        if (status) {
+            status.textContent = message;
+        }
+        popup = document.getElementById("archive-popup");
+        popup.style.backgroundColor = color;
+    }
+
+    // 复制 BV 号
+    function copyBV() {
+        var bvNumber = getBVNumber();
+        if (bvNumber) {
+            navigator.clipboard.writeText(bvNumber)
+                .then(function() {
+                    alert("BV号已复制到剪贴板: " + bvNumber);
+                })
+                .catch(function(error) {
+                    console.error("无法复制BV号:", error);
+                });
+        }
+    }
+
+
+
+    function main() {
+        var bvNumber = getBVNumber();
+        if (bvNumber) {
+            queryInternetArchive(bvNumber);
+        }
+    }
+
+
+    main();
+})();