diff --git a/electron/main.js b/electron/main.js
index 053d8d3..657ff95 100644
--- a/electron/main.js
+++ b/electron/main.js
@@ -134,8 +134,9 @@ ipcMain.handle("print-pdf", async (event, pdfDataOrUrl) => {
   let tempFilePath = null;
   
   try {
-    // 如果是 base64 data URI，转换为临时文件
     let pdfPath = pdfDataOrUrl;
+    
+    // 如果是 base64 data URI，转换为临时文件
     if (pdfDataOrUrl.startsWith("data:application/pdf;base64,")) {
       const base64Data = pdfDataOrUrl.replace("data:application/pdf;base64,", "");
       const buffer = Buffer.from(base64Data, "base64");
@@ -145,6 +146,24 @@ ipcMain.handle("print-pdf", async (event, pdfDataOrUrl) => {
       fs.writeFileSync(tempFilePath, buffer);
       pdfPath = `file://${tempFilePath}`;
       log.info("PDF written to temp file:", tempFilePath);
+    } 
+    // 如果是相对路径（Vite 打包后的资源），转换为绝对路径
+    else if (pdfDataOrUrl.startsWith("/assets/")) {
+      const isDev = !app.isPackaged;
+      if (!isDev) {
+        // 生产环境：从 dist 目录加载
+        const absolutePath = path.join(__dirname, "..", "dist", pdfDataOrUrl);
+        pdfPath = `file://${absolutePath}`;
+        log.info("Using bundled PDF:", absolutePath);
+      } else {
+        // 开发环境：Vite 会处理，保持原样
+        pdfPath = `http://localhost:5173${pdfDataOrUrl}`;
+        log.info("Using dev server PDF:", pdfPath);
+      }
+    }
+    // 如果已经是 file:// 或 http(s):// 协议，保持原样
+    else if (!pdfDataOrUrl.startsWith("file://") && !pdfDataOrUrl.startsWith("http")) {
+      pdfPath = `file://${pdfDataOrUrl}`;
     }
 
     // 创建一个隐藏的窗口用于加载PDF
diff --git a/src/assets/testPdf.pdf b/src/assets/testPdf.pdf
new file mode 100644
index 0000000..b00b453
Binary files /dev/null and b/src/assets/testPdf.pdf differ
diff --git a/src/pages/UI8/UI8.tsx b/src/pages/UI8/UI8.tsx
index 9c7cf46..8c502d7 100644
--- a/src/pages/UI8/UI8.tsx
+++ b/src/pages/UI8/UI8.tsx
@@ -8,13 +8,13 @@ import BackButton from "../../components/BackButton";
 import ConfirmButton from "../../components/ConfirmButton";
 import ui8A from "../../assets/ui8A.png";
 import ui8B from "../../assets/ui8B.png";
-
+import testPdf from "../../assets/testPdf.pdf";
 
 // 设置 PDF.js worker（react-pdf 5.7.2 使用 pdfjs-dist 2.12.313）
 pdfjs.GlobalWorkerOptions.workerSrc = `//cdnjs.cloudflare.com/ajax/libs/pdf.js/2.12.313/pdf.worker.min.js`;
 
-const PDF_URL = "https://alist.ambigrat.com/d/cos/test/testPdf.pdf?sign=mELe-vb-ShXHDCtZrP2Hw5nlOvEMEsNkJzaGUUyqDg4=:0";
-
+// 使用本地 PDF 文件进行测试
+const PDF_URL = testPdf;
 const UI8: React.FC = () => {
   const navigate = useNavigate();
   const [numPages, setNumPages] = useState<number>(0);
@@ -28,27 +28,37 @@ const UI8: React.FC = () => {
   const scrollContainerRef = useRef<HTMLDivElement>(null);
   const touchStartRef = useRef<{ x: number; y: number } | null>(null);
 
-  // 加载PDF数据（绕过CORS）
+  // 加载PDF数据
   useEffect(() => {
     const loadPdf = async () => {
-      if (!window.electronAPI?.fetchPdf) {
-        // 非Electron环境，直接使用URL
-        setPdfData(PDF_URL);
-        return;
-      }
-
       try {
         setLoading(true);
-        const result = await window.electronAPI.fetchPdf(PDF_URL);
-        if (result.success && result.data) {
-          // 将base64转换为data URL
-          setPdfData(`data:application/pdf;base64,${result.data}`);
+        
+        // 本地文件直接使用，无需通过 fetchPdf
+        if (PDF_URL.startsWith("/") || PDF_URL.startsWith("blob:") || PDF_URL.includes("assets")) {
+          setPdfData(PDF_URL);
+          setLoading(false);
+          return;
+        }
+
+        // 远程 URL 需要通过 Electron 绕过 CORS
+        if (window.electronAPI?.fetchPdf) {
+          const result = await window.electronAPI.fetchPdf(PDF_URL);
+          if (result.success && result.data) {
+            // 将base64转换为data URL
+            setPdfData(`data:application/pdf;base64,${result.data}`);
+          } else {
+            setError(`PDF加载失败: ${result.error || "未知错误"}`);
+          }
         } else {
-          setError(`PDF加载失败: ${result.error || "未知错误"}`);
+          // 非Electron环境，直接使用URL
+          setPdfData(PDF_URL);
         }
       } catch (err) {
         console.error("PDF fetch error:", err);
         setError("PDF加载失败，请检查网络连接");
+      } finally {
+        setLoading(false);
       }
     };
 
@@ -73,8 +83,9 @@ const UI8: React.FC = () => {
 
     setIsPrinting(true);
     try {
-      // 使用已加载的 PDF 数据（base64），避免重复下载
-      const result = await window.electronAPI.printPdf(pdfData);
+      // 本地文件直接传原始路径，远程文件传 base64 data URI
+      const printData = pdfData.startsWith("data:") ? pdfData : PDF_URL;
+      const result = await window.electronAPI.printPdf(printData);
       if (!result.success) {
         alert(`打印失败: ${result.error || "未知错误"}`);
       }
diff --git a/vite.config.js b/vite.config.js
index 0bef6c9..20e21f1 100644
--- a/vite.config.js
+++ b/vite.config.js
@@ -8,4 +8,5 @@ export default defineConfig({
   server: {
     port: 5173,
   },
+  assetsInclude: ["**/*.pdf"], // 确保 PDF 文件被当作静态资源处理
 });