diff --git a/electron/main.js b/electron/main.js
index d8eb82f..59f050d 100644
--- a/electron/main.js
+++ b/electron/main.js
@@ -64,6 +64,7 @@ function createWindow() {
     height: 1920,
     fullscreen: true, // 全屏
     frame: false, // 无边框
+    icon: path.join(__dirname, "../resources/icon.ico"), // 设置窗口图标
     webPreferences: {
       preload: path.join(__dirname, "preload.js"),
       nodeIntegration: false,
@@ -195,15 +196,22 @@ ipcMain.handle("print-pdf", async (event, pdfDataOrUrl, printOptions = {}) => {
         }
 
         // 创建临时文件
-        tempFilePath = path.join(os.tmpdir(), `print_${Date.now()}_${Math.random().toString(36).substring(7)}.pdf`);
+        tempFilePath = path.join(
+          os.tmpdir(),
+          `print_${Date.now()}_${Math.random().toString(36).substring(7)}.pdf`
+        );
         fs.writeFileSync(tempFilePath, buffer);
         pdfFilePath = tempFilePath;
 
         const fileSize = fs.statSync(tempFilePath).size;
-        log.info(`PDF written to temp file: ${tempFilePath}, size: ${fileSize} bytes`);
+        log.info(
+          `PDF written to temp file: ${tempFilePath}, size: ${fileSize} bytes`
+        );
 
         if (fileSize < 1024) {
-          throw new Error(`PDF文件大小异常（${fileSize} bytes），可能数据不完整`);
+          throw new Error(
+            `PDF文件大小异常（${fileSize} bytes），可能数据不完整`
+          );
         }
       } catch (err) {
         log.error("Base64解码或文件写入失败:", err);
@@ -211,32 +219,39 @@ ipcMain.handle("print-pdf", async (event, pdfDataOrUrl, printOptions = {}) => {
       }
     }
     // 如果是HTTP/HTTPS URL，先下载
-    else if (pdfDataOrUrl.startsWith("http://") || pdfDataOrUrl.startsWith("https://")) {
+    else if (
+      pdfDataOrUrl.startsWith("http://") ||
+      pdfDataOrUrl.startsWith("https://")
+    ) {
       log.info("Downloading PDF from URL:", pdfDataOrUrl);
       const protocol = pdfDataOrUrl.startsWith("https") ? https : http;
 
       const buffer = await new Promise((resolve, reject) => {
-        protocol.get(pdfDataOrUrl, (response) => {
-          // 处理重定向
-          if (response.statusCode === 301 || response.statusCode === 302) {
-            const redirectUrl = response.headers.location;
-            protocol.get(redirectUrl, (redirectResponse) => {
+        protocol
+          .get(pdfDataOrUrl, (response) => {
+            // 处理重定向
+            if (response.statusCode === 301 || response.statusCode === 302) {
+              const redirectUrl = response.headers.location;
+              protocol
+                .get(redirectUrl, (redirectResponse) => {
+                  const chunks = [];
+                  redirectResponse.on("data", (chunk) => chunks.push(chunk));
+                  redirectResponse.on("end", () => {
+                    resolve(Buffer.concat(chunks));
+                  });
+                  redirectResponse.on("error", reject);
+                })
+                .on("error", reject);
+            } else {
               const chunks = [];
-              redirectResponse.on("data", (chunk) => chunks.push(chunk));
-              redirectResponse.on("end", () => {
+              response.on("data", (chunk) => chunks.push(chunk));
+              response.on("end", () => {
                 resolve(Buffer.concat(chunks));
               });
-              redirectResponse.on("error", reject);
-            }).on("error", reject);
-          } else {
-            const chunks = [];
-            response.on("data", (chunk) => chunks.push(chunk));
-            response.on("end", () => {
-              resolve(Buffer.concat(chunks));
-            });
-            response.on("error", reject);
-          }
-        }).on("error", reject);
+              response.on("error", reject);
+            }
+          })
+          .on("error", reject);
       });
 
       // 验证PDF文件头
@@ -244,12 +259,17 @@ ipcMain.handle("print-pdf", async (event, pdfDataOrUrl, printOptions = {}) => {
         throw new Error("下载的文件不是有效的PDF");
       }
 
-      tempFilePath = path.join(os.tmpdir(), `print_${Date.now()}_${Math.random().toString(36).substring(7)}.pdf`);
+      tempFilePath = path.join(
+        os.tmpdir(),
+        `print_${Date.now()}_${Math.random().toString(36).substring(7)}.pdf`
+      );
       fs.writeFileSync(tempFilePath, buffer);
       pdfFilePath = tempFilePath;
 
       const fileSize = fs.statSync(tempFilePath).size;
-      log.info(`PDF downloaded to temp file: ${tempFilePath}, size: ${fileSize} bytes`);
+      log.info(
+        `PDF downloaded to temp file: ${tempFilePath}, size: ${fileSize} bytes`
+      );
     }
     // 如果是本地文件路径
     else if (pdfDataOrUrl.startsWith("file://")) {
@@ -280,7 +300,11 @@ ipcMain.handle("print-pdf", async (event, pdfDataOrUrl, printOptions = {}) => {
       throw new Error(`PDF文件大小异常（${stats.size} bytes），可能文件损坏`);
     }
 
-    log.info(`准备打印PDF: ${pdfFilePath}, 打印机: ${targetPrinterName || "默认打印机"}`);
+    log.info(
+      `准备打印PDF: ${pdfFilePath}, 打印机: ${
+        targetPrinterName || "默认打印机"
+      }`
+    );
 
     // 使用 pdf-to-printer 打印
     const printOptions_ptp = {
diff --git a/index.html b/index.html
index 1363056..638e875 100644
--- a/index.html
+++ b/index.html
@@ -3,7 +3,7 @@
   <head>
     <meta charset="UTF-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <title>Electron + React App</title>
+    <title>自助签到</title>
   </head>
   <body>
     <div id="root"></div>
diff --git a/package.json b/package.json
index 488f580..6f24d4a 100644
--- a/package.json
+++ b/package.json
@@ -40,7 +40,7 @@
   },
   "build": {
     "appId": "com.yuanhe.checkin",
-    "productName": "YuanheCheckin",
+    "productName": "自助签到",
     "directories": {
       "output": "release"
     },
@@ -55,6 +55,7 @@
       }
     ],
     "win": {
+      "icon": "resources/icon.ico",
       "target": [
         "nsis",
         "portable"
diff --git a/resources/icon.ico b/resources/icon.ico
new file mode 100644
index 0000000..12b4428
Binary files /dev/null and b/resources/icon.ico differ