diff --git a/src/main/ipc.js b/src/main/ipc.js
index 2a96145..ebe1e32 100644
--- a/src/main/ipc.js
+++ b/src/main/ipc.js
@@ -244,39 +244,49 @@ export function setupIPC() {
   });
 
   // 下载文件并打开下载目录
-  ipcMain.handle('downloadFile', async (event, { fileUrl }) => {
+    ipcMain.handle('downloadFile', async (event, fileUrl) => {
 
     logger.info("=============================开始下载文件:",fileUrl)
 
-    try {
-      // 从URL中提取文件名
-      const url = new URL(fileUrl);
-      const pathname = url.pathname;
-      let fileName = path.basename(pathname);
 
-      // 如果URL中没有文件名或文件名为空，使用默认名称
-      if (!fileName || fileName === '' || fileName === '/') {
+    try {
+      // 解码URL
+      fileUrl = decodeURI(fileUrl);
+
+      // 简单提取文件名：从URL路径的最后一部分获取
+      let fileName = '';
+      try {
+        const url = new URL(fileUrl);
+        const pathSegments = url.pathname.split('/').filter(segment => segment);
+        fileName = pathSegments[pathSegments.length - 1] || '';
+      } catch (error) {
+        // 如果URL解析失败，尝试直接从字符串中提取
+        const urlParts = fileUrl.split('/');
+        fileName = urlParts[urlParts.length - 1] || '';
+      }
+      
+      // 解码文件名，解决中文乱码问题
+      try {
+        fileName = decodeURIComponent(fileName);
+      } catch (error) {
+        // 如果解码失败，保持原文件名
+        logger.warn(`文件名解码失败: ${fileName}`);
+      }
+      
+      // 如果提取的文件名为空，使用时间戳生成默认名称
+      if (!fileName || fileName === '') {
         fileName = `downloaded_file_${Date.now()}`;
       }
 
-      // 如果文件名没有扩展名，尝试从Content-Disposition头获取
-      const response = await axios({
-        method: "head",
-        url: fileUrl
-      });
-
-      const contentDisposition = response.headers["content-disposition"];
-      if (contentDisposition) {
-        const filenameMatch = contentDisposition.match(/filename[^;=\n]*=((['"]).*?\2|[^;\n]*)/);
-        if (filenameMatch && filenameMatch[1]) {
-          const extractedFileName = filenameMatch[1].replace(/['"]/g, '');
-          if (extractedFileName && path.extname(extractedFileName)) {
-            fileName = extractedFileName;
-          }
-        }
+      // 获取用户下载目录
+      const downloadDir = path.join(os.homedir(), 'Downloads');
+      
+      // 确保下载目录存在
+      if (!fs.existsSync(downloadDir)) {
+        fs.mkdirSync(downloadDir, { recursive: true });
       }
-
-      const outputLocationPath = path.join(os.tmpdir(), fileName);
+      
+      const outputLocationPath = path.join(downloadDir, fileName);
       const writer = fs.createWriteStream(outputLocationPath);
       let receivedBytes = 0;