diff --git a/src/components/DownloadAll.tsx b/src/components/DownloadAll.tsx
index 5975033..5641f0b 100644
--- a/src/components/DownloadAll.tsx
+++ b/src/components/DownloadAll.tsx
@@ -1,23 +1,43 @@
-import { DecryptedAudioFile, selectFiles } from '~/features/file-listing/fileListingSlice';
+import { DecryptedAudioFile, ProcessState, selectFiles } from '~/features/file-listing/fileListingSlice';
 import { FaDownload } from 'react-icons/fa';
 import { useAppSelector } from '~/hooks';
 import { toast } from 'react-toastify';
 
 export function DownloadAll() {
   const files = useAppSelector(selectFiles);
-  const filesLength = Object.keys(files).length;
   const onClickDownloadAll = async () => {
+    if (Object.keys(files).length === 0) {
+      toast.warning('未添加文件');
+      return;
+    }
+
+    //判断所有文件是否处理完成
+    const allComplete = Object.values(files).every((file) => file.state !== ProcessState.PROCESSING);
+    if (!allComplete) {
+      toast.warning('请等待所有文件解密完成');
+      return;
+    }
+
+    //过滤处理失败的文件
+    const completeFiles = Object.values(files).filter((file) => file.state === ProcessState.COMPLETE);
+    const filesLength = Object.keys(completeFiles).length;
+
+    //开始下载
     let dir: FileSystemDirectoryHandle | undefined;
     let success = 0;
     try {
-      dir = await window.showDirectoryPicker();
+      dir = await window.showDirectoryPicker({ mode: 'readwrite' });
     } catch (e) {
       console.error(e);
       if (e instanceof Error && e.name === 'AbortError') {
         return;
       }
     }
-    for (const [_, file] of Object.entries(files)) {
+    toast.warning('开始下载，请稍候');
+    for (const [_, file] of Object.entries(completeFiles)) {
+      if (file.state !== ProcessState.COMPLETE) {
+        return;
+      }
       try {
         if (dir) {
           await DownloadNew(dir, file);
@@ -33,7 +53,7 @@ export function DownloadAll() {
     if (success === filesLength) {
       toast.success(`成功下载: ${success}/${filesLength}首`);
     } else {
-      toast.error(`成功下载: ${success}/${filesLength}首`);
+      toast.warning(`成功下载: ${success}/${filesLength}首`);
     }
   };