diff --git a/app/src/main/java/com/github/catvod/spider/Market.java b/app/src/main/java/com/github/catvod/spider/Market.java
index ce439fb0..6e29e2f6 100644
--- a/app/src/main/java/com/github/catvod/spider/Market.java
+++ b/app/src/main/java/com/github/catvod/spider/Market.java
@@ -61,20 +61,24 @@ public class Market extends Spider {
             Utils.notify("正在下載...");
             Response response = OkHttp.newCall(url);
             File file = FileUtil.getCacheFile(Uri.parse(url).getLastPathSegment());
-            download(file, response.body().byteStream());
+            download(file, response.body().byteStream(), Double.parseDouble(response.header("Content-Length", "1")));
             FileUtil.openFile(FileUtil.chmod(file));
         } catch (Exception e) {
             Utils.notify(e.getMessage());
         }
     }
 
-    private void download(File file, InputStream is) throws Exception {
+    private void download(File file, InputStream is, double length) throws Exception {
         FileOutputStream os = new FileOutputStream(file);
         try (BufferedInputStream input = new BufferedInputStream(is)) {
             byte[] buffer = new byte[4096];
             int readBytes;
+            long totalBytes = 0;
             while ((readBytes = input.read(buffer)) != -1) {
+                totalBytes += readBytes;
                 os.write(buffer, 0, readBytes);
+                int progress = (int) (totalBytes / length * 100.0);
+                if (progress % 10 < 5) Utils.notify("正在下載..." + progress + "%");
             }
         }
     }
diff --git a/jar/custom_spider.jar b/jar/custom_spider.jar
index ab8d8c31..18f864ee 100644
Binary files a/jar/custom_spider.jar and b/jar/custom_spider.jar differ
diff --git a/jar/custom_spider.jar.md5 b/jar/custom_spider.jar.md5
index e9c94d93..5461222c 100644
--- a/jar/custom_spider.jar.md5
+++ b/jar/custom_spider.jar.md5
@@ -1 +1 @@
-f78dde289126840ebdd4abaf0cb7841d
+e387f38428b7c337475b2827c56949f5