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 6e29e2f6..bc6fa50a 100644
--- a/app/src/main/java/com/github/catvod/spider/Market.java
+++ b/app/src/main/java/com/github/catvod/spider/Market.java
@@ -18,6 +18,7 @@ import java.io.FileOutputStream;
 import java.io.InputStream;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Random;
 
 import okhttp3.Response;
 
@@ -78,7 +79,7 @@ public class Market extends Spider {
                 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 + "%");
+                if (progress % 10 <= new Random().nextInt(6)) Utils.notify("正在下載..." + progress + "%");
             }
         }
     }
diff --git a/jar/custom_spider.jar b/jar/custom_spider.jar
index 18f864ee..c29192be 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 5461222c..e6613cd7 100644
--- a/jar/custom_spider.jar.md5
+++ b/jar/custom_spider.jar.md5
@@ -1 +1 @@
-e387f38428b7c337475b2827c56949f5
+6d1c97eeff8c95ad0f456d066efde69b