diff --git a/HMCLCore/src/main/java/org/jackhuang/hmcl/task/FileDownloadTask.java b/HMCLCore/src/main/java/org/jackhuang/hmcl/task/FileDownloadTask.java
index 08a8cfa41..056f7d08d 100644
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/task/FileDownloadTask.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/task/FileDownloadTask.java
@@ -260,7 +260,7 @@ public class FileDownloadTask extends Task {
         }
 
         if (exception != null)
-            throw new IOException("Unable to download file " + currentURL, exception);
+            throw new IOException("Unable to download file " + currentURL + ". " + exception.getMessage(), exception);
     }
 
 }