diff --git a/HMCL/src/main/java/org/jackhuang/hmcl/ui/MainPagePanel.java b/HMCL/src/main/java/org/jackhuang/hmcl/ui/MainPagePanel.java
index c3bd2fe86..8df0fd9c1 100755
--- a/HMCL/src/main/java/org/jackhuang/hmcl/ui/MainPagePanel.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/ui/MainPagePanel.java
@@ -519,7 +519,7 @@ public class MainPagePanel extends Page {
         isLoading = false;
     }
 
-    final Consumer<LaunchingStateChangedEvent> launchingStateChanged = t -> SwingUtils.setEnabled(MainFrame.INSTANCE.getRootPane(), t.getValue() == LaunchingState.Done);
+    final Consumer<LaunchingStateChangedEvent> launchingStateChanged = t -> SwingUtilities.invokeLater(() -> SwingUtils.setEnabled(MainFrame.INSTANCE.getRootPane(), t.getValue() == LaunchingState.Done));
 
     void versionChanged(String selectedVersion) {
         isLoading = true;
diff --git a/HMCLCore/src/main/java/org/jackhuang/hmcl/util/task/ParallelTask.java b/HMCLCore/src/main/java/org/jackhuang/hmcl/util/task/ParallelTask.java
index a85a9e333..94ef9c824 100644
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/util/task/ParallelTask.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/util/task/ParallelTask.java
@@ -33,7 +33,9 @@ public class ParallelTask extends Task {
     }
 
     @Override
-    public void executeTask(boolean areDependTasksSucceeded) {
+    public void executeTask(boolean areDependTasksSucceeded) throws Exception {
+        if (!areDependTasksSucceeded)
+            throw new Exception("Tasks failed");
     }
 
     @Override
diff --git a/HMCLaF/src/main/resources/org/jackhuang/hmcl/laf/utils/imgs/np/btn_special_disabled.9.png b/HMCLaF/src/main/resources/org/jackhuang/hmcl/laf/utils/imgs/np/btn_special_disabled.9.png
index e72ec14de..d94e767b7 100644
Binary files a/HMCLaF/src/main/resources/org/jackhuang/hmcl/laf/utils/imgs/np/btn_special_disabled.9.png and b/HMCLaF/src/main/resources/org/jackhuang/hmcl/laf/utils/imgs/np/btn_special_disabled.9.png differ