Fix update

HMCL/build.gradle

@@ -18,7 +18,7 @@ if (buildnumber == null)
 
 def versionroot = System.getenv("VERSION_ROOT")
 if (versionroot == null)
-    versionroot = "3.0"
+    versionroot = "3.1"
 
 String mavenVersion = versionroot + '.' + buildnumber
 version = mavenVersion

HMCL/src/main/java/org/jackhuang/hmcl/Launcher.java

@@ -49,6 +49,14 @@ public final class Launcher extends Application {
             Controllers.initialize(primaryStage);
             primaryStage.setResizable(false);
             primaryStage.setScene(Controllers.getScene());
+
+            UPDATE_CHECKER.process(false)
+                    .then(Task.of(Schedulers.javafx(), () -> {
+                        if (UPDATE_CHECKER.isOutOfDate())
+                            Controllers.showUpdate();
+                    }))
+                    .start();
+
             primaryStage.show();
         } catch (Throwable e) {
             CRASH_REPORTER.uncaughtException(Thread.currentThread(), e);
@@ -65,13 +73,6 @@ public final class Launcher extends Application {
 
             Logging.LOG.info("*** " + TITLE + " ***");
 
-            UPDATE_CHECKER.process(false)
-                    .then(Task.of(Schedulers.javafx(), () -> {
-                        if (UPDATE_CHECKER.isOutOfDate())
-                            Controllers.showUpdate();
-                    }))
-                    .start();
-
             launch(args);
         } catch (Throwable e) { // Fucking JavaFX will suppress the exception and will break our crash reporter.
             CRASH_REPORTER.uncaughtException(Thread.currentThread(), e);

HMCL/src/main/java/org/jackhuang/hmcl/ui/Controllers.java

@@ -17,6 +17,7 @@
  */
 package org.jackhuang.hmcl.ui;
 
+import com.jfoenix.concurrency.JFXUtilities;
 import com.jfoenix.controls.JFXDialog;
 import javafx.scene.Node;
 import javafx.scene.Scene;