diff --git a/HMCL/src/main/java/org/jackhuang/hmcl/countly/CrashReport.java b/HMCL/src/main/java/org/jackhuang/hmcl/countly/CrashReport.java
index 4412bc042..dac5a9b06 100644
--- a/HMCL/src/main/java/org/jackhuang/hmcl/countly/CrashReport.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/countly/CrashReport.java
@@ -1,7 +1,6 @@
 package org.jackhuang.hmcl.countly;
 
 import org.jackhuang.hmcl.Metadata;
-import org.jackhuang.hmcl.util.CrashReporter;
 import org.jackhuang.hmcl.util.Logging;
 import org.jackhuang.hmcl.util.StringUtils;
 import org.jackhuang.hmcl.util.platform.Architecture;
diff --git a/HMCL/src/main/java/org/jackhuang/hmcl/ui/main/MainPage.java b/HMCL/src/main/java/org/jackhuang/hmcl/ui/main/MainPage.java
index 73699fd06..3cf4ef939 100644
--- a/HMCL/src/main/java/org/jackhuang/hmcl/ui/main/MainPage.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/ui/main/MainPage.java
@@ -234,7 +234,7 @@ public final class MainPage extends StackPane implements DecoratorPage {
         doAnimation(show);
 
         if (show && getLatestVersion() != null && !Objects.equals(config().getPromptedVersion(), getLatestVersion().getVersion())) {
-            Controllers.dialog("",  i18n("update.bubble.title", getLatestVersion().getVersion()), MessageDialogPane.MessageType.INFO, () -> {
+            Controllers.dialog("", i18n("update.bubble.title", getLatestVersion().getVersion()), MessageDialogPane.MessageType.INFO, () -> {
                 config().setPromptedVersion(getLatestVersion().getVersion());
                 onUpgrade();
             });
diff --git a/HMCL/src/main/java/org/jackhuang/hmcl/util/CrashReporter.java b/HMCL/src/main/java/org/jackhuang/hmcl/util/CrashReporter.java
index fec76dc12..1dcabc64f 100644
--- a/HMCL/src/main/java/org/jackhuang/hmcl/util/CrashReporter.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/util/CrashReporter.java
@@ -26,18 +26,11 @@ import org.jackhuang.hmcl.ui.CrashWindow;
 import org.jackhuang.hmcl.upgrade.IntegrityChecker;
 import org.jackhuang.hmcl.upgrade.UpdateChecker;
 import org.jackhuang.hmcl.util.io.NetworkUtils;
-import org.jackhuang.hmcl.util.platform.Architecture;
-import org.jackhuang.hmcl.util.platform.OperatingSystem;
 
 import java.io.IOException;
-import java.text.SimpleDateFormat;
-import java.util.Date;
 import java.util.HashMap;
-import java.util.Set;
-import java.util.concurrent.ConcurrentHashMap;
 import java.util.logging.Level;
 
-import static java.util.Collections.newSetFromMap;
 import static org.jackhuang.hmcl.util.Logging.LOG;
 import static org.jackhuang.hmcl.util.Pair.pair;
 import static org.jackhuang.hmcl.util.i18n.I18n.i18n;
diff --git a/HMCLCore/src/main/java/org/jackhuang/hmcl/util/Result.java b/HMCLCore/src/main/java/org/jackhuang/hmcl/util/Result.java
index c8574c9dc..f56325930 100644
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/util/Result.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/util/Result.java
@@ -64,4 +64,4 @@ public abstract class Result<T> {
         }
     }
 
-}
\ No newline at end of file
+}