diff --git a/HMCL/src/main/java/org/jackhuang/hmcl/ui/export/ModpackFileSelectionPage.java b/HMCL/src/main/java/org/jackhuang/hmcl/ui/export/ModpackFileSelectionPage.java
index 3feb91781b4..f69e83bbb10 100644
--- a/HMCL/src/main/java/org/jackhuang/hmcl/ui/export/ModpackFileSelectionPage.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/ui/export/ModpackFileSelectionPage.java
@@ -29,8 +29,10 @@
 import javafx.scene.layout.HBox;
 import org.jackhuang.hmcl.game.HMCLGameRepository;
 import org.jackhuang.hmcl.modpack.ModAdviser;
+import org.jackhuang.hmcl.task.Schedulers;
 import org.jackhuang.hmcl.ui.FXUtils;
 import org.jackhuang.hmcl.ui.construct.NoneMultipleSelectionModel;
+import org.jackhuang.hmcl.ui.construct.SpinnerPane;
 import org.jackhuang.hmcl.ui.wizard.WizardController;
 import org.jackhuang.hmcl.ui.wizard.WizardPage;
 import org.jackhuang.hmcl.util.Pair;
@@ -44,6 +46,7 @@
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
+import java.util.concurrent.CompletableFuture;
 
 import static org.jackhuang.hmcl.ui.FXUtils.onEscPressed;
 import static org.jackhuang.hmcl.util.Lang.mapOf;
@@ -58,7 +61,7 @@ public final class ModpackFileSelectionPage extends BorderPane implements Wizard
     private final WizardController controller;
     private final String version;
     private final ModAdviser adviser;
-    private final ModpackFileTreeItem rootNode;
+    private ModpackFileTreeItem rootNode;
 
     public ModpackFileSelectionPage(WizardController controller, HMCLGameRepository repository, String version, ModAdviser adviser) {
         this.controller = controller;
@@ -66,12 +69,17 @@ public ModpackFileSelectionPage(WizardController controller, HMCLGameRepository
         this.adviser = adviser;
 
         JFXTreeView<String> treeView = new JFXTreeView<>();
-        rootNode = getTreeItem(repository.getRunDirectory(version), "minecraft", 0);
-        treeView.setRoot(rootNode);
         treeView.setSelectionModel(new NoneMultipleSelectionModel<>());
         onEscPressed(treeView, () -> controller.onPrev(true));
-        setMargin(treeView, new Insets(10, 10, 5, 10));
-        this.setCenter(treeView);
+
+        SpinnerPane spinnerPane = new SpinnerPane();
+        spinnerPane.setContent(treeView);
+        setMargin(spinnerPane, new Insets(10, 10, 5, 10));
+        this.setCenter(spinnerPane);
+
+        spinnerPane.setLoading(true);
+        loadRoot(repository, treeView, spinnerPane);
+        spinnerPane.setOnFailedAction((__) -> loadRoot(repository, treeView, spinnerPane));
 
         HBox nextPane = new HBox();
         nextPane.setPadding(new Insets(16, 16, 16, 0));
@@ -79,6 +87,7 @@ public ModpackFileSelectionPage(WizardController controller, HMCLGameRepository
         {
             JFXButton btnNext = FXUtils.newRaisedButton(i18n("wizard.next"));
             btnNext.setPrefSize(100, 40);
+            btnNext.disableProperty().bind(spinnerPane.loadingProperty());
             btnNext.setOnAction(e -> onNext());
 
             nextPane.getChildren().setAll(btnNext);
@@ -87,6 +96,21 @@ public ModpackFileSelectionPage(WizardController controller, HMCLGameRepository
         this.setBottom(nextPane);
     }
 
+    private void loadRoot(HMCLGameRepository repository, JFXTreeView<String> treeView, SpinnerPane spinnerPane) {
+        CompletableFuture
+                .supplyAsync(() -> getTreeItem(repository.getRunDirectory(version), "minecraft", 0), Schedulers.io())
+                .whenCompleteAsync((modpackFileTreeItem, throwable) -> {
+                    if (throwable != null) {
+                        treeView.setRoot(rootNode = modpackFileTreeItem);
+                        spinnerPane.setFailedReason(null);
+                    } else {
+                        LOG.warning("Failed to load modpack file tree. Please click here to retry.");
+                        spinnerPane.setFailedReason(i18n("modpack.files.load_failed"));
+                    }
+                    spinnerPane.setLoading(false);
+                }, Schedulers.javafx());
+    }
+
     private ModpackFileTreeItem getTreeItem(Path file, String basePath, int level) {
         if (Files.notExists(file))
             return null;
@@ -176,6 +200,7 @@ public void cleanup(SettingsMap settings) {
     }
 
     private void onNext() {
+        if (rootNode == null) return;
         ArrayList<String> list = new ArrayList<>();
         getFilesNeeded(rootNode, "minecraft", list);
         controller.getSettings().put(MODPACK_FILE_SELECTION, list);
diff --git a/HMCL/src/main/resources/assets/lang/I18N.properties b/HMCL/src/main/resources/assets/lang/I18N.properties
index a2b393f421e..56695e25187 100644
--- a/HMCL/src/main/resources/assets/lang/I18N.properties
+++ b/HMCL/src/main/resources/assets/lang/I18N.properties
@@ -990,6 +990,7 @@ modpack.files.config=Mod Configuration Files
 modpack.files.dumps=NEI Debug Output Files
 modpack.files.hmclversion_cfg=Launcher Configuration File
 modpack.files.liteconfig=LiteLoader Related Files
+modpack.files.load_failed=Failed to load modpack file tree. Please click here to retry.
 modpack.files.mods=Mods
 modpack.files.mods.voxelmods=VoxelMods Options
 modpack.files.options_txt=Minecraft Option File
diff --git a/HMCL/src/main/resources/assets/lang/I18N_zh.properties b/HMCL/src/main/resources/assets/lang/I18N_zh.properties
index 0574758c5a6..51fd97001fd 100644
--- a/HMCL/src/main/resources/assets/lang/I18N_zh.properties
+++ b/HMCL/src/main/resources/assets/lang/I18N_zh.properties
@@ -797,6 +797,7 @@ modpack.files.config=模組設定檔案
 modpack.files.dumps=NEI 除錯輸出檔案
 modpack.files.hmclversion_cfg=啟動器設定檔案
 modpack.files.liteconfig=LiteLoader 相關檔案
+modpack.files.load_failed=載入整合包檔案樹失敗，點選此處重試
 modpack.files.mods=模組
 modpack.files.mods.voxelmods=VoxelMods 設定，如小地圖
 modpack.files.options_txt=遊戲設定
diff --git a/HMCL/src/main/resources/assets/lang/I18N_zh_CN.properties b/HMCL/src/main/resources/assets/lang/I18N_zh_CN.properties
index 52cac07405c..40cbc0f96a1 100644
--- a/HMCL/src/main/resources/assets/lang/I18N_zh_CN.properties
+++ b/HMCL/src/main/resources/assets/lang/I18N_zh_CN.properties
@@ -802,6 +802,7 @@ modpack.files.config=模组配置文件
 modpack.files.dumps=NEI 调试输出文件
 modpack.files.hmclversion_cfg=启动器配置文件
 modpack.files.liteconfig=LiteLoader 相关文件
+modpack.files.load_failed=加载整合包文件树失败，点击此处重试
 modpack.files.mods=模组
 modpack.files.mods.voxelmods=VoxelMods 配置，如小地图
 modpack.files.options_txt=游戏设置