diff --git a/designer-base/src/main/java/com/fr/design/DesignerEnvManager.java b/designer-base/src/main/java/com/fr/design/DesignerEnvManager.java
index b4a9f5934..5504a52bf 100644
--- a/designer-base/src/main/java/com/fr/design/DesignerEnvManager.java
+++ b/designer-base/src/main/java/com/fr/design/DesignerEnvManager.java
@@ -97,6 +97,8 @@ import java.util.Map;
 import java.util.Map.Entry;
 
 /**
+ *  @author anonymous
+ *  @version 11.0
  * The manager of Designer GUI.
  */
 public class DesignerEnvManager implements XMLReadable, XMLWriter, AsyncXmlReadable {
diff --git a/designer-base/src/main/java/com/fr/design/actions/core/ActionFactory.java b/designer-base/src/main/java/com/fr/design/actions/core/ActionFactory.java
index db1dbbc7a..5b1aaf6f5 100644
--- a/designer-base/src/main/java/com/fr/design/actions/core/ActionFactory.java
+++ b/designer-base/src/main/java/com/fr/design/actions/core/ActionFactory.java
@@ -9,7 +9,6 @@ import com.fr.design.selection.QuickEditor;
 import com.fr.log.FineLoggerFactory;
 import com.fr.stable.StringUtils;
 import com.fr.start.common.DesignerStartupPool;
-import com.fr.third.checkerframework.checker.nullness.qual.Nullable;
 import com.fr.third.guava.util.concurrent.FutureCallback;
 import com.fr.third.guava.util.concurrent.Futures;
 import com.fr.third.guava.util.concurrent.ListenableFutureTask;
@@ -96,7 +95,7 @@ public class ActionFactory {
         ListenableFutureTask<QuickEditor> future = ListenableFutureTask.create(callable);
         Futures.addCallback(future, new FutureCallback<QuickEditor>() {
             @Override
-            public void onSuccess(@Nullable QuickEditor quickEditor) {
+            public void onSuccess(QuickEditor quickEditor) {
                 cellEditorClass.remove(keyClazz);
                 cellEditor.put(keyClazz, quickEditor);
             }
diff --git a/designer-base/src/main/java/com/fr/startup/ui/StartupLoadingPanel.java b/designer-base/src/main/java/com/fr/startup/ui/StartupLoadingPanel.java
index 97c0b26a0..0c8217446 100644
--- a/designer-base/src/main/java/com/fr/startup/ui/StartupLoadingPanel.java
+++ b/designer-base/src/main/java/com/fr/startup/ui/StartupLoadingPanel.java
@@ -15,6 +15,8 @@ import java.util.concurrent.ScheduledExecutorService;
 import java.util.concurrent.TimeUnit;
 
 /**
+ * @author Harrison
+ * @version 11.0
  * created by Harrison on 2022/11/08
  **/
 public class StartupLoadingPanel {
diff --git a/designer-base/src/main/java/com/fr/startup/ui/StartupPageWindow.java b/designer-base/src/main/java/com/fr/startup/ui/StartupPageWindow.java
index 84350d172..0b57247ac 100644
--- a/designer-base/src/main/java/com/fr/startup/ui/StartupPageWindow.java
+++ b/designer-base/src/main/java/com/fr/startup/ui/StartupPageWindow.java
@@ -107,11 +107,44 @@ public class StartupPageWindow extends JFrame {
     }
     
     private void initCenter(StartupPageModel pageModel) {
-        
+    
+        initHeaderPanel();
+    
+        initWorkspacePanel(pageModel);
+    
+        initRecentOpenPanel(pageModel);
+        initContentPanel();
+    }
+    
+    private void initHeaderPanel() {
         this.body = FRGUIPaneFactory.createBorderLayout_S_Pane();
         this.body.setBackground(new Color(0, 0, 0, 0));
         JPanel headerPanel = createHeader();
         this.body.add(headerPanel, BorderLayout.NORTH);
+    }
+    
+    private void initRecentOpenPanel(StartupPageModel pageModel) {
+        
+        this.recentOpenPanel = generateRecentOpenPanel(pageModel);
+        this.body.add(recentOpenPanel, BorderLayout.SOUTH);
+    }
+    
+    private void initContentPanel() {
+        this.contentPane = new JPanel() {
+            @Override
+            protected void paintComponent(Graphics g) {
+                super.paintComponent(g);
+                g.drawImage(BACKGROUND_IMAGE, 0, 0, SCREEN_SIZE.width, SCREEN_SIZE.height, this);
+            }
+        };
+        this.contentPane.setLayout(getCenterLayout(body));
+        this.contentPane.add(this.body, BorderLayout.CENTER);
+        this.contentPane.setPreferredSize(this.body.getPreferredSize());
+        
+        add(this.contentPane, BorderLayout.CENTER);
+    }
+    
+    private void initWorkspacePanel(StartupPageModel pageModel) {
         
         // Workspace-description
         this.workspacePanel = generateWorkspacePanel(pageModel);
@@ -129,21 +162,6 @@ public class StartupPageWindow extends JFrame {
                 repaint();
             }
         });
-        
-        this.recentOpenPanel = generateRecentOpenPanel(pageModel);
-        this.body.add(recentOpenPanel, BorderLayout.SOUTH);
-        this.contentPane = new JPanel() {
-            @Override
-            protected void paintComponent(Graphics g) {
-                super.paintComponent(g);
-                g.drawImage(BACKGROUND_IMAGE, 0, 0, SCREEN_SIZE.width, SCREEN_SIZE.height, this);
-            }
-        };
-        this.contentPane.setLayout(getCenterLayout(body));
-        this.contentPane.add(this.body, BorderLayout.CENTER);
-        this.contentPane.setPreferredSize(this.body.getPreferredSize());
-        
-        add(this.contentPane, BorderLayout.CENTER);
     }
     
     @NotNull
diff --git a/designer-realize/src/main/java/com/fr/start/preload/PreLoadService.java b/designer-realize/src/main/java/com/fr/start/preload/PreLoadService.java
index 7f69e750e..e2abb816f 100644
--- a/designer-realize/src/main/java/com/fr/start/preload/PreLoadService.java
+++ b/designer-realize/src/main/java/com/fr/start/preload/PreLoadService.java
@@ -23,6 +23,11 @@ public class PreLoadService {
         private static final PreLoadService INSTANCE = new PreLoadService();
     }
     
+    /**
+     * 添加 UI 的异步任务
+     *
+     * @param future 任务
+     */
     public void addUIFuture(CompletableFuture<?> future) {
         uIFutures.add(future);
     }
@@ -31,14 +36,25 @@ public class PreLoadService {
         commonFutures.add(future);
     }
     
+    /**
+     * 添加通用的异步任务
+     *
+     * @param runnable 任务
+     */
     public void addRunnable(Runnable runnable) {
         commonFutures.add(CompletableFuture.runAsync(runnable, DesignerStartupPool.common()));
     }
     
+    /**
+     * 等待通用的异步任务执行
+     */
     public void waitForCommon() {
         CompletableFuture.allOf(commonFutures.toArray(new CompletableFuture[0])).join();
     }
     
+    /**
+     * 等待UI异步任务执行
+     */
     public void waitForUI() {
         CompletableFuture.allOf(uIFutures.toArray(new CompletableFuture[0])).join();
     }