diff --git a/designer-base/src/main/java/com/fr/design/mainframe/guide/base/GuideView.java b/designer-base/src/main/java/com/fr/design/mainframe/guide/base/GuideView.java
index 53e18ffd7..d6ff17cbc 100644
--- a/designer-base/src/main/java/com/fr/design/mainframe/guide/base/GuideView.java
+++ b/designer-base/src/main/java/com/fr/design/mainframe/guide/base/GuideView.java
@@ -37,7 +37,7 @@ public class GuideView extends JDialog {
         this.setUndecorated(true);
         this.window = window;
         this.modalColor = Color.BLACK;
-        this.modalOpacity = 0.4f;
+        this.modalOpacity = 0.6f;
         this.setPreferredSize(window.getSize());
         this.setSize(window.getSize());
         this.setLayout(FRGUIPaneFactory.createBorderLayout());
diff --git a/designer-base/src/main/java/com/fr/design/mainframe/guide/ui/bubble/BubbleWithClose.java b/designer-base/src/main/java/com/fr/design/mainframe/guide/ui/bubble/BubbleWithClose.java
index 9894e5c93..ba8f3da05 100644
--- a/designer-base/src/main/java/com/fr/design/mainframe/guide/ui/bubble/BubbleWithClose.java
+++ b/designer-base/src/main/java/com/fr/design/mainframe/guide/ui/bubble/BubbleWithClose.java
@@ -7,6 +7,7 @@ import com.fr.design.gui.ibutton.UIButton;
 import com.fr.general.IOUtils;
 import com.fr.stable.StringUtils;
 
+import javax.swing.Icon;
 import javax.swing.JTextPane;
 import javax.swing.text.SimpleAttributeSet;
 import javax.swing.text.StyleConstants;
@@ -32,6 +33,7 @@ import java.text.AttributedString;
 
 public class BubbleWithClose extends Bubble {
     private static final Font FONT = new Font(Font.SANS_SERIF, Font.PLAIN, 14);
+    private static final Icon ICON = IOUtils.readIcon("/com/fr/design/mainframe/guide/close.png");
     private static final int HEADER_HEIGHT = 24;
     private static final Color HEADER_COLOR = new Color(245, 245, 246);
     private static final Color TITLE_COLOR = new Color(51, 51, 52);
@@ -112,9 +114,9 @@ public class BubbleWithClose extends Bubble {
 
     private void createCloseButton() {
         closeButton = new UIButton();
-        closeButton.setIcon(IOUtils.readIcon("/com/fr/design/mainframe/guide/close.png"));
+        closeButton.setIcon(ICON);
         closeButton.set4ToolbarButton();
-        closeButton.setPreferredSize(new Dimension(16, 16));
+        closeButton.setPreferredSize(new Dimension(12, 12));
         closeButton.setRolloverEnabled(false);
         closeButton.setPressedPainted(false);
         this.add(closeButton);
diff --git a/designer-base/src/main/java/com/fr/design/mainframe/guide/utils/ScreenImage.java b/designer-base/src/main/java/com/fr/design/mainframe/guide/utils/ScreenImage.java
index 3d718ec1c..8705d0e8a 100644
--- a/designer-base/src/main/java/com/fr/design/mainframe/guide/utils/ScreenImage.java
+++ b/designer-base/src/main/java/com/fr/design/mainframe/guide/utils/ScreenImage.java
@@ -61,7 +61,7 @@ public class ScreenImage {
         BufferedImage image = new BufferedImage(region.width, region.height, BufferedImage.TYPE_INT_RGB);
         Graphics2D g2d = image.createGraphics();
         g2d.drawImage(createImage(component), 0, 0, null);
-        g2d.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.4f));
+        g2d.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.6f));
         g2d.setColor(Color.BLACK);
         g2d.fillRect(0, 0, region.width, region.height);
         g2d.dispose();
diff --git a/designer-base/src/main/resources/com/fr/design/mainframe/guide/close.png b/designer-base/src/main/resources/com/fr/design/mainframe/guide/close.png
index 22e3caa53..6f17a8e1c 100644
Binary files a/designer-base/src/main/resources/com/fr/design/mainframe/guide/close.png and b/designer-base/src/main/resources/com/fr/design/mainframe/guide/close.png differ
diff --git a/designer-realize/src/main/java/com/fr/design/mainframe/guide/creator/GuideCreateUtils.java b/designer-realize/src/main/java/com/fr/design/mainframe/guide/creator/GuideCreateUtils.java
index a81f9df0f..7850e2f64 100644
--- a/designer-realize/src/main/java/com/fr/design/mainframe/guide/creator/GuideCreateUtils.java
+++ b/designer-realize/src/main/java/com/fr/design/mainframe/guide/creator/GuideCreateUtils.java
@@ -168,7 +168,9 @@ public class GuideCreateUtils {
     }
 
     public static void deleteGuideFile(String filePath) {
-        WorkContext.getWorkResource().delete(filePath);
+        if (filePath != null) {
+            WorkContext.getWorkResource().delete(filePath);
+        }
     }
 
     public static void showDialogWithoutModal(JDialog dialog) {