diff --git a/src/main/idea/io/github/linwancen/plugin/show/java/doc/EnumDoc.java b/src/main/idea/io/github/linwancen/plugin/show/java/doc/EnumDoc.java
index 8a285bf..5059bc0 100644
--- a/src/main/idea/io/github/linwancen/plugin/show/java/doc/EnumDoc.java
+++ b/src/main/idea/io/github/linwancen/plugin/show/java/doc/EnumDoc.java
@@ -7,7 +7,6 @@ import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
 import java.util.Arrays;
-import java.util.regex.Pattern;
 import java.util.stream.Collectors;
 
 public class EnumDoc {
diff --git a/src/main/java/io/github/linwancen/plugin/show/cache/CacheUpdateEditorListener.java b/src/main/java/io/github/linwancen/plugin/show/cache/CacheUpdateEditorListener.java
index 5bcecf8..e59850a 100644
--- a/src/main/java/io/github/linwancen/plugin/show/cache/CacheUpdateEditorListener.java
+++ b/src/main/java/io/github/linwancen/plugin/show/cache/CacheUpdateEditorListener.java
@@ -8,8 +8,6 @@ import com.intellij.openapi.project.Project;
 import com.intellij.openapi.vfs.VirtualFile;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 
 import java.util.Map;
 
diff --git a/src/main/java/io/github/linwancen/plugin/show/cache/LineEndCacheUtils.java b/src/main/java/io/github/linwancen/plugin/show/cache/LineEndCacheUtils.java
index f2c5117..5c2ab4e 100644
--- a/src/main/java/io/github/linwancen/plugin/show/cache/LineEndCacheUtils.java
+++ b/src/main/java/io/github/linwancen/plugin/show/cache/LineEndCacheUtils.java
@@ -123,9 +123,9 @@ public class LineEndCacheUtils {
                                 if (list != null) {
                                     list.add(lineExt);
                                 } else {
-                                    lineCache.map.put(info.text, new ArrayList<>() {{
-                                        add(lineExt);
-                                    }});
+                                    ArrayList<LineExtensionInfo> lineExtList = new ArrayList<>();
+                                    lineExtList.add(lineExt);
+                                    lineCache.map.put(info.text, lineExtList);
                                 }
                             }
                             lineCache.updated();
diff --git a/src/main/java/io/github/linwancen/plugin/show/settings/AbstractSettingsState.java b/src/main/java/io/github/linwancen/plugin/show/settings/AbstractSettingsState.java
index 14fd84b..2e0a841 100644
--- a/src/main/java/io/github/linwancen/plugin/show/settings/AbstractSettingsState.java
+++ b/src/main/java/io/github/linwancen/plugin/show/settings/AbstractSettingsState.java
@@ -39,7 +39,7 @@ public abstract class AbstractSettingsState {
     public transient Map<String, Pattern[]> dirDoc = new LinkedHashMap<>() {{
         put("pom.xml", new Pattern[]{
                 Pattern.compile("<description>([^<]++)</description>"),
-                Pattern.compile("<name>\\$\\{[^}]*+\\}([^<]++)</name>"),
+                Pattern.compile("<name>\\$\\{[^}]*+}([^<]++)</name>"),
         });
         put("build.gradle", new Pattern[]{Pattern.compile("(?m)^description[^'\"]*+['\"]([^'\"]++)['\"]")});
         put("build.gradle.kts", new Pattern[]{Pattern.compile("(?m)^description[^'\"]*+['\"]([^'\"]++)['\"]")});
diff --git a/src/main/java/io/github/linwancen/plugin/show/settings/ProjectSettingsComponent.java b/src/main/java/io/github/linwancen/plugin/show/settings/ProjectSettingsComponent.java
index 934b44a..76482c9 100644
--- a/src/main/java/io/github/linwancen/plugin/show/settings/ProjectSettingsComponent.java
+++ b/src/main/java/io/github/linwancen/plugin/show/settings/ProjectSettingsComponent.java
@@ -2,6 +2,7 @@ package io.github.linwancen.plugin.show.settings;
 
 import com.intellij.ui.components.JBCheckBox;
 import com.intellij.ui.components.JBLabel;
+import com.intellij.ui.components.JBScrollPane;
 import com.intellij.util.ui.FormBuilder;
 import org.jetbrains.annotations.NotNull;
 
@@ -9,14 +10,14 @@ import javax.swing.*;
 
 public class ProjectSettingsComponent extends AbstractSettingsComponent {
 
-    private final JPanel myMainPanel;
+    private final JBScrollPane myMainPanel;
     private final JBCheckBox globalFilterEffective = new JBCheckBox(ShowBundle.message("global.settings.effective"));
     private final JBCheckBox projectFilterEffective = new JBCheckBox(ShowBundle.message("project.settings.effective"));
 
     public ProjectSettingsComponent() {
         @NotNull JButton resetDefault = new JButton(ShowBundle.message("reset.default"));
         resetDefault.addActionListener(e -> ProjectSettingsConfigurable.reset(ProjectSettingsState.DEFAULT_SETTING, this));
-        myMainPanel = FormBuilder.createFormBuilder()
+        JPanel panel = FormBuilder.createFormBuilder()
                 .addComponent(JPanelFactory.of(resetDefault,
                         new JBLabel(ShowBundle.message("line.count")), lineEndCount,
                         globalFilterEffective, projectFilterEffective
@@ -24,9 +25,12 @@ public class ProjectSettingsComponent extends AbstractSettingsComponent {
                 .addComponent(commonPanel(), 1)
                 .addComponentFillVertically(new JPanel(), 0)
                 .getPanel();
+        JBScrollPane scrollPane = new JBScrollPane(panel);
+        scrollPane.setBorder(null);
+        myMainPanel = scrollPane;
     }
 
-    public JPanel getPanel() {
+    public JBScrollPane getPanel() {
         return myMainPanel;
     }