diff --git a/src/main/java/io/github/linwancen/plugin/show/LineEnd.java b/src/main/java/io/github/linwancen/plugin/show/LineEnd.java
index 3504213..a852309 100644
--- a/src/main/java/io/github/linwancen/plugin/show/LineEnd.java
+++ b/src/main/java/io/github/linwancen/plugin/show/LineEnd.java
@@ -2,9 +2,9 @@ package io.github.linwancen.plugin.show;
 
 import com.intellij.json.JsonFileType;
 import com.intellij.json.json5.Json5FileType;
-import com.intellij.openapi.editor.EditorLinePainter;
-import com.intellij.openapi.editor.LineExtensionInfo;
+import com.intellij.openapi.editor.*;
 import com.intellij.openapi.editor.markup.TextAttributes;
+import com.intellij.openapi.fileEditor.FileEditorManager;
 import com.intellij.openapi.project.DumbService;
 import com.intellij.openapi.project.Project;
 import com.intellij.openapi.vfs.VirtualFile;
@@ -13,6 +13,7 @@ import io.github.linwancen.plugin.show.bean.LineInfo;
 import io.github.linwancen.plugin.show.ext.LineExt;
 import io.github.linwancen.plugin.show.lang.base.BaseLangDoc;
 import io.github.linwancen.plugin.show.settings.AppSettingsState;
+import io.github.linwancen.plugin.show.settings.GlobalSettingsState;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import org.slf4j.Logger;
@@ -44,6 +45,24 @@ public class LineEnd extends EditorLinePainter {
         if (!settings.showLineEndComment) {
             return null;
         }
+        @NotNull GlobalSettingsState globalSettingsState = GlobalSettingsState.getInstance();
+        if (globalSettingsState.onlySelectLine) {
+            Editor editor = FileEditorManager.getInstance(project).getSelectedTextEditor();
+            if (editor != null) {
+                SelectionModel select = editor.getSelectionModel();
+                VisualPosition start = select.getSelectionStartPosition();
+                int lineNum = lineNumber + 1;
+                if (start != null) {
+                    if (lineNum < start.getLine()) {
+                        return null;
+                    }
+                }
+                VisualPosition end = select.getSelectionEndPosition();
+                if (end != null && lineNum > end.getLine()) {
+                    return null;
+                }
+            }
+        }
         if (DumbService.isDumb(project)) {
             return null;
         }
diff --git a/src/main/java/io/github/linwancen/plugin/show/settings/AbstractSettingsComponent.java b/src/main/java/io/github/linwancen/plugin/show/settings/AbstractSettingsComponent.java
index d02c48c..7c2b309 100644
--- a/src/main/java/io/github/linwancen/plugin/show/settings/AbstractSettingsComponent.java
+++ b/src/main/java/io/github/linwancen/plugin/show/settings/AbstractSettingsComponent.java
@@ -14,6 +14,8 @@ public abstract class AbstractSettingsComponent {
 
     protected final JBTextField lineEndCount = new JBTextField();
 
+    private final JBCheckBox onlySelectLine = new JBCheckBox(ShowBundle.message("only.select.line"));
+
     private final JBTextField lineInclude = new JBTextField();
     private final JBTextField lineExclude = new JBTextField();
 
@@ -36,6 +38,8 @@ public abstract class AbstractSettingsComponent {
     @NotNull
     protected JPanel lineEndPanel() {
         FormBuilder builder = FormBuilder.createFormBuilder()
+                // .addComponent(onlySelectLine)
+                // .addSeparator()
                 .addComponent(new JBLabel(ShowBundle.message("regexp.tip")))
                 .addSeparator()
                 .addLabeledComponent(new JBLabel(ShowBundle.message("sign.include.regexp")), lineInclude, 1, true)
@@ -69,6 +73,14 @@ public abstract class AbstractSettingsComponent {
         lineEndCount.setText(newText);
     }
 
+    public boolean getOnlySelectLine() {
+        return onlySelectLine.isSelected();
+    }
+
+    public void setOnlySelectLine(boolean newStatus) {
+        onlySelectLine.setSelected(newStatus);
+    }
+
     @NotNull
     public String getLineInclude() {
         return lineInclude.getText();
diff --git a/src/main/java/io/github/linwancen/plugin/show/settings/AbstractSettingsConfigurable.java b/src/main/java/io/github/linwancen/plugin/show/settings/AbstractSettingsConfigurable.java
index 0ea8edd..09c99b2 100644
--- a/src/main/java/io/github/linwancen/plugin/show/settings/AbstractSettingsConfigurable.java
+++ b/src/main/java/io/github/linwancen/plugin/show/settings/AbstractSettingsConfigurable.java
@@ -9,6 +9,7 @@ public class AbstractSettingsConfigurable {
     static boolean isModified(@NotNull AbstractSettingsState settings, @NotNull AbstractSettingsComponent component,
                               boolean modified) {
         modified |= !component.getLineEndCount().equals(String.valueOf(settings.lineEndCount));
+        modified |= component.getOnlySelectLine() != settings.onlySelectLine;
         modified |= !component.getLineInclude().equals(settings.getLineInclude());
         modified |= !component.getLineExclude().equals(settings.getLineExclude());
         modified |= !component.getDocInclude().equals(settings.getDocInclude());
@@ -26,6 +27,7 @@ public class AbstractSettingsConfigurable {
         } catch (NumberFormatException e) {
             component.setLineEndCount(String.valueOf(settings.lineEndCount));
         }
+        settings.onlySelectLine = component.getOnlySelectLine();
         settings.setLineInclude(component.getLineInclude());
         settings.setLineExclude(component.getLineExclude());
         settings.setDocInclude(component.getDocInclude());
@@ -38,6 +40,7 @@ public class AbstractSettingsConfigurable {
 
     static void reset(@NotNull AbstractSettingsState settings, @NotNull AbstractSettingsComponent component) {
         component.setLineEndCount(String.valueOf(settings.lineEndCount));
+        component.setOnlySelectLine(settings.onlySelectLine);
         component.setLineInclude(settings.getLineInclude());
         component.setLineExclude(settings.getLineExclude());
         component.setDocInclude(settings.getDocInclude());
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 f736ef2..3c3d766 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
@@ -11,6 +11,7 @@ public abstract class AbstractSettingsState {
 
     public int lineEndCount = 2;
     public int lineEndLen = 0;
+    public boolean onlySelectLine = false;
     @NotNull
     public transient Pattern lineInclude = Pattern.compile("");
     @NotNull
diff --git a/src/main/resources/messages/ShowCommentBundle.properties b/src/main/resources/messages/ShowCommentBundle.properties
index f603a51..6d4bd66 100644
--- a/src/main/resources/messages/ShowCommentBundle.properties
+++ b/src/main/resources/messages/ShowCommentBundle.properties
@@ -3,6 +3,7 @@ reset.default=Reset default
 
 show=Show
 show.line.end.comment=Show line end comment
+only.select.line=Only Select Line
 show.tree.comment=Show tree comment
 
 compact=support compact
diff --git a/src/main/resources/messages/ShowCommentBundle_zh.properties b/src/main/resources/messages/ShowCommentBundle_zh.properties
index eaba062..00a920a 100644
--- a/src/main/resources/messages/ShowCommentBundle_zh.properties
+++ b/src/main/resources/messages/ShowCommentBundle_zh.properties
@@ -3,6 +3,7 @@ reset.default=\u6062\u590D\u9ED8\u8BA4
 
 show=\u663E\u793A
 show.tree.comment=\u663E\u793A\u6587\u4EF6\u6811\u6CE8\u91CA
+only.select.line=\u53EA\u663E\u793A\u9009\u62E9\u884C
 show.line.end.comment=\u663E\u793A\u884C\u672B\u6CE8\u91CA
 
 compact=\u652F\u6301\u538B\u7F29\u7A7A\u7684\u4E2D\u95F4\u5305