diff --git a/README.md b/README.md
index 4c81909..2daa733 100644
--- a/README.md
+++ b/README.md
@@ -56,6 +56,7 @@ Thanks JetBrains Licenses for Open Source.
 
 <h2>English Change Notes:</h2>
 <ul>
+<li>1.20  Add get doc first sentence checkbox
 <li>1.19  Add supper doc at @Override, support doc tag like @author
 <li>1.18  Add External Comment  effect at previous layer when folder named -1
 <li>1.17  Add line-end-comment  skip doc text or class/member name by regexp
@@ -79,6 +80,7 @@ Thanks JetBrains Licenses for Open Source.
 
 <h2>中文更新说明:</h2>
 <ul>
+<li>1.20  增加 获取第一句注释选项
 <li>1.19  增加 @Override 显示父方法注释，支持 @author 等注释标签
 <li>1.18  增加 外部注释 文件夹名为 -1 时配置在上一层文件夹生效
 <li>1.17  增加 行末注释 根据正则表达式跳过指定注释文本或类成员名字的注释
diff --git a/build.gradle b/build.gradle
index 57f5acb..0975f02 100644
--- a/build.gradle
+++ b/build.gradle
@@ -4,7 +4,7 @@ plugins {
 }
 
 group 'io.github.linwancen'
-version '1.19.0.' + (new Date().format('yyyy.MM.dd_HH.mm'))
+version '1.20.0.' + (new Date().format('yyyy.MM.dd_HH.mm'))
 
 apply plugin: 'java'
 
@@ -39,6 +39,7 @@ patchPluginXml {
     changeNotes = """
 <h2>English Change Notes:</h2>
 <ul>
+<li>1.20  Add get doc first sentence checkbox
 <li>1.19  Add supper doc at @Override, support doc tag like @author
 <li>1.18  Add External Comment  effect at previous layer when folder named -1
 <li>1.17  Add line-end-comment  skip doc text or class/member name by regexp
@@ -62,6 +63,7 @@ patchPluginXml {
 
 <h2>中文更新说明:</h2>
 <ul>
+<li>1.20  增加 获取第一句注释选项
 <li>1.19  增加 @Override 显示父方法注释，支持 @author 等注释标签
 <li>1.18  增加 外部注释 文件夹名为 -1 时配置在上一层文件夹生效
 <li>1.17  增加 行末注释 根据正则表达式跳过指定注释文本或类成员名字的注释
diff --git a/src/main/java/io/github/linwancen/plugin/show/doc/PsiDocToStrDoc.java b/src/main/java/io/github/linwancen/plugin/show/doc/PsiDocToStrDoc.java
index cd6411e..0e2b286 100644
--- a/src/main/java/io/github/linwancen/plugin/show/doc/PsiDocToStrDoc.java
+++ b/src/main/java/io/github/linwancen/plugin/show/doc/PsiDocToStrDoc.java
@@ -4,9 +4,11 @@ import com.intellij.psi.PsiElement;
 import com.intellij.psi.PsiWhiteSpace;
 import com.intellij.psi.javadoc.*;
 import io.github.linwancen.plugin.show.settings.AppSettingsState;
+import io.github.linwancen.plugin.show.settings.ProjectSettingsState;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
+import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
 public class PsiDocToStrDoc {
@@ -39,15 +41,42 @@ public class PsiDocToStrDoc {
             }
             sb.append(tags);
         }
-        if (sb.length() == 0) {
+        String text = sb.toString();
+        if (text.trim().length() == 0) {
             return null;
         }
-        return sb.toString();
+        ProjectSettingsState projectSettings = ProjectSettingsState.getInstance(psiDocComment.getProject());
+        return getDocBySetting(text, appSettings, projectSettings);
+    }
+
+    @Nullable
+    private static String getDocBySetting(String text,
+                                          AppSettingsState appSettings,
+                                          ProjectSettingsState projectSettings) {
+        // docGetEffect first because default false
+        if (appSettings.docGetEffect && projectSettings.globalFilterEffective) {
+            return getDoc(text, appSettings.docGet);
+        } else if (projectSettings.docGetEffect && projectSettings.projectFilterEffective) {
+            return getDoc(text, projectSettings.docGet);
+        } else {
+            return text;
+        }
+    }
+
+    @Nullable
+    static String getDoc(String text, Pattern docGet) {
+        // if effect skip check empty
+        Matcher m = docGet.matcher(text);
+        if (m.find()) {
+            return m.group(m.groupCount());
+        }
+        // one line
+        return text;
     }
 
     @NotNull
     private static StringBuilder tags(@NotNull PsiDocComment psiDocComment, boolean isTree,
-                                                  AppSettingsState appSettings) {
+                                      AppSettingsState appSettings) {
         StringBuilder sb = new StringBuilder();
         PsiDocTag[] tags = psiDocComment.getTags();
         for (PsiDocTag tag : tags) {
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 2442549..4d613c9 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
@@ -1,6 +1,7 @@
 package io.github.linwancen.plugin.show.settings;
 
 import com.intellij.ui.IdeBorderFactory;
+import com.intellij.ui.components.JBCheckBox;
 import com.intellij.ui.components.JBLabel;
 import com.intellij.ui.components.JBTextField;
 import com.intellij.util.ui.FormBuilder;
@@ -10,15 +11,18 @@ import javax.swing.*;
 
 public abstract class AbstractSettingsComponent {
 
-    protected final JBTextField lineInclude = new JBTextField();
-    protected final JBTextField lineExclude = new JBTextField();
+    private final JBTextField lineInclude = new JBTextField();
+    private final JBTextField lineExclude = new JBTextField();
 
-    public final JBTextField docInclude = new JBTextField();
-    public final JBTextField docExclude = new JBTextField();
+    private final JBTextField docInclude = new JBTextField();
+    private final JBTextField docExclude = new JBTextField();
+
+    private final JBCheckBox docGetEffect = new JBCheckBox("");
+    private final JBTextField docGet = new JBTextField();
 
     @NotNull
     protected JPanel commonLineEndFilter(FormBuilder formBuilder) {
-        JPanel lineEndFilter = formBuilder
+        formBuilder = formBuilder
                 .addComponent(new JBLabel("Separated by '|' (Regexp), use '' to include all or exclude none."))
                 .addSeparator()
                 .addLabeledComponent(new JBLabel("className#memberName include Regexp: "), lineInclude, 1, true)
@@ -26,12 +30,18 @@ public abstract class AbstractSettingsComponent {
                 .addSeparator()
                 .addLabeledComponent(new JBLabel("comment include Regexp: "), docInclude, 1, true)
                 .addLabeledComponent(new JBLabel("comment exclude Regexp: "), docExclude, 1, true)
-                .getPanel();
-        lineEndFilter.setBorder(IdeBorderFactory.createTitledBorder(
-                "Line End Comment"));
+                .addSeparator();
+        formBuilder = add(formBuilder, docGetEffect, this.docGet,
+                "get doc Regexp, last () when had, default is first sentence .+?(?:[。\\r\\n]|\\. ) :");
+        JPanel lineEndFilter = formBuilder.getPanel();
+        lineEndFilter.setBorder(IdeBorderFactory.createTitledBorder("Line End Comment"));
         return lineEndFilter;
     }
 
+    protected FormBuilder add(FormBuilder formBuilder, JBCheckBox jbCheckBox, JBTextField jbTextField, String tip) {
+        return formBuilder.addLabeledComponent(JPanelFactory.of(jbCheckBox, new JBLabel(tip)), jbTextField, 1, true);
+    }
+
     @NotNull
     public String getLineInclude() {
         return lineInclude.getText();
@@ -68,4 +78,22 @@ public abstract class AbstractSettingsComponent {
     public void setDocExclude(@NotNull String newText) {
         docExclude.setText(newText);
     }
+
+
+    public boolean getDocGetEffect() {
+        return docGetEffect.isSelected();
+    }
+
+    public void setDocGetEffect(boolean newStatus) {
+        docGetEffect.setSelected(newStatus);
+    }
+
+    @NotNull
+    public String getDocGet() {
+        return docGet.getText();
+    }
+
+    public void setDocGet(@NotNull String newText) {
+        docGet.setText(newText);
+    }
 }
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 818474b..1a6c8f1 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 +9,8 @@ public class AbstractSettingsConfigurable {
         modified |= !component.getLineExclude().equals(settings.getLineExclude());
         modified |= !component.getDocInclude().equals(settings.getDocInclude());
         modified |= !component.getDocExclude().equals(settings.getDocExclude());
+        modified |= component.getDocGetEffect() != settings.docGetEffect;
+        modified |= !component.getDocGet().equals(settings.getDocGet());
         return modified;
     }
 
@@ -17,6 +19,8 @@ public class AbstractSettingsConfigurable {
         settings.setLineExclude(component.getLineExclude());
         settings.setDocInclude(component.getDocInclude());
         settings.setDocExclude(component.getDocExclude());
+        settings.docGetEffect = component.getDocGetEffect();
+        settings.setDocGet(component.getDocGet());
     }
 
     static void reset(AbstractSettingsState settings, AbstractSettingsComponent component) {
@@ -24,5 +28,7 @@ public class AbstractSettingsConfigurable {
         component.setLineExclude(settings.getLineExclude());
         component.setDocInclude(settings.getDocInclude());
         component.setDocExclude(settings.getDocExclude());
+        component.setDocGetEffect(settings.docGetEffect);
+        component.setDocGet(settings.getDocGet());
     }
 }
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 a1e6551..12f713f 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
@@ -8,6 +8,8 @@ public abstract class AbstractSettingsState {
     public transient Pattern lineExclude = Pattern.compile("^java");
     public transient Pattern docInclude = Pattern.compile("");
     public transient Pattern docExclude = Pattern.compile("");
+    public transient boolean docGetEffect = false;
+    public transient Pattern docGet = Pattern.compile(".+?(?:[。\\r\\n]|\\. )");
 
     public String getLineInclude() {
         return lineInclude.pattern();
@@ -25,6 +27,7 @@ public abstract class AbstractSettingsState {
         this.lineExclude = Pattern.compile(lineExclude);
     }
 
+
     public String getDocInclude() {
         return docInclude.pattern();
     }
@@ -40,4 +43,13 @@ public abstract class AbstractSettingsState {
     public void setDocExclude(String docExclude) {
         this.docExclude = Pattern.compile(docExclude);
     }
+
+
+    public String getDocGet() {
+        return docGet.pattern();
+    }
+
+    public void setDocGet(String docExclude) {
+        this.docGet = Pattern.compile(docExclude);
+    }
 }
diff --git a/src/main/java/io/github/linwancen/plugin/show/settings/JPanelFactory.java b/src/main/java/io/github/linwancen/plugin/show/settings/JPanelFactory.java
index da650db..026e9ad 100644
--- a/src/main/java/io/github/linwancen/plugin/show/settings/JPanelFactory.java
+++ b/src/main/java/io/github/linwancen/plugin/show/settings/JPanelFactory.java
@@ -10,7 +10,9 @@ public class JPanelFactory {
     public static JPanel of(Component... components) {
         JPanel jPanel = new JPanel(new FlowLayout(FlowLayout.LEFT));
         for (Component component : components) {
-            jPanel.add(component);
+            if (component != null) {
+                jPanel.add(component);
+            }
         }
         return jPanel;
     }
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 ce9fb8b..76be6b1 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
@@ -33,7 +33,7 @@ public class ProjectSettingsComponent extends AbstractSettingsComponent {
     }
 
     public JComponent getPreferredFocusedComponent() {
-        return lineInclude;
+        return projectFilterEffective;
     }