diff --git a/README.md b/README.md
index 2b3f7cd..d518aba 100644
--- a/README.md
+++ b/README.md
@@ -13,7 +13,7 @@ Show doc comment in the Project view Tree, line End, json, other
 
 <h2>English Note</h2>
 <ul>
-<li>support Java Kotlin Scala Groovy JS/TS PHP Python Go Rust C SQL
+<li>support Java Kotlin Scala Groovy JS/TS PHP Python Go Rust Ruby C SQL
 <li>tree doc from lang or README.md pom .gradle etc. by settings 
 <li>input `doc` `docc` -> /** */
 <li>json doc from xxx.json.tsv
@@ -58,7 +58,7 @@ Show doc comment in the Project view Tree, line End, json, other
 <ul>
 <li>在结构树显示 文件注释 或 项目说明 (README.md pom.xml 等，可设置)
 <li>在行末尾显示 引用对象的文档注释，欢迎反馈您想要支持的语言，欢迎 C# 大神研究 CsLineEnd.java
-<li>目前支持 Java Kotlin Scala Groovy JS/TS PHP Python Go Rust C SQL
+<li>目前支持 Java Kotlin Scala Groovy JS/TS PHP Python Go Rust Ruby C SQL
 <li>输入 doc / docc 等生成 /** */
 <li>json 字段注释从 xxx.json.tsv 读取
 <li>json 字典注释从 键名.tsv 读取
@@ -121,7 +121,7 @@ Show doc comment in the Project view Tree, line End, json, other
 
 <h2>English Change Notes:</h2>
 <ul>
-<li>2.16  Add line-end-comment  support Rust, PHP, C/C++/Object C, Scala, Groovy
+<li>2.16  Add line-end-comment  support Rust, Ruby, PHP, C/C++/Object C, Scala, Groovy
 <li>2.15  Add line-end-comment  java anno doc
 <li>2.14  Add line-end-comment  java enum doc for Yes(1, "Yes")
 <li>2.13  ★                     Cache for 2023.3
@@ -166,7 +166,7 @@ Show doc comment in the Project view Tree, line End, json, other
 
 <h2>中文更新说明:</h2>
 <ul>
-<li>2.16  增加 行末注释   支持 Rust, PHP, C/C++/Object C, Scala, Groovy
+<li>2.16  增加 行末注释   支持 Rust, Ruby, PHP, C/C++/Object C, Scala, Groovy
 <li>2.15  增加 行末注释   java 注解注释
 <li>2.14  增加 行末注释   java 枚举注释用于 Yes(1, "是")
 <li>2.13  ★             缓存用于支持 2023.3
diff --git a/build.gradle b/build.gradle
index c5f1124..ea7c13a 100644
--- a/build.gradle
+++ b/build.gradle
@@ -33,12 +33,13 @@ intellij {
             'Pythonid:201.6668.121',
             'org.rust.lang:0.3.131.3366-201',
             'org.toml.lang:0.2.131.3366-201',
-            'org.intellij.scala:2020.1.43',
+            'org.jetbrains.plugins.ruby:201.6668.113',
     ]
     if ('IC' == ideTypeStr || 'IU' == ideTypeStr) {
         plugins.add('java')
         plugins.add('org.jetbrains.kotlin')
         plugins.add('org.intellij.groovy')
+        plugins.add('org.intellij.scala:2020.1.43')
     } else if ('CL' == ideTypeStr) {
         plugins.add('com.intellij.clion-swift:201.6668.126')
     }
@@ -93,7 +94,7 @@ patchPluginXml {
     changeNotes = """
 <h2>English Change Notes:</h2>
 <ul>
-<li>2.16  Add line-end-comment  support Rust, PHP, C/C++/Object C, Scala, Groovy
+<li>2.16  Add line-end-comment  support Rust, Ruby, PHP, C/C++/Object C, Scala, Groovy
 <li>2.15  Add line-end-comment  java anno doc
 <li>2.14  Add line-end-comment  java enum doc for Yes(1, "Yes")
 <li>2.13  ★                     Cache for 2023.3
@@ -138,7 +139,7 @@ patchPluginXml {
 
 <h2>中文更新说明:</h2>
 <ul>
-<li>2.16  增加 行末注释   支持 Rust, PHP, C/C++/Object C, Scala, Groovy
+<li>2.16  增加 行末注释   支持 Rust, Ruby, PHP, C/C++/Object C, Scala, Groovy
 <li>2.15  增加 行末注释   java 注解注释
 <li>2.14  增加 行末注释   java 枚举注释用于 Yes(1, "是")
 <li>2.13  ★             缓存用于支持 2023.3
diff --git a/src/main/java/io/github/linwancen/plugin/show/lang/RubyLangDoc.java b/src/main/java/io/github/linwancen/plugin/show/lang/RubyLangDoc.java
new file mode 100644
index 0000000..5352f97
--- /dev/null
+++ b/src/main/java/io/github/linwancen/plugin/show/lang/RubyLangDoc.java
@@ -0,0 +1,28 @@
+package io.github.linwancen.plugin.show.lang;
+
+import com.intellij.psi.PsiElement;
+import io.github.linwancen.plugin.show.bean.LineInfo;
+import io.github.linwancen.plugin.show.lang.base.BaseLangDoc;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.plugins.ruby.ruby.lang.RubyLanguage;
+import org.jetbrains.plugins.ruby.ruby.lang.psi.references.RDotReference;
+import org.jetbrains.plugins.ruby.ruby.lang.psi.variables.RIdentifier;
+
+import java.util.List;
+
+public class RubyLangDoc extends BaseLangDoc {
+
+    static {
+        LANG_DOC_MAP.put(RubyLanguage.INSTANCE.getID(), new RubyLangDoc());
+    }
+
+    @Override
+    public @NotNull List<Class<? extends PsiElement>> getRefClass() {
+        return List.of(RDotReference.class, RIdentifier.class);
+    }
+
+    @Override
+    public boolean show(@NotNull LineInfo info) {
+        return info.appSettings.showLineEndCommentRubyBase;
+    }
+}
diff --git a/src/main/java/io/github/linwancen/plugin/show/settings/AppSettingsComponent.java b/src/main/java/io/github/linwancen/plugin/show/settings/AppSettingsComponent.java
index b9a22bd..e43acf5 100644
--- a/src/main/java/io/github/linwancen/plugin/show/settings/AppSettingsComponent.java
+++ b/src/main/java/io/github/linwancen/plugin/show/settings/AppSettingsComponent.java
@@ -38,6 +38,7 @@ public class AppSettingsComponent {
     private final JBCheckBox showLineEndCommentGo = new JBCheckBox("   Go ");
     private final JBCheckBox showLineEndCommentGoBase = new JBCheckBox("// Go ");
     private final JBCheckBox showLineEndCommentRustBase = new JBCheckBox("// Rust ");
+    private final JBCheckBox showLineEndCommentRubyBase = new JBCheckBox("// Ruby ");
     private final JBCheckBox showLineEndCommentCBase = new JBCheckBox("// C ");
     private final JBCheckBox showLineEndCommentSwiftBase = new JBCheckBox("// Swift ");
     private final JBCheckBox showLineEndCommentSql = new JBCheckBox("    sql ");
@@ -318,6 +319,14 @@ public class AppSettingsComponent {
         showLineEndCommentRustBase.setSelected(newStatus);
     }
 
+    public boolean getShowLineEndCommentRubyBase() {
+        return showLineEndCommentRubyBase.isSelected();
+    }
+
+    public void setShowLineEndCommentRubyBase(boolean newStatus) {
+        showLineEndCommentRubyBase.setSelected(newStatus);
+    }
+
     public boolean getShowLineEndCommentCBase() {
         return showLineEndCommentCBase.isSelected();
     }
diff --git a/src/main/java/io/github/linwancen/plugin/show/settings/AppSettingsConfigurable.java b/src/main/java/io/github/linwancen/plugin/show/settings/AppSettingsConfigurable.java
index 82b1e75..ec5f0d6 100644
--- a/src/main/java/io/github/linwancen/plugin/show/settings/AppSettingsConfigurable.java
+++ b/src/main/java/io/github/linwancen/plugin/show/settings/AppSettingsConfigurable.java
@@ -58,6 +58,7 @@ public class AppSettingsConfigurable implements Configurable {
         modified |= mySettingsComponent.getShowLineEndCommentPyBase() != settings.showLineEndCommentPyBase;
         modified |= mySettingsComponent.getShowLineEndCommentGoBase() != settings.showLineEndCommentGoBase;
         modified |= mySettingsComponent.getShowLineEndCommentRustBase() != settings.showLineEndCommentRustBase;
+        modified |= mySettingsComponent.getShowLineEndCommentRubyBase() != settings.showLineEndCommentRubyBase;
         modified |= mySettingsComponent.getShowLineEndCommentCBase() != settings.showLineEndCommentCBase;
         modified |= mySettingsComponent.getShowLineEndCommentSwiftBase() != settings.showLineEndCommentSwiftBase;
         modified |= mySettingsComponent.getShowLineEndCommentSql() != settings.showLineEndCommentSql;
@@ -106,6 +107,7 @@ public class AppSettingsConfigurable implements Configurable {
         settings.showLineEndCommentPyBase = mySettingsComponent.getShowLineEndCommentPyBase();
         settings.showLineEndCommentGoBase = mySettingsComponent.getShowLineEndCommentGoBase();
         settings.showLineEndCommentRustBase = mySettingsComponent.getShowLineEndCommentRustBase();
+        settings.showLineEndCommentRubyBase = mySettingsComponent.getShowLineEndCommentRubyBase();
         settings.showLineEndCommentCBase = mySettingsComponent.getShowLineEndCommentCBase();
         settings.showLineEndCommentSwiftBase = mySettingsComponent.getShowLineEndCommentSwiftBase();
         settings.showLineEndCommentSql = mySettingsComponent.getShowLineEndCommentSql();
@@ -157,6 +159,7 @@ public class AppSettingsConfigurable implements Configurable {
         mySettingsComponent.setShowLineEndCommentPyBase(settings.showLineEndCommentPyBase);
         mySettingsComponent.setShowLineEndCommentGoBase(settings.showLineEndCommentGoBase);
         mySettingsComponent.setShowLineEndCommentRustBase(settings.showLineEndCommentRustBase);
+        mySettingsComponent.setShowLineEndCommentRubyBase(settings.showLineEndCommentRubyBase);
         mySettingsComponent.setShowLineEndCommentCBase(settings.showLineEndCommentCBase);
         mySettingsComponent.setShowLineEndCommentSwiftBase(settings.showLineEndCommentSwiftBase);
         mySettingsComponent.setShowLineEndCommentSql(settings.showLineEndCommentSql);
diff --git a/src/main/java/io/github/linwancen/plugin/show/settings/AppSettingsState.java b/src/main/java/io/github/linwancen/plugin/show/settings/AppSettingsState.java
index fdccebe..11de401 100644
--- a/src/main/java/io/github/linwancen/plugin/show/settings/AppSettingsState.java
+++ b/src/main/java/io/github/linwancen/plugin/show/settings/AppSettingsState.java
@@ -46,6 +46,7 @@ public class AppSettingsState implements PersistentStateComponent<AppSettingsSta
     public boolean showLineEndCommentGo = true;
     public boolean showLineEndCommentGoBase = false;
     public boolean showLineEndCommentRustBase = true;
+    public boolean showLineEndCommentRubyBase = true;
     public boolean showLineEndCommentCBase = true;
     public boolean showLineEndCommentSwiftBase = true;
     public boolean showLineEndCommentSql = true;
diff --git a/src/main/resources/META-INF/plugin.xml b/src/main/resources/META-INF/plugin.xml
index 4033aa5..cab15f0 100644
--- a/src/main/resources/META-INF/plugin.xml
+++ b/src/main/resources/META-INF/plugin.xml
@@ -11,7 +11,7 @@ Show doc comment in the Project view Tree, line End, json, other
 
 <h2>English Note</h2>
 <ul>
-<li>support Java Kotlin Scala Groovy JS/TS PHP Python Go Rust C SQL
+<li>support Java Kotlin Scala Groovy JS/TS PHP Python Go Rust Ruby C SQL
 <li>tree doc from lang or README.md pom .gradle etc. by settings
 <li>input `doc` `docc` -> /** */
 <li>json doc from xxx.json.tsv
@@ -56,7 +56,7 @@ Show doc comment in the Project view Tree, line End, json, other
 <ul>
 <li>在结构树显示 文件注释 或 项目说明 (README.md pom.xml 等，可设置)
 <li>在行末尾显示 引用对象的文档注释，欢迎反馈您想要支持的语言，欢迎 C# 大神研究 CsLineEnd.java
-<li>目前支持 Java Kotlin Scala Groovy JS/TS PHP Python Go Rust C SQL
+<li>目前支持 Java Kotlin Scala Groovy JS/TS PHP Python Go Rust Ruby C SQL
 <li>输入 doc / docc 等生成 /** */
 <li>json 字段注释从 xxx.json.tsv 读取
 <li>json 字典注释从 键名.tsv 读取
@@ -120,9 +120,9 @@ Show doc comment in the Project view Tree, line End, json, other
   <depends>com.intellij.modules.platform</depends>
   <depends optional="true" config-file="java.xml">com.intellij.modules.java</depends>
   <depends optional="true" config-file="kotlin.xml">org.jetbrains.kotlin</depends>
+  <depends optional="true" config-file="groovy.xml">org.intellij.groovy</depends>
   <!--suppress PluginXmlValidity -->
   <depends optional="true" config-file="scala.xml">org.intellij.scala</depends>
-  <depends optional="true" config-file="groovy.xml">org.intellij.groovy</depends>
   <depends optional="true" config-file="sql.xml">com.intellij.database</depends>
   <depends optional="true" config-file="js.xml">JavaScript</depends>
   <depends optional="true" config-file="php.xml">com.jetbrains.php</depends>
@@ -132,6 +132,7 @@ Show doc comment in the Project view Tree, line End, json, other
   <depends optional="true" config-file="rust_old.xml">org.rust.lang</depends>
   <!--suppress PluginXmlValidity -->
   <depends optional="true" config-file="rust.xml">com.jetbrains.rust</depends>
+  <depends optional="true" config-file="ruby.xml">com.intellij.modules.ruby</depends>
   <!--suppress PluginXmlValidity -->
   <depends optional="true" config-file="c.xml">com.intellij.modules.clion</depends>
   <!--suppress PluginXmlValidity -->
diff --git a/src/main/resources/META-INF/ruby.xml b/src/main/resources/META-INF/ruby.xml
new file mode 100644
index 0000000..10a3583
--- /dev/null
+++ b/src/main/resources/META-INF/ruby.xml
@@ -0,0 +1,5 @@
+<idea-plugin>
+  <extensions defaultExtensionNs="com.intellij">
+    <editor.linePainter implementation="io.github.linwancen.plugin.show.lang.RubyLangDoc"/>
+  </extensions>
+</idea-plugin>
\ No newline at end of file
diff --git a/src/test/java/io/github/linwancen/plugin/show/demo/ruby.rb b/src/test/java/io/github/linwancen/plugin/show/demo/ruby.rb
new file mode 100644
index 0000000..5cc0694
--- /dev/null
+++ b/src/test/java/io/github/linwancen/plugin/show/demo/ruby.rb
@@ -0,0 +1,36 @@
+lwc = Human.new("lwc")
+lwc.met1("Hi")
+
+# fun
+def fun(x,y)
+  fun2
+  fun3("Hi")
+  h = Human.new
+  h.met2
+end
+
+# fun2
+def fun2()
+
+end
+
+# fun3
+def fun3(msg)
+
+end
+
+# class
+class Human
+  # Human
+
+  # met1 #met2
+  def met1(msg)
+    met2
+  end
+
+  # met2
+  def met2
+
+  end
+
+end
\ No newline at end of file