diff --git a/README.md b/README.md
index cab1d6d..dd5843d 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 JS/TS PHP Python Go Rust C SQL
+<li>support Java Kotlin Scala JS/TS PHP Python Go Rust 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 JS/TS PHP Python Go Rust C SQL
+<li>目前支持 Java Kotlin Scala JS/TS PHP Python Go Rust 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
+<li>2.16  Add line-end-comment  support Rust, PHP, C/C++/Object C, Scala
 <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
+<li>2.16  增加 行末注释   支持 Rust, PHP, C/C++/Object C, Scala
 <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 d234cee..8837963 100644
--- a/build.gradle
+++ b/build.gradle
@@ -33,6 +33,7 @@ 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',
     ]
     if ('IC' == ideTypeStr || 'IU' == ideTypeStr) {
         plugins.add('java')
@@ -91,7 +92,7 @@ patchPluginXml {
     changeNotes = """
 <h2>English Change Notes:</h2>
 <ul>
-<li>2.16  Add line-end-comment  support Rust, PHP, C/C++/Object C
+<li>2.16  Add line-end-comment  support Rust, PHP, C/C++/Object C, Scala
 <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
@@ -136,7 +137,7 @@ 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
+<li>2.16  增加 行末注释   支持 Rust, PHP, C/C++/Object C, Scala
 <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/idea/io/github/linwancen/plugin/show/java/JavaLangDoc.java b/src/main/idea/io/github/linwancen/plugin/show/java/JavaLangDoc.java
index a60e725..4d13cb4 100644
--- a/src/main/idea/io/github/linwancen/plugin/show/java/JavaLangDoc.java
+++ b/src/main/idea/io/github/linwancen/plugin/show/java/JavaLangDoc.java
@@ -3,8 +3,20 @@ package io.github.linwancen.plugin.show.java;
 import com.intellij.ide.projectView.ProjectViewNode;
 import com.intellij.lang.java.JavaLanguage;
 import com.intellij.openapi.project.Project;
-import com.intellij.psi.*;
-import com.intellij.psi.javadoc.*;
+import com.intellij.psi.PsiDocCommentOwner;
+import com.intellij.psi.PsiElement;
+import com.intellij.psi.PsiEnumConstant;
+import com.intellij.psi.PsiField;
+import com.intellij.psi.PsiJavaCodeReferenceElement;
+import com.intellij.psi.PsiJvmModifiersOwner;
+import com.intellij.psi.PsiMethod;
+import com.intellij.psi.PsiParameter;
+import com.intellij.psi.PsiWhiteSpace;
+import com.intellij.psi.javadoc.PsiDocComment;
+import com.intellij.psi.javadoc.PsiDocTag;
+import com.intellij.psi.javadoc.PsiDocTagValue;
+import com.intellij.psi.javadoc.PsiDocToken;
+import com.intellij.psi.javadoc.PsiInlineDocTag;
 import com.intellij.psi.util.PsiTreeUtil;
 import io.github.linwancen.plugin.show.bean.LineInfo;
 import io.github.linwancen.plugin.show.bean.SettingsInfo;
@@ -111,9 +123,14 @@ public class JavaLangDoc extends BaseTagLangDoc<PsiDocComment> {
     @NotNull
     @Override
     protected <T extends SettingsInfo> String descDoc(@NotNull T info, @NotNull PsiDocComment psiDocComment) {
+        @NotNull PsiElement[] elements = psiDocComment.getDescriptionElements();
+        return elementsDesc(info, elements);
+    }
+
+    @NotNull
+    protected <T extends SettingsInfo> String elementsDesc(@NotNull T info, @NotNull PsiElement[] elements) {
         @NotNull StringBuilder sb = new StringBuilder();
         int lineCount = 0;
-        @NotNull PsiElement[] elements = psiDocComment.getDescriptionElements();
         for (PsiElement element : elements) {
             if (appendElementText(sb, element)) {
                 lineCount++;
@@ -126,9 +143,9 @@ public class JavaLangDoc extends BaseTagLangDoc<PsiDocComment> {
     }
 
     /**
-     * @return is new line
+     * @return is a new line
      */
-    private static boolean appendElementText(@NotNull StringBuilder sb, PsiElement element) {
+    protected boolean appendElementText(@NotNull StringBuilder sb, PsiElement element) {
         if (element instanceof PsiDocToken) {
             @NotNull PsiDocToken psiDocToken = (PsiDocToken) element;
             DocFilter.addHtml(sb, psiDocToken.getText());
@@ -148,10 +165,14 @@ public class JavaLangDoc extends BaseTagLangDoc<PsiDocComment> {
                                                       @NotNull PsiDocComment psiDocComment, @NotNull String name) {
         @NotNull PsiDocTag[] tags = psiDocComment.findTagsByName(name);
         for (@NotNull PsiDocTag tag : tags) {
-            // @see @param should use getDataElements()
             @Nullable PsiDocTagValue value = tag.getValueElement();
             if (value != null) {
                 DocFilter.addHtml(tagStrBuilder, value.getText());
+            } else  {
+                PsiElement[] dataElements = tag.getDataElements();
+                if (dataElements.length > 0) {
+                    DocFilter.addHtml(tagStrBuilder, dataElements[0].getText());
+                }
             }
         }
     }
diff --git a/src/main/idea/io/github/linwancen/plugin/show/java/ScalaLangDoc.java b/src/main/idea/io/github/linwancen/plugin/show/java/ScalaLangDoc.java
new file mode 100644
index 0000000..5903176
--- /dev/null
+++ b/src/main/idea/io/github/linwancen/plugin/show/java/ScalaLangDoc.java
@@ -0,0 +1,79 @@
+package io.github.linwancen.plugin.show.java;
+
+import com.intellij.psi.PsiDocCommentOwner;
+import com.intellij.psi.PsiElement;
+import com.intellij.psi.javadoc.PsiDocComment;
+import com.intellij.psi.javadoc.PsiDocTag;
+import io.github.linwancen.plugin.show.bean.LineInfo;
+import io.github.linwancen.plugin.show.bean.SettingsInfo;
+import io.github.linwancen.plugin.show.java.line.OwnerToPsiDocSkip;
+import io.github.linwancen.plugin.show.lang.base.DocFilter;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+import org.jetbrains.plugins.scala.ScalaLanguage;
+import org.jetbrains.plugins.scala.lang.psi.api.expr.ScReferenceExpression;
+import org.jetbrains.plugins.scala.lang.scaladoc.psi.api.ScDocResolvableCodeReference;
+import org.jetbrains.plugins.scala.lang.scaladoc.psi.api.ScDocTag;
+
+import java.util.List;
+
+public class ScalaLangDoc extends JavaLangDoc {
+
+    public static final ScalaLangDoc INSTANCE = new ScalaLangDoc();
+
+    static {
+        LANG_DOC_MAP.put(ScalaLanguage.INSTANCE.getID(), INSTANCE);
+    }
+
+    @Override
+    public @NotNull List<Class<? extends PsiElement>> getRefClass() {
+        return List.of(ScReferenceExpression.class, ScDocResolvableCodeReference.class);
+    }
+
+    @Override
+    public boolean show(@NotNull LineInfo info) {
+        return info.appSettings.showLineEndCommentScala;
+    }
+
+    @Override
+    protected <T extends SettingsInfo> boolean parseBaseComment(@NotNull T info) {
+        return info.appSettings.showLineEndCommentScalaBase;
+    }
+
+    @Nullable
+    @Override
+    protected <T extends SettingsInfo> PsiDocComment toDocElement(@NotNull T info,
+                                                                  @NotNull PsiElement resolve) {
+        if (resolve instanceof PsiDocCommentOwner) {
+            @NotNull PsiDocCommentOwner psiDocCommentOwner = (PsiDocCommentOwner) resolve;
+            return OwnerToPsiDocSkip.refDocWithOutSkip(info, psiDocCommentOwner);
+        }
+        return null;
+    }
+
+    @NotNull
+    @Override
+    protected <T extends SettingsInfo> String descDoc(@NotNull T info, @NotNull PsiDocComment psiDocComment) {
+        @NotNull PsiElement[] elements = psiDocComment.getChildren();
+        StringBuilder sb = new StringBuilder();
+        for (PsiElement element : elements) {
+            if (!(element instanceof PsiDocTag)) {
+                sb.append(element.getText());
+            }
+        }
+        return DocFilter.cutDoc(sb.toString(), info, true);
+    }
+
+    @Override
+    protected <T extends SettingsInfo> void appendTag(@NotNull T info, @NotNull StringBuilder tagStrBuilder,
+                                                      @NotNull PsiDocComment psiDocComment, @NotNull String name) {
+        @NotNull PsiDocTag[] tags = psiDocComment.findTagsByName("@" + name);
+        for (@NotNull PsiDocTag tag : tags) {
+            if (tag instanceof ScDocTag) {
+                ScDocTag scDocTag = (ScDocTag) tag;
+                String doc = scDocTag.getCommentDataText();
+                DocFilter.addHtml(tagStrBuilder, doc);
+            }
+        }
+    }
+}
diff --git a/src/main/idea/io/github/linwancen/plugin/show/java/line/OwnerToPsiDocSkip.java b/src/main/idea/io/github/linwancen/plugin/show/java/line/OwnerToPsiDocSkip.java
index 608f4c0..f3addf7 100644
--- a/src/main/idea/io/github/linwancen/plugin/show/java/line/OwnerToPsiDocSkip.java
+++ b/src/main/idea/io/github/linwancen/plugin/show/java/line/OwnerToPsiDocSkip.java
@@ -18,6 +18,12 @@ public class OwnerToPsiDocSkip {
     @Nullable
     public static <T extends SettingsInfo> PsiDocComment refDoc(@NotNull T info,
                                                                 @Nullable PsiDocCommentOwner docOwner) {
+        return SkipUtils.skipDoc(info, refDocWithOutSkip(info, docOwner));
+    }
+
+    @Nullable
+    public static <T extends SettingsInfo> PsiDocComment refDocWithOutSkip(@NotNull T info,
+                                                                            @Nullable PsiDocCommentOwner docOwner) {
         if (docOwner == null) {
             return null;
         }
@@ -27,6 +33,6 @@ public class OwnerToPsiDocSkip {
         @Nullable PsiDocComment docComment = docOwner instanceof PsiMethod
                 ? PsiMethodToPsiDoc.methodSupperNewPropDoc(((PsiMethod) docOwner))
                 : docOwner.getDocComment();
-        return SkipUtils.skipDoc(info, docComment);
+        return docComment;
     }
 }
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 2e28f17..73a87b7 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
@@ -24,7 +24,9 @@ public class AppSettingsComponent {
     private final JBCheckBox showLineEndCommentJava = new JBCheckBox("   Java ");
     private final JBCheckBox showLineEndCommentJavaBase = new JBCheckBox("// Java ");
     private final JBCheckBox showLineEndCommentKotlin = new JBCheckBox("   Kotlin ");
+    private final JBCheckBox showLineEndCommentScala = new JBCheckBox("   Scala ");
     private final JBCheckBox showLineEndCommentKotlinBase = new JBCheckBox("// Kotlin ");
+    private final JBCheckBox showLineEndCommentScalaBase = new JBCheckBox("// Scala ");
     private final JBCheckBox showLineEndCommentJs = new JBCheckBox("   js ");
     private final JBCheckBox showLineEndCommentJsBase = new JBCheckBox("// js ");
     private final JBCheckBox showLineEndCommentPhp = new JBCheckBox("   php ");
@@ -69,19 +71,27 @@ public class AppSettingsComponent {
                 .addComponent(JPanelFactory.of(
                         showLineEndCommentJava,
                         showLineEndCommentKotlin,
+                        showLineEndCommentScala
+                ), 1)
+                .addComponent(JPanelFactory.of(
+                        showLineEndCommentJavaBase,
+                        showLineEndCommentKotlinBase,
+                        showLineEndCommentScalaBase
+                ), 1)
+                .addComponent(JPanelFactory.of(
                         showLineEndCommentJs,
                         showLineEndCommentPhp,
                         showLineEndCommentPy,
+
                         showLineEndCommentGo,
                         showLineEndCommentSql,
                         showLineEndCommentJson
                 ), 1)
                 .addComponent(JPanelFactory.of(
-                        showLineEndCommentJavaBase,
-                        showLineEndCommentKotlinBase,
                         showLineEndCommentJsBase,
                         showLineEndCommentPhpBase,
                         showLineEndCommentPyBase,
+
                         showLineEndCommentRustBase,
                         showLineEndCommentCBase,
                         showLineEndCommentSwiftBase
@@ -184,6 +194,14 @@ public class AppSettingsComponent {
         showLineEndCommentKotlin.setSelected(newStatus);
     }
 
+    public boolean getShowLineEndCommentScala() {
+        return showLineEndCommentScala.isSelected();
+    }
+
+    public void setShowLineEndCommentScala(boolean newStatus) {
+        showLineEndCommentScala.setSelected(newStatus);
+    }
+
     public boolean getShowLineEndCommentJs() {
         return showLineEndCommentJs.isSelected();
     }
@@ -232,6 +250,14 @@ public class AppSettingsComponent {
         showLineEndCommentKotlinBase.setSelected(newStatus);
     }
 
+    public boolean getShowLineEndCommentScalaBase() {
+        return showLineEndCommentScalaBase.isSelected();
+    }
+
+    public void setShowLineEndCommentScalaBase(boolean newStatus) {
+        showLineEndCommentScalaBase.setSelected(newStatus);
+    }
+
     public boolean getShowLineEndCommentJsBase() {
         return showLineEndCommentJsBase.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 7fd9e0d..9e649a1 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
@@ -43,12 +43,14 @@ public class AppSettingsConfigurable implements Configurable {
         modified |= mySettingsComponent.getLineEndCache() != settings.lineEndCache;
         modified |= mySettingsComponent.getShowLineEndCommentJava() != settings.showLineEndCommentJava;
         modified |= mySettingsComponent.getShowLineEndCommentKotlin() != settings.showLineEndCommentKotlin;
+        modified |= mySettingsComponent.getShowLineEndCommentScala() != settings.showLineEndCommentScala;
         modified |= mySettingsComponent.getShowLineEndCommentJs() != settings.showLineEndCommentJs;
         modified |= mySettingsComponent.getShowLineEndCommentPhp() != settings.showLineEndCommentPhp;
         modified |= mySettingsComponent.getShowLineEndCommentPy() != settings.showLineEndCommentPy;
         modified |= mySettingsComponent.getShowLineEndCommentGo() != settings.showLineEndCommentGo;
         modified |= mySettingsComponent.getShowLineEndCommentJavaBase() != settings.showLineEndCommentJavaBase;
         modified |= mySettingsComponent.getShowLineEndCommentKotlinBase() != settings.showLineEndCommentKotlinBase;
+        modified |= mySettingsComponent.getShowLineEndCommentScalaBase() != settings.showLineEndCommentScalaBase;
         modified |= mySettingsComponent.getShowLineEndCommentJsBase() != settings.showLineEndCommentJsBase;
         modified |= mySettingsComponent.getShowLineEndCommentPhpBase() != settings.showLineEndCommentPhpBase;
         modified |= mySettingsComponent.getShowLineEndCommentPyBase() != settings.showLineEndCommentPyBase;
@@ -87,12 +89,14 @@ public class AppSettingsConfigurable implements Configurable {
         settings.lineEndCache = mySettingsComponent.getLineEndCache();
         settings.showLineEndCommentJava = mySettingsComponent.getShowLineEndCommentJava();
         settings.showLineEndCommentKotlin = mySettingsComponent.getShowLineEndCommentKotlin();
+        settings.showLineEndCommentScala = mySettingsComponent.getShowLineEndCommentScala();
         settings.showLineEndCommentJs = mySettingsComponent.getShowLineEndCommentJs();
         settings.showLineEndCommentPhp = mySettingsComponent.getShowLineEndCommentPhp();
         settings.showLineEndCommentPy = mySettingsComponent.getShowLineEndCommentPy();
         settings.showLineEndCommentGo = mySettingsComponent.getShowLineEndCommentGo();
         settings.showLineEndCommentJavaBase = mySettingsComponent.getShowLineEndCommentJavaBase();
         settings.showLineEndCommentKotlinBase = mySettingsComponent.getShowLineEndCommentKotlinBase();
+        settings.showLineEndCommentScalaBase = mySettingsComponent.getShowLineEndCommentScalaBase();
         settings.showLineEndCommentJsBase = mySettingsComponent.getShowLineEndCommentJsBase();
         settings.showLineEndCommentPhpBase = mySettingsComponent.getShowLineEndCommentPhpBase();
         settings.showLineEndCommentPyBase = mySettingsComponent.getShowLineEndCommentPyBase();
@@ -134,12 +138,14 @@ public class AppSettingsConfigurable implements Configurable {
         mySettingsComponent.setLineEndCache(settings.lineEndCache);
         mySettingsComponent.setShowLineEndCommentJava(settings.showLineEndCommentJava);
         mySettingsComponent.setShowLineEndCommentKotlin(settings.showLineEndCommentKotlin);
+        mySettingsComponent.setShowLineEndCommentScala(settings.showLineEndCommentScala);
         mySettingsComponent.setShowLineEndCommentJs(settings.showLineEndCommentJs);
         mySettingsComponent.setShowLineEndCommentPhp(settings.showLineEndCommentPhp);
         mySettingsComponent.setShowLineEndCommentPy(settings.showLineEndCommentPy);
         mySettingsComponent.setShowLineEndCommentGo(settings.showLineEndCommentGo);
         mySettingsComponent.setShowLineEndCommentJavaBase(settings.showLineEndCommentJavaBase);
         mySettingsComponent.setShowLineEndCommentKotlinBase(settings.showLineEndCommentKotlinBase);
+        mySettingsComponent.setShowLineEndCommentScalaBase(settings.showLineEndCommentScalaBase);
         mySettingsComponent.setShowLineEndCommentJsBase(settings.showLineEndCommentJsBase);
         mySettingsComponent.setShowLineEndCommentPhpBase(settings.showLineEndCommentPhpBase);
         mySettingsComponent.setShowLineEndCommentPyBase(settings.showLineEndCommentPyBase);
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 410d2f7..daa53ad 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
@@ -33,6 +33,8 @@ public class AppSettingsState implements PersistentStateComponent<AppSettingsSta
     public boolean showLineEndCommentJavaBase = false;
     public boolean showLineEndCommentKotlin = true;
     public boolean showLineEndCommentKotlinBase = false;
+    public boolean showLineEndCommentScala = true;
+    public boolean showLineEndCommentScalaBase = false;
     public boolean showLineEndCommentJs = true;
     public boolean showLineEndCommentJsBase = false;
     public boolean showLineEndCommentPhp = true;
diff --git a/src/main/resources/META-INF/plugin.xml b/src/main/resources/META-INF/plugin.xml
index d90ca5c..7aa510f 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 JS/TS PHP Python Go Rust C SQL
+<li>support Java Kotlin Scala JS/TS PHP Python Go Rust 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 JS/TS PHP Python Go Rust C SQL
+<li>目前支持 Java Kotlin Scala JS/TS PHP Python Go Rust 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
@@ -120,6 +120,8 @@ 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>
+  <!--suppress PluginXmlValidity -->
+  <depends optional="true" config-file="scala.xml">org.intellij.scala</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>
diff --git a/src/main/resources/META-INF/scala.xml b/src/main/resources/META-INF/scala.xml
new file mode 100644
index 0000000..91465e5
--- /dev/null
+++ b/src/main/resources/META-INF/scala.xml
@@ -0,0 +1,5 @@
+<idea-plugin>
+  <extensions defaultExtensionNs="com.intellij">
+    <editor.linePainter implementation="io.github.linwancen.plugin.show.java.ScalaLangDoc"/>
+  </extensions>
+</idea-plugin>
\ No newline at end of file
diff --git a/src/test/java/io/github/linwancen/plugin/show/demo/ScalaClass.scala b/src/test/java/io/github/linwancen/plugin/show/demo/ScalaClass.scala
new file mode 100644
index 0000000..f6baf5f
--- /dev/null
+++ b/src/test/java/io/github/linwancen/plugin/show/demo/ScalaClass.scala
@@ -0,0 +1,21 @@
+/**
+ * Class
+ * [[ScalaClass#fun2()]]
+ */
+class ScalaClass {
+  /**
+   * fun
+   * call [[ScalaClass#fun2()]] method
+   */
+  private def fun(): Unit = {
+    fun2()
+  }
+
+  /**
+   * fun2
+   * @author name
+   */
+  def fun2(): Unit = {
+
+  }
+}