diff --git a/src/main/java/com/example/ide/css/CssModulesClassNameCompletionContributor.kt b/src/main/java/com/example/ide/css/CssModulesClassNameCompletionContributor.kt
index cd407dd..a4d863b 100644
--- a/src/main/java/com/example/ide/css/CssModulesClassNameCompletionContributor.kt
+++ b/src/main/java/com/example/ide/css/CssModulesClassNameCompletionContributor.kt
@@ -11,38 +11,34 @@ import com.intellij.psi.PsiElement
 import com.intellij.psi.css.StylesheetFile
 import com.intellij.util.ProcessingContext
 
-internal class CssModulesClassNameCompletionContributor : CompletionContributor() {
+class CssModulesClassNameCompletionContributor : CompletionContributor() {
 
     private val projectName = QCssMessageBundle.message("projectName")
 
-    private fun buildLookupElement(name: String, desc: String, psiElement: PsiElement?): LookupElement {
-        return LookupElementBuilder.create(name)
-            .withTailText(desc)
-            .withIcon(AllIcons.Xml.Css_class)
-            .bold()
-            .withCaseSensitivity(true)
-            .apply { psiElement?.let { withPsiElement(it) } }
-    }
+    init {
+         fun buildLookupElement(name: String, desc: String, psiElement: PsiElement?): LookupElement {
+            return LookupElementBuilder.create(name)
+                .withTailText(desc)
+                .withIcon(AllIcons.Xml.Css_class)
+                .bold()
+                .withCaseSensitivity(true)
+                .apply { psiElement?.let { withPsiElement(it) } }
+        }
 
-    private fun completionHelper(resultSet: CompletionResultSet, stylesheetFile: StylesheetFile) {
-        stylesheetFile.parent?.let { parent ->
-            val folderName = parent.name
-            val fileName = stylesheetFile.name
-            val psiElementRefHashMap = QCssModuleParseUtil.parseCssSelectorFormFile(stylesheetFile)
-            psiElementRefHashMap.forEach { (name, cssSelectors) ->
-                if (cssSelectors.isNotEmpty()) {
-                    val desc = " ($folderName/$fileName:${cssSelectors[0].lineNumber})_by_$projectName"
-                    resultSet.addElement(buildLookupElement(name, desc, cssSelectors[0]))
+
+         fun completionHelper(resultSet: CompletionResultSet, stylesheetFile: StylesheetFile) {
+            stylesheetFile.parent?.let { parent ->
+                val folderName = parent.name
+                val fileName = stylesheetFile.name
+                val psiElementRefHashMap = QCssModuleParseUtil.parseCssSelectorFormFile(stylesheetFile)
+                psiElementRefHashMap.forEach { (name, cssSelectors) ->
+                    if (cssSelectors.isNotEmpty()) {
+                        val desc = " ($folderName/$fileName:${cssSelectors[0].lineNumber})_by_$projectName"
+                        resultSet.addElement(buildLookupElement(name, desc, cssSelectors[0]))
+                    }
                 }
             }
         }
-    }
-
-    private fun addCompletions(resultSet: CompletionResultSet, stylesheetFile: StylesheetFile) {
-        completionHelper(resultSet, stylesheetFile)
-    }
-
-    init {
         val provider = object : CompletionProvider<CompletionParameters>() {
             override fun addCompletions(
                 parameters: CompletionParameters,
@@ -54,7 +50,7 @@ internal class CssModulesClassNameCompletionContributor : CompletionContributor(
                     val literalExpression = completionElement.parent as JSLiteralExpression
                     QCssModulesUtil.getCssClassNamesImportOrRequireDeclaration(literalExpression)?.let { declaration ->
                         QCssModulesUtil.resolveStyleSheetFile(declaration)?.let { styleSheetFile ->
-                            addCompletions(resultSet, styleSheetFile)
+                            completionHelper(resultSet, styleSheetFile)
                         }
                     }
                 }
diff --git a/src/main/java/com/example/ide/css/QCssModuleParseUtil.kt b/src/main/java/com/example/ide/css/QCssModuleParseUtil.kt
index 1ea8396..2baf5cc 100644
--- a/src/main/java/com/example/ide/css/QCssModuleParseUtil.kt
+++ b/src/main/java/com/example/ide/css/QCssModuleParseUtil.kt
@@ -97,6 +97,7 @@ internal object QCssModuleParseUtil {
      * 解析样式表文件, 此方法对外暴露, 外部调用的时候不需要关心是css还是scss还是less
      * @param stylesheetFile 样式表文件
      */
+    @JvmStatic
     fun parseCssSelectorFormFile(stylesheetFile: StylesheetFile?): MutableMap<String, Array<CssSelector>> {
         if (stylesheetFile == null || PsiTreeUtil.hasErrorElements(stylesheetFile)) return mutableMapOf()
         if (contentMap.containsKey(stylesheetFile.text.length.toString())) return contentMap[stylesheetFile.text.length.toString()] ?: mutableMapOf()
diff --git a/src/main/java/com/example/ide/css/QCssModulesUtil.kt b/src/main/java/com/example/ide/css/QCssModulesUtil.kt
index 79b21bd..7c4394a 100644
--- a/src/main/java/com/example/ide/css/QCssModulesUtil.kt
+++ b/src/main/java/com/example/ide/css/QCssModulesUtil.kt
@@ -24,6 +24,7 @@ internal object QCssModulesUtil {
      * @param classNameLiteral CSS 类名的字面量表达式
      * @return 对应的 PsiElement 对象，如果不存在则返回 null
      */
+    @JvmStatic
     fun getCssClassNamesImportOrRequireDeclaration(classNameLiteral: JSLiteralExpression): PsiElement? {
         val expression = PsiTreeUtil.getParentOfType(classNameLiteral, JSIndexedPropertyAccessExpression::class.java)
         if (expression?.qualifier?.reference?.resolve() != null) {
@@ -39,6 +40,7 @@ internal object QCssModulesUtil {
      * @param cssFileNameLiteralParent CSS 文件名的字面量表达式的父元素
      * @return 对应的 StylesheetFile 对象，如果不存在则返回 null
      */
+    @JvmStatic
     fun resolveStyleSheetFile(cssFileNameLiteralParent: PsiElement): StylesheetFile? {
         val stylesheetFileRef = Ref<StylesheetFile>()
         cssFileNameLiteralParent.accept(object : PsiRecursiveElementVisitor() {
@@ -97,6 +99,7 @@ internal object QCssModulesUtil {
      * @param rs 用于存储解析后的 StylesheetFile 的引用
      * @return 对应的 CssSelector 对象，如果不存在则返回 null
      */
+    @JvmStatic
     fun getCssClass(element: PsiElement, cssClass: String, rs: Ref<StylesheetFile>): PsiElement? {
         val styleSheetFile = resolveStyleSheetFile(element)
         if (styleSheetFile == null) {
@@ -125,6 +128,7 @@ internal object QCssModulesUtil {
      * @param sr 用于存储解析后的 StylesheetFile 的引用
      * @return 如果解析成功则返回 true，否则返回 false
      */
+    @JvmStatic
     fun resolveStyleSheetFile(element: PsiElement, sr: Ref<StylesheetFile>): Boolean {
         element.references.find { it.resolve() is StylesheetFile }?.resolve()?.let {
             sr.set(it as StylesheetFile)
diff --git a/src/main/resources/META-INF/plugin.xml b/src/main/resources/META-INF/plugin.xml
index ebd276e..daf6df6 100644
--- a/src/main/resources/META-INF/plugin.xml
+++ b/src/main/resources/META-INF/plugin.xml
@@ -16,13 +16,6 @@
              <li>quick fix css selector not exist</li>
          </ul>
      </h3>
-     <h4>
-        <p>will support</p>
-        <ul>
-            <li>quick documentation when mouse hover</li>
-        </ul>
-     </h4>
-
     ]]></description>
 
     <change-notes><![CDATA[