diff --git a/build.gradle.kts b/build.gradle.kts
index 6329036..a9fda76 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -1,3 +1,5 @@
+import org.jetbrains.intellij.platform.gradle.extensions.intellijPlatform
+
 plugins {
     id("org.jetbrains.kotlin.jvm")
     id("org.jetbrains.intellij.platform")
@@ -30,5 +32,6 @@ intellijPlatform {
     }
 }
 
-// 注意: 不强制 jvmToolchain，直接使用 Gradle JVM（IDE 自带的 JBR 17/21 均可）。
-// 需要的 JDK 版本: 17+（IntelliJ Platform 插件构建要求）
\ No newline at end of file
+kotlin {
+    jvmToolchain(17)
+}
\ No newline at end of file
diff --git a/settings.gradle.kts b/settings.gradle.kts
index 788cfdd..acb9509 100644
--- a/settings.gradle.kts
+++ b/settings.gradle.kts
@@ -1,16 +1,12 @@
 pluginManagement {
     plugins {
         id("org.jetbrains.kotlin.jvm") version "2.0.21"
+        id("org.jetbrains.intellij.platform") version "2.1.0"
+    }
+    repositories {
+        mavenCentral()
+        gradlePluginPortal()
     }
 }
 
-rootProject.name = "harmness-browser"
-
-dependencyResolutionManagement {
-    repositories {
-        mavenCentral()
-        intellijPlatform {
-            defaultRepositories()
-        }
-    }
-}
\ No newline at end of file
+rootProject.name = "harmness-browser"
\ No newline at end of file
diff --git a/src/main/kotlin/com/harmness/toolwindow/HarmnessBrowserPanel.kt b/src/main/kotlin/com/harmness/toolwindow/HarmnessBrowserPanel.kt
index df39607..1737f19 100644
--- a/src/main/kotlin/com/harmness/toolwindow/HarmnessBrowserPanel.kt
+++ b/src/main/kotlin/com/harmness/toolwindow/HarmnessBrowserPanel.kt
@@ -16,6 +16,7 @@ import org.cef.handler.CefLoadHandlerAdapter
 import java.awt.BorderLayout
 import java.awt.Desktop
 import java.awt.FlowLayout
+import java.awt.event.ActionEvent
 import javax.swing.AbstractAction
 import javax.swing.JButton
 import javax.swing.JComponent
@@ -56,22 +57,21 @@ class HarmnessBrowserPanel(
                 "JCEF (Java Chromium Embedded Framework) is not supported in this IDE instance.\n" +
                     "Please use an IDE build that bundles JCEF, or a compatible JDK.", 0),
                 BorderLayout.CENTER)
-            return
+        } else {
+            browser = JBCefBrowser()
+
+            // 布局：顶部工具栏 + 浏览器
+            add(createToolbar(), BorderLayout.NORTH)
+            add(browser.component, BorderLayout.CENTER)
+
+            // 设置弹窗处理
+            setupPopupHandling()
+            // 设置 JS 桥
+            setupBridge()
+
+            // 初始加载
+            loadCurrentUrl()
         }
-
-        browser = JBCefBrowser()
-
-        // 布局：顶部工具栏 + 浏览器
-        add(createToolbar(), BorderLayout.NORTH)
-        add(browser.component, BorderLayout.CENTER)
-
-        // 设置弹窗处理
-        setupPopupHandling()
-        // 设置 JS 桥
-        setupBridge()
-
-        // 初始加载
-        loadCurrentUrl()
     }
 
     // ------------------------------------------------------------------
@@ -81,15 +81,25 @@ class HarmnessBrowserPanel(
     private fun createToolbar(): JComponent {
         val cefBrowser = browser.cefBrowser
 
-        val back = JButton(AbstractAction("←") {
-            if (cefBrowser.canGoBack()) cefBrowser.goBack()
+        val back = JButton(object : AbstractAction("←") {
+            override fun actionPerformed(e: ActionEvent) {
+                if (cefBrowser.canGoBack()) cefBrowser.goBack()
+            }
         })
-        val forward = JButton(AbstractAction("→") {
-            if (cefBrowser.canGoForward()) cefBrowser.goForward()
+        val forward = JButton(object : AbstractAction("→") {
+            override fun actionPerformed(e: ActionEvent) {
+                if (cefBrowser.canGoForward()) cefBrowser.goForward()
+            }
+        })
+        val reload = JButton(object : AbstractAction("⟳") {
+            override fun actionPerformed(e: ActionEvent) { cefBrowser.reload() }
+        })
+        val settingsBtn = JButton(object : AbstractAction("⚙") {
+            override fun actionPerformed(e: ActionEvent) { openSettings() }
+        })
+        val externalBtn = JButton(object : AbstractAction("⧉") {
+            override fun actionPerformed(e: ActionEvent) { openInExternalBrowser() }
         })
-        val reload = JButton(AbstractAction("⟳") { cefBrowser.reload() })
-        val settingsBtn = JButton(AbstractAction("⚙") { openSettings() })
-        val externalBtn = JButton(AbstractAction("⧉") { openInExternalBrowser() })
 
         addressField = JTextField(settings.startUrl)
         addressField.toolTipText = "当前页面地址（可手动输入后回车跳转）"
diff --git a/src/main/kotlin/com/harmness/toolwindow/HarmnessSettingsConfigurable.kt b/src/main/kotlin/com/harmness/toolwindow/HarmnessSettingsConfigurable.kt
index 1c3d97d..b3fa402 100644
--- a/src/main/kotlin/com/harmness/toolwindow/HarmnessSettingsConfigurable.kt
+++ b/src/main/kotlin/com/harmness/toolwindow/HarmnessSettingsConfigurable.kt
@@ -1,14 +1,13 @@
 package com.harmness.toolwindow
 
 import com.intellij.openapi.options.Configurable
-import com.intellij.openapi.options.Configurable.WithEpName
 import javax.swing.JComponent
 
 /**
  * Settings configurable registered in plugin.xml.
  * Shows the HarmnessBrowserConfigurablePanel under Tools → Harmness Browser.
  */
-class HarmnessSettingsConfigurable : Configurable, WithEpName {
+class HarmnessSettingsConfigurable : Configurable {
 
     private var panel: HarmnessBrowserConfigurablePanel? = null
 
diff --git a/src/main/kotlin/com/harmness/toolwindow/HarmnessToolWindowFactory.kt b/src/main/kotlin/com/harmness/toolwindow/HarmnessToolWindowFactory.kt
index 0088bb6..33509d0 100644
--- a/src/main/kotlin/com/harmness/toolwindow/HarmnessToolWindowFactory.kt
+++ b/src/main/kotlin/com/harmness/toolwindow/HarmnessToolWindowFactory.kt
@@ -5,9 +5,7 @@ import com.intellij.openapi.project.DumbAware
 import com.intellij.openapi.project.Project
 import com.intellij.openapi.wm.ToolWindow
 import com.intellij.openapi.wm.ToolWindowFactory
-import com.intellij.openapi.wm.ToolWindowManager
 import com.intellij.ui.content.ContentFactory
-import javax.swing.JComponent
 
 /**
  * 本插件的工具窗口工厂。
@@ -15,53 +13,28 @@ import javax.swing.JComponent
  * 工具窗口是 IntelliJ 侧边栏的区域（如 Project、Terminal、Version Control），
  * 由 IntelliJ 自动管理生命周期。我们在此创建一个自定义工具窗口 "Harmness Browser"，
  * 其内容就是 [HarmnessBrowserPanel]。
- *
- * plugin.xml 中通过扩展点注册本类：
- * ```
- * <toolWindow id="Harmness Browser" ... factoryClass="com.harmness.toolwindow.HarmnessToolWindowFactory"/>
- * ```
  */
 class HarmnessToolWindowFactory : ToolWindowFactory, DumbAware {
 
     override fun createToolWindowContent(project: Project, toolWindow: ToolWindow) {
         LOG.info("Creating Harmness Browser tool window for project: ${project.name}")
 
-        // 检查 JCEF 支持
-        if (!isJcefSupported()) {
-            LOG.warn("JCEF is not supported in this IDE instance. The Harmness Browser tool window will show an error message.")
-        }
-
         val panel = HarmnessBrowserPanel(project, toolWindow.disposable)
 
         val content = ContentFactory.getInstance().createContent(panel, "Browser", false)
         toolWindow.contentManager.addContent(content)
 
-        // 注册工具窗口可见性监听器，用于通知 WindowFocusService
-        toolWindow.addContentManagerListener(object : com.intellij.ui.content.ContentManagerListener {
-            override fun selectionChanged(selectionChange: com.intellij.ui.content.ContentManagerEvent) {
-                val isActive = selectionChange.manager.selectedContent == selectionChange.content
+        // 当工具窗口被选中时刷新
+        val contentMgr = toolWindow.contentManager
+        contentMgr.addContentManagerListener(object : com.intellij.ui.content.ContentManagerListener {
+            override fun selectionChanged(event: com.intellij.ui.content.ContentManagerEvent) {
+                val isActive = event.content == contentMgr.selectedContent
                 WindowFocusService.getInstance().setActive(isActive)
                 if (isActive) {
-                    // 当工具窗口被选中时，触发面板刷新
                     panel.loadCurrentUrl()
                 }
             }
         })
-
-        // 注册工具窗口可见性监听器（窗口获得/失去焦点）
-        toolWindow.addVisibleListener { visible ->
-            WindowFocusService.getInstance().setActive(visible)
-        }
-    }
-
-    private fun isJcefSupported(): Boolean {
-        return try {
-            val clz = Class.forName("com.intellij.ui.jcef.JBCefApp")
-            val method = clz.getMethod("isSupported")
-            method.invoke(null) as Boolean
-        } catch (e: Exception) {
-            false
-        }
     }
 
     companion object {