diff --git a/src/main/kotlin/ai/devchat/plugin/DevChatToolWindowFactory.kt b/src/main/kotlin/ai/devchat/plugin/DevChatToolWindowFactory.kt
index d904241..3011e9f 100644
--- a/src/main/kotlin/ai/devchat/plugin/DevChatToolWindowFactory.kt
+++ b/src/main/kotlin/ai/devchat/plugin/DevChatToolWindowFactory.kt
@@ -5,8 +5,10 @@ import ai.devchat.core.DevChatClient
 import ai.devchat.core.DevChatWrapper
 import ai.devchat.installer.DevChatSetupThread
 import ai.devchat.storage.ActiveConversation
+import ai.devchat.storage.RecentFilesTracker
 import com.intellij.openapi.Disposable
 import com.intellij.openapi.components.Service
+import com.intellij.openapi.components.service
 import com.intellij.openapi.project.DumbAware
 import com.intellij.openapi.project.Project
 import com.intellij.openapi.util.Disposer
@@ -35,6 +37,7 @@ class DevChatService(project: Project) {
 
 class DevChatToolWindowFactory : ToolWindowFactory, DumbAware, Disposable {
     override fun createToolWindowContent(project: Project, toolWindow: ToolWindow) {
+        project.service<RecentFilesTracker>()
         val devChatService = project.getService(DevChatService::class.java)
         val browser = Browser(project)
         devChatService.browser = browser
diff --git a/src/main/kotlin/ai/devchat/storage/RecentFilesTracker.kt b/src/main/kotlin/ai/devchat/storage/RecentFilesTracker.kt
index 5417c61..12010aa 100644
--- a/src/main/kotlin/ai/devchat/storage/RecentFilesTracker.kt
+++ b/src/main/kotlin/ai/devchat/storage/RecentFilesTracker.kt
@@ -3,12 +3,10 @@ package ai.devchat.storage
 import ai.devchat.common.Log
 import com.intellij.openapi.application.runInEdt
 import com.intellij.openapi.components.Service
-import com.intellij.openapi.components.service
 import com.intellij.openapi.fileEditor.FileEditorManager
 import com.intellij.openapi.fileEditor.FileEditorManagerListener
 import com.intellij.openapi.project.Project
 import com.intellij.openapi.roots.ProjectFileIndex
-import com.intellij.openapi.startup.ProjectActivity
 import com.intellij.openapi.vfs.VirtualFile
 import com.intellij.util.messages.MessageBusConnection
 
@@ -49,9 +47,3 @@ class RecentFilesTracker(private val project: Project) {
         return recentFiles.toList()
     }
 }
-
-class RecentFilesStartupActivity : ProjectActivity {
-    override suspend fun execute(project: Project) {
-        project.service<RecentFilesTracker>()
-    }
-}
diff --git a/src/main/resources/META-INF/plugin.xml b/src/main/resources/META-INF/plugin.xml
index 2954512..7bcf066 100644
--- a/src/main/resources/META-INF/plugin.xml
+++ b/src/main/resources/META-INF/plugin.xml
@@ -36,7 +36,6 @@
 <!--        <listener class="ai.devchat.plugin.IDELifecycleListener" topic="com.intellij.ide.AppLifecycleListener" />-->
 <!--    </applicationListeners>-->
     <extensions defaultExtensionNs="com.intellij">
-        <postStartupActivity implementation="ai.devchat.storage.RecentFilesStartupActivity"/>
         <toolWindow id="${ASSISTANT_NAME_ZH}" secondary="false" icon="/icons/toolWindowIcon.svg" anchor="right"
                     factoryClass="ai.devchat.plugin.DevChatToolWindowFactory"/>
         <applicationService serviceImplementation="ai.devchat.storage.DevChatSettingsState"/>