diff --git a/app/src/main/java/com/hippo/ehviewer/EhApplication.kt b/app/src/main/java/com/hippo/ehviewer/EhApplication.kt
index 4f67d407c..c3b6b4c1d 100644
--- a/app/src/main/java/com/hippo/ehviewer/EhApplication.kt
+++ b/app/src/main/java/com/hippo/ehviewer/EhApplication.kt
@@ -95,7 +95,7 @@ class EhApplication : Application(), DefaultLifecycleObserver, ImageLoaderFactor
                 ehDatabase
             }
             launchIO {
-                DownloadManager
+                DownloadManager.isIdle
             }
             launchIO {
                 cleanupDownload()
diff --git a/app/src/main/java/com/hippo/ehviewer/download/DownloadManager.kt b/app/src/main/java/com/hippo/ehviewer/download/DownloadManager.kt
index d2d0639df..7b7f6d7e8 100644
--- a/app/src/main/java/com/hippo/ehviewer/download/DownloadManager.kt
+++ b/app/src/main/java/com/hippo/ehviewer/download/DownloadManager.kt
@@ -39,8 +39,6 @@ import kotlinx.coroutines.launch
 import java.util.LinkedList
 
 object DownloadManager : OnSpiderListener {
-    private val downloadManager = this
-
     // All download info list
     private val mAllInfoList: LinkedList<DownloadInfo>
 
@@ -1080,7 +1078,7 @@ object DownloadManager : OnSpiderListener {
                     mCurrentSpider = null
                     // Release spider
                     if (spider != null) {
-                        spider.removeOnSpiderListener(downloadManager)
+                        spider.removeOnSpiderListener(DownloadManager)
                         SpiderQueen.releaseSpiderQueen(spider, SpiderQueen.MODE_DOWNLOAD)
                     }
                     // Check null