diff --git a/app/src/main/java/com/gh/common/util/DownloadObserver.kt b/app/src/main/java/com/gh/common/util/DownloadObserver.kt
index a5d07c6112..300a50a294 100644
--- a/app/src/main/java/com/gh/common/util/DownloadObserver.kt
+++ b/app/src/main/java/com/gh/common/util/DownloadObserver.kt
@@ -53,6 +53,7 @@ object DownloadObserver {
     private const val CORE_EVENT_DOWNLOAD_COMPLETE_LOGGED = "CORE_EVENT_DOWNLOAD_COMPLETE_LOGGED"
 
     private val mRetryableHashMap = hashMapOf<String, Boolean>()
+    private val mRetryableProgressMap = hashMapOf<String, Long>()
 
     /**
      * 当下载任务是 预约上线提醒 触发的，则所有弹窗均不显示
@@ -146,7 +147,8 @@ object DownloadObserver {
                     || DownloadStatus.timeout == status
                 ) {
                     if (mRetryableHashMap[downloadEntity.url] == true
-                        && NetworkUtils.isWifiConnected(HaloApp.getInstance().application)
+                        && (NetworkUtils.isWifiConnected(HaloApp.getInstance().application)
+                                || NDownloadBridge.isDownloadViaTrafficAllowed(downloadEntity))
                     ) {
                         downloadManager.resumeDownload(downloadEntity.url)
                         mRetryableHashMap[downloadEntity.url] = false
@@ -257,6 +259,7 @@ object DownloadObserver {
                     }
 
                     mRetryableHashMap.remove(downloadEntity.url)
+                    mRetryableProgressMap.remove(downloadEntity.url)
 
                     EventBus.getDefault().post(EBDownloadStatus("done", "", "", "", downloadEntity.packageName, ""))
                 }
@@ -264,7 +267,9 @@ object DownloadObserver {
                 DownloadNotificationHelper.addOrUpdateDownloadNotification(downloadEntity)
 
                 // 如果已下载大小发生变化,表示成功恢复下载,则重置重试标记
-                if (status == DownloadStatus.downloading) {
+                if (status == DownloadStatus.downloading
+                    && downloadEntity.progress != mRetryableProgressMap[downloadEntity.url]) {
+                    mRetryableProgressMap[downloadEntity.url] = downloadEntity.progress
                     mRetryableHashMap[downloadEntity.url] = true
                 }
             }
diff --git a/app/src/main/java/com/gh/ndownload/NDownloadBridge.kt b/app/src/main/java/com/gh/ndownload/NDownloadBridge.kt
index 484051796d..801db55f85 100644
--- a/app/src/main/java/com/gh/ndownload/NDownloadBridge.kt
+++ b/app/src/main/java/com/gh/ndownload/NDownloadBridge.kt
@@ -416,7 +416,7 @@ object NDownloadBridge : InnerDownloadListener, IErrorRetryHandler {
         }, GlobalDownloadConfig.ERROR_RETRY_INTERVAL)
     }
 
-    private fun isDownloadViaTrafficAllowed(downloadEntity: DownloadEntity?): Boolean {
+    fun isDownloadViaTrafficAllowed(downloadEntity: DownloadEntity?): Boolean {
         val mNetworkMobileStatus = "2G3G4G5G"
         val networkStatus: String? = downloadEntity?.meta?.get(DownloadEntity.NETWORK_STATUS_KEY)
         Utils.log("download network status$networkStatus")
diff --git a/ndownload b/ndownload
index 91a183a48b..02ad0aa911 160000
--- a/ndownload
+++ b/ndownload
@@ -1 +1 @@
-Subproject commit 91a183a48b9fc34fc9dc7b05e1a3046366417d74
+Subproject commit 02ad0aa911b20303b2d27a67b25461e223e37c79