diff --git a/mylibrary/src/main/java/com/android/nebulasdk/ADManager.java b/mylibrary/src/main/java/com/android/nebulasdk/ADManager.java
index 81a46da..7d31abc 100644
--- a/mylibrary/src/main/java/com/android/nebulasdk/ADManager.java
+++ b/mylibrary/src/main/java/com/android/nebulasdk/ADManager.java
@@ -496,7 +496,9 @@ public class ADManager implements DownLoadManeger.DownloadListener {
             }
         }
     }
-
+    public void hasDownloadButLostFile(AdsInfoBean adsInfoBean,String url, int taskType,long fileSize){
+        addDownloadTask(adsInfoBean,url,taskType,fileSize);
+    }
     public boolean checkTaskQueueClear(){
         return DownLoadManeger.getInstance().checkTaskQueueClear();
     }
diff --git a/mylibrary/src/main/java/com/android/nebulasdk/AppManager.java b/mylibrary/src/main/java/com/android/nebulasdk/AppManager.java
index c47f62c..d9de5df 100644
--- a/mylibrary/src/main/java/com/android/nebulasdk/AppManager.java
+++ b/mylibrary/src/main/java/com/android/nebulasdk/AppManager.java
@@ -7,6 +7,7 @@ import android.content.pm.PackageManager;
 import android.content.pm.ResolveInfo;
 import android.text.TextUtils;
 
+import com.android.SharePreUtils;
 import com.android.database.DaoManager;
 import com.android.database.lib.AdsInfoBean;
 import com.android.database.lib.AppBean;
@@ -593,6 +594,11 @@ public class AppManager {
                             favNaviBean = new FavNaviBean(index, adsInfoBean.getLocalFilePath(), adsInfoBean.getInfo(), null);
                         }else {//考虑下载好图片重启后变回 -tmp文件的情况
                             File tempFile=new File(adsInfoBean.getLocalFilePath()+"-tmp");
+                            //对已上报的图片文件 系统丢失文件情况 重新下载
+                            if(!tempFile.exists()&& SharePreUtils.filterByKeyValue(String.valueOf(adsInfoBean.getAdResourceId()),String.valueOf(0))){
+                                LogUtils.loge("sys lost file which has upload,redownload it but not notify");
+                                ADManager.getInstance().hasDownloadButLostFile(adsInfoBean,adsInfoBean.getAdUri(),0,adsInfoBean.getAdSize());
+                            }
                             if(tempFile.exists()&&tempFile.length()==adsInfoBean.getAdSize()){
                                 tempFile.renameTo(file);
                                 tempFile.delete();