diff --git a/mylibrary/src/main/java/com/android/nebulasdk/ADManager.java b/mylibrary/src/main/java/com/android/nebulasdk/ADManager.java
index d3ec92a..20d8f7f 100644
--- a/mylibrary/src/main/java/com/android/nebulasdk/ADManager.java
+++ b/mylibrary/src/main/java/com/android/nebulasdk/ADManager.java
@@ -429,7 +429,10 @@ public class ADManager implements DownLoadManeger.DownloadListener {
                 @Override
                 public void run() {
                     if (flag&&finalAdsInfoBean!=null&&PakageInstallUtil.checkAppInstall(mContext, finalAdsInfoBean.getInfo())) {
-                        FileUtil.deleteFile(appInstallPath); //安装成功后删除文件
+                        if(PakageInstallUtil.checkAppInstall(mContext, finalAdsInfoBean.getInfo(), (int) finalAdsInfoBean.getAppVersion())){
+                            //升级apk 不删apk文件 交给clearApkFileByPowerDown 去删除文件
+                            FileUtil.deleteFile(appInstallPath); //安装成功后删除文件
+                        }
                         LogUtils.loge("executeAppInstall==>" + flag + "||" + appInstallPath);
                     }
                     EventBusUtils.postMsg(new MessageEvent(MessageEvent.ACTION_UPADATE_DATA_SOURCE));