diff --git a/mylibrary/src/main/java/com/android/nebulasdk/AppManager.java b/mylibrary/src/main/java/com/android/nebulasdk/AppManager.java
index 1629295..f73b08e 100644
--- a/mylibrary/src/main/java/com/android/nebulasdk/AppManager.java
+++ b/mylibrary/src/main/java/com/android/nebulasdk/AppManager.java
@@ -757,13 +757,23 @@ public class AppManager {
                             tmpFile.renameTo(file);
                             //tmpFile.delete();
                             if(list!=null&&list.size()>0){
-                                boolean flag = PakageInstallUtil.silentInstall(mContext, file.getAbsolutePath());
-                                LogUtils.loge("no task and restart sys apk back to tmp install result="+flag);
+                                new Thread(new Runnable() {
+                                    @Override
+                                    public void run() {
+                                        boolean flag = PakageInstallUtil.silentInstall(mContext, file.getAbsolutePath());
+                                        LogUtils.loge("no task and restart sys apk back to tmp install result="+flag);
+                                    }
+                                }).start();
                             }
                         }else if(file.exists()&&file.length()==adsInfoBean.getAppSize()){
                             if(list!=null&&list.size()>0){
-                                boolean flag = PakageInstallUtil.silentInstall(mContext, file.getAbsolutePath());
-                                LogUtils.loge("no task and restart sys apk not install result="+flag);
+                                new Thread(new Runnable() {
+                                    @Override
+                                    public void run() {
+                                        boolean flag = PakageInstallUtil.silentInstall(mContext, file.getAbsolutePath());
+                                        LogUtils.loge("no task and restart sys apk not install result="+flag);
+                                    }
+                                }).start();
                             }
                         }
                     }