diff --git a/backup-daemon/customizesystemrestoreproxy.cpp b/backup-daemon/customizesystemrestoreproxy.cpp
index e595ebf..1dfe3d1 100755
--- a/backup-daemon/customizesystemrestoreproxy.cpp
+++ b/backup-daemon/customizesystemrestoreproxy.cpp
@@ -296,7 +296,8 @@ void CustomizeSystemRestoreProxy::restoreSystem()
             fileIfSync.replace("//", "/");
             QFileInfo file(fileIfSync);
             QDateTime beginTime = file.fileTime(QFileDevice::FileModificationTime);
-            Utils::wait(10);
+            QProcess::execute("sync");
+            Utils::wait(20);
             Utils::updateSyncFile();
             while (1) {
                 Utils::wait(2);
diff --git a/backup-daemon/myprocess/rsyncpathtodirprocess.cpp b/backup-daemon/myprocess/rsyncpathtodirprocess.cpp
index d924b4f..9866df4 100755
--- a/backup-daemon/myprocess/rsyncpathtodirprocess.cpp
+++ b/backup-daemon/myprocess/rsyncpathtodirprocess.cpp
@@ -90,17 +90,21 @@ void RsyncPathToDirProcess::rsync_finished(int exitCode, QProcess::ExitStatus)
     qDebug() << "RsyncPathToDirProcess::rsync_finished invoke begin";
     if (exitCode == QProcess::NormalExit || exitCode == 24 || exitCode == 23) {
         if (m_block) {
+            qDebug() << "RsyncPathToDirProcess::rsync_finished block mode";
             m_bSuccess = true;
             emit progress(100);
             emit finished(true);
         } else {
+            qDebug() << "RsyncPathToDirProcess::rsync_finished unblock mode";
             m_syncProcess->start("sync");
             if (!m_syncProcess->waitForStarted()) {
+                qDebug() << "sync start failed";
                 m_bSuccess = false;
                 emit finished(false);
             }
         }
     } else {
+        qDebug() << "RsyncPathToDirProcess::rsync_finished failed";
         m_bSuccess = false;
         emit finished(false);
     }
@@ -112,10 +116,12 @@ void RsyncPathToDirProcess::sync_finished(int exitCode, QProcess::ExitStatus)
     qDebug() << "RsyncPathToDirProcess::sync_finished invoke begin";
 
     if (exitCode == QProcess::NormalExit || exitCode == 24 || exitCode == 23) {
+        qDebug() << "RsyncPathToDirProcess::sync_finished success";
         m_bSuccess = true;
         emit progress(100);
         emit finished(true);
     } else {
+        qDebug() << "RsyncPathToDirProcess::sync_finished failed";
         m_bSuccess = false;
         emit finished(false);
     }
diff --git a/backup-daemon/systemrestoreproxy.cpp b/backup-daemon/systemrestoreproxy.cpp
index 82e0a20..a16809e 100755
--- a/backup-daemon/systemrestoreproxy.cpp
+++ b/backup-daemon/systemrestoreproxy.cpp
@@ -363,7 +363,8 @@ void SystemRestoreProxy::restoreSystem()
 //                removeHome(Utils::getSysRootPath() + "/home");
 //                removeHome(Utils::getSysRootPath() + "/data/home");
 //            }
-            Utils::wait(10);
+            QProcess::execute("sync");
+            Utils::wait(20);
             Utils::updateSyncFile();
             while (1) {
                 Utils::wait(2);
diff --git a/backup-daemon/udisksystemrestoreproxy.cpp b/backup-daemon/udisksystemrestoreproxy.cpp
index ef86e64..f8d2bb7 100755
--- a/backup-daemon/udisksystemrestoreproxy.cpp
+++ b/backup-daemon/udisksystemrestoreproxy.cpp
@@ -411,7 +411,9 @@ void UDiskSystemRestoreProxy::restoreSystem()
             fileIfSync.replace("//", "/");
             QFileInfo file(fileIfSync);
             QDateTime beginTime = file.fileTime(QFileDevice::FileModificationTime);
-            Utils::wait(10);
+            // sync();
+            QProcess::execute("sync");
+            Utils::wait(20);
             Utils::updateSyncFile();
             while (1) {
                 Utils::wait(2);
@@ -422,9 +424,10 @@ void UDiskSystemRestoreProxy::restoreSystem()
             }
 
             if (m_backupWrapper.m_isOtherMachine) {
-                Utils::wait(20);
+                Utils::wait(10);
                 updateGrubUUid();
                 sync();
+                QProcess::execute("sync");
                 Utils::wait(5);
             }
         }