diff --git a/backup-daemon/mybackupmanager.cpp b/backup-daemon/mybackupmanager.cpp
index 20d9535..e044d6c 100755
--- a/backup-daemon/mybackupmanager.cpp
+++ b/backup-daemon/mybackupmanager.cpp
@@ -407,6 +407,8 @@ int MyBackupManager::cancel()
 {
     if (workerThread.isRunning())
         emit workerThread.cancelWork();
+    else
+        return 1;
 
     return 0;
 }
diff --git a/backup-daemon/udisksystemrestoreproxy.cpp b/backup-daemon/udisksystemrestoreproxy.cpp
index 84da687..b5aba0c 100755
--- a/backup-daemon/udisksystemrestoreproxy.cpp
+++ b/backup-daemon/udisksystemrestoreproxy.cpp
@@ -136,6 +136,7 @@ void UDiskSystemRestoreProxy::repairEfi()
         QString newPath = m_backupPath + "/boot";
         args << newPath;
         QProcess::execute("mv", args);
+        QProcess::execute("sync");
     }
 }
 
diff --git a/kybackup/module/systembackup.cpp b/kybackup/module/systembackup.cpp
index 26be318..bda7321 100755
--- a/kybackup/module/systembackup.cpp
+++ b/kybackup/module/systembackup.cpp
@@ -124,7 +124,11 @@ void SystemBackup::initFirstWidget()
     beginBackup->setAutoRepeat(true);
     font.setPixelSize(24);
     beginBackup->setFont(font);
-    connect(beginBackup, &MyPushButton::clicked, this, &SystemBackup::on_next_clicked);
+    connect(beginBackup, &MyPushButton::clicked, this, [=](bool clicked) {
+        this->m_prefixDestPath = "";
+        this->m_backupName = "";
+        this->on_next_clicked(clicked);
+    });
 
     // 底部控件布局
     QHBoxLayout *bottomHBoxLayout = new QHBoxLayout;
@@ -211,7 +215,6 @@ void SystemBackup::initSecondWidget()
         if (GlobelBackupInfo::inst().hasBackupPartition()) {
             QString qsLocalDefaultPath = Utils::getSysRootPath() + BACKUP_SNAPSHOTS_PATH;
             qsLocalDefaultPath.replace("//", "/");
-            this->m_prefixDestPath = "";
             this->m_udiskPaths << "";
             comboSelect->addItem(iconFolder, tr("local default path : ") + qsLocalDefaultPath);
         }
@@ -975,6 +978,18 @@ void SystemBackup::on_checkBackup_end(int result)
         // 检查是否有备份分区
         errTip = tr("Check whether there is a backup partition");
         break;
+    case int(BackupResult::UDISK_FILESYSTEM_TYPE_IS_VFAT):
+        // 移动设备的文件系统是vfat格式
+        errMsg = tr("The filesystem of device is vfat format");
+        // 请换成ext4、ntfs等格式
+        errTip = tr("Please change filesystem format to ext3、ext4 or ntfs");
+        break;
+    case int(BackupResult::UDISK_FILESYSTEM_IS_READONLY):
+        // 移动设备是只读的
+        errMsg = tr("The device is read only");
+        // 请修改为可读写权限的
+        errTip = tr("Please chmod to rw");
+        break;
     case int(BackupResult::BACKUP_CAPACITY_IS_NOT_ENOUGH):
         // 备份空间不足
         errMsg = tr("The storage for backup is not enough");
@@ -1000,7 +1015,10 @@ void SystemBackup::on_checkBackup_end(int result)
         errTip = tr("The system is being compressed to the local disk, please wait patiently...");
         emit this->backupWarnning(errTip);
         return;
-    case int(BackupResult::BACKUP_START_SUCCESS):
+    case int(BackupResult::MKSQUASHFS_DO_FAIL):
+        break;
+    case int(BackupResult::BACKUP_START_SUCCESS): // 非移动设备备份不需要此信号
+    case int(BackupResult::MKSQUASHFS_DO_SUCCESS):
         // 正在传输image文件到移动设备，即将完成...
         errTip = tr("Transferring image file to mobile device, about to be completed...");
         emit this->backupWarnning(errTip);
@@ -1020,6 +1038,12 @@ void SystemBackup::on_checkBackup_end(int result)
         GlobelBackupInfo::inst().setIsBusy(false);
         m_systemBackupState = SystemBackupState::IDEL;
         this->on_next_clicked(true);
+        if (errMsg.isEmpty()) {
+            // 备份过程中出现错误
+            errMsg = tr("An error occurred during backup");
+            // 错误信息参考日志文件：/var/log/backup.log
+            errTip = tr("Error messages refer to log file : /var/log/backup.log");
+        }
         emit this->checkBackupResult(bRst, errMsg, errTip);
         disconnect(m_pInterface, &ComKylinBackupManagerInterface::sendEnvCheckResult, this, &SystemBackup::on_checkEnv_end);
         disconnect(m_pInterface, &ComKylinBackupManagerInterface::progress, this, &SystemBackup::progress);