diff --git a/services/firmware/upgrade/install/include/firmware_sys_installer_install.h b/services/firmware/upgrade/install/include/firmware_sys_installer_install.h
index 62dd32521c0ba525e0a2a3097977ab9cf99a1c5a..cc5afad3a9506a713d3bb8948d217775b3bd576c 100644
--- a/services/firmware/upgrade/install/include/firmware_sys_installer_install.h
+++ b/services/firmware/upgrade/install/include/firmware_sys_installer_install.h
@@ -38,6 +38,9 @@ private:
     void InitInstallProgress();
     int32_t WaitInstallResult();
 
+    int32_t InitSysInstaller();
+    int32_t SetSysInstallerCallback(const FirmwareComponent &firmwareComponent);
+    int32_t DoNormalSysInstaller(const FirmwareComponent &firmwareComponent);
 private:
     Progress sysInstallProgress_;
 };
diff --git a/services/firmware/upgrade/install/src/firmware_sys_installer_install.cpp b/services/firmware/upgrade/install/src/firmware_sys_installer_install.cpp
index 19a480ff2622dcb092874738f159235c4597cc9c..a03afb1c1c6602570ba937dea6504e5a90b77022 100644
--- a/services/firmware/upgrade/install/src/firmware_sys_installer_install.cpp
+++ b/services/firmware/upgrade/install/src/firmware_sys_installer_install.cpp
@@ -62,6 +62,53 @@ int32_t SysInstallerInstall::DoSysInstall(const FirmwareComponent &firmwareCompo
     FIRMWARE_LOGI("DoSysInstall, status=%{public}d", firmwareComponent.status);
     FirmwareComponent sysComponent = firmwareComponent;
     InitInstallProgress();
+
+    int32_t updateStatus = SysInstaller::SysInstallerKitsImpl::GetInstance().GetUpdateStatus();
+    int32_t ret = OHOS_SUCCESS;
+    switch (updateStatus) {
+        case CAST_INT(SysInstaller::UpdateStatus::UPDATE_STATE_INIT):
+            ret = DoNormalSysInstaller(sysComponent);
+            break;
+        case CAST_INT(SysInstaller::UpdateStatus::UPDATE_STATE_SUCCESSFUL):
+            errMsg_.errorMessage = "sys installer success";
+            errMsg_.errorCode = OHOS_SUCCESS;
+            return OHOS_SUCCESS;
+        case CAST_INT(SysInstaller::UpdateStatus::UPDATE_STATE_FAILED):
+            errMsg_.errorMessage = "sys installer failed";
+            errMsg_.errorCode = OHOS_FAILURE;
+            return OHOS_FAILURE;
+        case CAST_INT(SysInstaller::UpdateStatus::UPDATE_STATE_ONGOING):
+            ret = SetSysInstallerCallback(sysComponent);
+            break;
+        case -1:
+            errMsg_.errorMessage = "sys installer service is off";
+            errMsg_.errorCode = OHOS_FAILURE;
+            ret = OHOS_FAILURE;
+            break;
+        default:
+            errMsg_.errorMessage = "sys installer Status is error";
+            errMsg_.errorCode = OHOS_FAILURE;
+            return OHOS_FAILURE;
+    }
+
+    if (ret != OHOS_SUCCESS) {
+        return ret;
+    }
+    return WaitInstallResult();
+}
+
+int32_t SysInstallerInstall::DoNormalSysInstaller(const FirmwareComponent &firmwareComponent)
+{
+    FirmwareComponent sysComponent = firmwareComponent;
+    if (InitSysInstaller() != OHOS_SUCCESS || SetSysInstallerCallback(sysComponent) != OHOS_SUCCESS ||
+        StartUpdatePackageZip(sysComponent.spath) != OHOS_SUCCESS) {
+        return OHOS_FAILURE;
+    }
+    return OHOS_SUCCESS;
+}
+
+int32_t SysInstallerInstall::InitSysInstaller()
+{
     int32_t ret = SysInstaller::SysInstallerKitsImpl::GetInstance().SysInstallerInit();
     if (ret != OHOS_SUCCESS) {
         FIRMWARE_LOGE("sys installer init failed");
@@ -69,15 +116,12 @@ int32_t SysInstallerInstall::DoSysInstall(const FirmwareComponent &firmwareCompo
         errMsg_.errorCode = DUPDATE_ERR_IPC_ERROR;
         return OHOS_FAILURE;
     }
+    return OHOS_SUCCESS;
+}
 
-    int32_t updateStatus = SysInstaller::SysInstallerKitsImpl::GetInstance().GetUpdateStatus();
-    if (updateStatus != CAST_INT(SysInstaller::UpdateStatus::UPDATE_STATE_INIT)) {
-        FIRMWARE_LOGE("StartUnpack status: %{public}d , system busy", updateStatus);
-        errMsg_.errorMessage = "sys installer is busy";
-        errMsg_.errorCode = ret;
-        return OHOS_FAILURE;
-    }
-
+int32_t SysInstallerInstall::SetSysInstallerCallback(const FirmwareComponent &firmwareComponent)
+{
+    FirmwareComponent sysComponent = firmwareComponent;
     SysInstallerExecutorCallback callback { [&](const InstallProgress &installProgress) {
         sysInstallProgress_ = installProgress.progress;
         errMsg_ = installProgress.errMsg;
@@ -91,6 +135,7 @@ int32_t SysInstallerInstall::DoSysInstall(const FirmwareComponent &firmwareCompo
         }
         onInstallCallback_.onFirmwareProgress(sysComponent);
     } };
+
     sptr<SysInstaller::ISysInstallerCallbackFunc> cb = new SysInstallerCallback(callback);
     if (cb == nullptr) {
         FIRMWARE_LOGE("sys installer callback is nullptr");
@@ -99,18 +144,14 @@ int32_t SysInstallerInstall::DoSysInstall(const FirmwareComponent &firmwareCompo
         return OHOS_FAILURE;
     }
 
-    ret = SysInstaller::SysInstallerKitsImpl::GetInstance().SetUpdateCallback(cb);
+    int32_t ret = SysInstaller::SysInstallerKitsImpl::GetInstance().SetUpdateCallback(cb);
     if (ret != OHOS_SUCCESS) {
         FIRMWARE_LOGE("set sys installer callback failed");
         errMsg_.errorMessage = "set sys installer callback failed";
         errMsg_.errorCode = ret;
         return OHOS_FAILURE;
     }
-
-    if (StartUpdatePackageZip(sysComponent.spath) != OHOS_SUCCESS) {
-        return OHOS_FAILURE;
-    }
-    return WaitInstallResult();
+    return OHOS_SUCCESS;
 }
 
 int32_t SysInstallerInstall::StartUpdatePackageZip(std::string &path)