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 65954ee77d48360ece157a668e1b5eb09161d4a4..07e45338cbb8260b6413cd43a5e6e13179fe0c9e 100644
--- a/services/firmware/upgrade/install/include/firmware_sys_installer_install.h
+++ b/services/firmware/upgrade/install/include/firmware_sys_installer_install.h
@@ -39,6 +39,11 @@ private:
     void InitInstallProgress();
     int32_t WaitInstallResult();
 
+    int32_t InitSysInstaller();
+    int32_t SetSysInstallerCallback(const FirmwareComponent &firmwareComponent);
+    int32_t DoNormalSysInstaller(const FirmwareComponent &firmwareComponent);
+    int32_t StartUpdatePackageZip(const std::string &path);
+
 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 826e131332c323b08b0de742a39d7f25e4cad57e..8ef2f30bc18a5ebe0b75932e7f9284d32c8e698c 100644
--- a/services/firmware/upgrade/install/src/firmware_sys_installer_install.cpp
+++ b/services/firmware/upgrade/install/src/firmware_sys_installer_install.cpp
@@ -58,6 +58,51 @@ 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();
+    FIRMWARE_LOGI("DoSysInstall, getUpdateStatus=%{public}d", updateStatus);
+    int32_t ret = OHOS_SUCCESS;
+    switch (updateStatus) {
+        case -1:  // -1 未初始化(或失败)  0 初始化 ,  走正常流程
+        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;
+        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;
+    }
+    FIRMWARE_LOGI("DoSysInstall, DoNormalSysInstaller success");
+    return OHOS_SUCCESS;
+}
+
+int32_t SysInstallerInstall::InitSysInstaller()
+{
     int32_t ret = SysInstaller::SysInstallerKitsImpl::GetInstance().SysInstallerInit();
     if (ret != OHOS_SUCCESS) {
         FIRMWARE_LOGE("sys installer init failed");
@@ -65,15 +110,13 @@ int32_t SysInstallerInstall::DoSysInstall(const FirmwareComponent &firmwareCompo
         errMsg_.errorCode = DUPDATE_ERR_IPC_ERROR;
         return OHOS_FAILURE;
     }
+    FIRMWARE_LOGI("DoSysInstall InitSysInstaller success");
+    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;
@@ -81,8 +124,13 @@ int32_t SysInstallerInstall::DoSysInstall(const FirmwareComponent &firmwareCompo
         sysComponent.progress = installProgress.progress.percent;
         FIRMWARE_LOGI("SysInstallerExecutorCallback status=%{public}d , progress=%{public}d",
             sysComponent.status, sysComponent.progress);
+        if (onInstallCallback_.onFirmwareProgress == nullptr) {
+            FIRMWARE_LOGE("SysInstallerExecutorCallback onFirmwareProgress is null");
+            return;
+        }
         onInstallCallback_.onFirmwareProgress(sysComponent);
     } };
+
     sptr<SysInstaller::ISysInstallerCallbackFunc> cb = new SysInstallerCallback(callback);
     if (cb == nullptr) {
         FIRMWARE_LOGE("sys installer callback is nullptr");
@@ -91,22 +139,28 @@ 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;
     }
+    FIRMWARE_LOGI("DoSysInstall SetSysInstallerCallback success");
+    return OHOS_SUCCESS;
+}
 
-    ret = SysInstaller::SysInstallerKitsImpl::GetInstance().StartUpdatePackageZip(sysComponent.spath);
+int32_t SysInstallerInstall::StartUpdatePackageZip(const std::string &path)
+{
+    auto ret = SysInstaller::SysInstallerKitsImpl::GetInstance().StartUpdatePackageZip(path);
     if (ret != OHOS_SUCCESS) {
         errMsg_.errorMessage = "sys installer StartUpdatePackageZip failed";
         errMsg_.errorCode = ret;
         FIRMWARE_LOGE("sys installer StartUpdatePackageZip failed ret = %{public}d", ret);
         return OHOS_FAILURE;
     }
-    return WaitInstallResult();
+    FIRMWARE_LOGI("DoSysInstall StartUpdatePackageZip success");
+    return ret;
 }
 
 void SysInstallerInstall::InitInstallProgress()