diff --git a/services/firmware/upgrade/flow/src/firmware_manager.cpp b/services/firmware/upgrade/flow/src/firmware_manager.cpp
index 374c65debe15dc4cb1f515faad16bbd6d6ebfc6c..81debf52ce278ed9e0b8dd4c8c6f07399ca3ed67 100644
--- a/services/firmware/upgrade/flow/src/firmware_manager.cpp
+++ b/services/firmware/upgrade/flow/src/firmware_manager.cpp
@@ -236,6 +236,7 @@ void FirmwareManager::DoInstall(const UpgradeOptions &upgradeOptions, BusinessEr
     std::shared_ptr<FirmwareIExecuteMode> executeMode =
         std::make_shared<FirmwareInstallApplyMode>(upgradeOptions, businessError, installType, [=]() {
             FIRMWARE_LOGI("FirmwareManager DoInstall finish");
+            delete flowManager;
         });
     flowManager->SetExecuteMode(executeMode);
     flowManager->Start();