diff --git a/services/core/src/deviceprofilemanager/device_profile_manager.cpp b/services/core/src/deviceprofilemanager/device_profile_manager.cpp
index d3bbc687dba90c405a525856fb0bb78d87d4b381..fd28056a454aeb2a61bbfc4006836b1961245c60 100644
--- a/services/core/src/deviceprofilemanager/device_profile_manager.cpp
+++ b/services/core/src/deviceprofilemanager/device_profile_manager.cpp
@@ -82,6 +82,7 @@ int32_t DeviceProfileManager::UnInit()
         std::lock_guard<std::mutex> lock(putTempCacheMutex_);
         putTempCache_.clear();
     }
+    isFirst_.store(true);
     UnloadDpSyncAdapter();
     return DP_SUCCESS;
 }