diff --git a/interfaces/inner_kits/native_cpp/src/device_manager_impl.cpp b/interfaces/inner_kits/native_cpp/src/device_manager_impl.cpp
index 811a6d7f49c9bacdfd17d18f177127b3dcd7b8a6..2b971b41244a561154ef9e0c709bddfb172f6b23 100644
--- a/interfaces/inner_kits/native_cpp/src/device_manager_impl.cpp
+++ b/interfaces/inner_kits/native_cpp/src/device_manager_impl.cpp
@@ -172,6 +172,7 @@ int32_t DeviceManagerImpl::GetTrustedDeviceList(const std::string &pkgName, cons
     }
 
     deviceList = rsp->GetDeviceVec();
+    LOGI("GetTrustedDeviceList completed, pkgName: %d", static_cast<int32_t>(deviceList.size()));
     LOGI("GetTrustedDeviceList completed, pkgName: %s", pkgName.c_str());
     return DM_OK;
 }