diff --git a/services/common/window_manager/src/privacy_mock_session_manager_proxy.cpp b/services/common/window_manager/src/privacy_mock_session_manager_proxy.cpp
index 2f4586b9ec6b693e6e8fed7e0f80f8109eb8e885..b2787ab6bfbff02f3e9f6b514fd7d45be8c6cbfb 100644
--- a/services/common/window_manager/src/privacy_mock_session_manager_proxy.cpp
+++ b/services/common/window_manager/src/privacy_mock_session_manager_proxy.cpp
@@ -36,6 +36,9 @@ sptr<IRemoteObject> PrivacyMockSessionManagerProxy::GetSessionManagerService()
         LOGE(PRI_DOMAIN, PRI_TAG, "SendRequest failed");
         return nullptr;
     }
+    if (reply.ReadInt32() != ERR_NONE) {
+        LOGE(PRI_DOMAIN, PRI_TAG, "Read result failed");
+    }
     sptr<IRemoteObject> remoteObject = reply.ReadRemoteObject();
     return remoteObject;
 }