diff --git a/ACKNOWLEDGMENTS b/ACKNOWLEDGMENTS
index 14cf2e57..daa2dc14 100644
--- a/ACKNOWLEDGMENTS
+++ b/ACKNOWLEDGMENTS
@@ -1,5 +1,7 @@
 MegEngine is licensed under the Apache License Version 2.0, except for the third-party components listed below.
 
+this is a test
+
 *********************************************************************************************************************************
 Software Licensed under the MIT License:
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