diff --git a/speechx/examples/u2pp_ol/wenetspeech/RESULTS.md b/speechx/examples/u2pp_ol/wenetspeech/RESULTS.md
index e36028c72..8d4c2b567 100644
--- a/speechx/examples/u2pp_ol/wenetspeech/RESULTS.md
+++ b/speechx/examples/u2pp_ol/wenetspeech/RESULTS.md
@@ -15,7 +15,7 @@ Other -> 100.00 % N=3 C=0 S=3 D=0 I=0
 
 > RTF with feature and decoder which is more end to end.
 
-* Intel(R) Xeon(R) Gold 6148 CPU @ 2.40GHz, FP32 model
+* Intel(R) Xeon(R) Gold 6148 CPU @ 2.40GHz, not support `avx512_vnni`, FP32 model
 
 ```
 I1026 16:13:26.247121 48038 u2_recognizer_main.cc:123] total wav duration is: 36108.9 sec