diff --git a/python/llm/dev/benchmark/all-in-one/README.md b/python/llm/dev/benchmark/all-in-one/README.md
index 32d2f49b..16b2ef0d 100644
--- a/python/llm/dev/benchmark/all-in-one/README.md
+++ b/python/llm/dev/benchmark/all-in-one/README.md
@@ -35,4 +35,8 @@ For SPR performance, run `bash run-spr.sh`.
 >
 > The value of `OMP_NUM_THREADS` should be the same as the cpu cores specified by `numactl -C`.
 
+> **Note**
+>
+> Please install torch nightly version to avoid `Illegal instruction (core dumped)` issue, you can follow the following command to install: `pip install --pre --upgrade torch --index-url https://download.pytorch.org/whl/nightly/cpu`
+
 For ARC performance, run `bash run-arc.sh`.