diff --git a/benchmark/cluster/v2/trainer.yaml b/benchmark/cluster/v2/trainer.yaml
index 33c95df365..75fffc64b0 100644
--- a/benchmark/cluster/v2/trainer.yaml
+++ b/benchmark/cluster/v2/trainer.yaml
@@ -28,7 +28,7 @@ spec:
         - name: TOPOLOGY
           value: ""
         - name: ENTRY
-          value: "cd /workspace && python /workspace/vgg16.py"
+          value: "cd /workspace && MKL_NUM_THREADS=1 python /workspace/vgg16.py"
         - name: TRAINER_PACKAGE
           value: "/workspace"
         - name: PADDLE_INIT_PORT
diff --git a/benchmark/cluster/v2/vgg16.py b/benchmark/cluster/v2/vgg16.py
index 9189493276..59e3997d78 100644
--- a/benchmark/cluster/v2/vgg16.py
+++ b/benchmark/cluster/v2/vgg16.py
@@ -144,4 +144,3 @@ def main():
 
 if __name__ == '__main__':
     main()
-