diff --git a/deploy/scripts/sgx/run_trainer_ps_sgx.sh b/deploy/scripts/sgx/run_trainer_ps_sgx.sh
index 84450ad10..de156bf6b 100755
--- a/deploy/scripts/sgx/run_trainer_ps_sgx.sh
+++ b/deploy/scripts/sgx/run_trainer_ps_sgx.sh
@@ -18,6 +18,7 @@ set -ex
 source ~/.env
 export CUDA_VISIBLE_DEVICES=
 cp /app/sgx/gramine/CI-Examples/tensorflow_io.py ./
+unset HTTPS_PROXY https_proxy http_proxy ftp_proxy
 source /app/deploy/scripts/hdfs_common.sh || true
 source /app/deploy/scripts/pre_start_hook.sh || true
 source /app/deploy/scripts/env_to_args.sh
@@ -48,4 +49,4 @@ if [[ -z "${END_CPU_SN}" ]]; then
     END_CPU_SN=3
 fi
 
-taskset -c $START_CPU_SN-$END_CPU_SN stdbuf -o0 gramine-sgx python -m fedlearner.trainer.parameter_server $POD_IP:${LISTEN_PORT}
\ No newline at end of file
+taskset -c $START_CPU_SN-$END_CPU_SN stdbuf -o0 gramine-sgx python -m fedlearner.trainer.parameter_server $POD_IP:${LISTEN_PORT}