diff --git a/tests/special_npu/nightly_ci_ascend/run_gspo_qwen3_8b_fsdp2_npu.sh b/tests/special_npu/nightly_ci_ascend/run_gspo_qwen3_8b_fsdp2_npu.sh
index 724f84005f7..fba413b4326 100644
--- a/tests/special_npu/nightly_ci_ascend/run_gspo_qwen3_8b_fsdp2_npu.sh
+++ b/tests/special_npu/nightly_ci_ascend/run_gspo_qwen3_8b_fsdp2_npu.sh
@@ -22,7 +22,7 @@ mkdir -p "$LOG_DIR"
 rm -rf "$LOG_DIR/$SCRIPT_NAME.log"
 
 # ---- user-adjustable (CI defaults keep runtime short) ----
-NGPUS_PER_NODE=${NGPUS_PER_NODE:-16}
+NGPUS_PER_NODE=${NGPUS_PER_NODE:-8}
 TRAIN_BATCH_SIZE=${TRAIN_BATCH_SIZE:-32}
 PPO_MINI_BATCH_SIZE=${PPO_MINI_BATCH_SIZE:-16}
 MAX_PROMPT_LENGTH=${MAX_PROMPT_LENGTH:-2048}
@@ -158,4 +158,4 @@ PYTHONUNBUFFERED=1 python3 -m verl.trainer.main_ppo \
     "${REF[@]}" \
     "${ROLLOUT[@]}" \
     "${TRAINER[@]}" \
-    "$@" 2>&1 | tee "$LOG_DIR/$SCRIPT_NAME.log"
\ No newline at end of file
+    "$@" 2>&1 | tee "$LOG_DIR/$SCRIPT_NAME.log"