diff --git a/tools/run_all_gates.sh b/tools/run_all_gates.sh
index b2ad7363..6e867e36 100755
--- a/tools/run_all_gates.sh
+++ b/tools/run_all_gates.sh
@@ -364,7 +364,7 @@ gate_unit() {   # run_all 是 --script 模式，退出码为唯一判据；分
 		local k
 		for k in $(seq 1 "$_shards"); do
 			( cd "$REPO" && "$GODOT" --headless --path "$(gate_game_path "$GAME")" --script res://tests/run_all.gd \
-				-- "${_user_args[@]}" "--shard=$k" "--shard-count=$_shards" ) \
+				-- ${_user_args[@]:+"${_user_args[@]}"} "--shard=$k" "--shard-count=$_shards" ) \
 				>"$STAMP_DIR/unit_shard_$k.log" 2>&1 &
 			_pids+=($!)
 		done