diff --git a/game/smoke/ui_input_probe.gd b/game/smoke/ui_input_probe.gd
index ab7c26bc..dc31e3c5 100644
--- a/game/smoke/ui_input_probe.gd
+++ b/game/smoke/ui_input_probe.gd
@@ -57,16 +57,21 @@ func _ready() -> void:
 			_pre_fail("case⑱ 雾面节点选取失败（boss=%d fog=%d）" % [boss_id, fog_id])
 			return
 		if not bool(disp[boss_id]["boss_border"]):
-			_pre_fail("case⑱ Boss 节点未带描边标记（id=%d）" % boss_id)
+			_pre_fail("case⑱ Boss 节点未带描边标记（id=%d）〔fv3〕" % boss_id)
 			return
 		if not bool(disp[int(cands[0])]["draw_icon"]):
-			_pre_fail("case⑱ 候选节点类型未出示（id=%d——下一跳恒可见）" % int(cands[0]))
+			_pre_fail("case⑱ 候选节点类型未出示（id=%d——下一跳恒可见）〔fv4〕" % int(cands[0]))
 			return
 		var fog_node := {}
 		for n in nds_vis:
 			if main.run_scope.runner.node_id_of(n) == fog_id:
 				fog_node = n
 		var fog_pos: Vector2 = ro.canvas_probe()["origin"] + ro.layout_probe(nds_vis)[fog_node]
+		# 零提交判据直接绑 route_chosen 发射：终态会被雾下节点类型（奖励/恢复/商店保持本屏、
+		# 战斗/Boss 出屏）与运行器候选校验兜底，单看终态测不出命中面穿透——信号面才是提交面
+		var submitted: Array = []
+		var on_route := func(nid: int) -> void: submitted.append(nid)
+		ro.route_chosen.connect(on_route)
 		var evf := InputEventMouseButton.new()
 		evf.button_index = MOUSE_BUTTON_LEFT
 		evf.pressed = true
@@ -75,9 +80,10 @@ func _ready() -> void:
 		main.get_viewport().push_input(evf, true)
 		await get_tree().process_frame
 		await get_tree().process_frame
-		if not main.level_screen.visible or not main.run_scope.runner.awaiting_choice():
-			_pre_fail("case⑱ 雾下节点点击产生提交（visible=%s 选路态=%s——雾不扩大可点域）"
-				% [str(main.level_screen.visible), str(main.run_scope.runner.awaiting_choice())])
+		ro.route_chosen.disconnect(on_route)
+		if not submitted.is_empty() or not main.level_screen.visible or not main.run_scope.runner.awaiting_choice():
+			_pre_fail("case⑱ 雾下节点点击产生提交（提交=%s visible=%s 选路态=%s——雾不扩大可点域）〔fv9〕"
+				% [str(submitted), str(main.level_screen.visible), str(main.run_scope.runner.awaiting_choice())])
 			return
 		var nds: Array = main.run_scope.runner.nodes()
 		var tgt := {}