diff --git a/game/core/meta_progression.gd b/game/core/meta_progression.gd
index b3c16df5..b8797b51 100644
--- a/game/core/meta_progression.gd
+++ b/game/core/meta_progression.gd
@@ -271,14 +271,8 @@ func hero_override() -> Dictionary:
 	# 锻造路线加值内联（原 forge_weapon_atk_bonus/forge_armor_ac_bonus 单调用点收编——输出逐字：
 	# 路线等级×每级增量，选中态异常/未解锁防御回退 0）
 	var fs := meta_state.forge_state()
-	var atk_bonus := 0
-	var wrow: Dictionary[Variant, Variant] = db.forge_route(String(fs["weapon"]))
-	if not wrow.is_empty() and String(wrow.get("kind", "")) == "weapon" and _forge_route_unlocked(String(fs["weapon"])):
-		atk_bonus = int(fs["levels"].get(String(fs["weapon"]), 0)) * int(wrow.get("per_level_gain", 0))
-	var ac_bonus := 0
-	var arow: Dictionary[Variant, Variant] = db.forge_route(String(fs["armor"]))
-	if not arow.is_empty() and String(arow.get("kind", "")) == "armor" and _forge_route_unlocked(String(fs["armor"])):
-		ac_bonus = int(fs["levels"].get(String(fs["armor"]), 0)) * int(arow.get("per_level_gain", 0))
+	var atk_bonus := _forge_axis_bonus(fs, "weapon", "weapon")
+	var ac_bonus := _forge_axis_bonus(fs, "armor", "armor")
 	# 树淬炼 flat 内联（原 tree_stat_flat 单调用点收编——四线 flat 汇总同轮扫描，三轴输出逐字等价）
 	var tree_atk := 0
 	var tree_hp := 0
@@ -299,6 +293,15 @@ func hero_override() -> Dictionary:
 	}
 
 
+# 锻造轴加值原语（选中路线等级×每级增量；选中态异常（未解锁/表缺行）防御回退 0——注入面只认合法态）
+func _forge_axis_bonus(fs: Dictionary, sel_key: String, kind: String) -> int:
+	var rid := String(fs[sel_key])
+	var row: Dictionary[Variant, Variant] = db.forge_route(rid)
+	if row.is_empty() or String(row.get("kind", "")) != kind or not _forge_route_unlocked(rid):
+		return 0
+	return int(fs["levels"].get(rid, 0)) * int(row.get("per_level_gain", 0))
+
+
 # ---- 天赋树段（设计权威 整合定稿 §1.4 一树双币三脉一脊）----
 
 # 全树已购总等级（row-gating 输入——「投入点数累计解锁新行」）
@@ -312,31 +315,28 @@ func _tree_spent_total() -> int:
 # 节点可购校验（行门槛 + 显式前置 + 币 + cap；free 节点=钥匙不经购买，彩蛋=觉醒不经购买）
 func tree_can_buy(node_id: String) -> bool:
 	var row: Dictionary[Variant, Variant] = db.tree_node(node_id)
-	if row.is_empty():
-		return false
 	# 彩蛋不经购买（觉醒唯一入口=_check_easter_egg 特化判定——V8 反例：手动购亮=红）
-	if String(row.get("kind", "")) == "easter":
-		return false
-	var lvl := meta_state.tree_state().nodes.get(node_id, 0)
-	if lvl >= int(row.get("cap", 1)):
+	if row.is_empty() or String(row.get("kind", "")) == "easter":
 		return false
+	var nodes: Dictionary[Variant, Variant] = meta_state.tree_state()["nodes"]
+	var lvl := int(nodes.get(node_id, 0))
+	var blocked := lvl >= int(row.get("cap", 1))
 	# 刷新升级节点：cap 主语=Y 账本（单一事实源——树上入口与装配段同 cap 同价，防双账漂移）
 	if node_id == "ks_refresh" and db.meta_attune_refresh_row(meta_state.attune_state().refresh_level + 1).is_empty():
-		return false
+		blocked = true
 	# 行门槛（一线一节点：脊柱节点第 N 级需全树总投入 ≥4×(N−1)）
-	if String(row.get("vein", "")) == "spine" and String(row.get("kind", "")) == "stat":
-		if _tree_spent_total() < db.meta_tree.level_gate(lvl + 1):
-			return false
+	if String(row.get("vein", "")) == "spine" and String(row.get("kind", "")) == "stat" 			and _tree_spent_total() < db.meta_tree.level_gate(lvl + 1):
+		blocked = true
 	for req in (row.get("requires", []) as Array):
-		if meta_state.tree_state().nodes.get(String(req), 0) < 1:
-			return false
+		if int(nodes.get(String(req), 0)) < 1:
+			blocked = true
 	# 等级阈值前置（requires_level {node_id: n}：前置节点等级 ≥ n 才可购；
 	# 现役表零配置=空转零行为影响）
 	var req_lv: Dictionary[Variant, Variant] = row.get("requires_level", {}) as Dictionary
 	for req_id in req_lv.keys():
-		if meta_state.tree_state().nodes.get(String(req_id), 0) < int(req_lv[req_id]):
-			return false
-	return true
+		if int(nodes.get(String(req_id), 0)) < int(req_lv[req_id]):
+			blocked = true
+	return not blocked
 
 
 # 节点购买（营地树 UI 唯一写口）：树全钥石单币。free=工作间钥匙零币点亮