diff --git a/scripts/domain/spell_system/spell_evaluator.gd b/scripts/domain/spell_system/spell_evaluator.gd
index e764e92..706b394 100644
--- a/scripts/domain/spell_system/spell_evaluator.gd
+++ b/scripts/domain/spell_system/spell_evaluator.gd
@@ -330,6 +330,9 @@ func execute_compiled(compiled: CompiledDeck, caster_id: int, spawn_pos: Vector2
 	while deck.has_next() and ops_count < max_ops:
 		ops_count += 1
 		var node: SpellNode = deck.pop()
+		var mana_cost: float = float(node.meta.get("mana_cost", 0.0))
+		if mana_cost > 0.0 and not PlayerStats.spend_mana(mana_cost):
+			break  # 蓝不足 → 停止本次施法（此节点不执行、剩余跳过）
 		match node.type:
 			SpellNode.SpellType.ACTION:
 				_push_projectile(node, ctx, spawn_pos, -1)