diff --git a/scripts/Contents/Panels/Starter.gd b/scripts/Contents/Panels/Starter.gd
index 1c59ba5..438b9fb 100644
--- a/scripts/Contents/Panels/Starter.gd
+++ b/scripts/Contents/Panels/Starter.gd
@@ -175,8 +175,10 @@ func rebuildInfo():
 		upgradeFieldsBox.remove_child(child)
 	for field in OutGameStorage.upgradableFieldsAdvance:
 		var fieldShow = ComponentManager.getUIComponent("FieldShow").instantiate() as FieldShow
-		fieldShow.cost(ItemStore.ItemType.CRYSTAL, OutGameStorage.upgradableFieldsCost[ItemStore.ItemType.CRYSTAL] * (OutGameStorage.upgradableFieldsLevel[field] + 1))
-		fieldShow.cost(ItemStore.ItemType.DIAMOND, OutGameStorage.upgradableFieldsCost[ItemStore.ItemType.DIAMOND] * OutGameStorage.upgradableFieldsLevel[field])
+		var level = OutGameStorage.upgradableFieldsLevel[field]
+		for item in OutGameStorage.upgradableFieldsCost:
+			var count = OutGameStorage.upgradableFieldsCost[item]
+			fieldShow.cost(item, count[0] * (level + count[1]))
 		fieldShow.upgradable = true
 		fieldShow.upgradeValue = OutGameStorage.upgradableFieldsAdvance[field]
 		fieldShow.field = field
diff --git a/scripts/Statemachine/EntityBase.gd b/scripts/Statemachine/EntityBase.gd
index d5d14ae..d492991 100644
--- a/scripts/Statemachine/EntityBase.gd
+++ b/scripts/Statemachine/EntityBase.gd
@@ -419,7 +419,7 @@ func tryDie(by: BulletBase = null):
 			fields[FieldStore.Entity.MAX_HEALTH] * randf_range(1 - GameRule.beachballOffset, 1 + GameRule.beachballOffset),
 			position + MathTool.sampleInCircle(GameRule.itemDroppedSpawnOffset)
 		)
-		for i in randi_range(0, 20 if isBoss else 3):
+		for i in randi_range(0, 10 if isBoss else 3):
 			ItemDropped.generate(
 				ItemStore.ItemType.CRYSTAL,
 				5 if isBoss else 1,
@@ -428,7 +428,7 @@ func tryDie(by: BulletBase = null):
 		if isBoss:
 			ItemDropped.generate(
 				ItemStore.ItemType.DIAMOND,
-				1,
+				randi_range(1, 3),
 				position + MathTool.sampleInCircle(GameRule.itemDroppedSpawnOffset)
 			)
 	if isBoss:
diff --git a/scripts/Tools/ArrayTool.gd b/scripts/Tools/ArrayTool.gd
index bd3c22f..b43225d 100644
--- a/scripts/Tools/ArrayTool.gd
+++ b/scripts/Tools/ArrayTool.gd
@@ -24,3 +24,10 @@ static func betterMap(arr: Array, executor: Callable) -> Array:
 	for index in len(arr):
 		result.append(executor.call(arr[index], index, arr))
 	return result
+static func fill(origin: Dictionary, filler: Callable) -> Dictionary:
+	return origin.keys().reduce(
+		func(accum, key):
+			accum[key] = filler.call(key)
+			return accum,
+		{}
+	)
diff --git a/scripts/Tools/OutGameStorage.gd b/scripts/Tools/OutGameStorage.gd
index 094525f..4202d67 100644
--- a/scripts/Tools/OutGameStorage.gd
+++ b/scripts/Tools/OutGameStorage.gd
@@ -1,15 +1,8 @@
 class_name OutGameStorage
 
-static var maxInitialFeedCount: int = 3
-static var maxInitialWeaponCount: int = 3
-static var inventory = {
-	ItemStore.ItemType.CRYSTAL: 0,
-	ItemStore.ItemType.DIAMOND: 0
-}
-
 static var upgradableFieldsCost = {
-	ItemStore.ItemType.CRYSTAL: 50,
-	ItemStore.ItemType.DIAMOND: 1,
+	ItemStore.ItemType.CRYSTAL: [50, 1], # [每级所需,初始等级]
+	ItemStore.ItemType.DIAMOND: [1, 0],
 }
 static var upgradableFieldsAdvance = {
 	FieldStore.Entity.MAX_HEALTH: 10,
@@ -17,15 +10,9 @@ static var upgradableFieldsAdvance = {
 	FieldStore.Entity.ATTACK_SPEED: 0.05,
 	FieldStore.Entity.PRICE_REDUCTION: 0.02,
 }
-static var upgradableFieldsValue = {
-	FieldStore.Entity.MAX_HEALTH: 0,
-	FieldStore.Entity.DAMAGE_MULTIPILER: 0,
-	FieldStore.Entity.ATTACK_SPEED: 0,
-	FieldStore.Entity.PRICE_REDUCTION: 0,
-}
-static var upgradableFieldsLevel = {
-	FieldStore.Entity.MAX_HEALTH: 0,
-	FieldStore.Entity.DAMAGE_MULTIPILER: 0,
-	FieldStore.Entity.ATTACK_SPEED: 0,
-	FieldStore.Entity.PRICE_REDUCTION: 0,
-}
\ No newline at end of file
+static var upgradableFieldsValue = ArrayTool.fill(upgradableFieldsAdvance, func(_k): return 0)
+static var upgradableFieldsLevel = ArrayTool.fill(upgradableFieldsAdvance, func(_k): return 0)
+
+static var maxInitialFeedCount: int = 3
+static var maxInitialWeaponCount: int = 3
+static var inventory = ArrayTool.fill(upgradableFieldsCost, func(_k): return 0)