diff --git a/components/Feeds/Drink.tscn b/components/Feeds/Drink.tscn
new file mode 100644
index 0000000..c70430d
--- /dev/null
+++ b/components/Feeds/Drink.tscn
@@ -0,0 +1,22 @@
+[gd_scene format=3 uid="uid://b8pcvegc6xne6"]
+
+[ext_resource type="PackedScene" uid="uid://bykwevnv7keeh" path="res://components/Abstracts/FeedCardBase.tscn" id="1_3kowa"]
+[ext_resource type="Texture2D" uid="uid://bdktxcifueq2w" path="res://resources/feeds/drink.png" id="2_htdnf"]
+
+[node name="Drink" unique_id=450510980 instance=ExtResource("1_3kowa")]
+avatarTexture = ExtResource("2_htdnf")
+displayName = "草莓气泡水"
+quality = 0
+topic = 5
+fields = Array[int]([26])
+fieldValues = Array[float]([0.05])
+costs = Array[int]([0, 1])
+costCounts = Array[int]([400, 750])
+
+[node name="avatar" parent="container/info" index="0"]
+texture = ExtResource("2_htdnf")
+
+[node name="name" parent="container/info" index="1"]
+displayName = "草莓气泡水"
+quality = 4
+topic = 3
diff --git a/components/Feeds/Yinyang.tscn b/components/Feeds/Yinyang.tscn
index 7c67783..f0cd140 100644
--- a/components/Feeds/Yinyang.tscn
+++ b/components/Feeds/Yinyang.tscn
@@ -9,9 +9,9 @@ displayName = "阴阳球"
 quality = 4
 topic = 7
 fields = Array[int]([2, 0, 1])
-fieldValues = Array[float]([-0.5, -50.0, -0.5])
+fieldValues = Array[float]([-0.4, -60.0, -0.7])
 costs = Array[int]([2, 4])
-costCounts = Array[int]([-2, -1])
+costCounts = Array[int]([-3, -1])
 
 [node name="avatar" parent="container/info" index="0"]
 texture = ExtResource("2_1ouu0")
diff --git a/resources/feeds/drink.png b/resources/feeds/drink.png
new file mode 100644
index 0000000..83f7a34
Binary files /dev/null and b/resources/feeds/drink.png differ
diff --git a/resources/feeds/drink.png.import b/resources/feeds/drink.png.import
new file mode 100644
index 0000000..ebb71d8
--- /dev/null
+++ b/resources/feeds/drink.png.import
@@ -0,0 +1,40 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://bdktxcifueq2w"
+path="res://.godot/imported/drink.png-a864b5534bea1c011c5a5b481aeb0e08.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://resources/feeds/drink.png"
+dest_files=["res://.godot/imported/drink.png-a864b5534bea1c011c5a5b481aeb0e08.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/uastc_level=0
+compress/rdo_quality_loss=0.0
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/channel_remap/red=0
+process/channel_remap/green=1
+process/channel_remap/blue=2
+process/channel_remap/alpha=3
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1
diff --git a/scripts/Statemachine/ItemShow.gd b/scripts/Statemachine/ItemShow.gd
index 05a462f..a5c9957 100644
--- a/scripts/Statemachine/ItemShow.gd
+++ b/scripts/Statemachine/ItemShow.gd
@@ -24,7 +24,11 @@ func _physics_process(_delta):
 	avatarTexture.texture = ItemStore.getTexture(type)
 	countLabel.text = str(count)
 	if enough:
-		countLabel.label_settings.font_color = Color.WHITE
+		if count < 0:
+			countLabel.label_settings.font_color = Color.GREEN
+			countLabel.text = "+%d" % abs(count)
+		else:
+			countLabel.label_settings.font_color = Color.WHITE
 	else:
 		countLabel.label_settings.font_color = Color.RED
 
diff --git a/scripts/Structs/Feed.gd b/scripts/Structs/Feed.gd
index 64b4136..f5d7f12 100644
--- a/scripts/Structs/Feed.gd
+++ b/scripts/Structs/Feed.gd
@@ -41,10 +41,10 @@ func allHad(entity: EntityBase) -> bool:
 func apply(entity: EntityBase):
 	var allHave = allHad(entity)
 	if allHave:
-		if !freeToBuy:
-			for i in range(min(costs.size(), costCounts.size())):
-				var item = costs[i]
-				var count = countOf(i)
+		for i in range(min(costs.size(), costCounts.size())):
+			var item = costs[i]
+			var count = countOf(i)
+			if !freeToBuy || count < 0:
 				entity.inventory[item] -= count
 		for i in range(min(fields.size(), fieldValues.size())):
 			var field = fields[i]
@@ -107,12 +107,12 @@ func rebuildInfo():
 		weaponsBox.add_child(weaponShow)
 	for i in costsBox.get_children():
 		i.queue_free()
-	if !freeToBuy:
-		for i in range(min(costs.size(), costCounts.size())):
-			var cost = costs[i]
-			var count = countOf(i)
-			var costShow: ItemShow = ComponentManager.getUIComponent("ItemShow").instantiate()
-			costShow.enough = is_instance_valid(UIState.player) and UIState.player.inventory[cost] >= count
-			costShow.type = cost
-			costShow.count = count
-			costsBox.add_child(costShow)
+	for i in range(min(costs.size(), costCounts.size())):
+		var cost = costs[i]
+		var count = countOf(i)
+		var costShow: ItemShow = ComponentManager.getUIComponent("ItemShow").instantiate()
+		costShow.enough = is_instance_valid(UIState.player) and UIState.player.inventory[cost] >= count
+		costShow.type = cost
+		costShow.count = count
+		costShow.visible = !freeToBuy || count < 0
+		costsBox.add_child(costShow)