diff --git a/components/Characters/Cat.tscn b/components/Characters/Cat.tscn
index 4949d2e..fc1720e 100644
--- a/components/Characters/Cat.tscn
+++ b/components/Characters/Cat.tscn
@@ -38,7 +38,7 @@ radius = 19.026299
 script = ExtResource("2_uo67a")
 displayName = "猫"
 drops = Array[int]([0])
-dropCounts = Array[Vector2]([Vector2(8, 16)])
+dropCounts = Array[Vector2]([Vector2(6, 10)])
 hurtAudioRate = 0.1
 
 [node name="hurt" parent="sounds" index="3"]
diff --git a/components/Characters/Dog.tscn b/components/Characters/Dog.tscn
index 791acc0..211f5f5 100644
--- a/components/Characters/Dog.tscn
+++ b/components/Characters/Dog.tscn
@@ -39,7 +39,7 @@ radius = 27.018513
 script = ExtResource("2_pb36u")
 displayName = "哈士奇"
 drops = Array[int]([3])
-dropCounts = Array[Vector2]([Vector2(1, 3)])
+dropCounts = Array[Vector2]([Vector2(1, 1)])
 hurtAudioRate = 0.1
 
 [node name="hurt" parent="sounds" index="3"]
diff --git a/components/Characters/MTY.tscn b/components/Characters/MTY.tscn
new file mode 100644
index 0000000..d7ecb8a
--- /dev/null
+++ b/components/Characters/MTY.tscn
@@ -0,0 +1,48 @@
+[gd_scene load_steps=6 format=3 uid="uid://b5ysxff1ujv4l"]
+
+[ext_resource type="PackedScene" uid="uid://cvogxi7mktumf" path="res://components/Abstracts/EntityBase.tscn" id="1_8og84"]
+[ext_resource type="Texture2D" uid="uid://cpaafqx7vf443" path="res://resources/characters/bird/mty.png" id="2_i2hh0"]
+
+[sub_resource type="SpriteFrames" id="SpriteFrames_hjlm2"]
+animations = [{
+"frames": [],
+"loop": true,
+"name": &"idle",
+"speed": 5.0
+}, {
+"frames": [],
+"loop": true,
+"name": &"walk",
+"speed": 5.0
+}]
+
+[sub_resource type="RectangleShape2D" id="RectangleShape2D_i2hh0"]
+size = Vector2(471, 57)
+
+[sub_resource type="CapsuleShape2D" id="CapsuleShape2D_hjlm2"]
+radius = 37.0
+height = 126.0
+
+[node name="MTY" instance=ExtResource("1_8og84")]
+displayName = "猫头鹰"
+drops = Array[int]([0, 1, 3])
+dropCounts = Array[Vector2]([Vector2(2, 4), Vector2(2, 4), Vector2(1, 3)])
+hurtAudioRate = 0.05
+
+[node name="texture" parent="." index="3"]
+sprite_frames = SubResource("SpriteFrames_hjlm2")
+
+[node name="staticBackground" parent="texture" index="0"]
+scale = Vector2(0.23718655, 0.23718655)
+texture = ExtResource("2_i2hh0")
+
+[node name="hitbox" parent="texture/hurtbox" index="0"]
+position = Vector2(-3.5, -13.5)
+shape = SubResource("RectangleShape2D_i2hh0")
+
+[node name="hitbox2" type="CollisionShape2D" parent="texture/hurtbox" index="1"]
+position = Vector2(0, -3)
+shape = SubResource("CapsuleShape2D_hjlm2")
+
+[node name="statebar" parent="." index="4"]
+position = Vector2(0, -130)
diff --git a/components/Feeds/Diamond.tscn b/components/Feeds/Diamond.tscn
new file mode 100644
index 0000000..88f7a14
--- /dev/null
+++ b/components/Feeds/Diamond.tscn
@@ -0,0 +1,21 @@
+[gd_scene load_steps=4 format=3 uid="uid://cdbmedn8pnys3"]
+
+[ext_resource type="PackedScene" uid="uid://bykwevnv7keeh" path="res://components/Abstracts/FeedCardBase.tscn" id="1_vp4rj"]
+[ext_resource type="Texture2D" uid="uid://b7vxserbhskol" path="res://resources/feeds/banana.svg" id="2_bkn40"]
+[ext_resource type="Texture2D" uid="uid://dx2jadvyxxmbl" path="res://resources/feeds/diamond.png" id="2_sxbst"]
+
+[node name="Diamond" instance=ExtResource("1_vp4rj")]
+avatarTexture = ExtResource("2_sxbst")
+displayName = "钻石巧克力"
+topic = 2
+fields = Array[int]([22])
+fieldValues = Array[float]([0.15])
+costs = Array[int]([0, 1])
+costCounts = Array[int]([300, 250])
+
+[node name="avatar" parent="container/info" index="0"]
+texture = ExtResource("2_bkn40")
+
+[node name="name" parent="container/info" index="1"]
+displayName = "香蕉"
+topic = 3
diff --git a/resources/characters/bird/mty.png b/resources/characters/bird/mty.png
new file mode 100644
index 0000000..2f4376d
Binary files /dev/null and b/resources/characters/bird/mty.png differ
diff --git a/resources/characters/bird/mty.png.import b/resources/characters/bird/mty.png.import
new file mode 100644
index 0000000..746c8de
--- /dev/null
+++ b/resources/characters/bird/mty.png.import
@@ -0,0 +1,40 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://cpaafqx7vf443"
+path="res://.godot/imported/mty.png-35e99f5b820fd3ecfd8432b4a6f28277.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://resources/characters/bird/mty.png"
+dest_files=["res://.godot/imported/mty.png-35e99f5b820fd3ecfd8432b4a6f28277.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/resources/feeds/diamond.png b/resources/feeds/diamond.png
new file mode 100644
index 0000000..57e4ab7
Binary files /dev/null and b/resources/feeds/diamond.png differ
diff --git a/resources/feeds/diamond.png.import b/resources/feeds/diamond.png.import
new file mode 100644
index 0000000..ef6b60f
--- /dev/null
+++ b/resources/feeds/diamond.png.import
@@ -0,0 +1,40 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://dx2jadvyxxmbl"
+path="res://.godot/imported/diamond.png-4f0009616d24ceb9a9003659a3cdb466.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://resources/feeds/diamond.png"
+dest_files=["res://.godot/imported/diamond.png-4f0009616d24ceb9a9003659a3cdb466.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/EntityBase.gd b/scripts/Statemachine/EntityBase.gd
index 02cce79..8547976 100644
--- a/scripts/Statemachine/EntityBase.gd
+++ b/scripts/Statemachine/EntityBase.gd
@@ -334,7 +334,7 @@ func tryDie(by: BulletBase = null):
 			var item = drops[drop]
 			var count = ceil(randf_range(dropCounts[drop].x, dropCounts[drop].y))
 			for i in range(count):
-				ItemDropped.generate(item, randi_range(1, int(sqrt(count) * (GameRule.difficulty - GameRule.difficultyRange.x + 1))), position + MathTool.randv2_range(GameRule.itemDroppedSpawnOffset))
+				ItemDropped.generate(item, randi_range(1, 2 * round(sqrt(GameRule.difficulty - GameRule.difficultyRange.x + 1))), position + MathTool.randv2_range(GameRule.itemDroppedSpawnOffset))
 		if MathTool.rate(
 			GameRule.appleDropRate +
 			by.launcher.fields.get(FieldStore.Entity.DROP_APPLE_RATE) +