diff --git a/doc/demo10_animation/animation.md b/doc/demo10_animation/animation.md
index 05ae115..b9d55ba 100644
--- a/doc/demo10_animation/animation.md
+++ b/doc/demo10_animation/animation.md
@@ -1,2 +1,15 @@
+![Image text](image/animation1.png)
+![Image text](image/animation2.png)
+![Image text](image/animation3.png)
+![Image text](image/animation4.png)
+![Image text](image/animation5.png)
+![Image text](image/animation6.png)
+![Image text](image/animation7.png)
+![Image text](image/animation8.png)
+![Image text](image/animation9.png)
+![Image text](image/animation10.png)
+![Image text](image/animation11.png)
+![Image text](image/animation12.png)
+
 - AnimationPlayer是时间和属性的变化，是一种动画的表现
 - AnimatedSprite是序列帧的简便的用法
diff --git a/doc/demo10_animation/image/animation1.png b/doc/demo10_animation/image/animation1.png
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diff --git a/doc/demo10_animation/image/animation1.png.import b/doc/demo10_animation/image/animation1.png.import
new file mode 100644
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new file mode 100644
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new file mode 100644
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diff --git a/doc/demo14_file/file.md b/doc/demo14_file/file.md
index 18d7fdd..8278115 100644
--- a/doc/demo14_file/file.md
+++ b/doc/demo14_file/file.md
@@ -1,3 +1,4 @@
+# file文件系统
 ![Image text](image/file1.png)
 ![Image text](image/file2.png)
 ![Image text](image/file3.png)
@@ -5,3 +6,11 @@
 ![Image text](image/file5.png)
 ![Image text](image/file6.png)
 ![Image text](image/file7.png)
+
+
+# autoload单例模式
+![Image text](image/autoload1.png)
+![Image text](image/autoload2.png)
+![Image text](image/autoload3.png)
+![Image text](image/autoload4.png)
+![Image text](image/autoload5.png)
diff --git a/doc/demo14_file/image/autoload1.png b/doc/demo14_file/image/autoload1.png
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new file mode 100644
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+}
+
+[deps]
+
+source_file="res://doc/demo14_file/image/autoload1.png"
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+[deps]
+
+source_file="res://doc/demo14_file/image/autoload2.png"
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new file mode 100644
index 0000000..5bfdc2e
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+++ b/doc/demo14_file/image/autoload3.png.import
@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="StreamTexture"
+path="res://.import/autoload3.png-62bce05289b2141e879938c64fca24f3.stex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://doc/demo14_file/image/autoload3.png"
+dest_files=[ "res://.import/autoload3.png-62bce05289b2141e879938c64fca24f3.stex" ]
+
+[params]
+
+compress/mode=0
+compress/lossy_quality=0.7
+compress/hdr_mode=0
+compress/bptc_ldr=0
+compress/normal_map=0
+flags/repeat=0
+flags/filter=true
+flags/mipmaps=false
+flags/anisotropic=false
+flags/srgb=2
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/HDR_as_SRGB=false
+process/invert_color=false
+stream=false
+size_limit=0
+detect_3d=true
+svg/scale=1.0
diff --git a/doc/demo14_file/image/autoload4.png b/doc/demo14_file/image/autoload4.png
new file mode 100644
index 0000000..269327d
Binary files /dev/null and b/doc/demo14_file/image/autoload4.png differ
diff --git a/doc/demo14_file/image/autoload4.png.import b/doc/demo14_file/image/autoload4.png.import
new file mode 100644
index 0000000..e4c3ac9
--- /dev/null
+++ b/doc/demo14_file/image/autoload4.png.import
@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="StreamTexture"
+path="res://.import/autoload4.png-c01ee76da84561da13ad3f8778920018.stex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://doc/demo14_file/image/autoload4.png"
+dest_files=[ "res://.import/autoload4.png-c01ee76da84561da13ad3f8778920018.stex" ]
+
+[params]
+
+compress/mode=0
+compress/lossy_quality=0.7
+compress/hdr_mode=0
+compress/bptc_ldr=0
+compress/normal_map=0
+flags/repeat=0
+flags/filter=true
+flags/mipmaps=false
+flags/anisotropic=false
+flags/srgb=2
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/HDR_as_SRGB=false
+process/invert_color=false
+stream=false
+size_limit=0
+detect_3d=true
+svg/scale=1.0
diff --git a/doc/demo14_file/image/autoload5.png b/doc/demo14_file/image/autoload5.png
new file mode 100644
index 0000000..33f1336
Binary files /dev/null and b/doc/demo14_file/image/autoload5.png differ
diff --git a/doc/demo14_file/image/autoload5.png.import b/doc/demo14_file/image/autoload5.png.import
new file mode 100644
index 0000000..c4c972a
--- /dev/null
+++ b/doc/demo14_file/image/autoload5.png.import
@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="StreamTexture"
+path="res://.import/autoload5.png-86f79af8b019a1d00c8ba7e0a846959a.stex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://doc/demo14_file/image/autoload5.png"
+dest_files=[ "res://.import/autoload5.png-86f79af8b019a1d00c8ba7e0a846959a.stex" ]
+
+[params]
+
+compress/mode=0
+compress/lossy_quality=0.7
+compress/hdr_mode=0
+compress/bptc_ldr=0
+compress/normal_map=0
+flags/repeat=0
+flags/filter=true
+flags/mipmaps=false
+flags/anisotropic=false
+flags/srgb=2
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/HDR_as_SRGB=false
+process/invert_color=false
+stream=false
+size_limit=0
+detect_3d=true
+svg/scale=1.0
diff --git a/scene/demo10_animation/animation.tscn b/scene/demo10_animation/animation.tscn
index 5b7bf77..f62ebc9 100644
--- a/scene/demo10_animation/animation.tscn
+++ b/scene/demo10_animation/animation.tscn
@@ -1,4 +1,4 @@
-[gd_scene load_steps=14 format=2]
+[gd_scene load_steps=16 format=2]
 
 [ext_resource path="res://scene/demo10_animation/image/run-6.png" type="Texture" id=1]
 [ext_resource path="res://scene/demo10_animation/image/run-5.png" type="Texture" id=2]
@@ -10,6 +10,8 @@
 [ext_resource path="res://scene/demo10_animation/image/run-3.png" type="Texture" id=8]
 [ext_resource path="res://scene/demo10_animation/image/run-1.png" type="Texture" id=9]
 [ext_resource path="res://scene/demo10_animation/image/run-2.png" type="Texture" id=10]
+[ext_resource path="res://script/demo10_animation/timer_animation.gd" type="Script" id=11]
+[ext_resource path="res://script/demo10_animation/tween_animation.gd" type="Script" id=12]
 
 [sub_resource type="Animation" id=1]
 resource_name = "my_animation_1"
@@ -25,7 +27,7 @@ tracks/0/keys = {
 "times": PoolRealArray( 0, 2 ),
 "transitions": PoolRealArray( 1, 1 ),
 "update": 0,
-"values": [ Vector2( 107.526, 131.125 ), Vector2( 863.129, 129.537 ) ]
+"values": [ Vector2( 319.48, 335.423 ), Vector2( 966.209, 326.747 ) ]
 }
 tracks/1/type = "value"
 tracks/1/path = NodePath("icon:rotation_degrees")
@@ -37,7 +39,7 @@ tracks/1/keys = {
 "times": PoolRealArray( 0, 2 ),
 "transitions": PoolRealArray( 1, 1 ),
 "update": 0,
-"values": [ 0.0, 360.0 ]
+"values": [ 0.0, 0.0 ]
 }
 tracks/2/type = "value"
 tracks/2/path = NodePath("icon:scale")
@@ -49,7 +51,7 @@ tracks/2/keys = {
 "times": PoolRealArray( 0, 2 ),
 "transitions": PoolRealArray( 1, 1 ),
 "update": 0,
-"values": [ Vector2( 1, 1 ), Vector2( 3, 3 ) ]
+"values": [ Vector2( 1, 1 ), Vector2( 1, 1 ) ]
 }
 
 [sub_resource type="Animation" id=2]
@@ -81,35 +83,64 @@ animations = [ {
 
 [node name="Animation_1" type="Node2D" parent="."]
 
-[node name="icon" type="Sprite" parent="Animation_1"]
-position = Vector2( 315.475, 141.204 )
-rotation = 6.28319
-scale = Vector2( 1.06651, 1.06651 )
-texture = ExtResource( 4 )
+[node name="Sprite" type="Sprite" parent="Animation_1"]
+position = Vector2( 317.024, 70.0791 )
+scale = Vector2( 1.70913, 1.70913 )
+texture = ExtResource( 6 )
+hframes = 60
+script = ExtResource( 11 )
 
-[node name="AnimationPlayer" type="AnimationPlayer" parent="Animation_1"]
-autoplay = "my_animation_1"
-anims/my_animation_1 = SubResource( 1 )
+[node name="Timer" type="Timer" parent="Animation_1/Sprite"]
+wait_time = 0.1
+autostart = true
 
 [node name="Animation_2" type="Node2D" parent="."]
 
-[node name="player" type="Sprite" parent="Animation_2"]
-position = Vector2( 317.132, 336.313 )
+[node name="Sprite" type="Sprite" parent="Animation_2"]
+position = Vector2( 307.681, 157.511 )
+texture = ExtResource( 4 )
+script = ExtResource( 12 )
+
+[node name="Tween" type="Tween" parent="Animation_2/Sprite"]
+repeat = true
+playback/repeat = true
+
+[node name="TargetPosition" type="Sprite" parent="."]
+position = Vector2( 928.381, 170.859 )
+texture = ExtResource( 4 )
+
+[node name="Animation_3" type="Node2D" parent="."]
+
+[node name="icon" type="Sprite" parent="Animation_3"]
+position = Vector2( 317.477, 302.72 )
+texture = ExtResource( 4 )
+
+[node name="AnimationPlayer" type="AnimationPlayer" parent="Animation_3"]
+autoplay = "my_animation_1"
+anims/my_animation_1 = SubResource( 1 )
+
+[node name="Animation_4" type="Node2D" parent="."]
+
+[node name="player" type="Sprite" parent="Animation_4"]
+position = Vector2( 319.802, 425.747 )
 scale = Vector2( 1.86179, 1.57452 )
 texture = ExtResource( 6 )
 hframes = 60
+frame = 5
 
-[node name="AnimationPlayer" type="AnimationPlayer" parent="Animation_2"]
+[node name="AnimationPlayer" type="AnimationPlayer" parent="Animation_4"]
 autoplay = "animation_2"
 anims/animation_2 = SubResource( 2 )
 
-[node name="Animation_3" type="Node2D" parent="."]
+[node name="Animation_5" type="Node2D" parent="."]
 position = Vector2( 308.251, 522.067 )
 __meta__ = {
 "_edit_group_": true
 }
 
-[node name="AnimatedSprite" type="AnimatedSprite" parent="Animation_3"]
+[node name="AnimatedSprite" type="AnimatedSprite" parent="Animation_5"]
 frames = SubResource( 3 )
-frame = 5
+frame = 7
 playing = true
+
+[connection signal="timeout" from="Animation_1/Sprite/Timer" to="Animation_1/Sprite" method="_on_Timer_timeout"]
diff --git a/script/demo10_animation/timer_animation.gd b/script/demo10_animation/timer_animation.gd
new file mode 100644
index 0000000..7bc8fcc
--- /dev/null
+++ b/script/demo10_animation/timer_animation.gd
@@ -0,0 +1,9 @@
+extends Sprite
+
+
+
+func _on_Timer_timeout():
+	if frame < 5:
+		frame += 1
+	else:
+		frame = 0
diff --git a/script/demo10_animation/tween_animation.gd b/script/demo10_animation/tween_animation.gd
new file mode 100644
index 0000000..3da2f34
--- /dev/null
+++ b/script/demo10_animation/tween_animation.gd
@@ -0,0 +1,15 @@
+extends Sprite
+
+
+onready var tween = $Tween
+onready var targetPosition = get_node("/root/Node2D/TargetPosition")
+
+# Called when the node enters the scene tree for the first time.
+func _ready():
+	tween.follow_property(self, "position", get_position(), targetPosition, "position", 2.0, Tween.TRANS_LINEAR, Tween.EASE_IN_OUT)
+	tween.start()
+
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+#func _process(delta):
+#	pass
diff --git a/script/demo14_file/file.gd b/script/demo14_file/file.gd
index 9415688..a7d15b0 100644
--- a/script/demo14_file/file.gd
+++ b/script/demo14_file/file.gd
@@ -18,16 +18,34 @@ func _ready() -> void:
 
 
 func saveData() -> void:
-
+	var saveFile = File.new()
+	saveFile.open(filePath, File.WRITE)
 	
-	FileUtils.writeStringToFile(filePath, content)
+	print(saveFile.get_path_absolute())
+
+	# bread and butter
+	saveFile.store_line(content)
+	saveFile.close()
+	
+	#FileUtils.writeStringToFile(filePath, content)
 
 
 func loadData() -> void:
-
-	content = FileUtils.readFileToString(filePath)
+	var dataFile = File.new()
+	
+	# make sure our file exists on users system
+	if not dataFile.file_exists(filePath):
+		return # File does not exist
+	
+	# allow reading only for file
+	dataFile.open(filePath, File.READ)
+	
+	content = dataFile.get_as_text()
+	dataFile.close()
+	#content = FileUtils.readFileToString(filePath)
 
 
+# 退出的时候回调
 func _notification(what):
 	if what == MainLoop.NOTIFICATION_WM_QUIT_REQUEST:
 		content = content + TimeUtils.currentTimeMillis() as String