diff --git a/README.md b/README.md
index d789082..3921730 100644
--- a/README.md
+++ b/README.md
@@ -1,51 +1,51 @@
 ```sh
-simple clip
-complex clip
-groups, layers and ordering
-groups
-layering
-change containers
-zindex
-filters
-blur
-brighten
-contrast
-emboss
-enhance
-grayscale
-hsl
-hsv
-rgb
-invert
-kaleidoscope
-mask
-noise
-pixelate
-custom filter
-multiple filters
-tweens
-linear easing
-common easings
-all easings
-finish event
-all controls
-tween filter
-complex tweening
-animations
-create an animation
-moving
-rotation
-scaling
-stop animation
-selectors
-select by id
-select by type
-select by name
-data & serialization & export
-serialize a stage
-simple load
-complex load
-json best practices
-stage data url
-export to hd image
-```
\ No newline at end of file
+https://konvajs.org/docs/groups_and_layers/Layering.html
+https://konvajs.org/docs/groups_and_layers/Change_Containers.html
+https://konvajs.org/docs/groups_and_layers/zIndex.html
+
+https://konvajs.org/docs/tweens/Linear_Easing.html
+https://konvajs.org/docs/tweens/Common_Easings.html
+https://konvajs.org/docs/tweens/All_Easings.html
+https://konvajs.org/docs/tweens/All_Controls.html
+https://konvajs.org/docs/tweens/Tween_Filter.html
+
+https://konvajs.org/docs/animations/Create_an_Animation.html
+https://konvajs.org/docs/animations/Moving.html
+https://konvajs.org/docs/animations/Rotation.html
+https://konvajs.org/docs/animations/Scaling.html
+https://konvajs.org/docs/animations/Stop_Animation.html
+
+https://konvajs.org/docs/selectors/Select_by_id.html
+https://konvajs.org/docs/selectors/Select_by_Type.html
+https://konvajs.org/docs/selectors/Select_by_Name.html
+
+https://konvajs.org/docs/filters/Blur.html
+https://konvajs.org/docs/filters/Brighten.html
+https://konvajs.org/docs/filters/Contrast.html
+https://konvajs.org/docs/filters/Emboss.html
+https://konvajs.org/docs/filters/Enhance.html
+https://konvajs.org/docs/filters/Grayscale.html
+https://konvajs.org/docs/filters/HSL.html
+https://konvajs.org/docs/filters/HSV.html
+https://konvajs.org/docs/filters/RGB.html
+https://konvajs.org/docs/filters/Invert.html
+https://konvajs.org/docs/filters/Kaleidoscope.html
+https://konvajs.org/docs/filters/Mask.html
+https://konvajs.org/docs/filters/Noise.html
+https://konvajs.org/docs/filters/Pixelate.html
+https://konvajs.org/docs/filters/Custom_Filter.html
+https://konvajs.org/docs/filters/Multiple_Filters.html
+
+https://konvajs.org/docs/data_and_serialization/Serialize_a_Stage.html
+https://konvajs.org/docs/data_and_serialization/Simple_Load.html
+https://konvajs.org/docs/data_and_serialization/Complex_Load.html
+https://konvajs.org/docs/data_and_serialization/Best_Practices.html
+https://konvajs.org/docs/data_and_serialization/Stage_Data_URL.html
+https://konvajs.org/docs/data_and_serialization/High-Quality-Export.html
+
+https://konvajs.org/docs/performance/Shape_Redraw.html
+https://konvajs.org/docs/performance/Optimize_Strokes.html
+https://konvajs.org/docs/performance/Optimize_Animation.html
+https://konvajs.org/docs/performance/Batch_Draw.html
+https://konvajs.org/docs/performance/Layer_Management.html
+```
diff --git a/src/views/groups/groups/index.vue b/src/views/groups/groups/index.vue
new file mode 100644
index 0000000..78993c8
--- /dev/null
+++ b/src/views/groups/groups/index.vue
@@ -0,0 +1,41 @@
+<script setup lang="ts">
+import { useWindowSize } from '@vueuse/core';
+import { onMounted } from 'vue';
+import Konva from 'konva/lib';
+
+const { width, height } = useWindowSize();
+
+const initial = () => {
+	const stage = new Konva.Stage({ container: 'container', width: width.value, height: height.value });
+	const layer = new Konva.Layer();
+	stage.add(layer);
+
+	const group = new Konva.Group({ x: 120, y: 40, rotation: 20, draggable: true });
+	const colors = ['red', 'orange', 'yellow'];
+	for (let i = 0; i < 3; i++) {
+		const rect = new Konva.Rect({
+			x: i * 30,
+			y: i * 30,
+			width: 100,
+			height: 20,
+			name: `color${colors[i]}`,
+			fill: colors[i],
+			stroke: 'black',
+			strokeWidth: 4,
+		});
+		group.add(rect);
+	}
+
+	layer.add(group);
+};
+
+onMounted(() => {
+	initial();
+});
+</script>
+
+<template>
+	<div id="container"></div>
+</template>
+
+<style scoped lang="scss"></style>