diff --git a/docs/components/content/ComponentPreview.vue b/docs/components/content/ComponentPreview.vue
index a3c9006..4143078 100644
--- a/docs/components/content/ComponentPreview.vue
+++ b/docs/components/content/ComponentPreview.vue
@@ -24,7 +24,7 @@ const props = defineProps({
   },
   slots: {
     type: Object,
-    default: () => ({}),
+    default: null,
   },
   options: {
     type: Array as PropType<{ name: string, values: string[], restriction: 'expected' | 'included' | 'excluded' | 'only' }[]>,
@@ -119,7 +119,22 @@ const code = computed(() => {
     code += ` ${(typeof v === 'boolean' && (k === 'modelValue' || v !== true)) || typeof v === 'number' || typeof v === 'object' ? ':' : ''}${k === 'modelValue' ? 'model-value' : kebabCase(k)}${k !== 'modelValue' && typeof v === 'boolean' && !!v ? '' : `="${typeof v === 'object' ? renderObject(v) : v}"`}`
   }
 
-  code += `/>\n</template>
+  if (props.slots) {
+    code += `>
+  ${Object.entries(props.slots).map(([key, value]) => {
+    return key === 'default'
+      ? value
+      : `<template #${key}>
+    ${value}
+  </template>`
+  }).join('\n  ')}
+</${componentName}>`
+  }
+  else {
+    code += ' />'
+  }
+
+  code += `\n</template>
 \`\`\`
   `
   return code
@@ -176,11 +191,12 @@ const { data: codeRender } = await useAsyncData(`${componentName}-code-renderer-
           v-else
           :id="`${prop.name}-prop`"
           :model-value="componentProps[prop.name]"
-          :type="prop.type === 'number' ? 'number' : 'text'"
+          :type="prop.type.includes('number') ? 'number' : 'text'"
           variant="plain"
           :padded="false"
           :ui="{ rounded: 'rounded-none' }"
-          placeholder="type something..."
+          :placeholder="prop.type"
+          autocomplete="off"
           @update:model-value="val => componentProps[prop.name] = prop.type === 'number' ? Number(val) : val"
         />
       </div>
diff --git a/docs/content/2.components/button.md b/docs/content/2.components/button.md
index cca96ac..130ba53 100644
--- a/docs/content/2.components/button.md
+++ b/docs/content/2.components/button.md
@@ -98,7 +98,7 @@ Button
 props:
   icon: tabler:adjustments
   size: sm
-  loading: true
+  loading: false
 ---
 Settings
 ::
diff --git a/docs/content/2.components/mark.md b/docs/content/2.components/mark.md
new file mode 100644
index 0000000..fc63f48
--- /dev/null
+++ b/docs/content/2.components/mark.md
@@ -0,0 +1,83 @@
+---
+description: Display a indicator with or without counts on any component
+---
+
+## Usage
+
+Use the default slot to add any component you want to display the indicator on.
+
+::ComponentPreview
+---
+slots:
+  default: |
+    <RayButton icon="tabler:message" label="messages" color="invert" />
+---
+#default
+:RayButton{icon="tabler:message" label="messages" color="invert"}
+::
+
+### Styles
+
+You can change the color and size of the indicator by using the `color` and `size` props.
+
+::ComponentPreview
+---
+props:
+  color: amber
+  size: sm
+slots:
+  default: |
+    <RayButton icon="tabler:message" label="messages" color="invert" />
+---
+#default
+:RayButton{icon="tabler:message" label="messages" color="invert"}
+::
+
+### Position
+
+Use the `position` prop to change the position of the indicator.
+
+::ComponentPreview
+---
+props:
+  position: top-right
+slots:
+  default: |
+    <RayButton icon="tabler:message" label="messages" color="invert" />
+---
+#default
+:RayButton{icon="tabler:message" label="messages" color="invert"}
+::
+
+### Count
+
+Add a count to the indicator by using the `value` prop.
+
+::ComponentPreview
+---
+props:
+  value: 5
+slots:
+  default: |
+    <RayButton icon="tabler:message" label="messages" color="invert" />
+---
+#default
+:RayButton{icon="tabler:message" label="messages" color="invert"}
+::
+
+#### Overflow
+
+Set `max` prop to handle overflow situation.
+
+::ComponentPreview
+---
+props:
+  value: 110
+  max: 99
+slots:
+  default: |
+    <RayButton icon="tabler:message" label="messages" color="invert" />
+---
+#default
+:RayButton{icon="tabler:message" label="messages" color="invert"}
+::
diff --git a/src/runtime/components/elements/Mark.vue b/src/runtime/components/elements/Mark.vue
new file mode 100644
index 0000000..64601e1
--- /dev/null
+++ b/src/runtime/components/elements/Mark.vue
@@ -0,0 +1,90 @@
+<script lang="ts">
+import { computed, defineComponent, toRef, type PropType } from 'vue'
+import { twJoin, twMerge } from 'tailwind-merge'
+import { mark } from '../../ui.config'
+import type { MarkColor, MarkPosition, MarkSize } from '../../types'
+import { useRayUI } from '#build/imports'
+
+const config = mark
+
+export default defineComponent({
+  inheritAttrs: false,
+  props: {
+    value: {
+      type: [Number, String],
+      default: null,
+    },
+    max: {
+      type: Number,
+      default: null,
+    },
+    size: {
+      type: String as PropType<MarkSize>,
+      default: config.default.size,
+    },
+    color: {
+      type: String as PropType<MarkColor>,
+      default: config.default.color,
+    },
+    position: {
+      type: String as PropType<MarkPosition>,
+      default: config.default.position,
+    },
+    ui: {
+      type: Object as PropType<typeof config>,
+      default: () => ({}),
+    },
+    class: {
+      type: String,
+      default: '',
+    },
+  },
+  setup(props) {
+    const { ui, attrs } = useRayUI('mark', toRef(props, 'ui'), config)
+
+    const markClass = computed(() => {
+      return twMerge(twJoin(
+        ui.value.base,
+        ui.value.rounded,
+        ui.value.ring,
+        ui.value.position[props.position],
+        ui.value.background.replaceAll('{color}', props.color),
+        props.value ? ui.value.value.size[props.size] : ui.value.size[props.size],
+        props.value ? ui.value.value.translate[props.position] : ui.value.translate[props.position],
+      ), props.class)
+    })
+
+    const isOverMax = computed(() => {
+      if (props.max === null) return false
+      if (typeof props.value === 'string') return false
+      return props.value > props.max
+    })
+
+    // consider string value
+    const countValue = computed(() => {
+      if (typeof props.value === 'string') return props.value
+      return isOverMax.value ? `${props.max}+` : props.value
+    })
+
+    return {
+      // eslint-disable-next-line vue/no-dupe-keys
+      ui,
+      attrs,
+      markClass,
+      isOverMax,
+      countValue,
+    }
+  },
+})
+</script>
+
+<template>
+  <div :class="ui.wrapper">
+    <span :class="markClass">
+      <Transition v-bind="ui.transition">
+        <span v-if="value" :key="countValue" class="leading-none">{{ countValue }}</span>
+      </Transition>
+    </span>
+    <slot />
+  </div>
+</template>
diff --git a/src/runtime/types/index.ts b/src/runtime/types/index.ts
index caea2fd..532ee79 100644
--- a/src/runtime/types/index.ts
+++ b/src/runtime/types/index.ts
@@ -4,5 +4,6 @@ export * from './input'
 export * from './textarea'
 export * from './kbd'
 export * from './toggle'
+export * from './mark'
 
 export * from './utils'
diff --git a/src/runtime/types/mark.d.ts b/src/runtime/types/mark.d.ts
new file mode 100644
index 0000000..b4473ad
--- /dev/null
+++ b/src/runtime/types/mark.d.ts
@@ -0,0 +1,14 @@
+import type { AppConfig } from '@nuxt/schema'
+import type { mark } from '../ui.config'
+import type { ExtractDeepKey } from './utils'
+import type colors from '#ray-colors'
+
+export type MarkSize =
+  | keyof typeof mark.size
+  | ExtractDeepKey<AppConfig, ['rayui', 'mark', 'size']>
+export type MarkColor =
+  | ExtractDeepKey<AppConfig, ['rayui', 'mark', 'color']>
+  | (typeof colors)[number]
+export type MarkPosition =
+  | keyof typeof mark.position
+  | ExtractDeepKey<AppConfig, ['rayui', 'mark', 'position']>
diff --git a/src/runtime/ui.config/elements/mark.ts b/src/runtime/ui.config/elements/mark.ts
new file mode 100644
index 0000000..db6c691
--- /dev/null
+++ b/src/runtime/ui.config/elements/mark.ts
@@ -0,0 +1,51 @@
+export default {
+  wrapper: 'relative',
+  base: 'absolute text-white rounded-full inline-flex justify-center items-center',
+  ring: 'ring-2 ring-white dark:ring-gray-900',
+  rounded: 'rounded-full',
+  background: 'bg-{color}-500',
+  position: {
+    'top-left': 'top-0 left-0',
+    'top-right': 'top-0 right-0',
+    'bottom-left': 'bottom-0 left-0',
+    'bottom-right': 'bottom-0 right-0',
+  },
+  translate: {
+    'top-left': '-translate-x-0.5 -translate-y-0.5',
+    'top-right': 'translate-x-0.5 -translate-y-0.5',
+    'bottom-left': '-translate-x-0.5 translate-y-0.5',
+    'bottom-right': 'translate-x-0.5 translate-y-0.5',
+  },
+  size: {
+    xs: 'w-1.5 h-1.5',
+    sm: 'w-2 h-2',
+    md: 'w-2.5 h-2.5',
+  },
+  value: {
+    size: {
+      xs: 'px-1 h-3 leading-none text-xs',
+      sm: 'px-1.5 h-4 leading-none text-xs',
+      md: 'px-2 h-5 leading-none text-sm',
+    },
+    translate: {
+      'top-left': '-translate-x-1/3 -translate-y-1/3',
+      'top-right': 'translate-x-1/3 -translate-y-1/3',
+      'bottom-left': '-translate-x-1/3 translate-y-1/3',
+      'bottom-right': 'translate-x-1/3 translate-y-1/3',
+    },
+  },
+  transition: {
+    moveClass: 'transform ease-out duration-300 transition',
+    enterActiveClass: 'transform ease-out duration-300 transition',
+    leaveActiveClass: 'transform ease-out duration-300 transition absolute',
+    enterFromClass: 'translate-y-2 opacity-0',
+    enterToClass: 'translate-y-0 opacity-100',
+    leaveFromClass: 'translate-y-0 opacity-100',
+    leaveToClass: '-translate-y-2 opacity-0',
+  },
+  default: {
+    size: 'sm',
+    color: 'primary',
+    position: 'top-right',
+  },
+}
diff --git a/src/runtime/ui.config/index.ts b/src/runtime/ui.config/index.ts
index 0ada6dc..dd9656e 100644
--- a/src/runtime/ui.config/index.ts
+++ b/src/runtime/ui.config/index.ts
@@ -4,6 +4,7 @@ export { default as standard } from './standard'
 // elements
 export { default as button } from './elements/button'
 export { default as kbd } from './elements/kbd'
+export { default as mark } from './elements/mark'
 
 // forms
 export { default as input } from './forms/input'