diff --git a/src/components/Configurator.vue b/src/components/Configurator.vue
index 3683958..a1e92dd 100644
--- a/src/components/Configurator.vue
+++ b/src/components/Configurator.vue
@@ -21,6 +21,28 @@
         </ul>
       </SectionWrapper>
 
+      <SectionWrapper :title="t('label.borderColor')">
+        <ul class="color-list">
+          <li
+            v-for="borderColor in SETTINGS.borderColor"
+            :key="borderColor"
+            class="color-list__item"
+            @click="switchBorderColor(borderColor)"
+          >
+            <div
+              :style="{ background: borderColor }"
+              class="bg-color"
+              :class="[
+                {
+                  active: borderColor === avatarOption.background.borderColor,
+                  transparent: borderColor === 'transparent',
+                },
+              ]"
+            />
+          </li>
+        </ul>
+      </SectionWrapper>
+
       <SectionWrapper :title="t('label.backgroundColor')">
         <ul class="color-list">
           <li
@@ -173,6 +195,15 @@ function switchWrapperShape(wrapperShape: WrapperShape) {
   }
 }
 
+function switchBorderColor(borderColor: string) {
+  if (borderColor !== avatarOption.value.background.borderColor) {
+    setAvatarOption({
+      ...avatarOption.value,
+      background: { ...avatarOption.value.background, borderColor },
+    })
+  }
+}
+
 function switchBgColor(bgColor: string) {
   if (bgColor !== avatarOption.value.background.color) {
     setAvatarOption({
diff --git a/src/components/VueColorAvatar.vue b/src/components/VueColorAvatar.vue
index 28341e0..2c35768 100644
--- a/src/components/VueColorAvatar.vue
+++ b/src/components/VueColorAvatar.vue
@@ -5,12 +5,18 @@
     :style="{
       width: `${avatarSize}px`,
       height: `${avatarSize}px`,
+      ...getWrapperShapeStyle(),
     }"
     :class="getWrapperShapeClassName()"
   >
     <Background :color="avatarOption.background.color" />
 
     <div class="avatar-payload" v-html="svgContent" />
+
+    <Border
+      :color="avatarOption.background.borderColor"
+      :radius="getWrapperShapeStyle().borderRadius"
+    />
   </div>
 </template>
 
@@ -26,10 +32,11 @@ import { ref, toRefs, watchEffect } from 'vue'
 import { WidgetType, WrapperShape } from '@/enums'
 import type { AvatarOption } from '@/types'
 import { getRandomAvatarOption } from '@/utils'
-import { AVATAR_LAYER, NONE } from '@/utils/constant'
+import { AVATAR_LAYER, NONE, SHAPE_STYLE_SET } from '@/utils/constant'
 import { widgetData } from '@/utils/dynamic-data'
 
 import Background from './widgets/Background.vue'
+import Border from './widgets/Border.vue'
 
 interface VueColorAvatarProps {
   option: AvatarOption
@@ -58,6 +65,10 @@ function getWrapperShapeClassName() {
   }
 }
 
+function getWrapperShapeStyle() {
+  return SHAPE_STYLE_SET[avatarOption.value.wrapperShape]
+}
+
 const svgContent = ref('')
 
 watchEffect(async () => {
@@ -133,15 +144,6 @@ watchEffect(async () => {
   position: relative;
   overflow: hidden;
 
-  &.circle {
-    border-radius: 50%;
-  }
-
-  &.squircle {
-    // TODO: Radius should adapt to the avatar size
-    border-radius: 25px;
-  }
-
   .avatar-payload {
     position: relative;
     z-index: 2;
diff --git a/src/components/widgets/Border.vue b/src/components/widgets/Border.vue
new file mode 100644
index 0000000..e27bdf3
--- /dev/null
+++ b/src/components/widgets/Border.vue
@@ -0,0 +1,31 @@
+<template>
+  <div
+    class="avatar-border"
+    :style="{ borderColor: props.color, borderRadius: props.radius }"
+  ></div>
+</template>
+
+<script lang="ts" setup>
+import { type AvatarOption } from '../../types'
+
+interface BorderProps {
+  color: AvatarOption['background']['borderColor']
+  radius: string
+}
+
+const props = defineProps<BorderProps>()
+</script>
+
+<style lang="scss" scoped>
+.avatar-border {
+  position: absolute;
+  top: 0;
+  left: 0;
+  z-index: 3;
+  width: 100%;
+  height: 100%;
+  border-style: solid;
+  border-width: 10px;
+  transition: border-color 0.1s;
+}
+</style>
diff --git a/src/i18n/locales/en/index.ts b/src/i18n/locales/en/index.ts
index fe25e4b..de4a902 100644
--- a/src/i18n/locales/en/index.ts
+++ b/src/i18n/locales/en/index.ts
@@ -16,6 +16,7 @@ export default {
   },
   label: {
     wrapperShape: 'Avatar Shape',
+    borderColor: 'Border Color',
     backgroundColor: 'Background Color',
     colors: 'colors',
   },
diff --git a/src/i18n/locales/zh/index.ts b/src/i18n/locales/zh/index.ts
index c4b69e6..fe7542d 100644
--- a/src/i18n/locales/zh/index.ts
+++ b/src/i18n/locales/zh/index.ts
@@ -16,6 +16,7 @@ export default {
   },
   label: {
     wrapperShape: '头像形状',
+    borderColor: '边框颜色',
     backgroundColor: '背景颜色',
     colors: '颜色',
   },
diff --git a/src/types/index.ts b/src/types/index.ts
index f81e1fb..f6d4291 100644
--- a/src/types/index.ts
+++ b/src/types/index.ts
@@ -46,6 +46,7 @@ export interface AvatarOption {
 
   background: {
     color: string
+    borderColor: string
   }
 
   widgets: Partial<AvatarWidgets>
@@ -70,4 +71,5 @@ export interface AvatarSettings {
   commonColors: string[]
   skinColors: string[]
   backgroundColor: string[]
+  borderColor: string[]
 }
diff --git a/src/utils/constant.ts b/src/utils/constant.ts
index e65a3e8..bae2e08 100644
--- a/src/utils/constant.ts
+++ b/src/utils/constant.ts
@@ -99,6 +99,10 @@ export const SETTINGS: Readonly<AvatarSettings> = {
       'transparent',
     ]
   },
+
+  get borderColor() {
+    return [...this.commonColors, 'transparent']
+  },
 }
 
 export const SCREEN = {
@@ -114,6 +118,7 @@ export const SPECIAL_AVATARS: Readonly<AvatarOption[]> = [
     wrapperShape: 'squircle',
     background: {
       color: 'linear-gradient(62deg, #8EC5FC, #E0C3FC)',
+      borderColor: 'transparent',
     },
     widgets: {
       face: {
@@ -158,6 +163,7 @@ export const SPECIAL_AVATARS: Readonly<AvatarOption[]> = [
     wrapperShape: 'squircle',
     background: {
       color: '#fd6f5d',
+      borderColor: 'transparent',
     },
     widgets: {
       face: {
@@ -207,3 +213,16 @@ export const NOT_COMPATIBLE_AGENTS = [
 ] as const
 
 export const DOWNLOAD_DELAY = 800
+
+export const SHAPE_STYLE_SET = {
+  [WrapperShape.Circle]: {
+    borderRadius: '50%',
+  },
+  [WrapperShape.Square]: {
+    borderRadius: '0',
+  },
+  [WrapperShape.Squircle]: {
+    // TODO: Radius should adapt to the avatar size
+    borderRadius: '25px',
+  },
+}
diff --git a/src/utils/index.ts b/src/utils/index.ts
index fbb59c7..f2ed191 100644
--- a/src/utils/index.ts
+++ b/src/utils/index.ts
@@ -75,6 +75,9 @@ export function getRandomAvatarOption(
             hairColor, // Handle special cases and prevent color conflicts.
         ],
       }),
+      borderColor: getRandomValue(SETTINGS.borderColor, {
+        avoid: [useOption.background?.color],
+      }),
     },
 
     widgets: {