diff --git a/packages/radio/src/radio-button.vue b/packages/radio/src/radio-button.vue
index 37de62b0f5..06144260fb 100644
--- a/packages/radio/src/radio-button.vue
+++ b/packages/radio/src/radio-button.vue
@@ -42,13 +42,24 @@ export default {
   name: 'ElRadioButton',
 
   props: {
-    label: {},
+    label: {
+      type: [Boolean, String, Number],
+      default: '',
+    },
     disabled: Boolean,
-    name: String,
+    name: {
+      type: String,
+      default: '',
+    },
   },
-  setup(props, ctx) {
-    const { isGroup, _radioGroup, elForm,
-      ELEMENT, focus, _elFormItemSize } = useRadio()
+  setup(props) {
+    const radioUse = useRadio()
+    const isGroup = radioUse.isGroup
+    const _radioGroup = radioUse._radioGroup
+    const _elFormItemSize = radioUse._elFormItemSize
+    const ELEMENT = radioUse.ELEMENT
+    const focus = radioUse.focus
+    const elForm = radioUse.elForm
     const size = computed(() => {
       return _radioGroup.radioGroupSize || _elFormItemSize || (ELEMENT || {} as any).size
     })
diff --git a/packages/radio/src/radio-group.vue b/packages/radio/src/radio-group.vue
index 54a25d3148..dba5339f60 100644
--- a/packages/radio/src/radio-group.vue
+++ b/packages/radio/src/radio-group.vue
@@ -13,16 +13,12 @@
 import {
   nextTick,
   computed,
-  provide, getCurrentInstance, onMounted, inject,
+  provide,
+  getCurrentInstance,
+  onMounted,
+  inject,
 } from 'vue'
-
-const keyCode = Object.freeze({
-  LEFT: 37,
-  UP: 38,
-  RIGHT: 39,
-  DOWN: 40,
-})
-
+import { eventKeys } from '@element-plus/utils/aria'
 
 export default {
   name: 'ElRadioGroup',
@@ -30,10 +26,22 @@ export default {
   componentName: 'ElRadioGroup',
 
   props: {
-    modelValue: {},
-    size: String,
-    fill: String,
-    textColor: String,
+    modelValue: {
+      type: [Boolean, String, Number],
+      default: '',
+    },
+    size: {
+      type: String,
+      default: '',
+    },
+    fill: {
+      type: String,
+      default: '',
+    },
+    textColor: {
+      type: String,
+      default: '',
+    },
     disabled: Boolean,
   },
 
@@ -75,7 +83,9 @@ export default {
       name: 'ElRadioGroup',
       changeEvent: changeEvent,
       radioGroupSize: radioGroupSize,
-      ...props,
+      fill: props.fill,
+      textColor: props.textColor,
+      disabled: props.disabled,
       modelValue,
     })
 
@@ -88,14 +98,14 @@ export default {
       const roleRadios = instance.vnode.el.querySelectorAll('[role=radio]')
       let nextIndex = null
       switch (e.keyCode) {
-        case keyCode.LEFT:
-        case keyCode.UP:
+        case eventKeys.left:
+        case eventKeys.up:
           e.stopPropagation()
           e.preventDefault()
           nextIndex = index === 0 ? length - 1 : index - 1
           break
-        case keyCode.RIGHT:
-        case keyCode.DOWN:
+        case eventKeys.right:
+        case eventKeys.down:
           e.stopPropagation()
           e.preventDefault()
           nextIndex = (index === (length - 1)) ? 0 : index + 1
diff --git a/packages/radio/src/radio.vue b/packages/radio/src/radio.vue
index 8fefed9871..ee6271b24a 100644
--- a/packages/radio/src/radio.vue
+++ b/packages/radio/src/radio.vue
@@ -38,8 +38,9 @@
       >
     </span>
     <span class="el-radio__label" @keydown.stop>
-      <slot></slot>
-      <template v-if="!$slots.default">{{ label }}</template>
+      <slot>
+        {{ label }}
+      </slot>
     </span>
   </label>
 </template>
@@ -53,19 +54,36 @@ export default defineComponent({
   componentName: 'ElRadio',
 
   props: {
-    modelValue: {},
-    label: {},
+    modelValue: {
+      type: [Boolean, String, Number],
+      default: '',
+    },
+    label: {
+      type: [Boolean, String, Number],
+      default: '',
+    },
     disabled: Boolean,
-    name: String,
+    name: {
+      type: String,
+      default: '',
+    },
     border: Boolean,
-    size: String,
+    size: {
+      type: String,
+      default: '',
+    },
   },
 
   emits: ['update:modelValue', 'change'],
 
   setup(props, ctx) {
-    const { isGroup, _radioGroup,
-      _elFormItemSize, ELEMENT, focus, elForm } = useRadio()
+    const radioUse = useRadio()
+    const isGroup = radioUse.isGroup
+    const _radioGroup = radioUse._radioGroup
+    const _elFormItemSize = radioUse._elFormItemSize
+    const ELEMENT = radioUse.ELEMENT
+    const focus = radioUse.focus
+    const elForm = radioUse.elForm
     const instance = getCurrentInstance()
     const model = computed({
       get() {