fix: radio focus blur not work

Author: tangjinzhou

components/radio/Radio.jsx

@@ -22,6 +22,8 @@ export default {
     autofocus: Boolean,
     type: PropTypes.string.def('radio'),
     onChange: PropTypes.func,
+    onFocus: PropTypes.func,
+    onBlur: PropTypes.func,
     'onUpdate:checked': PropTypes.func,
     'onUpdate:value': PropTypes.func,
   },

components/radio/RadioButton.jsx

@@ -11,7 +11,7 @@ export default {
   setup() {
     return {
       configProvider: inject('configProvider', ConfigConsumerProps),
-      radioGroupContext: inject('radioGroupContext'),
+      radioGroupContext: inject('radioGroupContext', {}),
     };
   },
   render() {