feat: update checkbox

components/checkbox/Checkbox.jsx

@@ -95,6 +95,7 @@ export default {
       checkboxProps.props.name = checkboxGroup.name;
       checkboxProps.props.checked = checkboxGroup.sValue.indexOf(props.value) !== -1;
       checkboxProps.props.disabled = props.disabled || checkboxGroup.disabled;
+      checkboxProps.props.indeterminate = indeterminate;
     } else {
       checkboxProps.on.change = this.handleChange;
     }

components/checkbox/Group.jsx

@@ -99,6 +99,7 @@ export default {
           prefixCls={prefixCls}
           key={option.value.toString()}
           disabled={'disabled' in option ? option.disabled : props.disabled}
+          indeterminate={option.indeterminate}
           value={option.value}
           checked={state.sValue.indexOf(option.value) !== -1}
           onChange={option.onChange || noop}