fix

 <!--
  * @Date: 2022-09-02 10:46:03
  * @LastEditors: hookehuyr hookehuyr@gmail.com
- * @LastEditTime: 2022-12-22 11:14:12
+ * @LastEditTime: 2022-12-22 11:27:11
  * @FilePath: /data-table/src/components/PhoneField/index.vue
  * @Description: 手机输入框
 -->
@@ -67,7 +67,7 @@ const is_sms = ref(false);
 const validator = (val) => {
   if (props.item.component_props.required && !val) {
     return false;
-  } else if (!/1\d{10}/.test(val)) {
+  } else if (val && !/1\d{10}/.test(val)) {
     return false;
   } else {
     return true;
@@ -77,7 +77,7 @@ const validator = (val) => {
 const validatorMessage = (val, rule) => {
   if (props.item.component_props.required && !val) {
     return "手机号码不能为空";
-  } else if (!/1\d{10}/.test(val)) {
+  } else if (val && !/1\d{10}/.test(val)) {
     return "请输入正确手机号码";
   }
 };