文件选择器修复清空时会报错null的bug

web/src/components/fileSelector/index.vue

@@ -415,13 +415,14 @@ watch(
 const { ui } = useUi();
 const formValidator = ui.formItem.injectFormItemContext();
 const onDataChange = (value: any) => {
-  console.log(value)
-  let _v;
+  let _v = null;
+  if (value) {
     if (typeof value === 'string') _v = value.replace(/\\/g, '/');
     else {
       _v = [];
       for (let i of value) _v.push(i.replace(/\\/g, '/'));
     }
+  }
   emit('update:modelValue', _v);
   formValidator.onChange();
   formValidator.onBlur();