bug修复

src/components/BasicForm/src/BasicForm.vue

@@ -422,7 +422,9 @@ watch(()=>props.tableData,() => {
   deep:true
 })
 watch(()=>unref(formRef)?.formModel,() => {
+  if(props?.sumFormDataByForm&&unref(formRef)?.formModel){
     props?.sumFormDataByForm(formRef,unref(formRef)?.formModel)
+  }
 },{
   deep:true
 })