diff --git a/src/components/BasicForm/src/BasicForm.vue b/src/components/BasicForm/src/BasicForm.vue
index 37c569f8b..950cbeaf7 100644
--- a/src/components/BasicForm/src/BasicForm.vue
+++ b/src/components/BasicForm/src/BasicForm.vue
@@ -422,7 +422,9 @@ watch(()=>props.tableData,() => {
   deep:true
 })
 watch(()=>unref(formRef)?.formModel,() => {
-  props?.sumFormDataByForm(formRef,unref(formRef)?.formModel)
+  if(props?.sumFormDataByForm&&unref(formRef)?.formModel){
+    props?.sumFormDataByForm(formRef,unref(formRef)?.formModel)
+  }
 },{
   deep:true
 })