diff --git a/packages/ncform/examples/components/vue-ncform/_others.html b/packages/ncform/examples/components/vue-ncform/_others.html
index ce9e3e4..a5e5126 100644
--- a/packages/ncform/examples/components/vue-ncform/_others.html
+++ b/packages/ncform/examples/components/vue-ncform/_others.html
@@ -137,10 +137,11 @@
           changeModel(formSchema) {
             formSchema.value = { user: { name: 'daniel' } };
           },
-          onChange({paths, itemValue, formValue}) {
+          onChange({paths, itemValue, formValue, itemOldValue}) {
             console.log('paths:', paths);
             console.log('itemValue:', itemValue);
             console.log('formValue:', JSON.stringify(formValue, null, 2));
+            console.log('itemOldValue', itemOldValue);
           }
         }
       });
diff --git a/packages/ncform/src/components/vue-ncform/form-item.vue b/packages/ncform/src/components/vue-ncform/form-item.vue
index 22a5bfa..d1a41e3 100755
--- a/packages/ncform/src/components/vue-ncform/form-item.vue
+++ b/packages/ncform/src/components/vue-ncform/form-item.vue
@@ -282,7 +282,8 @@ export default {
             formVM.$emit('change', {
               paths: this.paths,
               itemValue: this.schema.value,
-              formValue: this.formData
+              formValue: this.formData,
+              itemOldValue: this.$data.itemValue
             })
           }