bug fixes

package.json

 {
   "name": "@ezijing/vue-form",
-  "version": "2.0.11",
+  "version": "2.0.12",
   "private": false,
   "description": "基于Vue Element-UI的表单",
   "scripts": {

src/packages/form/src/form-pane.vue

@@ -26,12 +26,12 @@
                   v-if="form.aside.prepend.visible && form.aside.prepend.visible(item)"
                 ></div>
                 <div>
-                  <div v-for="(button, index) in form.aside.buttons" :key="index">
+                  <div v-for="(button, i) in form.aside.buttons" :key="i">
                     <el-button
                       type="primary"
                       size="medium"
                       plain
-                      @click="button.onClick(item)"
+                      @click="button.onClick(item, $refs.form[index])"
                       v-if="button.visible && button.visible(item)"
                     >
                       {{ button.text }}</el-button