bug fixes

package.json

 {
   "name": "@ezijing/vue-form",
-  "version": "2.0.3",
+  "version": "2.0.4",
   "private": false,
   "description": "基于Vue Element-UI的表单",
   "scripts": {

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

@@ -147,7 +147,7 @@ export default {
     },
     // 更新
     async updateData(formData) {
-      let { action, headers = {}, data = {}, beforeRequest, callback } = this.update
+      let { action, headers = {}, data = {}, beforeRequest, callback, errorCallback } = this.update
       if (beforeRequest) {
         formData = beforeRequest(formData)
       }
@@ -159,7 +159,13 @@ export default {
           callback && callback(res)
           this.$emit('success', res)
         })
-        .catch(error => this.$emit('error', error))
+        .catch(error => {
+          if (errorCallback) {
+            errorCallback()
+          } else {
+            this.$emit('error', error)
+          }
+        })
     },
     onSubmit(data) {
       this.updateData(data)