diff --git a/src/components/form-designer/form-widget/field-widget/fieldMixin.js b/src/components/form-designer/form-widget/field-widget/fieldMixin.js
index 123e833..c0920b7 100644
--- a/src/components/form-designer/form-widget/field-widget/fieldMixin.js
+++ b/src/components/form-designer/form-widget/field-widget/fieldMixin.js
@@ -90,14 +90,14 @@ export default {
     },
 
     initEventHandler() {
-      this.$on('setFormData', function (newFormData) {
+      this.$on('setFormData', (newFormData) => {
         //console.log('formModel of globalModel----------', this.globalModel.formModel)
         if (!this.subFormItemFlag) {
           this.setValue(newFormData[this.field.options.name])
         }
       })
 
-      this.$on('field-value-changed', function (values) {
+      this.$on('field-value-changed', (values) => {
         if (!!this.subFormItemFlag) {
           let subFormData = this.formModel[this.subFormName]
           this.handleOnChangeForSubForm(values[0], values[1], subFormData, this.subFormRowId)
@@ -107,7 +107,7 @@ export default {
       })
 
       /* 监听重新加载选项事件 */
-      this.$on('reloadOptionItems', function (widgetNames) {
+      this.$on('reloadOptionItems', (widgetNames) => {
         if ((widgetNames.length === 0) || (widgetNames.indexOf(this.field.options.name) > -1)) {
           this.initOptionItems(true)
         }
diff --git a/src/components/form-render/container-item/sub-form-item.vue b/src/components/form-render/container-item/sub-form-item.vue
index 02e1b1f..12193de 100644
--- a/src/components/form-render/container-item/sub-form-item.vue
+++ b/src/components/form-render/container-item/sub-form-item.vue
@@ -201,7 +201,7 @@
           return
         }
 
-        this.$on('setFormData', function (newFormData) {
+        this.$on('setFormData', (newFormData) => {
           this.initRowIdData(false)
           this.initFieldSchemaData()
 
diff --git a/src/utils/code-generator.js b/src/utils/code-generator.js
index e68ab7f..221743a 100644
--- a/src/utils/code-generator.js
+++ b/src/utils/code-generator.js
@@ -41,7 +41,7 @@ export const generateCode = function(formJson, codeType= 'vue') {
         optionData: {}
       },
       methods: {
-        submitForm: function() {
+        submitForm() {
           this.$refs.vFormRef.getFormData().then( function(formData) {
             // Form Validation OK
             alert( JSON.stringify(formData) )