diff --git a/examples/api/form.ts b/examples/api/form.ts
index b0116df1a..4520def8a 100644
--- a/examples/api/form.ts
+++ b/examples/api/form.ts
@@ -190,7 +190,7 @@ const apis = [
       },
       {
         name: 'prevent-submit',
-        desc: '禁用默认提交方式，禁用后配合 validate() 方法可以更加自由的控制提交逻辑',
+        desc: '是否禁用默认的回车提交方式，禁用后配合 validate() 方法可以更加自由的控制提交逻辑',
         version: '',
         type: 'boolean',
         enum: '',
diff --git a/examples/api/input.ts b/examples/api/input.ts
index a7a6e7e9c..bdabd2025 100644
--- a/examples/api/input.ts
+++ b/examples/api/input.ts
@@ -216,15 +216,6 @@ const apis = [
         defVal: '继承 setup.input.labelFormat',
         list: []
       },
-      // {
-      //   name: 'parse-format',
-      //   desc: '只对 type=date|datetime|week|month|year 有效，绑定值的解析格式，如果是值为字符串时可能会用到',
-      //   version: '',
-      //   type: 'string',
-      //   enum: '',
-      //   defVal: '继承 setup.input.parseFormat',
-      //   list: []
-      // },
       {
         name: 'value-format',
         desc: '只对 type=date|datetime|week|month|year 有效，绑定值的返回格式，默认返回 Date 类型，如果指定格式则返回字符串',
diff --git a/gulpfile.js b/gulpfile.js
index fb6c48042..8b2f9fb2b 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -87,6 +87,9 @@ gulp.task('build_modules', () => {
 })
 
 gulp.task('build_i18n', () => {
+  languages.forEach(code => {
+    fs.writeFileSync(`lib/locale/lang/${code}.d.ts`, `declare const langMsgs: { [key: string]: any }\nexport default langMsgs`)
+  })
   const rest = languages.map(code => {
     const name = XEUtils.camelCase(code).replace(/^[a-z]/, firstChat => firstChat.toUpperCase())
     const isZHTC = ['zh-HK', 'zh-MO', 'zh-TW'].includes(code)
@@ -142,7 +145,7 @@ gulp.task('build_lib', () => {
         suffix: '.common.dev',
         extname: '.js'
       }))
-    .pipe(gulp.dest('lib')),
+      .pipe(gulp.dest('lib')),
     gulp.src('lib_dev/index.umd.js')
       .pipe(gulp.dest('lib')),
     gulp.src('lib_pro/index.umd.min.js')
@@ -163,7 +166,7 @@ gulp.task('build_lib', () => {
 })
 
 gulp.task('build_style', gulp.series('build_modules', 'build_i18n', 'copy_ts', () => {
-   const rest = components.map(name => {
+  const rest = components.map(name => {
     return gulp.src(`styles/${name}.scss`)
       .pipe(replace(/(\/\*\*Variable\*\*\/)/, `@import './variable.scss';\n`))
       .pipe(sass())
@@ -291,26 +294,26 @@ gulp.task('update_plugin_docs', gulp.series('build_html_docs', 'build_css_docs',
 
 gulp.task('copy_docs_v1', () => {
   return gulp.src('docs/v1/index.html')
-  .pipe(rename({
-    basename: '404'
-  }))
-  .pipe(gulp.dest('docs/v1'))
+    .pipe(rename({
+      basename: '404'
+    }))
+    .pipe(gulp.dest('docs/v1'))
 })
 
 gulp.task('copy_docs_v2', () => {
   return gulp.src('docs/v2/index.html')
-  .pipe(rename({
-    basename: '404'
-  }))
-  .pipe(gulp.dest('docs/v2'))
+    .pipe(rename({
+      basename: '404'
+    }))
+    .pipe(gulp.dest('docs/v2'))
 })
 
 gulp.task('copy_docs_v3', () => {
   return gulp.src('docs/v3/index.html')
-  .pipe(rename({
-    basename: '404'
-  }))
-  .pipe(gulp.dest('docs/v3'))
+    .pipe(rename({
+      basename: '404'
+    }))
+    .pipe(gulp.dest('docs/v3'))
 })
 
 gulp.task('copy_docs_index', gulp.parallel('copy_docs_v1', 'copy_docs_v2', 'copy_docs_v3', () => {
diff --git a/package.json b/package.json
index e0d920f68..faf1eeb01 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "vxe-table",
-  "version": "4.0.0-alpha.3",
+  "version": "4.0.0-alpha.4",
   "description": "一个基于 vue 的 PC 端表格组件，支持增删改查、虚拟滚动、懒加载、快捷菜单、数据校验、树形结构、打印导出、表单渲染、数据分页、虚拟列表、模态窗口、自定义模板、渲染器、贼灵活的配置项、扩展接口等...",
   "scripts": {
     "serve": "vue-cli-service serve",
diff --git a/packages/input/src/input.ts b/packages/input/src/input.ts
index da965f6c1..fb2ae8542 100644
--- a/packages/input/src/input.ts
+++ b/packages/input/src/input.ts
@@ -99,7 +99,6 @@ export default defineComponent({
     maxDate: { type: [String, Number, Date] as PropType<VxeInputPropTypes.MaxDate>, default: () => GlobalConfig.input.maxDate },
     startWeek: { type: Number as PropType<VxeInputPropTypes.StartWeek>, default: () => GlobalConfig.input.startWeek },
     labelFormat: { type: String as PropType<VxeInputPropTypes.LabelFormat>, default: () => GlobalConfig.input.labelFormat },
-    parseFormat: { type: String as PropType<VxeInputPropTypes.ParseFormat>, default: () => GlobalConfig.input.parseFormat },
     valueFormat: { type: String as PropType<VxeInputPropTypes.ValueFormat>, default: () => GlobalConfig.input.valueFormat },
     editable: { type: Boolean as PropType<VxeInputPropTypes.Editable>, default: true },
     festivalMethod: { type: Function as PropType<VxeInputPropTypes.FestivalMethod>, default: () => GlobalConfig.input.festivalMethod },
@@ -596,7 +595,7 @@ export default defineComponent({
 
     const dateParseValue = (value?: VxeInputPropTypes.ModelValue) => {
       const { type } = props
-      const { parseFormat } = props
+      const { valueFormat } = props
       const dateLabelFormat = computeDateLabelFormat.value
       let dValue: Date | null = null
       let dLabel = ''
@@ -604,7 +603,7 @@ export default defineComponent({
         if (type === 'time') {
           dValue = toStringTimeDate(value)
         } else {
-          dValue = XEUtils.toStringDate(value, parseFormat)
+          dValue = XEUtils.toStringDate(value, valueFormat)
         }
       }
       if (XEUtils.isValidDate(dValue)) {
diff --git a/packages/pulldown/src/pulldown.ts b/packages/pulldown/src/pulldown.ts
index 722778361..9e55d62a7 100644
--- a/packages/pulldown/src/pulldown.ts
+++ b/packages/pulldown/src/pulldown.ts
@@ -283,9 +283,7 @@ export default defineComponent({
               'animat--leave': animatVisible,
               'animat--enter': visiblePanel
             }],
-            attrs: {
-              'data-placement': panelPlacement
-            },
+            'data-placement': panelPlacement,
             style: panelStyle
           }, slots.dropdown ? (!inited || (destroyOnClose && !visiblePanel && !animatVisible) ? [] : slots.dropdown({ $pulldown: $xepulldown })) : [])
         ])
diff --git a/types/edit.d.ts b/types/edit.d.ts
index 7e75858b5..19b11d425 100644
--- a/types/edit.d.ts
+++ b/types/edit.d.ts
@@ -17,7 +17,7 @@ export interface TableEditMethods {
    * @param records 新数据
    * @param row 指定行
    */
-  insertAt(records: RecordInfo | RecordInfo[], row: RowInfo | number | null): Promise<{ row: RowInfo, rows: RowInfo[] }>;
+  insertAt(records: RecordInfo | RecordInfo[], row: RowInfo | -1 | null): Promise<{ row: RowInfo, rows: RowInfo[] }>;
   /**
    * 删除指定行数据，指定 row 或 [row, ...] 删除多条数据，如果为空则删除所有数据
    * @param rows 指定行
diff --git a/types/input.d.ts b/types/input.d.ts
index 1ff976349..f159c1399 100644
--- a/types/input.d.ts
+++ b/types/input.d.ts
@@ -57,7 +57,6 @@ export namespace VxeInputPropTypes {
   export type MaxDate = string | number | Date;
   export type StartWeek = number;
   export type LabelFormat = string;
-  export type ParseFormat = string;
   export type ValueFormat = string;
   export type Editable = boolean;
   export type FestivalMethod = (params: VxeInputDefines.DateFestivalParams) => VxeInputDefines.DateFestivalInfo | null | void;
@@ -98,7 +97,6 @@ export interface VxeInputProps {
   maxDate?: VxeInputPropTypes.MaxDate;
   startWeek?: VxeInputPropTypes.StartWeek;
   labelFormat?: VxeInputPropTypes.LabelFormat;
-  parseFormat?: VxeInputPropTypes.ParseFormat;
   valueFormat?: VxeInputPropTypes.ValueFormat;
   editable?: VxeInputPropTypes.Editable;
   festivalMethod?: VxeInputPropTypes.FestivalMethod;