diff --git a/examples/components/PreCode.vue b/examples/components/PreCode.vue
index 7989587ee..04a0a76bb 100644
--- a/examples/components/PreCode.vue
+++ b/examples/components/PreCode.vue
@@ -5,7 +5,7 @@
 </template>
 
 <script lang="ts">
-import { defineComponent, nextTick, ref, Ref } from 'vue'
+import { defineComponent } from 'vue'
 
 export default defineComponent({
   name: 'PreCode',
diff --git a/examples/views/icon/Icon.vue b/examples/views/icon/Icon.vue
index f40c4c883..4a2c770ca 100644
--- a/examples/views/icon/Icon.vue
+++ b/examples/views/icon/Icon.vue
@@ -28,7 +28,7 @@ interface ItemVO {
 
 export default defineComponent({
   setup () {
-    const copyEvent = ({ icon }: ItemVO) => {
+    const copyEvent = () => {
       VXETable.modal.message({ content: '已复制到剪贴板！', status: 'success' })
     }
     return {
diff --git a/examples/views/input/Input.vue b/examples/views/input/Input.vue
index c39ff592c..6c78eec52 100644
--- a/examples/views/input/Input.vue
+++ b/examples/views/input/Input.vue
@@ -40,6 +40,16 @@
       <vxe-input v-model="demo1.value409" placeholder="农历节日" type="date" :festival-method="festivalCalendarMethod" transfer></vxe-input>
     </p>
 
+    <p>
+      <vxe-input v-model="demo1.value701" placeholder="周选择" type="week" :start-day="0" clearable></vxe-input>
+      <vxe-input v-model="demo1.value702" placeholder="周选择" type="week" :start-day="1" clearable></vxe-input>
+      <vxe-input v-model="demo1.value703" placeholder="周选择" type="week" :start-day="2" clearable></vxe-input>
+      <vxe-input v-model="demo1.value704" placeholder="周选择" type="week" :start-day="3" clearable></vxe-input>
+      <vxe-input v-model="demo1.value705" placeholder="周选择" type="week" :start-day="4" clearable></vxe-input>
+      <vxe-input v-model="demo1.value706" placeholder="周选择" type="week" :start-day="5" clearable></vxe-input>
+      <vxe-input v-model="demo1.value707" placeholder="周选择" type="week" :start-day="6" clearable></vxe-input>
+    </p>
+
     <p>
       <vxe-input v-model="demo1.value500" placeholder="数值类型" type="number"></vxe-input>
       <vxe-input v-model="demo1.value501" placeholder="数值间隔 1.4" type="number" step="1.4" clearable></vxe-input>
@@ -143,7 +153,14 @@ export default defineComponent({
       value600: '',
       value601: '',
       value602: '',
-      value603: ''
+      value603: '',
+      value701: '2017-12-18',
+      value702: '2017-12-18',
+      value703: '2017-12-18',
+      value704: '2017-12-18',
+      value705: '2017-12-18',
+      value706: '2017-12-18',
+      value707: '2017-12-18'
     })
 
     const disabledDateMethod: VxeInputPropTypes.DisabledMethod = (params) => {
diff --git a/package.json b/package.json
index 45862d33f..27f72ea2c 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "vxe-table",
-  "version": "4.1.17-beta.0",
+  "version": "4.1.17-beta.2",
   "description": "一个基于 vue 的 PC 端表格组件，支持增删改查、虚拟列表、虚拟树、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、弹窗、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",
@@ -66,11 +66,11 @@
     "vue-router": "^4.0.11",
     "vuex": "^4.0.2",
     "xe-ajax": "^4.0.5",
-    "xe-utils": "^3.4.3"
+    "xe-utils": "^3.5.0"
   },
   "peerDependencies": {
     "vue": "^3.2.2",
-    "xe-utils": "^3.4.2"
+    "xe-utils": "^3.5.0"
   },
   "vetur": {
     "tags": "helper/vetur/tags.json",
diff --git a/packages/input/src/input.ts b/packages/input/src/input.ts
index 360640e81..abd316ae5 100644
--- a/packages/input/src/input.ts
+++ b/packages/input/src/input.ts
@@ -195,6 +195,14 @@ export default defineComponent({
 
     let inputMethods = {} as InputMethods
 
+    const parseDate = (value: VxeInputPropTypes.ModelValue, format: string) => {
+      const { type } = props
+      if (type === 'time') {
+        return toStringTimeDate(value)
+      }
+      return XEUtils.toStringDate(value, format)
+    }
+
     const computeIsDateTimeType = computed(() => {
       const { type } = props
       return type === 'time' || type === 'datetime'
@@ -255,17 +263,12 @@ export default defineComponent({
     })
 
     const computeDateValue = computed(() => {
-      const { modelValue, type } = props
+      const { modelValue } = props
       const isDatePickerType = computeIsDatePickerType.value
       const dateValueFormat = computeDateValueFormat.value
       let val = null
       if (modelValue && isDatePickerType) {
-        let date
-        if (type === 'time') {
-          date = toStringTimeDate(modelValue)
-        } else {
-          date = XEUtils.toStringDate(modelValue, dateValueFormat)
-        }
+        const date = parseDate(modelValue, dateValueFormat)
         if (XEUtils.isValidDate(date)) {
           val = date
         }
@@ -356,12 +359,16 @@ export default defineComponent({
       return ''
     })
 
+    const computeFirstDayOfWeek = computed(() => {
+      const { startDay, startWeek } = props
+      return XEUtils.toNumber(XEUtils.isNumber(startDay) || XEUtils.isString(startDay) ? startDay : startWeek) as VxeInputPropTypes.StartDay
+    })
+
     const computeWeekDatas = computed(() => {
       const weeks = []
       const isDatePickerType = computeIsDatePickerType.value
       if (isDatePickerType) {
-        const { startDay, startWeek } = props
-        let sWeek = XEUtils.toNumber(XEUtils.isNumber(startDay) || XEUtils.isString(startDay) ? startDay : startWeek)
+        let sWeek = computeFirstDayOfWeek.value
         weeks.push(sWeek)
         for (let index = 0; index < 6; index++) {
           if (sWeek >= 6) {
@@ -516,6 +523,7 @@ export default defineComponent({
 
     const computeWeekDates = computed(() => {
       const dayDatas = computeDayDatas.value
+      const firstDayOfWeek = computeFirstDayOfWeek.value
       return dayDatas.map((list) => {
         const firstItem = list[0]
         const item: DateDayItem = {
@@ -525,7 +533,7 @@ export default defineComponent({
           isCurrent: false,
           isNow: false,
           isNext: false,
-          label: XEUtils.getYearWeek(firstItem.date)
+          label: XEUtils.getYearWeek(firstItem.date, firstDayOfWeek)
         }
         return [item].concat(list)
       })
@@ -711,17 +719,27 @@ export default defineComponent({
       const { type } = props
       const { valueFormat } = props
       const dateLabelFormat = computeDateLabelFormat.value
+      const firstDayOfWeek = computeFirstDayOfWeek.value
       let dValue: Date | null = null
       let dLabel = ''
       if (value) {
-        if (type === 'time') {
-          dValue = toStringTimeDate(value)
-        } else {
-          dValue = XEUtils.toStringDate(value, valueFormat)
-        }
+        dValue = parseDate(value, valueFormat)
       }
       if (XEUtils.isValidDate(dValue)) {
-        dLabel = XEUtils.toDateString(dValue, dateLabelFormat)
+        dLabel = XEUtils.toDateString(dValue, dateLabelFormat, { firstDay: firstDayOfWeek })
+        // 由于年份和第几周是冲突的行为，所以需要特殊处理，判断是否跨年
+        if (dateLabelFormat && type === 'week') {
+          const firstWeekDate = XEUtils.getWhatWeek(dValue, 0, firstDayOfWeek, firstDayOfWeek)
+          if (firstWeekDate.getFullYear() < dValue.getFullYear()) {
+            const yyIndex = dateLabelFormat.indexOf('yyyy')
+            if (yyIndex > -1) {
+              const yyNum = Number(dLabel.substring(yyIndex, yyIndex + 4))
+              if (yyNum && !isNaN(yyNum)) {
+                dLabel = dLabel.replace(`${yyNum}`, `${yyNum - 1}`)
+              }
+            }
+          }
+        }
       } else {
         dValue = null
       }
@@ -785,15 +803,16 @@ export default defineComponent({
       const { datetimePanelValue } = reactData
       const isDateTimeType = computeIsDateTimeType.value
       const dateValueFormat = computeDateValueFormat.value
+      const firstDayOfWeek = computeFirstDayOfWeek.value
       if (props.type === 'week') {
-        const sWeek = XEUtils.toNumber(props.selectDay)
-        date = XEUtils.getWhatWeek(date, 0, sWeek)
+        const sWeek = XEUtils.toNumber(props.selectDay) as VxeInputPropTypes.SelectDay
+        date = XEUtils.getWhatWeek(date, 0, sWeek, firstDayOfWeek)
       } else if (isDateTimeType) {
         date.setHours(datetimePanelValue.getHours())
         date.setMinutes(datetimePanelValue.getMinutes())
         date.setSeconds(datetimePanelValue.getSeconds())
       }
-      const inpVal = XEUtils.toDateString(date, dateValueFormat)
+      const inpVal = XEUtils.toDateString(date, dateValueFormat, { firstDay: firstDayOfWeek })
       dateCheckMonth(date)
       if (!XEUtils.isEqual(modelValue, inpVal)) {
         emitModel(inpVal, { type: 'update' })
@@ -826,12 +845,7 @@ export default defineComponent({
           }
         } else if (isDatePickerType) {
           if (inputValue) {
-            let inpDateVal: VxeInputPropTypes.ModelValue
-            if (type === 'time') {
-              inpDateVal = toStringTimeDate(inputValue)
-            } else {
-              inpDateVal = XEUtils.toStringDate(inputValue, dateLabelFormat)
-            }
+            let inpDateVal: VxeInputPropTypes.ModelValue = parseDate(inputValue, dateLabelFormat as string)
             if (XEUtils.isValidDate(inpDateVal)) {
               if (type === 'time') {
                 inpDateVal = XEUtils.toDateString(inpDateVal, dateLabelFormat)
@@ -841,6 +855,7 @@ export default defineComponent({
                 reactData.inputValue = inpDateVal
               } else {
                 let isChange = false
+                const firstDayOfWeek = computeFirstDayOfWeek.value
                 if (type === 'datetime') {
                   const dateValue = computeDateValue.value
                   if (inputValue !== XEUtils.toDateString(dateValue, dateLabelFormat) || inputValue !== XEUtils.toDateString(inpDateVal, dateLabelFormat)) {
@@ -852,7 +867,7 @@ export default defineComponent({
                 } else {
                   isChange = true
                 }
-                reactData.inputValue = XEUtils.toDateString(inpDateVal, dateLabelFormat)
+                reactData.inputValue = XEUtils.toDateString(inpDateVal, dateLabelFormat, { firstDay: firstDayOfWeek })
                 if (isChange) {
                   dateChange(inpDateVal)
                 }
@@ -1291,14 +1306,15 @@ export default defineComponent({
           dateMoveMonth(offsetMonth)
         } else {
           let offsetDay = datePanelValue || XEUtils.getWhatDay(Date.now(), 0, 'first')
+          const firstDayOfWeek = computeFirstDayOfWeek.value
           if (isLeftArrow) {
             offsetDay = XEUtils.getWhatDay(offsetDay, -1)
           } else if (isUpArrow) {
-            offsetDay = XEUtils.getWhatWeek(offsetDay, -1)
+            offsetDay = XEUtils.getWhatWeek(offsetDay, -1, firstDayOfWeek)
           } else if (isRightArrow) {
             offsetDay = XEUtils.getWhatDay(offsetDay, 1)
           } else if (isDwArrow) {
-            offsetDay = XEUtils.getWhatWeek(offsetDay, 1)
+            offsetDay = XEUtils.getWhatWeek(offsetDay, 1, firstDayOfWeek)
           }
           dateMoveDay(offsetDay)
         }
diff --git a/packages/table/src/table.ts b/packages/table/src/table.ts
index fb0e7f170..221e87312 100644
--- a/packages/table/src/table.ts
+++ b/packages/table/src/table.ts
@@ -2806,6 +2806,25 @@ export default defineComponent({
         }
         return rowList
       },
+      /**
+       * 只对 tree-config 有效，获取行的父级
+       */
+      getParentRow (rowOrRowid) {
+        const { treeConfig } = props
+        const { fullDataRowIdData } = internalData
+        if (rowOrRowid && treeConfig) {
+          let rowid
+          if (XEUtils.isString(rowOrRowid)) {
+            rowid = rowOrRowid
+          } else {
+            rowid = getRowid($xetable, rowOrRowid)
+          }
+          if (rowid) {
+            return fullDataRowIdData[rowid] ? fullDataRowIdData[rowid].parent : null
+          }
+        }
+        return null
+      },
       /**
        * 根据行的唯一主键获取行
        * @param {String/Number} rowid 行主键
diff --git a/types/input.d.ts b/types/input.d.ts
index 1a497862e..b6551e11f 100644
--- a/types/input.d.ts
+++ b/types/input.d.ts
@@ -66,8 +66,8 @@ export namespace VxeInputPropTypes {
   export type Digits = string | number;
   export type MinDate = string | number | Date;
   export type MaxDate = string | number | Date;
-  export type StartDay = number;
-  export type SelectDay = number;
+  export type StartDay = 0 | 1 | 2 | 3 | 4 | 5 | 6;
+  export type SelectDay = 0 | 1 | 2 | 3 | 4 | 5 | 6;
   export type LabelFormat = string;
   export type ValueFormat = string;
   export type Editable = boolean;
diff --git a/types/table.d.ts b/types/table.d.ts
index 74806eb32..5665defd5 100644
--- a/types/table.d.ts
+++ b/types/table.d.ts
@@ -272,6 +272,10 @@ export interface TablePublicMethods {
    * 用于 type=checkbox，获取已选中的行数据
    */
   getCheckboxRecords(isFull?: boolean): any[];
+  /**
+   * 只对 tree-config 有效，获取行的父级
+   */
+  getParentRow (rowOrRowid: any): any | null;
   /**
    * 根据行的唯一主键获取行
    * @param rowid 行主键