diff --git a/docs/en/guide/command-execute.md b/docs/en/guide/command-execute.md
index c04f5f0..964d216 100644
--- a/docs/en/guide/command-execute.md
+++ b/docs/en/guide/command-execute.md
@@ -71,12 +71,40 @@ instance.command.executeBackspace()
 
 ## executeSetRange
 
-Feature: Set selection
+Feature: Set range
 
 Usage:
 
 ```javascript
-instance.command.executeSetRange(startIndex: number , endIndex: number)
+instance.command.executeSetRange(
+  startIndex: number,
+  endIndex: number,
+  tableId?: string,
+  startTdIndex?: number,
+  endTdIndex?: number,
+  startTrIndex?: number,
+  endTrIndex?: number
+)
+```
+
+## executeReplaceRange
+
+Feature: Replace range
+
+Usage:
+
+```javascript
+instance.command.executeReplaceRange(range: IRange)
+```
+
+## executeSetPositionContext
+
+Feature: Set position context
+
+Usage:
+
+```javascript
+instance.command.executeSetPositionContext(range: IRange)
 ```
 
 ## executeForceUpdate
diff --git a/docs/en/guide/command-get.md b/docs/en/guide/command-get.md
index 40ae035..6960bf1 100644
--- a/docs/en/guide/command-get.md
+++ b/docs/en/guide/command-get.md
@@ -59,7 +59,7 @@ const wordCount = await instance.command.getWordCount()
 
 ## getRangeText
 
-Feature: Get selection text
+Feature: Get range text
 
 Usage:
 
@@ -69,7 +69,7 @@ const rangeText = instance.command.getRangeText()
 
 ## getRangeContext
 
-Feature: Get selection context
+Feature: Get range context
 
 Usage:
 
@@ -79,7 +79,7 @@ const rangeContext = instance.command.getRangeContext()
 
 ## getRangeRow
 
-Feature: Get selection row element list
+Feature: Get range row element list
 
 Usage:
 
@@ -87,9 +87,19 @@ Usage:
 const rowElementList = instance.command.getRangeRow()
 ```
 
+## getKeywordRangeList
+
+Feature: Get range list by keyword
+
+Usage:
+
+```javascript
+const rangeList = instance.command.getKeywordRangeList()
+```
+
 ## getRangeParagraph
 
-Feature: Get selection paragraph element list
+Feature: Get range paragraph element list
 
 Usage:
 
diff --git a/docs/guide/command-execute.md b/docs/guide/command-execute.md
index 1205da0..5676d05 100644
--- a/docs/guide/command-execute.md
+++ b/docs/guide/command-execute.md
@@ -76,7 +76,35 @@ instance.command.executeBackspace()
 用法：
 
 ```javascript
-instance.command.executeSetRange(startIndex: number , endIndex: number)
+instance.command.executeSetRange(
+  startIndex: number,
+  endIndex: number,
+  tableId?: string,
+  startTdIndex?: number,
+  endTdIndex?: number,
+  startTrIndex?: number,
+  endTrIndex?: number
+)
+```
+
+## executeReplaceRange
+
+功能：替换选区
+
+用法：
+
+```javascript
+instance.command.executeReplaceRange(range: IRange)
+```
+
+## executeSetPositionContext
+
+功能：设置位置上下文
+
+用法：
+
+```javascript
+instance.command.executeSetPositionContext(range: IRange)
 ```
 
 ## executeForceUpdate
diff --git a/docs/guide/command-get.md b/docs/guide/command-get.md
index a6c6a03..c126c09 100644
--- a/docs/guide/command-get.md
+++ b/docs/guide/command-get.md
@@ -87,6 +87,16 @@ const rangeContext = instance.command.getRangeContext()
 const rowElementList = instance.command.getRangeRow()
 ```
 
+## getKeywordRangeList
+
+功能：获取关键词所在选区列表
+
+用法：
+
+```javascript
+const rangeList = instance.command.getKeywordRangeList()
+```
+
 ## getRangeParagraph
 
 功能：获取选区所在段落元素列表
diff --git a/src/editor/core/command/Command.ts b/src/editor/core/command/Command.ts
index 792e035..7b7e950 100644
--- a/src/editor/core/command/Command.ts
+++ b/src/editor/core/command/Command.ts
@@ -9,6 +9,8 @@ export class Command {
   public executeSelectAll: CommandAdapt['selectAll']
   public executeBackspace: CommandAdapt['backspace']
   public executeSetRange: CommandAdapt['setRange']
+  public executeReplaceRange: CommandAdapt['replaceRange']
+  public executeSetPositionContext: CommandAdapt['setPositionContext']
   public executeForceUpdate: CommandAdapt['forceUpdate']
   public executeBlur: CommandAdapt['blur']
   public executeUndo: CommandAdapt['undo']
@@ -96,6 +98,7 @@ export class Command {
   public getRangeContext: CommandAdapt['getRangeContext']
   public getRangeRow: CommandAdapt['getRangeRow']
   public getRangeParagraph: CommandAdapt['getRangeParagraph']
+  public getKeywordRangeList: CommandAdapt['getKeywordRangeList']
   public getPaperMargin: CommandAdapt['getPaperMargin']
   public getSearchNavigateInfo: CommandAdapt['getSearchNavigateInfo']
   public getLocale: CommandAdapt['getLocale']
@@ -112,6 +115,8 @@ export class Command {
     this.executeSelectAll = adapt.selectAll.bind(adapt)
     this.executeBackspace = adapt.backspace.bind(adapt)
     this.executeSetRange = adapt.setRange.bind(adapt)
+    this.executeReplaceRange = adapt.replaceRange.bind(adapt)
+    this.executeSetPositionContext = adapt.setPositionContext.bind(adapt)
     this.executeForceUpdate = adapt.forceUpdate.bind(adapt)
     this.executeBlur = adapt.blur.bind(adapt)
     // 撤销、重做、格式刷、清除格式
@@ -204,6 +209,7 @@ export class Command {
     this.getRangeContext = adapt.getRangeContext.bind(adapt)
     this.getRangeRow = adapt.getRangeRow.bind(adapt)
     this.getRangeParagraph = adapt.getRangeParagraph.bind(adapt)
+    this.getKeywordRangeList = adapt.getKeywordRangeList.bind(adapt)
     this.getCatalog = adapt.getCatalog.bind(adapt)
     this.getPaperMargin = adapt.getPaperMargin.bind(adapt)
     this.getSearchNavigateInfo = adapt.getSearchNavigateInfo.bind(adapt)
diff --git a/src/editor/core/command/CommandAdapt.ts b/src/editor/core/command/CommandAdapt.ts
index 46fcc1c..7169661 100644
--- a/src/editor/core/command/CommandAdapt.ts
+++ b/src/editor/core/command/CommandAdapt.ts
@@ -42,7 +42,7 @@ import {
 import { IElement, IElementStyle } from '../../interface/Element'
 import { IPasteOption } from '../../interface/Event'
 import { IMargin } from '../../interface/Margin'
-import { RangeContext, RangeRect } from '../../interface/Range'
+import { IRange, RangeContext, RangeRect } from '../../interface/Range'
 import { IColgroup } from '../../interface/table/Colgroup'
 import { ITd } from '../../interface/table/Td'
 import { ITr } from '../../interface/table/Tr'
@@ -150,9 +150,25 @@ export class CommandAdapt {
     this.draw.render({ curIndex })
   }
 
-  public setRange(startIndex: number, endIndex: number) {
+  public setRange(
+    startIndex: number,
+    endIndex: number,
+    tableId?: string,
+    startTdIndex?: number,
+    endTdIndex?: number,
+    startTrIndex?: number,
+    endTrIndex?: number
+  ) {
     if (startIndex < 0 || endIndex < 0 || endIndex < startIndex) return
-    this.range.setRange(startIndex, endIndex)
+    this.range.setRange(
+      startIndex,
+      endIndex,
+      tableId,
+      startTdIndex,
+      endTdIndex,
+      startTrIndex,
+      endTrIndex
+    )
     const isCollapsed = startIndex === endIndex
     this.draw.render({
       curIndex: isCollapsed ? startIndex : undefined,
@@ -162,6 +178,43 @@ export class CommandAdapt {
     })
   }
 
+  public replaceRange(range: IRange) {
+    this.setRange(
+      range.startIndex,
+      range.endIndex,
+      range.tableId,
+      range.startTdIndex,
+      range.endTdIndex,
+      range.startTrIndex,
+      range.endTrIndex
+    )
+  }
+
+  public setPositionContext(range: IRange) {
+    const { tableId, startTrIndex, startTdIndex } = range
+    const elementList = this.draw.getOriginalElementList()
+    if (tableId) {
+      const tableElementIndex = elementList.findIndex(el => el.id === tableId)
+      if (!~tableElementIndex) return
+      const tableElement = elementList[tableElementIndex]
+      const tr = tableElement.trList![startTrIndex!]
+      const td = tr.tdList[startTdIndex!]
+      this.position.setPositionContext({
+        isTable: true,
+        index: tableElementIndex,
+        trIndex: startTrIndex,
+        tdIndex: startTdIndex,
+        tdId: td.id,
+        trId: tr.id,
+        tableId
+      })
+    } else {
+      this.position.setPositionContext({
+        isTable: false
+      })
+    }
+  }
+
   public forceUpdate(options?: IForceUpdateOption) {
     const { isSubmitHistory = false } = options || {}
     this.range.clearRange()
@@ -1890,6 +1943,10 @@ export class CommandAdapt {
     return paragraphElementList ? zipElementList(paragraphElementList) : null
   }
 
+  public getKeywordRangeList(payload: string): IRange[] {
+    return this.range.getKeywordRangeList(payload)
+  }
+
   public pageMode(payload: PageMode) {
     this.draw.setPageMode(payload)
   }
diff --git a/src/editor/core/draw/interactive/Search.ts b/src/editor/core/draw/interactive/Search.ts
index 1c15c52..fff7976 100644
--- a/src/editor/core/draw/interactive/Search.ts
+++ b/src/editor/core/draw/interactive/Search.ts
@@ -153,7 +153,7 @@ export class Search {
     }
   }
 
-  public compute(payload: string) {
+  public getMatchList(payload: string): ISearchResult[] {
     const keyword = payload.toLocaleLowerCase()
     const searchMatchList: ISearchResult[] = []
     // 分组
@@ -245,6 +245,7 @@ export class Search {
           for (let d = 0; d < tr.tdList.length; d++) {
             const td = tr.tdList[d]
             const restArgs: ISearchResultRestArgs = {
+              tableId: tableElement.id,
               tableIndex: group.index,
               trIndex: t,
               tdIndex: d,
@@ -259,7 +260,11 @@ export class Search {
         })
       }
     }
-    this.searchMatchList = searchMatchList
+    return searchMatchList
+  }
+
+  public compute(payload: string) {
+    this.searchMatchList = this.getMatchList(payload)
   }
 
   public render(ctx: CanvasRenderingContext2D, pageIndex: number) {
diff --git a/src/editor/core/range/RangeManager.ts b/src/editor/core/range/RangeManager.ts
index 5ade74c..d32b97a 100644
--- a/src/editor/core/range/RangeManager.ts
+++ b/src/editor/core/range/RangeManager.ts
@@ -2,6 +2,7 @@ import { ElementType } from '../..'
 import { ZERO } from '../../dataset/constant/Common'
 import { TEXTLIKE_ELEMENT_TYPE } from '../../dataset/constant/Element'
 import { ControlComponent } from '../../dataset/enum/Control'
+import { EditorContext } from '../../dataset/enum/Editor'
 import { IEditorOption } from '../../interface/Editor'
 import { IElement } from '../../interface/Element'
 import { EventBusMap } from '../../interface/EventBus'
@@ -247,6 +248,36 @@ export class RangeManager {
     return false
   }
 
+  public getKeywordRangeList(payload: string): IRange[] {
+    const searchMatchList = this.draw.getSearch().getMatchList(payload)
+    const searchRangeMap: Map<string, IRange> = new Map()
+    for (const searchMatch of searchMatchList) {
+      const searchRange = searchRangeMap.get(searchMatch.groupId)
+      if (searchRange) {
+        searchRange.endIndex += 1
+      } else {
+        const { type, groupId, tableId, index, tdIndex, trIndex } = searchMatch
+        const range: IRange = {
+          startIndex: index - 1,
+          endIndex: index
+        }
+        if (type === EditorContext.TABLE) {
+          range.tableId = tableId
+          range.startTdIndex = tdIndex
+          range.endTdIndex = tdIndex
+          range.startTrIndex = trIndex
+          range.endTrIndex = trIndex
+        }
+        searchRangeMap.set(groupId, range)
+      }
+    }
+    const rangeList: IRange[] = []
+    searchRangeMap.forEach(searchRange => {
+      rangeList.push(searchRange)
+    })
+    return rangeList
+  }
+
   public setRange(
     startIndex: number,
     endIndex: number,
diff --git a/src/editor/index.ts b/src/editor/index.ts
index 47bdd82..12909b0 100644
--- a/src/editor/index.ts
+++ b/src/editor/index.ts
@@ -67,6 +67,7 @@ import { defaultPageBreakOption } from './dataset/constant/PageBreak'
 import { IPageBreak } from './interface/PageBreak'
 import { LETTER_CLASS } from './dataset/constant/Common'
 import { INTERNAL_CONTEXT_MENU_KEY } from './dataset/constant/ContextMenu'
+import { IRange } from './interface/Range'
 
 export default class Editor {
   public command: Command
@@ -291,5 +292,6 @@ export type {
   ILang,
   ICatalog,
   ICatalogItem,
+  IRange,
   IRangeStyle
 }
diff --git a/src/editor/interface/Search.ts b/src/editor/interface/Search.ts
index 72ea175..b995c8a 100644
--- a/src/editor/interface/Search.ts
+++ b/src/editor/interface/Search.ts
@@ -7,6 +7,7 @@ export interface ISearchResultBasic {
 }
 
 export interface ISearchResultRestArgs {
+  tableId?: string
   tableIndex?: number
   trIndex?: number
   tdIndex?: number