diff --git a/src/editor/core/cursor/CursorAgent.ts b/src/editor/core/cursor/CursorAgent.ts
index 7fcb2d2..1c1d76f 100644
--- a/src/editor/core/cursor/CursorAgent.ts
+++ b/src/editor/core/cursor/CursorAgent.ts
@@ -18,35 +18,35 @@ export class CursorAgent {
     this.canvas.parentNode?.append(agentCursorDom)
     this.agentCursorDom = agentCursorDom
     // 事件
-    agentCursorDom.onkeydown = (evt: KeyboardEvent) => this.keyDown(evt)
-    agentCursorDom.oninput = debounce(this.input.bind(this), 0)
-    agentCursorDom.onpaste = (evt: ClipboardEvent) => this.paste(evt)
-    agentCursorDom.addEventListener('compositionstart', this.compositionstart.bind(this))
-    agentCursorDom.addEventListener('compositionend', this.compositionend.bind(this))
+    agentCursorDom.onkeydown = (evt: KeyboardEvent) => this._keyDown(evt)
+    agentCursorDom.oninput = debounce(this._input.bind(this), 0)
+    agentCursorDom.onpaste = (evt: ClipboardEvent) => this._paste(evt)
+    agentCursorDom.addEventListener('compositionstart', this._compositionstart.bind(this))
+    agentCursorDom.addEventListener('compositionend', this._compositionend.bind(this))
   }
 
   public getAgentCursorDom(): HTMLTextAreaElement {
     return this.agentCursorDom
   }
 
-  keyDown(evt: KeyboardEvent) {
+  private _keyDown(evt: KeyboardEvent) {
     this.canvasEvent.keydown(evt)
   }
 
-  input(evt: InputEvent) {
+  private _input(evt: InputEvent) {
     if (!evt.data) return
     this.canvasEvent.input(evt.data)
   }
 
-  paste(evt: ClipboardEvent) {
+  private _paste(evt: ClipboardEvent) {
     this.canvasEvent.paste(evt)
   }
 
-  compositionstart() {
+  private _compositionstart() {
     this.canvasEvent.compositionstart()
   }
 
-  compositionend() {
+  private _compositionend() {
     this.canvasEvent.compositionend()
   }
 
diff --git a/src/editor/core/draw/Draw.ts b/src/editor/core/draw/Draw.ts
index 2c43d72..b34bea8 100644
--- a/src/editor/core/draw/Draw.ts
+++ b/src/editor/core/draw/Draw.ts
@@ -82,7 +82,7 @@ export class Draw {
     this.painterStyle = null
     this.searchMatchList = null
 
-    this.setDefaultRange()
+    this._setDefaultRange()
   }
 
   public getOptions(): Required<IEditorOption> {
@@ -144,7 +144,7 @@ export class Draw {
     this.searchMatchList = payload
   }
 
-  private setDefaultRange() {
+  private _setDefaultRange() {
     if (!this.elementList.length) return
     setTimeout(() => {
       const curIndex = this.elementList.length - 1
@@ -153,12 +153,12 @@ export class Draw {
     })
   }
 
-  private getFont(el: IElement): string {
+  private _getFont(el: IElement): string {
     const { defaultSize, defaultFont } = this.options
     return `${el.italic ? 'italic ' : ''}${el.bold ? 'bold ' : ''}${el.size || defaultSize}px ${el.font || defaultFont}`
   }
 
-  private computeRowList() {
+  private _computeRowList() {
     const { defaultSize } = this.options
     const canvasRect = this.canvas.getBoundingClientRect()
     const { width } = canvasRect
@@ -201,7 +201,7 @@ export class Draw {
         metrics.boundingBoxDescent = element.height!
       } else {
         metrics.height = element.size || this.options.defaultSize
-        this.ctx.font = this.getFont(element)
+        this.ctx.font = this._getFont(element)
         const fontMetrics = this.ctx.measureText(element.value)
         metrics.width = fontMetrics.width
         metrics.boundingBoxAscent = element.value === ZERO ? defaultSize : fontMetrics.actualBoundingBoxAscent
@@ -263,7 +263,7 @@ export class Draw {
     this.margin.render(canvasRect)
     // 计算行信息
     if (isComputeRowList) {
-      this.computeRowList()
+      this._computeRowList()
     }
     // 渲染元素
     let x = leftTopPoint[0]
diff --git a/src/editor/core/draw/frame/Background.ts b/src/editor/core/draw/frame/Background.ts
index 7d86497..34503d0 100644
--- a/src/editor/core/draw/frame/Background.ts
+++ b/src/editor/core/draw/frame/Background.ts
@@ -6,7 +6,7 @@ export class Background {
     this.ctx = ctx
   }
 
-  render(canvasRect: DOMRect) {
+  public render(canvasRect: DOMRect) {
     const { width, height } = canvasRect
     this.ctx.save()
     this.ctx.fillStyle = '#ffffff'
diff --git a/src/editor/core/draw/frame/Margin.ts b/src/editor/core/draw/frame/Margin.ts
index c4169f0..b65d81f 100644
--- a/src/editor/core/draw/frame/Margin.ts
+++ b/src/editor/core/draw/frame/Margin.ts
@@ -10,7 +10,7 @@ export class Margin {
     this.options = options
   }
 
-  render(canvasRect: DOMRect) {
+  public render(canvasRect: DOMRect) {
     const { width, height } = canvasRect
     const { marginIndicatorColor, marginIndicatorSize, margins } = this.options
     this.ctx.save()
diff --git a/src/editor/core/draw/interactive/Search.ts b/src/editor/core/draw/interactive/Search.ts
index 9b4d8b9..d50bb64 100644
--- a/src/editor/core/draw/interactive/Search.ts
+++ b/src/editor/core/draw/interactive/Search.ts
@@ -16,7 +16,7 @@ export class Search {
     this.position = draw.getPosition()
   }
 
-  render() {
+  public render() {
     const searchMatch = this.draw.getSearchMathch()
     if (!searchMatch || !searchMatch.length) return
     const searchMatchList = searchMatch.flat()
diff --git a/src/editor/core/draw/particle/ImageParticle.ts b/src/editor/core/draw/particle/ImageParticle.ts
index 11e349d..953b840 100644
--- a/src/editor/core/draw/particle/ImageParticle.ts
+++ b/src/editor/core/draw/particle/ImageParticle.ts
@@ -30,7 +30,7 @@ export class ImageParticle {
     this.curElement = null
     this.curPosition = null
     this.imageCache = new Map()
-    const { resizerSelection, resizerHandleList, resizerImageContainer, resizerImage } = this.createResizerDom()
+    const { resizerSelection, resizerHandleList, resizerImageContainer, resizerImage } = this._createResizerDom()
     this.resizerSelection = resizerSelection
     this.resizerHandleList = resizerHandleList
     this.resizerImageContainer = resizerImageContainer
@@ -42,7 +42,7 @@ export class ImageParticle {
     this.curHandleIndex = 0 // 默认右下角
   }
 
-  private createResizerDom(): IImageParticleCreateResult {
+  private _createResizerDom(): IImageParticleCreateResult {
     // 拖拽边框
     const resizerSelection = document.createElement('div')
     resizerSelection.classList.add('resizer-selection')
@@ -54,7 +54,7 @@ export class ImageParticle {
       handleDom.style.background = this.options.resizerColor
       handleDom.classList.add(`handle-${i}`)
       handleDom.setAttribute('data-index', String(i))
-      handleDom.onmousedown = this.handleMousedown.bind(this)
+      handleDom.onmousedown = this._handleMousedown.bind(this)
       resizerSelection.append(handleDom)
       resizerHandleList.push(handleDom)
     }
@@ -69,7 +69,7 @@ export class ImageParticle {
     return { resizerSelection, resizerHandleList, resizerImageContainer, resizerImage }
   }
 
-  private handleMousedown(evt: MouseEvent) {
+  private _handleMousedown(evt: MouseEvent) {
     if (!this.curPosition || !this.curElement) return
     this.mousedownX = evt.x
     this.mousedownY = evt.y
@@ -88,7 +88,7 @@ export class ImageParticle {
     this.resizerImage.style.width = `${this.curElement.width}px`
     this.resizerImage.style.height = `${this.curElement.height}px`
     // 追加全局事件
-    const mousemoveFn = this.mousemove.bind(this)
+    const mousemoveFn = this._mousemove.bind(this)
     document.addEventListener('mousemove', mousemoveFn)
     document.addEventListener('mouseup', () => {
       // 改变尺寸
@@ -109,7 +109,7 @@ export class ImageParticle {
     evt.preventDefault()
   }
 
-  private mousemove(evt: MouseEvent) {
+  private _mousemove(evt: MouseEvent) {
     if (!this.curElement) return
     let dx = 0
     let dy = 0
diff --git a/src/editor/core/draw/particle/TextParticle.ts b/src/editor/core/draw/particle/TextParticle.ts
index 9a96381..d9e12ba 100644
--- a/src/editor/core/draw/particle/TextParticle.ts
+++ b/src/editor/core/draw/particle/TextParticle.ts
@@ -18,14 +18,14 @@ export class TextParticle {
   }
 
   public complete() {
-    this.render()
+    this._render()
     this.text = ''
   }
 
   public record(element: IRowElement, x: number, y: number) {
     // 主动完成的重设起始点
     if (!this.text) {
-      this.setCurXY(x, y)
+      this._setCurXY(x, y)
     }
     // 样式发生改变
     if (
@@ -33,19 +33,19 @@ export class TextParticle {
       (element.color !== this.curColor)
     ) {
       this.complete()
-      this.setCurXY(x, y)
+      this._setCurXY(x, y)
     }
     this.text += element.value
     this.curStyle = element.style
     this.curColor = element.color
   }
 
-  private setCurXY(x: number, y: number) {
+  private _setCurXY(x: number, y: number) {
     this.curX = x
     this.curY = y
   }
 
-  private render() {
+  private _render() {
     if (!this.text || !~this.curX || !~this.curX) return
     this.ctx.save()
     this.ctx.font = this.curStyle
diff --git a/src/editor/core/draw/richtext/Highlight.ts b/src/editor/core/draw/richtext/Highlight.ts
index c86bbae..89912fe 100644
--- a/src/editor/core/draw/richtext/Highlight.ts
+++ b/src/editor/core/draw/richtext/Highlight.ts
@@ -10,7 +10,7 @@ export class Highlight {
     this.options = options
   }
 
-  render(color: string, x: number, y: number, width: number, height: number) {
+  public render(color: string, x: number, y: number, width: number, height: number) {
     const { highlightAlpha } = this.options
     this.ctx.save()
     this.ctx.globalAlpha = highlightAlpha
diff --git a/src/editor/core/draw/richtext/Strikeout.ts b/src/editor/core/draw/richtext/Strikeout.ts
index 8c97a24..b22f82c 100644
--- a/src/editor/core/draw/richtext/Strikeout.ts
+++ b/src/editor/core/draw/richtext/Strikeout.ts
@@ -10,7 +10,7 @@ export class Strikeout {
     this.options = options
   }
 
-  render(x: number, y: number, width: number) {
+  public render(x: number, y: number, width: number) {
     const { strikeoutColor } = this.options
     this.ctx.save()
     this.ctx.strokeStyle = strikeoutColor
diff --git a/src/editor/core/draw/richtext/Underline.ts b/src/editor/core/draw/richtext/Underline.ts
index 7726745..da58480 100644
--- a/src/editor/core/draw/richtext/Underline.ts
+++ b/src/editor/core/draw/richtext/Underline.ts
@@ -10,7 +10,7 @@ export class Underline {
     this.options = options
   }
 
-  render(x: number, y: number, width: number) {
+  public render(x: number, y: number, width: number) {
     const { underlineColor } = this.options
     this.ctx.save()
     this.ctx.strokeStyle = underlineColor
diff --git a/src/editor/core/event/GlobalEvent.ts b/src/editor/core/event/GlobalEvent.ts
index 80eb979..8dce009 100644
--- a/src/editor/core/event/GlobalEvent.ts
+++ b/src/editor/core/event/GlobalEvent.ts
@@ -24,7 +24,7 @@ export class GlobalEvent {
     this.imageParticle = draw.getImageParticle()
   }
 
-  register() {
+  public register() {
     this.cursor = this.draw.getCursor()
     document.addEventListener('keyup', () => {
       this.setRangeStyle()
@@ -37,7 +37,7 @@ export class GlobalEvent {
     })
   }
 
-  recoverEffect(evt: MouseEvent) {
+  public recoverEffect(evt: MouseEvent) {
     if (!this.cursor) return
     const cursorDom = this.cursor.getCursorDom()
     const agentDom = this.cursor.getAgentDom()
@@ -62,11 +62,11 @@ export class GlobalEvent {
     this.imageParticle.clearResizer()
   }
 
-  setDragState() {
+  public setDragState() {
     this.canvasEvent.setIsAllowDrag(false)
   }
 
-  setRangeStyle() {
+  public setRangeStyle() {
     this.range.setRangeStyle()
   }