diff --git a/src/editor/core/command/CommandAdapt.ts b/src/editor/core/command/CommandAdapt.ts
index 57168e0..2b32b27 100644
--- a/src/editor/core/command/CommandAdapt.ts
+++ b/src/editor/core/command/CommandAdapt.ts
@@ -405,7 +405,7 @@ export class CommandAdapt {
     const { startIndex, endIndex } = this.range.getRange()
     if (!~startIndex && !~endIndex) return
     const elementList = this.draw.getElementList()
-    const innerWidth = this.draw.getInnerWidth()
+    const innerWidth = this.draw.getOriginalInnerWidth()
     // colgroup
     const colgroup: IColgroup[] = []
     const colWidth = innerWidth / col
diff --git a/src/editor/core/draw/Draw.ts b/src/editor/core/draw/Draw.ts
index 494f439..6b1adb5 100644
--- a/src/editor/core/draw/Draw.ts
+++ b/src/editor/core/draw/Draw.ts
@@ -135,7 +135,7 @@ export class Draw {
     this.i18n = new I18n()
     this.historyManager = new HistoryManager()
     this.position = new Position(this)
-    this.zone = new Zone()
+    this.zone = new Zone(this)
     this.range = new RangeManager(this)
     this.margin = new Margin(this)
     this.background = new Background(this)
@@ -215,10 +215,11 @@ export class Draw {
     return Math.floor(this.getOriginalHeight() * this.options.scale)
   }
 
-  public getOriginalMainHeight(): number {
-    const mainHeight = this.getOriginalHeight()
+  public getMainHeight(): number {
+    const pageHeight = this.getHeight()
+    const margins = this.getMargins()
     const extraHeight = this.header.getExtraHeight()
-    return mainHeight - extraHeight
+    return pageHeight - margins[0] - margins[2] - extraHeight
   }
 
   public getCanvasWidth(pageNo = -1): number {
@@ -804,8 +805,9 @@ export class Draw {
         metrics.boundingBoxAscent = 0
         // 表格分页处理(拆分表格)
         const margins = this.getMargins()
-        const height = this.getOriginalMainHeight()
-        const marginHeight = margins[0] + margins[2]
+        const height = this.getHeight()
+        const headerExtraHeight = this.header.getExtraHeight()
+        const marginHeight = margins[0] + margins[2] + headerExtraHeight
         let curPagePreHeight = marginHeight
         for (let r = 0; r < rowList.length; r++) {
           const row = rowList[r]
@@ -816,7 +818,7 @@ export class Draw {
           }
         }
         // 表格高度超过页面高度
-        const rowMarginHeight = rowMargin * 2
+        const rowMarginHeight = rowMargin * 2 * scale
         if (curPagePreHeight + rowMarginHeight + elementHeight > height) {
           const trList = element.trList!
           // 计算需要移除的行数
@@ -826,7 +828,8 @@ export class Draw {
           if (trList.length > 1) {
             for (let r = 0; r < trList.length; r++) {
               const tr = trList[r]
-              if (curPagePreHeight + rowMarginHeight + preTrHeight + tr.height > height) {
+              const trHeight = tr.height * scale
+              if (curPagePreHeight + rowMarginHeight + preTrHeight + trHeight > height) {
                 // 是否跨列
                 if (element.colgroup?.length !== tr.tdList.length) {
                   deleteCount = 0
@@ -835,7 +838,7 @@ export class Draw {
               } else {
                 deleteStart = r + 1
                 deleteCount = trList.length - deleteStart
-                preTrHeight += tr.height
+                preTrHeight += trHeight
               }
             }
           }
@@ -970,9 +973,10 @@ export class Draw {
   private _computePageList(): IRow[][] {
     const pageRowList: IRow[][] = [[]]
     const { pageMode } = this.options
-    const height = this.getOriginalMainHeight()
+    const height = this.getHeight()
     const margins = this.getMargins()
-    const marginHeight = margins[0] + margins[2]
+    const headerExtraHeight = this.header.getExtraHeight()
+    const marginHeight = margins[0] + margins[2] + headerExtraHeight
     let pageHeight = marginHeight
     let pageNo = 0
     if (pageMode === PageMode.CONTINUITY) {
diff --git a/src/editor/core/draw/frame/Header.ts b/src/editor/core/draw/frame/Header.ts
index cfa9951..e4778fa 100644
--- a/src/editor/core/draw/frame/Header.ts
+++ b/src/editor/core/draw/frame/Header.ts
@@ -56,11 +56,11 @@ export class Header {
   }
 
   private _computePositionList() {
-    const { header: { top } } = this.options
+    const headerTop = this.getHeaderTop()
     const innerWidth = this.draw.getInnerWidth()
     const margins = this.draw.getMargins()
     const startX = margins[3]
-    const startY = top
+    const startY = headerTop
     this.position.computePageRowPosition({
       positionList: this.positionList,
       rowList: this.rowList,
@@ -72,9 +72,14 @@ export class Header {
     })
   }
 
+  public getHeaderTop(): number {
+    const { header: { top }, scale } = this.options
+    return Math.floor(top * scale)
+  }
+
   public getMaxHeight(): number {
     const { header: { maxHeightRadio } } = this.options
-    const height = this.draw.getOriginalHeight()
+    const height = this.draw.getHeight()
     return Math.floor(height * maxHeightRadioMapping[maxHeightRadio])
   }
 
@@ -89,10 +94,10 @@ export class Header {
   }
 
   public getExtraHeight(): number {
-    const { header: { top: headerTop } } = this.options
     // 页眉上边距 + 实际高 - 页面上边距
-    const margins = this.draw.getOriginalMargins()
+    const margins = this.draw.getMargins()
     const headerHeight = this.getHeight()
+    const headerTop = this.getHeaderTop()
     const extraHeight = headerTop + headerHeight - margins[0]
     return extraHeight <= 0 ? 0 : extraHeight
   }
diff --git a/src/editor/core/event/handlers/click.ts b/src/editor/core/event/handlers/click.ts
index bf7decd..75fe92c 100644
--- a/src/editor/core/event/handlers/click.ts
+++ b/src/editor/core/event/handlers/click.ts
@@ -12,12 +12,6 @@ function dblclick(host: CanvasEvent, evt: MouseEvent) {
   })
   if (!~positionContext.index && positionContext.zone) {
     draw.getZone().setZone(positionContext.zone)
-    draw.getRange().clearRange()
-    draw.render({
-      isSubmitHistory: false,
-      isSetCursor: false,
-      isCompute: false
-    })
     return
   }
   // 自动扩选文字