diff --git a/src/editor/core/event/CanvasEvent.ts b/src/editor/core/event/CanvasEvent.ts
index af174ed..091f51f 100644
--- a/src/editor/core/event/CanvasEvent.ts
+++ b/src/editor/core/event/CanvasEvent.ts
@@ -359,6 +359,7 @@ export class CanvasEvent {
       }
       this.range.setRange(curIndex, curIndex)
       this.draw.render({ curIndex })
+      evt.preventDefault()
     } else if (evt.key === KeyMap.Left) {
       if (isReadonly) return
       if (index > 0) {
diff --git a/src/editor/core/range/RangeManager.ts b/src/editor/core/range/RangeManager.ts
index 4d8e778..ba3e487 100644
--- a/src/editor/core/range/RangeManager.ts
+++ b/src/editor/core/range/RangeManager.ts
@@ -56,7 +56,7 @@ export class RangeManager {
     this.range.isCrossRowCol = !!(startTdIndex || endTdIndex || startTrIndex || endTrIndex)
     // 激活控件
     const control = this.draw.getControl()
-    if (~startIndex && ~endIndex && startIndex === startIndex) {
+    if (~startIndex && ~endIndex) {
       const elementList = this.draw.getElementList()
       const element = elementList[startIndex]
       if (element?.type === ElementType.CONTROL) {