diff --git a/src/plugins/icon.ts b/src/plugins/icon.ts
index e2e87e68..4a10706e 100644
--- a/src/plugins/icon.ts
+++ b/src/plugins/icon.ts
@@ -68,8 +68,6 @@ import {
   LeftTwo,
   RightTwo,
   Platte,
-  UpOne,
-  DownOne,
   Close,
   CloseSmall,
   Undo,
@@ -179,8 +177,6 @@ export const icons = {
   IconLeftTwo: LeftTwo,
   IconRightTwo: RightTwo,
   IconPlatte: Platte,
-  IconUpOne: UpOne,
-  IconDownOne: DownOne,
   IconClose: Close,
   IconCloseSmall: CloseSmall,
   IconUndo: Undo,
diff --git a/src/views/Editor/Toolbar/ElementStylePanel/TextStylePanel.vue b/src/views/Editor/Toolbar/ElementStylePanel/TextStylePanel.vue
index e95c53dd..7aecd7e7 100644
--- a/src/views/Editor/Toolbar/ElementStylePanel/TextStylePanel.vue
+++ b/src/views/Editor/Toolbar/ElementStylePanel/TextStylePanel.vue
@@ -122,14 +122,14 @@
           style="flex: 1;"
           :checked="richTextAttrs.superscript"
           @click="emitRichTextCommand('superscript')"
-        ><IconUpOne /></CheckboxButton>
+        >A²</CheckboxButton>
       </Tooltip>
       <Tooltip :mouseLeaveDelay="0" :mouseEnterDelay="0.5" title="下标">
         <CheckboxButton
           style="flex: 1;"
           :checked="richTextAttrs.subscript"
           @click="emitRichTextCommand('subscript')"
-        ><IconDownOne /></CheckboxButton>
+        >A₂</CheckboxButton>
       </Tooltip>
       <Tooltip :mouseLeaveDelay="0" :mouseEnterDelay="0.5" title="行内代码">
         <CheckboxButton