diff --git a/src/pages/localTool/standAutoSplit/pages/itemSplitInfo.vue b/src/pages/localTool/standAutoSplit/pages/itemSplitInfo.vue
index d8a54e3c2..62e0b2512 100644
--- a/src/pages/localTool/standAutoSplit/pages/itemSplitInfo.vue
+++ b/src/pages/localTool/standAutoSplit/pages/itemSplitInfo.vue
@@ -2652,6 +2652,14 @@ export default {
     width:50%;
     height: 50%;
   }
+  /deep/.sub{
+    vertical-align: sub;
+    font-size: small;
+  }
+  /deep/.sup{
+    vertical-align: super;
+    font-size: small;
+  }
   .preImgStyle {
     text-align: center;
     /deep/.wordImg {