预览样式修改

src/components/PreviewBody/index.less

@@ -91,6 +91,10 @@ table{
 }
 .assistTableTdSec {
   width: 16%;
+  position: relative;
+  img {
+    top: 6px;
+  }
 }
 .assistTableTdTrd {
   width: 24%;