diff --git a/src/builtins/Previewer/style.ts b/src/builtins/Previewer/style.ts
index 3e4ab1a..00a104c 100644
--- a/src/builtins/Previewer/style.ts
+++ b/src/builtins/Previewer/style.ts
@@ -11,6 +11,11 @@ export const useStyles = createStyles(({ css, token, prefixCls }) => {
       }
     `,
     container: css`
+      .dumi-default-table-content {
+        overflow: visible !important;
+        font-size: 14px;
+      }
+
       .dumi-default-previewer {
         position: relative;