diff --git a/packages/tdesign-vue-next-adapter/src/index.ts b/packages/tdesign-vue-next-adapter/src/index.ts
index 6a01a232..4dbe223f 100644
--- a/packages/tdesign-vue-next-adapter/src/index.ts
+++ b/packages/tdesign-vue-next-adapter/src/index.ts
@@ -354,7 +354,7 @@ const adapter: any = {
         labelWidth: props.labelWidth,
         name: props.prop,
         rules: props.rules,
-        help: () => h('div', { innerHTML: props.extra }),
+        help: props.extra ? () => h('div', { innerHTML: props.extra }) : undefined,
         labelAlign: props.labelPosition,
       }),
     },