diff --git a/src/views/product/components/TopicFormModal.vue b/src/views/product/components/TopicFormModal.vue
index af07567e..a15fc823 100644
--- a/src/views/product/components/TopicFormModal.vue
+++ b/src/views/product/components/TopicFormModal.vue
@@ -32,7 +32,7 @@ const [registerForm, { setFieldsValue, validate }] = useForm({
       component: 'Input',
       rules: [
         // eslint-disable-next-line no-template-curly-in-string
-        { pattern: /\/\$\{.+?\}\//, message: h('span', 'Topic必须包含/${deviceSn}/占位符') },
+        { pattern: /\/\$\{deviceSn}\//, message: h('span', 'Topic必须包含/${deviceSn}/占位符') },
       ],
       dynamicDisabled: () => isUpdate.value,
     },