diff --git a/packages/design/src/Button.vue b/packages/design/src/Button.vue
index cb308d4c..a77c21c1 100644
--- a/packages/design/src/Button.vue
+++ b/packages/design/src/Button.vue
@@ -1,6 +1,8 @@
 <template>
   <component class="tmagic-design-button" :is="uiComponent.component" v-bind="uiProps" @click="clickHandler">
-    <slot></slot>
+    <template #default v-if="$slots.default">
+      <slot></slot>
+    </template>
   </component>
 </template>
 
diff --git a/packages/design/src/Form.vue b/packages/design/src/Form.vue
index d7a1105b..20dec0a0 100644
--- a/packages/design/src/Form.vue
+++ b/packages/design/src/Form.vue
@@ -13,7 +13,7 @@ const form = ref<any>();
 
 const props = defineProps<{
   model?: any;
-  labelWidth?: string;
+  labelWidth?: string | number;
   disabled?: boolean;
   inline?: boolean;
   labelPosition?: string;
diff --git a/packages/design/src/FormItem.vue b/packages/design/src/FormItem.vue
index 20b2eec0..7924f228 100644
--- a/packages/design/src/FormItem.vue
+++ b/packages/design/src/FormItem.vue
@@ -13,7 +13,7 @@ import { computed } from 'vue';
 import { getConfig } from './config';
 const props = defineProps<{
   prop?: string;
-  labelWidth?: string;
+  labelWidth?: string | number;
   rules?: any;
 }>();