diff --git a/components-diy/diy-category-item.vue b/components-diy/diy-category-item.vue
index 68faff3..edad688 100644
--- a/components-diy/diy-category-item.vue
+++ b/components-diy/diy-category-item.vue
@@ -6,7 +6,7 @@
 		</view>
 
 		<block v-if="value.template == 99">
-			<view class="second-category-btns" :style="oneCategoryHeight > 0 ? { height: oneCategoryHeight + 'px' } : {}">
+			<view class="second-category-btns" :style="oneCategoryHeightStyle">
 				<view class="second-category-btn" 
 					v-for="(one, oneIndex) in category.child_list" 
 					:key="oneIndex"
@@ -586,6 +586,12 @@ export default {
 		 */
 		isGroupedDisplay() {
 			return this.value.template == 1 && this.value.level == 3;
+		},
+		oneCategoryHeightStyle() {
+			if (this.oneCategoryHeight > 0) {
+				return 'height:' + this.oneCategoryHeight + 'px';
+			}
+			return '';
 		}
 	},
 	created() {