diff --git a/pages_goods/_components/goods-detail-view/detail.js b/pages_goods/_components/goods-detail-view/detail.js
index f8a2566..24c3466 100644
--- a/pages_goods/_components/goods-detail-view/detail.js
+++ b/pages_goods/_components/goods-detail-view/detail.js
@@ -90,16 +90,17 @@ export default {
 			}
 		},
 		// 跟随 goodsSkuDetail 变化重新决定默认 Tab
-		// 解决 refreshGoodsSkuDetail 后续合并 pdf_url 时,Tab 已显示但 detailTab 仍为 'html' 的问题
+		// 默认展示排在前面的「商品详情」, 只有在没有图文详情、仅有说明书(pdf_url)时才默认选中说明书;
+		// 同时解决 refreshGoodsSkuDetail 后续合并数据时,Tab 已显示但 detailTab 未跟上的问题
 		goodsSkuDetail: {
 			deep: true,
 			immediate: true,
 			handler(newVal) {
 				if (!newVal) return;
-				if (newVal.pdf_url) {
-					this.detailTab = 'pdf';
-				} else if (newVal.goods_content) {
+				if (this.hasHtmlTab) {
 					this.detailTab = 'html';
+				} else if (newVal.pdf_url) {
+					this.detailTab = 'pdf';
 				}
 			}
 		}
diff --git a/pages_goods/_components/goods-detail-view/goods-detail-view.vue b/pages_goods/_components/goods-detail-view/goods-detail-view.vue
index c7a9fc8..0a72eab 100644
--- a/pages_goods/_components/goods-detail-view/goods-detail-view.vue
+++ b/pages_goods/_components/goods-detail-view/goods-detail-view.vue
@@ -386,14 +386,15 @@
                 <!-- 商品详情 -->
                 <view v-if="hasDetailContent" class="goods-detail-tab">
                     <view class="detail-tab">
-                        <view v-if="goodsSkuDetail.pdf_url" class="tab-item"
-                            :class="{ active: detailTab === 'pdf' }" @click="switchDetailTab('pdf')">
-                            <text class="tab-label">{{ $lang('goods.detail.document') }}</text>
-                        </view>
+                        <!-- 商品详情 在前, 产品说明书(文档详情) 在后 -->
                         <view v-if="hasHtmlTab" class="tab-item"
                             :class="{ active: detailTab === 'html' }" @click="switchDetailTab('html')">
                             <text class="tab-label">{{ $lang('goods.detail.details') }}</text>
                         </view>
+                        <view v-if="goodsSkuDetail.pdf_url" class="tab-item"
+                            :class="{ active: detailTab === 'pdf' }" @click="switchDetailTab('pdf')">
+                            <text class="tab-label">{{ $lang('goods.detail.document') }}</text>
+                        </view>
                     </view>
                     <view class="detail-content active">
                         <!-- PDF文档 -->