diff --git a/modules/EcommerceFinance/Repositories/InstallationDetailMirrorRepository.php b/modules/EcommerceFinance/Repositories/InstallationDetailMirrorRepository.php
index f7fdcf54..b6f923ea 100644
--- a/modules/EcommerceFinance/Repositories/InstallationDetailMirrorRepository.php
+++ b/modules/EcommerceFinance/Repositories/InstallationDetailMirrorRepository.php
@@ -171,11 +171,9 @@ class InstallationDetailMirrorRepository
             'detail_requested_quantity' => $value($row, 'installcount'),
             'detail_settled_amount' => $value($row, 'settleItemAmount'),
             'detail_received_amount' => $value($row, 'acceptItemAmount'),
-            'installation_company' => $value($row, 'installCompanyName'),
-            'available' => $value($row, 'isAvailable', 'available'),
-            'quote' => $value($row, 'quote'),
-            'quote_owner' => $value($row, 'quoteOwner'),
-            'quote_time' => $value($row, 'quoteTime'),
+            'change_reason' => $value($row, 'remark'),
+            'source_created_at' => $value($row, 'createTime'),
+            'source_modified_at' => $value($row, 'modifyTime'),
         ];
     }
 
diff --git a/resources/views/business/pages/show.blade.php b/resources/views/business/pages/show.blade.php
index b4e80b3a..cdc04f0f 100644
--- a/resources/views/business/pages/show.blade.php
+++ b/resources/views/business/pages/show.blade.php
@@ -718,6 +718,15 @@
                         </table>
                     </div>
 
+                    @if ($page['slug'] === 'installation-details')
+                        <section class="installation-detail-panel" data-installation-detail-panel aria-label="明细子表">
+                            <div class="biz-card-head"><div class="biz-card-title">明细子表</div></div>
+                            <div class="biz-table-wrap" data-installation-detail-content>
+                                <div class="installation-detail-empty">请点击上方主表记录查看商品明细</div>
+                            </div>
+                        </section>
+                    @endif
+
                     @if ($page['slug'] === 'installation-details')
                         <script>
                             (() => {
@@ -728,8 +737,7 @@
                                     ['item_no', '货号'], ['barcode', '条形码'], ['product_name', '商品名称'], ['supplier_name', '供应商名称'],
                                     ['detail_requested_amount', '申请明细金额'], ['detail_requested_quantity', '申请明细数量'],
                                     ['detail_settled_amount', '结算明细金额'], ['detail_received_amount', '收款明细金额'],
-                                    ['installation_company', '安装公司'], ['available', '是否可用'], ['quote', '报价'],
-                                    ['quote_owner', '报价人'], ['quote_time', '报价时间'],
+                                    ['change_reason', '变更原因'], ['source_created_at', '创建时间'], ['source_modified_at', '修改时间'],
                                 ];
                                 const escapeHtml = (value) => String(value ?? '').replace(/[&<>"']/g, (char) => ({'&':'&amp;','<':'&lt;','>':'&gt;','"':'&quot;',"'":'&#039;'}[char]));
                                 const renderDetails = (items) => {
@@ -738,30 +746,23 @@
                                     const body = items.map((item) => `<tr>${columns.map(([key]) => `<td>${escapeHtml(item[key])}</td>`).join('')}</tr>`).join('');
                                     return `<table class="installation-detail-table"><thead><tr>${head}</tr></thead><tbody>${body}</tbody></table>`;
                                 };
+                                const detailPanel = document.querySelector('[data-installation-detail-panel]');
+                                const detailContent = detailPanel?.querySelector('[data-installation-detail-content]');
                                 document.querySelectorAll('[data-installation-expand]').forEach((button) => {
                                     button.addEventListener('click', async () => {
                                         const row = button.closest('[data-installation-row]');
-                                        const existing = row.nextElementSibling;
-                                        if (existing?.matches('.installation-detail-row')) {
-                                            existing.hidden = !existing.hidden;
-                                            button.setAttribute('aria-expanded', String(!existing.hidden));
-                                            button.querySelector('.material-icons-outlined').textContent = existing.hidden ? 'chevron_right' : 'expand_more';
-                                            return;
-                                        }
-                                        const detailRow = document.createElement('tr');
-                                        detailRow.className = 'installation-detail-row';
-                                        detailRow.innerHTML = `<td colspan="{{ count($descriptor->fields) + 1 }}"><div>正在加载明细…</div></td>`;
-                                        row.after(detailRow);
+                                        if (!detailContent) return;
+                                        detailContent.innerHTML = '<div>正在加载明细…</div>';
                                         button.disabled = true;
                                         try {
                                             const response = await fetch(detailUrl.replace('__GUID__', encodeURIComponent(row.dataset.guid)), {headers: {'Accept': 'application/json'}});
                                             if (!response.ok) throw new Error('明细加载失败');
                                             const payload = await response.json();
-                                            detailRow.firstElementChild.innerHTML = renderDetails(payload.data || []);
+                                            detailContent.innerHTML = renderDetails(payload.data || []);
                                             button.setAttribute('aria-expanded', 'true');
                                             button.querySelector('.material-icons-outlined').textContent = 'expand_more';
                                         } catch (error) {
-                                            detailRow.firstElementChild.innerHTML = '<div class="installation-detail-error">明细加载失败，请稍后重试</div>';
+                                            detailContent.innerHTML = '<div class="installation-detail-error">明细加载失败，请稍后重试</div>';
                                         } finally {
                                             button.disabled = false;
                                         }