diff --git a/apps/frontend/src/components/admin/ConsignmentTemplateCopyModal.tsx b/apps/frontend/src/components/admin/ConsignmentTemplateCopyModal.tsx
index 7ee49418..aff74e81 100644
--- a/apps/frontend/src/components/admin/ConsignmentTemplateCopyModal.tsx
+++ b/apps/frontend/src/components/admin/ConsignmentTemplateCopyModal.tsx
@@ -31,7 +31,9 @@ type TemplateOption = {
 }
 
 type TemplateTreeNode = {
-  key: string
+  // rc-tree 以节点的 value 作为内部 key（fieldNames.key 默认指向 value），
+  // 自定义 key 必须与 value 完全一致，否则 treeExpandedKeys 无法命中。
+  key: number
   value: number
   title: string
   selectable: boolean
@@ -188,7 +190,7 @@ export default function ConsignmentTemplateCopyModal({
       const root = group.root
       const rootLabel = root?.label || group.groupName || '未命名分类'
       const childNodes: TemplateTreeNode[] = group.children.map((option) => ({
-        key: `child-${option.value}`,
+        key: option.value,
         value: option.value,
         title: option.label,
         selectable: true,
@@ -199,7 +201,7 @@ export default function ConsignmentTemplateCopyModal({
       if (root && childNodes.length === 0) {
         return [
           {
-            key: `root-${root.value}`,
+            key: root.value,
             value: root.value,
             title: root.label,
             selectable: true,
@@ -212,7 +214,7 @@ export default function ConsignmentTemplateCopyModal({
       if (!root) {
         if (childNodes.length === 0) return []
         const groupNode: TemplateTreeNode = {
-          key: `group-${group.groupCategoryId}`,
+          key: -group.groupCategoryId,
           value: -group.groupCategoryId,
           title: rootLabel,
           selectable: false,
@@ -224,7 +226,7 @@ export default function ConsignmentTemplateCopyModal({
       }
       return [
         {
-          key: `group-${group.groupCategoryId}`,
+          key: root.value,
           value: root.value,
           title: root.label,
           selectable: !root.disabled,
@@ -237,7 +239,7 @@ export default function ConsignmentTemplateCopyModal({
     })
   }, [options, categoryNames])
   const treeGroupKeys = useMemo(
-    () => treeData.filter((node) => node.children?.length).map((node) => node.key),
+    () => treeData.filter((node) => node.children?.length).map((node) => node.value),
     [treeData],
   )
 
diff --git a/apps/frontend/src/pages/admin/panels/ConsignmentInventoryPanel.tsx b/apps/frontend/src/pages/admin/panels/ConsignmentInventoryPanel.tsx
index 02d94d5c..fdf73f37 100644
--- a/apps/frontend/src/pages/admin/panels/ConsignmentInventoryPanel.tsx
+++ b/apps/frontend/src/pages/admin/panels/ConsignmentInventoryPanel.tsx
@@ -127,7 +127,9 @@ function resolveGiftEvidenceEmptyText(record: {
 }
 
 type InventoryFilterTreeNode = {
-  key: string
+  // rc-tree 以节点的 value 作为内部 key（fieldNames.key 默认指向 value），
+  // 自定义 key 必须与 value 完全一致，否则 treeExpandedKeys 无法命中。
+  key: number
   value: number
   title: string
   selectable: boolean
@@ -217,7 +219,7 @@ export default function ConsignmentInventoryPanel() {
       const root = group.root
       const rootLabel = root?.name || group.groupName || '未命名分类'
       const childNodes: InventoryFilterTreeNode[] = group.children.map((item) => ({
-        key: `child-${item.categoryId}`,
+        key: item.categoryId,
         value: item.categoryId,
         title: item.name,
         selectable: true,
@@ -227,7 +229,7 @@ export default function ConsignmentInventoryPanel() {
       if (root && childNodes.length === 0) {
         return [
           {
-            key: `root-${root.categoryId}`,
+            key: root.categoryId,
             value: root.categoryId,
             title: rootLabel,
             selectable: true,
@@ -239,7 +241,7 @@ export default function ConsignmentInventoryPanel() {
       if (!root) {
         if (childNodes.length === 0) return []
         const groupNode: InventoryFilterTreeNode = {
-          key: `group-${group.groupCategoryId}`,
+          key: -group.groupCategoryId,
           value: -group.groupCategoryId,
           title: rootLabel,
           selectable: false,
@@ -251,7 +253,7 @@ export default function ConsignmentInventoryPanel() {
       }
       return [
         {
-          key: `group-${group.groupCategoryId}`,
+          key: root.categoryId,
           value: root.categoryId,
           title: rootLabel,
           selectable: true,
@@ -264,7 +266,7 @@ export default function ConsignmentInventoryPanel() {
     })
   }, [filterCategories])
   const categoryGroupKeys = useMemo(
-    () => categoryTreeData.filter((node) => node.children?.length).map((node) => node.key),
+    () => categoryTreeData.filter((node) => node.children?.length).map((node) => node.value),
     [categoryTreeData],
   )
   useEffect(() => {
diff --git a/apps/frontend/src/pages/worker/WorkerConsignmentPage.tsx b/apps/frontend/src/pages/worker/WorkerConsignmentPage.tsx
index 4abd37a6..1334a2c9 100644
--- a/apps/frontend/src/pages/worker/WorkerConsignmentPage.tsx
+++ b/apps/frontend/src/pages/worker/WorkerConsignmentPage.tsx
@@ -154,7 +154,7 @@ function orderWorkerProfiles(profiles: WorkerConsignmentProfile[]): WorkerConsig
 }
 
 type WorkerProfileTreeNode = {
-  key: string
+  key: number
   value: number
   title: string
   selectable: boolean
@@ -271,7 +271,7 @@ export default function WorkerConsignmentPage() {
         ? root.tabTitle || root.categoryName || root.name
         : group.groupName || '未命名分类'
       const childNodes: WorkerProfileTreeNode[] = group.children.map((child) => ({
-        key: `child-${child.profileId}`,
+        key: child.profileId,
         value: child.profileId,
         title: child.tabTitle || child.categoryName || child.name,
         selectable: true,
@@ -281,7 +281,7 @@ export default function WorkerConsignmentPage() {
       if (root && childNodes.length === 0) {
         return [
           {
-            key: `root-${root.profileId}`,
+            key: root.profileId,
             value: root.profileId,
             title: rootLabel,
             selectable: true,
@@ -293,7 +293,7 @@ export default function WorkerConsignmentPage() {
       if (!root) {
         if (childNodes.length === 0) return []
         const groupNode: WorkerProfileTreeNode = {
-          key: `group-${group.groupCategoryId}`,
+          key: -group.groupCategoryId,
           value: -group.groupCategoryId,
           title: rootLabel,
           selectable: false,
@@ -305,7 +305,7 @@ export default function WorkerConsignmentPage() {
       }
       return [
         {
-          key: `group-${group.groupCategoryId}`,
+          key: root.profileId,
           value: root.profileId,
           title: rootLabel,
           selectable: true,
@@ -318,7 +318,7 @@ export default function WorkerConsignmentPage() {
     })
   }, [orderedConsignmentProfiles])
   const profileGroupKeys = useMemo(
-    () => profileTreeData.filter((node) => node.children?.length).map((node) => node.key),
+    () => profileTreeData.filter((node) => node.children?.length).map((node) => node.value),
     [profileTreeData],
   )
   useEffect(() => {
diff --git a/apps/frontend/tests/consignment-matching-config.test.ts b/apps/frontend/tests/consignment-matching-config.test.ts
index 1cb7a614..c454a4b5 100644
--- a/apps/frontend/tests/consignment-matching-config.test.ts
+++ b/apps/frontend/tests/consignment-matching-config.test.ts
@@ -155,6 +155,10 @@ test('寄卖配置：规格字段与联系方式区块提供复制模板配置
     '来源树默认必须展开二级',
   )
   assert.ok(modal.includes('treeTitleRender'), '来源树必须自定义层级标题')
+  assert.ok(
+    !modal.includes('key: `') && modal.includes('.map((node) => node.value)'),
+    '展开键必须来自节点 value（rc-tree 内部 key 即 value），否则默认展开失效',
+  )
 })
 
 test('打手端：寄卖分类按一二级层级展示', () => {
@@ -168,6 +172,10 @@ test('打手端：寄卖分类按一二级层级展示', () => {
     '默认必须展开二级',
   )
   assert.ok(page.includes('treeTitleRender'), '必须自定义层级标题')
+  assert.ok(
+    !page.includes('key: `') && page.includes('.map((node) => node.value)'),
+    '展开键必须来自节点 value（rc-tree 内部 key 即 value），否则默认展开失效',
+  )
   assert.ok(page.includes('二级'), '二级分类必须有层级标签')
 })
 
@@ -180,5 +188,9 @@ test('寄售仓库：寄卖分类筛选按一二级层级展示', () => {
     '默认必须展开二级',
   )
   assert.ok(panel.includes('treeTitleRender'), '必须自定义层级标题')
+  assert.ok(
+    !panel.includes('key: `') && panel.includes('.map((node) => node.value)'),
+    '展开键必须来自节点 value（rc-tree 内部 key 即 value），否则默认展开失效',
+  )
   assert.ok(panel.includes('继承'), '继承型二级分类必须有继承标记')
 })