diff --git a/backend/app/schemas/product.py b/backend/app/schemas/product.py
index fe75982..b8a6961 100644
--- a/backend/app/schemas/product.py
+++ b/backend/app/schemas/product.py
@@ -78,6 +78,7 @@ class ProductScanResponse(BaseModel):
     created_at: datetime
     top_level_tasks: list[TaskSummaryResponse] = []
     task_tree: list[TaskResponse] = []
+    assignee_names: dict[str, str] = {}  # 🔧 username→中文姓名映射
 
     model_config = {"from_attributes": True}
 
diff --git a/backend/app/services/product_service.py b/backend/app/services/product_service.py
index 3cdb00f..1037646 100644
--- a/backend/app/services/product_service.py
+++ b/backend/app/services/product_service.py
@@ -108,6 +108,17 @@ async def get_product_by_serial(db: AsyncSession, serial_number: str) -> Product
     # 获取完整任务树（递归嵌套，供前端渲染十字矩阵树状图）
     task_tree = await _load_task_tree(db, product.id)
 
+    # 🔧 收集任务树中所有 assignee_id → 查中文姓名映射
+    assignee_ids: set[str] = set()
+    def _collect_ids(tasks):
+        for t in tasks:
+            if t.assignee_id: assignee_ids.add(t.assignee_id)
+            if t.child_tasks: _collect_ids(t.child_tasks)
+    for t in top_tasks:
+        if t.assignee_id: assignee_ids.add(t.assignee_id)
+    _collect_ids(task_tree)
+    assignee_names = _lookup_display_names(list(assignee_ids))
+
     return ProductScanResponse(
         id=product.id,
         serial_number=product.serial_number,
@@ -128,6 +139,7 @@ async def get_product_by_serial(db: AsyncSession, serial_number: str) -> Product
             TaskSummaryResponse.model_validate(t) for t in top_tasks
         ],
         task_tree=task_tree,
+        assignee_names=assignee_names,  # 🔧 username→中文姓名
     )
 
 
@@ -408,6 +420,53 @@ async def get_all_products(
         for row in task_result:
             macro_map[row[0]] = prio_to_status.get(row[1], None)
 
+    # 🔧 动态宏观状态：只从主干任务中获取最高优先级任务的 task_name
+    overall_names: dict[uuid.UUID, str] = {}
+    if product_ids:
+        from sqlalchemy import func as sa_func2, case as sa_case2
+        # 先找每个产品中优先级最高的主干任务ID
+        main_prio_stmt = (
+            select(
+                Task.product_id,
+                sa_func2.max(sa_case2(
+                    (Task.status == "WIP", 3),
+                    (Task.status == "PENDING", 2),
+                    (Task.status == "COMPLETED", 1),
+                    else_=0,
+                )).label("prio"),
+            )
+            .where(
+                Task.product_id.in_(product_ids),
+                sa_func2.or_(
+                    Task.parent_task_id.is_(None),
+                    Task.task_type.in_(["TRANSFER", "RECOVERY"]),
+                ),
+            )
+            .group_by(Task.product_id)
+        ).subquery()
+        # 再 join 回去拿 task_name
+        name_stmt = (
+            select(Task.product_id, Task.task_name)
+            .join(main_prio_stmt, sa_func2.and_(
+                Task.product_id == main_prio_stmt.c.product_id,
+                sa_case2(
+                    (Task.status == "WIP", 3),
+                    (Task.status == "PENDING", 2),
+                    (Task.status == "COMPLETED", 1),
+                    else_=0,
+                ) == main_prio_stmt.c.prio,
+                sa_func2.or_(
+                    Task.parent_task_id.is_(None),
+                    Task.task_type.in_(["TRANSFER", "RECOVERY"]),
+                ),
+            ))
+            .order_by(Task.created_at.desc())
+            .limit(1)
+        )
+        name_result = await db.execute(name_stmt)
+        for row in name_result:
+            overall_names[row[0]] = row[1]
+
     return [
         ProductResponse(
             id=p.id,
@@ -427,8 +486,8 @@ async def get_all_products(
                 else name_map.get(p.current_location_id) if p.current_location_id
                 else None
             ),
-            macro_status=macro_map.get(p.id) or p.status,  # 优先任务树状态，兜底产品状态
-            overall_status=p.overall_status,
+            macro_status=macro_map.get(p.id) or p.status,
+            overall_status=overall_names.get(p.id) or p.overall_status,  # 🔧 动态主干任务名优先
             status=p.status,
             created_at=p.created_at,
         )
diff --git a/frontend/src/pages/admin/AdminTasksPage.tsx b/frontend/src/pages/admin/AdminTasksPage.tsx
index 74aa112..f5c9f1b 100644
--- a/frontend/src/pages/admin/AdminTasksPage.tsx
+++ b/frontend/src/pages/admin/AdminTasksPage.tsx
@@ -413,6 +413,7 @@ export default function AdminTasksPage() {
                                   tasks={tree.task_tree}
                                   onAction={setModalTarget}
                                   currentUser={currentUser}
+                                  assigneeNames={tree.assignee_names}
                                 />
                               ) : (
                                 <div className="flex flex-col items-center justify-center py-12 text-gray-400">
diff --git a/frontend/src/types/api.ts b/frontend/src/types/api.ts
index 74f6af9..f5bf67c 100644
--- a/frontend/src/types/api.ts
+++ b/frontend/src/types/api.ts
@@ -99,4 +99,6 @@ export interface ProductScanResponse {
   top_level_tasks: TaskSummary[];
   /** 完整递归任务树 — 供十字矩阵树状图渲染 */
   task_tree: TaskResponse[];
+  /** 🔧 username→中文姓名映射 */
+  assignee_names: Record<string, string>;
 }