diff --git a/frontend/src/pages/admin/AdminDashboard.tsx b/frontend/src/pages/admin/AdminDashboard.tsx
index 953e884..95ddee2 100644
--- a/frontend/src/pages/admin/AdminDashboard.tsx
+++ b/frontend/src/pages/admin/AdminDashboard.tsx
@@ -8,8 +8,8 @@ import { useNavigate } from "react-router-dom";
 import { Radio, DatePicker, Drawer, Input } from "antd";
 import dayjs, { type Dayjs } from "dayjs";
 import {
-  fetchDashboardStats, fetchWipTasks, fetchDashboardMessages, fetchCompletedTasks, fetchRejectedTasks, fetchUserOperations,
-  type DashboardStats, type WipTask, type ProductMessageItem, type CompletedTask, type RejectedTask, type UserOperation,
+  fetchDashboardStats, fetchWipTasks, fetchDashboardMessages, fetchCompletedTasks, fetchRejectedTasks, fetchUserOperations, fetchOperationDetail,
+  type DashboardStats, type WipTask, type ProductMessageItem, type CompletedTask, type RejectedTask, type UserOperation, type OperationDetail,
 } from "../../services/dashboardApi";
 
 const { RangePicker } = DatePicker;
@@ -276,6 +276,11 @@ export default function AdminDashboard() {
   const [opLoading, setOpLoading] = useState(false);
   const [opFilterUsers, setOpFilterUsers] = useState<Set<string>>(new Set()); // 多选人员，空 = 全部
   const [opSort, setOpSort] = useState<{ key: string; order: "asc" | "desc" } | null>(null);
+  // 操作明细下钻
+  const [opDetailOpen, setOpDetailOpen] = useState(false);
+  const [opDetailList, setOpDetailList] = useState<OperationDetail[]>([]);
+  const [opDetailLoading, setOpDetailLoading] = useState(false);
+  const [opDetailTitle, setOpDetailTitle] = useState("");
 
   const navigate = useNavigate();
 
@@ -369,6 +374,18 @@ export default function AdminDashboard() {
     });
   };
 
+  // 点击数字下钻查看明细
+  const openOpDetail = (user: UserOperation, actionType: string, label: string) => {
+    setOpDetailOpen(true);
+    setOpDetailTitle(`${user.user_name} · ${label}`);
+    setOpDetailLoading(true);
+    const { since, until } = rangeToParams(dateKey, customRange);
+    fetchOperationDetail(user.user_id, actionType, since, until)
+      .then(setOpDetailList)
+      .catch(() => setOpDetailList([]))
+      .finally(() => setOpDetailLoading(false));
+  };
+
   const onMsgSearch = (value: string) => {
     setMsgKeyword(value);
     loadMessages(value);
@@ -776,9 +793,15 @@ export default function AdminDashboard() {
                       <tr key={u.user_id} className="border-b border-gray-50 last:border-0 hover:bg-gray-50/50">
                         <td className="py-2 pr-3 text-xs text-gray-400">{idx + 1}</td>
                         <td className="py-2 pr-3 font-medium text-gray-800">{u.user_name}</td>
-                        <td className="py-2 pr-3 text-right text-gray-600">{u.receive_count}</td>
-                        <td className="py-2 pr-3 text-right text-gray-600">{u.transfer_count}</td>
-                        <td className="py-2 pr-3 text-right text-gray-600">{u.record_count}</td>
+                        <td className="py-2 pr-3 text-right">
+                          <button onClick={() => openOpDetail(u, "receive", "接收")} className="cursor-pointer text-blue-600 hover:text-blue-800 hover:underline">{u.receive_count}</button>
+                        </td>
+                        <td className="py-2 pr-3 text-right">
+                          <button onClick={() => openOpDetail(u, "transfer", "转交")} className="cursor-pointer text-blue-600 hover:text-blue-800 hover:underline">{u.transfer_count}</button>
+                        </td>
+                        <td className="py-2 pr-3 text-right">
+                          <button onClick={() => openOpDetail(u, "record", "上传备注")} className="cursor-pointer text-blue-600 hover:text-blue-800 hover:underline">{u.record_count}</button>
+                        </td>
                         <td className="py-2 text-right font-bold text-blue-600">{u.total}</td>
                       </tr>
                     ))}
@@ -789,6 +812,39 @@ export default function AdminDashboard() {
           })()
         )}
       </Drawer>
+
+      {/* ═══ 操作明细抽屉 ═══ */}
+      <Drawer
+        title={<span className="text-base font-bold">📋 {opDetailTitle} <span className="font-normal text-gray-400">{opDetailList.length} 条</span></span>}
+        open={opDetailOpen}
+        onClose={() => setOpDetailOpen(false)}
+        size="large"
+        styles={{ body: { padding: 16, background: "#f8fafc" } }}
+      >
+        {opDetailLoading ? (
+          <div className="flex items-center justify-center py-20">
+            <Loader2 className="h-6 w-6 animate-spin text-blue-500" />
+          </div>
+        ) : opDetailList.length === 0 ? (
+          <div className="py-16 text-center text-sm text-gray-400">该时段暂无相关记录</div>
+        ) : (
+          <div>
+            {opDetailList.map((d, i) => (
+              <div key={i} className="mb-2 rounded-lg border border-gray-100 bg-white px-4 py-3 shadow-sm">
+                <div className="flex items-center justify-between">
+                  <span className="text-sm font-semibold text-gray-800">{d.task_name}</span>
+                  <span className="shrink-0 text-xs text-gray-400">{d.time ? dayjs(d.time).format("YYYY-MM-DD HH:mm") : ""}</span>
+                </div>
+                {d.remark && <p className="mt-1 text-xs leading-relaxed text-gray-600">{d.remark}</p>}
+                <div className="mt-1.5 text-[11px] text-gray-400">
+                  <span>{d.material_name || "未知设备"}</span>
+                  {d.product_sn && <span className="ml-2 font-mono">身份证: {d.product_sn}</span>}
+                </div>
+              </div>
+            ))}
+          </div>
+        )}
+      </Drawer>
     </div>
   );
 }
diff --git a/frontend/src/services/dashboardApi.ts b/frontend/src/services/dashboardApi.ts
index 5ae7154..dc81be3 100644
--- a/frontend/src/services/dashboardApi.ts
+++ b/frontend/src/services/dashboardApi.ts
@@ -63,6 +63,14 @@ export interface UserOperation {
   total: number;
 }
 
+export interface OperationDetail {
+  task_name: string;
+  product_sn: string;
+  material_name: string;
+  remark: string | null;
+  time: string;
+}
+
 export interface PersonDevice {
   product_id: string;
   serial_number: string;
@@ -159,6 +167,16 @@ export async function fetchUserOperations(since?: string, until?: string): Promi
   return data;
 }
 
+export async function fetchOperationDetail(
+  userId: string, actionType: string, since?: string, until?: string,
+): Promise<OperationDetail[]> {
+  const params: Record<string, string> = { user_id: userId, action_type: actionType };
+  if (since) params.since = since;
+  if (until) params.until = until;
+  const { data } = await api.get<OperationDetail[]>("/dashboard/user-operations/detail", { params });
+  return data;
+}
+
 export async function fetchPeopleWorkload(): Promise<PersonWorkload[]> {
   const { data } = await api.get<PersonWorkload[]>("/dashboard/people-workload");
   return data;