diff --git a/pages/message/benefit-entry.vue b/pages/message/benefit-entry.vue
index 4771700..801c20e 100644
--- a/pages/message/benefit-entry.vue
+++ b/pages/message/benefit-entry.vue
@@ -21,6 +21,36 @@
         </view>
       </view>
 
+      <view class="field-group">
+        <view class="field-label">开单科室</view>
+        <view class="bill-dept-picker">
+          <uni-data-picker
+            v-model="billDeptValue"
+            :localdata="billDeptOptions"
+            popup-title="请选择开单科室"
+            placeholder="请选择开单科室"
+            :clear-icon="true"
+            @change="changeBillDept"
+          />
+        </view>
+      </view>
+      <view class="field-group">
+        <view class="field-label">开单医生</view>
+        <picker
+          :range="getBillDoctors()"
+          range-key="anotherName"
+          :disabled="!billDeptId || !getBillDoctors().length"
+          @change="changeBillDoctor"
+        >
+          <view class="project-input">
+            <text :class="billDoctorUserId ? 'value-text' : 'placeholder-text'">
+              {{ billDoctorName || (billDeptId ? "请选择开单医生" : "请先选择开单科室") }}
+            </text>
+            <uni-icons type="right" size="18" color="#999" />
+          </view>
+        </picker>
+      </view>
+
       <view class="section-title">权益项目</view>
       <view v-for="(entry, index) in entries" :id="`entry-${entry.key}`" :key="entry.key" class="entry-card">
         <template v-if="entry.isPackage">
@@ -283,7 +313,6 @@
           </scroll-view>
         </view>
       </view>
-
       <view v-if="projectPickerVisible" class="picker-mask" @click="closeProjectPicker">
         <view class="project-picker" :style="{ '--keyboard-height': `${keyboardHeight}px` }" @click.stop>
           <view class="picker-header">
@@ -364,6 +393,7 @@ import { onLoad } from "@dcloudio/uni-app";
 import api from "@/utils/api.js";
 import useAccountStore from "@/store/account.js";
 import fullPage from "@/components/full-page.vue";
+import UniDataPicker from "@/uni_modules/uni-data-picker/components/uni-data-picker/uni-data-picker.vue";
 import { TODO_EVENT_TYPE_LABELS } from "@/utils/todo-const.js";
 
 const PENDING_FOLLOWUP_SEND_STORAGE_KEY = "ykt_followup_pending_send";
@@ -378,6 +408,11 @@ const teamName = ref("");
 const corpId = ref("");
 const showBenefitAmount = ref(true);
 const staffList = ref([]);
+const billDeptOptions = ref([]);
+const billDeptId = ref("");
+const billDeptName = ref("");
+const billDoctorUserId = ref("");
+const billDoctorName = ref("");
 const entries = ref([]);
 const saving = ref(false);
 const projectPickerVisible = ref(false);
@@ -391,6 +426,7 @@ const projectHasMore = ref(true);
 const packageHasMore = ref(true);
 const projectPage = ref(1);
 const projectPageSize = 30;
+const billDeptValue = ref("");
 const VALID_YEAR_SPAN = 50;
 const validTimeRange = ref([[], [], []]);
 const validTimeIndex = ref([0, 0, 0]);
@@ -571,6 +607,10 @@ function createEntry() {
     minDiscount: 10,
     usageCount: 1,
     validTime: "",
+    billDeptId: "",
+    billDeptName: "",
+    billDoctorUserId: "",
+    billDoctorName: "",
     dept: null,
     treatmentDoctorUserId: "",
     treatmentDoctorName: "",
@@ -601,6 +641,7 @@ onLoad((options = {}) => {
   entries.value = [createEntry()];
   loadTeamContext().then(() => {
     loadCorpSettings();
+    loadBillDeptOptions();
     loadStaffList();
     loadTodoTeams();
   });
@@ -647,6 +688,22 @@ async function loadStaffList() {
   }
 }
 
+async function loadBillDeptOptions() {
+  if (!corpId.value) return;
+  try {
+    // PC 端开单科室使用 getDeptList；移动端同名方法映射到 getRealDeptList，需使用对应映射。
+    const res = await api("getTreatmentDeptList", { corpId: corpId.value }, false);
+    const list = res?.data?.list
+      || res?.data?.data?.list
+      || res?.list
+      || (Array.isArray(res?.data) ? res.data : []);
+    billDeptOptions.value = buildDeptTree(Array.isArray(list) ? list.filter((dept) => dept?._id) : []);
+  } catch (error) {
+    billDeptOptions.value = [];
+    console.error("加载开单科室失败", error);
+  }
+}
+
 async function loadTodoTeams() {
   if (!corpId.value) return;
   try {
@@ -691,6 +748,10 @@ async function loadCorpSettings() {
 }
 
 function openProjectPicker(index) {
+  if (!billDeptId.value) {
+    uni.showToast({ title: "请先选择开单科室", icon: "none" });
+    return;
+  }
   projectPickerIndex.value = index;
   projectPickerVisible.value = true;
   projectKeyword.value = "";
@@ -716,6 +777,58 @@ function normalizeProject(project = {}) {
   };
 }
 
+function changeBillDept(event) {
+  const selected = event?.detail?.value;
+  const dept = Array.isArray(selected) ? selected[selected.length - 1] : null;
+  billDeptId.value = dept?.value ? String(dept.value) : "";
+  billDeptName.value = dept?.text || dept?.deptName || "";
+  billDeptValue.value = billDeptId.value;
+  billDoctorUserId.value = "";
+  billDoctorName.value = "";
+}
+
+function getBillDoctors() {
+  if (!billDeptId.value) return [];
+  const deptId = String(billDeptId.value);
+  const allowedJobs = ["doctor", "expertDoctor", "therapist"];
+  return staffList.value.filter((staff) => {
+    const hasAllowedJob = Array.isArray(staff.job) && staff.job.some((job) => allowedJobs.includes(job));
+    const inDept = Array.isArray(staff.deptIds) && staff.deptIds.map(String).includes(deptId);
+    return hasAllowedJob && inDept;
+  });
+}
+
+function changeBillDoctor(event) {
+  const doctor = getBillDoctors()[Number(event.detail.value)] || null;
+  billDoctorUserId.value = doctor?.userid || "";
+  billDoctorName.value = doctor?.anotherName || doctor?.name || "";
+}
+
+function buildDeptTree(deptList) {
+  const deptMap = new Map();
+  const rootDepts = [];
+  (deptList || []).forEach((dept) => {
+    if (dept?._id) deptMap.set(String(dept._id), { ...dept, text: dept.deptName || dept.name || "", value: dept._id });
+  });
+  deptMap.forEach((dept) => {
+    const parent = dept.parentId && deptMap.get(String(dept.parentId));
+    if (parent) {
+      if (!parent.children) parent.children = [];
+      parent.children.push(dept);
+    } else {
+      rootDepts.push(dept);
+    }
+  });
+  const sortNodes = (nodes) =>
+    nodes
+      .sort((a, b) => Number(a.sort || 0) - Number(b.sort || 0) || String(a.deptName || "").localeCompare(String(b.deptName || ""), "zh-Hans-CN"))
+      .map((dept) => {
+        if (!dept.children?.length) return dept;
+        return { ...dept, children: sortNodes(dept.children) };
+      });
+  return sortNodes(rootDepts);
+}
+
 async function loadProjects({ reset = false } = {}) {
   if (projectLoading.value) return;
   if (!reset && !projectHasMore.value && !packageHasMore.value) return;
@@ -736,6 +849,7 @@ async function loadProjects({ reset = false } = {}) {
       projectName: projectKeyword.value.trim(),
       projectStatus: "enable",
       showDepts: true,
+      billDeptId: billDeptId.value,
     }, false), api("getProjectPackageList", {
       corpId: corpId.value,
       page,
@@ -1190,6 +1304,7 @@ function goBackToConversation() {
 }
 
 function validateEntries() {
+  if (!billDeptId.value) return "请选择开单科室";
   for (let index = 0; index < entries.value.length; index += 1) {
     const entry = entries.value[index];
     if (entry.isPackage) {
@@ -1386,6 +1501,10 @@ async function submitEntries() {
         treatmentStatus: "init",
         deductUsageCount: 0,
         billType: "门诊",
+        billDeptId: billDeptId.value,
+        billDeptName: billDeptName.value,
+        billDoctorUserId: billDoctorUserId.value,
+        billDoctorName: billDoctorName.value,
         billdCreator: userId,
         createTreatementTime: Date.now(),
         billTime: Date.now(),
@@ -1779,6 +1898,25 @@ async function submitEntries() {
   font-weight: 600;
 }
 
+.bill-dept-picker {
+  display: block;
+  min-height: 76rpx;
+  border-radius: 12rpx;
+  background: #fff;
+}
+
+.bill-dept-picker :deep(.uni-data-tree-input) {
+  min-height: 76rpx;
+}
+
+.bill-dept-picker :deep(.input-value) {
+  min-height: 76rpx;
+  box-sizing: border-box;
+  border: 1rpx solid #d1d5db;
+  border-radius: 12rpx;
+  background: #fff;
+}
+
 .project-input,
 .picker-value {
   min-height: 76rpx;