diff --git a/src/views/purchase/purchasingrequisition/bidfile-audit.vue b/src/views/purchase/purchasingrequisition/bidfile-audit.vue
index 6bbee4a..e43a639 100644
--- a/src/views/purchase/purchasingrequisition/bidfile-audit.vue
+++ b/src/views/purchase/purchasingrequisition/bidfile-audit.vue
@@ -202,13 +202,28 @@
 
 				<!-- 指定一人 -->
 				<el-form-item v-if="representorSelectMode === 'designate'" label="选择参与人">
-					<el-select v-model="selectedRepresentor" placeholder="请选择参与人" filterable :disabled="isViewMode" style="width: 300px">
+					<el-select
+						v-model="selectedRepresentor"
+						placeholder="请输入姓名或工号搜索"
+						filterable
+						remote
+						clearable
+						reserve-keyword
+						:remote-method="searchRepresentor"
+						:loading="representorLoading"
+						:disabled="isViewMode"
+						style="width: 400px"
+						@change="onRepresentorChange"
+					>
 						<el-option
-							v-for="member in deptMembers"
-							:key="member.teacherNo"
-							:label="`${member.realName} (${member.teacherNo})`"
-							:value="member.teacherNo"
-						/>
+							v-for="item in representorOptions"
+							:key="item.teacherNo"
+							:label="(item.commonDeptName ? item.commonDeptName + ' - ' : '') + (item.realName || item.name) + ' (' + item.teacherNo + ')'"
+							:value="item.teacherNo"
+						>
+							<span>{{ item.commonDeptName ? item.commonDeptName + ' - ' : '' }}{{ item.realName || item.name }}</span>
+							<span style="color: #999; font-size: 12px; margin-left: 8px">{{ item.teacherNo }}</span>
+						</el-option>
 					</el-select>
 				</el-form-item>
 
@@ -216,18 +231,27 @@
 				<el-form-item v-if="representorSelectMode === 'random'" label="选择候选人">
 					<el-select
 						v-model="randomCandidates"
-						placeholder="请选择参与随机抽取的人员（可多选）"
+						placeholder="请输入姓名或工号搜索并选择参与随机抽取的人员（可多选）"
 						multiple
 						filterable
+						remote
+						clearable
+						reserve-keyword
+						:remote-method="searchCandidates"
+						:loading="candidatesLoading"
 						:disabled="isViewMode"
 						style="width: 400px"
+						@change="onCandidatesChange"
 					>
 						<el-option
-							v-for="member in deptMembers"
-							:key="member.teacherNo"
-							:label="`${member.realName} (${member.teacherNo})`"
-							:value="member.teacherNo"
-						/>
+							v-for="item in candidatesOptions"
+							:key="item.teacherNo"
+							:label="(item.commonDeptName ? item.commonDeptName + ' - ' : '') + (item.realName || item.name) + ' (' + item.teacherNo + ')'"
+							:value="item.teacherNo"
+						>
+							<span>{{ item.commonDeptName ? item.commonDeptName + ' - ' : '' }}{{ item.realName || item.name }}</span>
+							<span style="color: #999; font-size: 12px; margin-left: 8px">{{ item.teacherNo }}</span>
+						</el-option>
 					</el-select>
 					<el-button
 						type="primary"
@@ -283,7 +307,7 @@ import {
 } from '/@/api/purchase/bidfile';
 import { getRequirementFiles } from '/@/api/purchase/purchasingfiles';
 import { currElTabIsSave } from '/@/api/order/order-key-vue';
-import { getDeptMembers, randomSelectRepresentor } from '/@/api/purchase/purchasingrequisition';
+import { searchTeachers, randomSelectRepresentor } from '/@/api/purchase/purchasingrequisition';
 
 // ==================== Props & Emits ====================
 
@@ -407,9 +431,11 @@ const flowTarget = ref<string>('');
 
 // 部门参与人选择相关（部门负责人审核时使用）
 const representorSelectMode = ref<'designate' | 'random'>('designate');
-const deptMembers = ref<any[]>([]);
-const deptMembersLoading = ref(false);
+const representorOptions = ref<any[]>([]);
+const representorLoading = ref(false);
 const selectedRepresentor = ref<string>('');
+const candidatesOptions = ref<any[]>([]);
+const candidatesLoading = ref(false);
 const randomCandidates = ref<string[]>([]);
 const currentRepresentor = ref<any>(null);
 const representorType = ref<string>('purchase_rep');
@@ -698,19 +724,59 @@ const registerFlowCallbacks = () => {
 
 // ==================== 部门参与人选择 ====================
 
-const loadDeptMembers = async () => {
-	if (!showRepresentorSection.value) return;
-
+const searchRepresentor = async (query: string) => {
+	if (!query) {
+		representorOptions.value = [];
+		return;
+	}
+	representorLoading.value = true;
 	try {
-		deptMembersLoading.value = true;
-		const res = await getDeptMembers();
-		if (res.code === 0 && res.data) {
-			deptMembers.value = res.data;
-		}
-	} catch (e: any) {
-		ElMessage.error(e?.msg || '加载部门人员失败');
+		const res = await searchTeachers(query);
+		representorOptions.value = res?.data || [];
+	} catch (_) {
+		representorOptions.value = [];
 	} finally {
-		deptMembersLoading.value = false;
+		representorLoading.value = false;
+	}
+};
+
+const onRepresentorChange = (teacherNo: string) => {
+	if (!teacherNo) {
+		selectedRepresentor.value = '';
+	}
+};
+
+const searchCandidates = async (query: string) => {
+	if (!query) {
+		candidatesOptions.value = [];
+		return;
+	}
+	candidatesLoading.value = true;
+	try {
+		const res = await searchTeachers(query);
+		candidatesOptions.value = res?.data || [];
+	} catch (_) {
+		candidatesOptions.value = [];
+	} finally {
+		candidatesLoading.value = false;
+	}
+};
+
+const onCandidatesChange = (teacherNos: string[]) => {
+	// 保留已选中的选项，防止清空搜索时选项丢失
+	const selectedMap = new Map<string, any>();
+	randomCandidates.value.forEach((no) => {
+		const existing = candidatesOptions.value.find((item) => item.teacherNo === no);
+		if (existing) {
+			selectedMap.set(no, existing);
+		}
+	});
+	// 如果新选中的选项中有不在当前选项列表中的，需要从之前的结果中找
+	if (teacherNos.length > 0 && currentRepresentor.value) {
+		const currentNo = currentRepresentor.value.teacherNo;
+		if (teacherNos.includes(currentNo)) {
+			selectedMap.set(currentNo, currentRepresentor.value);
+		}
 	}
 };
 
@@ -744,9 +810,6 @@ onMounted(async () => {
 	if (isAgent.value) {
 		await loadRequirementFiles();
 	}
-	if (showRepresentorSection.value) {
-		await loadDeptMembers();
-	}
 	registerFlowCallbacks();
 });
 
@@ -759,9 +822,6 @@ watch(
 			if (isAgent.value) {
 				await loadRequirementFiles();
 			}
-			if (showRepresentorSection.value) {
-				await loadDeptMembers();
-			}
 			registerFlowCallbacks();
 		}
 	},