diff --git a/src/service/api/system.ts b/src/service/api/system.ts
index ba108a2..5c8c358 100644
--- a/src/service/api/system.ts
+++ b/src/service/api/system.ts
@@ -85,14 +85,6 @@ export function getFlowApi(data:{category:number | null,level:number | null,dura
     params: data,
   });
 }
-// 本单审批流程·审批人设置
-export function setApproverApi(id:number,data:any) {
-  return request({
-    url: `/api/changes/${id}/approval-flow`,
-    method: 'put',
-    data,
-  });
-}
 
 // 获取风险矩阵配置
 export function matrixConfigApi() {
diff --git a/src/views/details/disposal/index.vue b/src/views/details/disposal/index.vue
index 6874104..05f2f6c 100644
--- a/src/views/details/disposal/index.vue
+++ b/src/views/details/disposal/index.vue
@@ -4,7 +4,7 @@ import { Icon } from '@iconify/vue'
 import { useThemeStore } from '@/store/modules/theme';
 import { useRouterPush } from '@/hooks/common/router';
 import { useRoute } from 'vue-router';
-import { getColorWithOpacity, tagTextColor, tagBgColor, tagBorderColor, formatTimestamp, downloadFileFun } from '@/utils/common';
+import { tagTextColor, tagBgColor, tagBorderColor, formatTimestamp, downloadFileFun } from '@/utils/common';
 import { AiError, aiTypeJudge } from "@/service/api/ai";
 import { systemConfigApi, peopleListApi } from '@/service/api/system';
 import { getChangeDetailApi, urgeApi } from '@/service/api/change';
@@ -45,10 +45,18 @@ const judge = ref<string>('');
 const delayDate = ref<number | null>(null);
 // 审批流程抽屉
 const approvalDrawer = ref<boolean>(false);
-// 存储每个步骤选中的审核人 user_id
-const approvers = ref<Record<number, number[]>>({})
 const flowList = ref<any[]>([]);
 const steps = ref<any[]>([]);
+// 专业
+const SPECIALTIES = [
+  { label: '生产', value: '生产' },
+  { label: '技术', value: '技术' },
+  { label: '仪表', value: '仪表' },
+  { label: '电气', value: '电气' },
+  { label: '设备', value: '设备' },
+  { label: '安全', value: '安全' },
+  { label: '质量', value: '质量' }
+];
 // 审批链
 const approvalFlowText = computed(() => {
   if (!flowList.value || flowList.value.length === 0) return '暂无步骤'
@@ -236,28 +244,9 @@ const handleReminder = async (m: any) => {
     loading.value = false;
 }
 
-// 更新选中审批人 user_id
-const updateApprover = (stepId: number, usersId: number[]) => {
-  approvers.value[stepId] = usersId
-}
-// 匹配审批人
-function matchApprovers(steps: any[], mapping: Record<number, number[]>) {
-  const result = [];
-  for (const [stepId, usersId] of Object.entries(mapping)) {
-    const step = steps.find(s => s.id === Number(stepId));
-    if (step) {
-        const memberList = step.members.filter((m: any) => usersId.includes(m.user_id));
-        result.push({
-            members: memberList
-        })
-    }
-  }
-  return result;
-}
 // 完成设置
 const finishApprover = async () => {
-    const matched = matchApprovers(flowList.value, approvers.value);
-    steps.value = matched;
+    steps.value = flowList.value || [];
     window.$message?.success("审批流程设置完成");
     approvalDrawer.value = false;
 }
@@ -349,6 +338,7 @@ const submitDisposal = async (type: string) => {
     const result = steps.value.map(({ members }:any) => ({
         members: members.map(({ id, step_order, user_name, status, ...rest }:any) => rest)
     }));
+    loading.value = true;
     const {error} = await myTasksDisposalSubmitApi(currentId.value,{
         action: type,
         act: actType,
@@ -369,6 +359,7 @@ const submitDisposal = async (type: string) => {
             back();
         }
     }
+    loading.value = false;
 }
 
 // 获取变更详情
@@ -379,20 +370,7 @@ const getDetail = async () => {
         currentInfo.value = data;
         // ******审批流程********
         flowList.value = data?.approval_flow?.steps || [];
-        // ******默认审批人********
-        if(Object.keys(approvers.value).length === 0){
-            flowList.value.forEach((item: any) => {
-                if (item.members && item.members.length > 0) {
-                    // 优先选 is_sign=1 的成员 ，否则选第一个
-                    const defaultMembers = item.members
-                    .filter((m: any) => m.is_sign === 1)
-                    .map((m: any) => m.user_id);
-                    approvers.value[item.id] = defaultMembers.length > 0 ? defaultMembers : [item.members[0].user_id];
-                }
-            })
-        }
-        const matched = matchApprovers(flowList.value, approvers.value);
-        steps.value = matched;
+        steps.value = data?.approval_flow?.steps || [];
         // ******解析 PSSR 检查内容********
         const map = new Map();
         for (const item of currentInfo.value?.pssr?.items) {
@@ -473,22 +451,105 @@ const getConfig = async () => {
     loading.value = false;
 }
 
+// 人员数据转换
+const groupUsersByOrg = (users:any) => {
+  const orgMap = new Map(); // key: org.id, value: { id, label, children }
+  users.forEach((user:any) => {
+    const { id: userId, realname, user_departments } = user;
+    if (!user_departments || user_departments.length === 0) return;
+
+    user_departments.forEach((dept:any) => {
+      const org = dept.org;
+      if (!org || !org.id) return;
+
+      if (!orgMap.has(org.id)) {
+        orgMap.set(org.id, {
+          value: org.id,
+          label: org.label,
+          children: []
+        });
+      }
+      const targetOrg = orgMap.get(org.id);
+      // 避免同一个用户重复加入同一个组织（理论上不会发生，但做去重保护）
+      if (!targetOrg.children.some((child:any) => child.id === userId)) {
+        targetOrg.children.push({
+          value: userId.toString(),
+          label: realname,
+          user_id: userId.toString()
+        });
+      }
+    });
+  });
+  return Array.from(orgMap.values());
+}
+
 // 获取所有人员
 const getAllMembers = async () => {
   const {data,error} = await peopleListApi();
   if(!error){
-    const transformed = data.map((item:any) => ({
-      user_id: item.id,
-      user_name: item.realname,
-      full_name: item.realname + (`(${item.user_departments.map((d:any) => d.label).join(';')})`),
-      org_id: item.user_departments.map((d:any) => d.organization_id).join(';'),
-      org_name: item.user_departments.map((d:any) => d.label).join(';')
-    }));
-    memberList.value = transformed;
+    memberList.value = groupUsersByOrg(data);
   }
 }
 
+/**
+ * 在组织树中根据 user_id 查找用户信息
+ * @param {Array} tree - 组织树数据
+ * @param {string|number} targetUserId - 要查找的 user_id
+ * @returns {Object|null} - 返回 { userLabel, parentLabel, parentValue } 或 null
+ */
+function findUserInTree(tree: any[], targetUserId: string | number) {
+  for (const org of tree) {
+    const children = org.children || [];
+    for (const user of children) {
+      if (String(user.user_id) === String(targetUserId)) {
+        return {
+          user_name: user.label,
+          org_name: org.label,
+          org_id: org.value
+        };
+      }
+    }
+  }
+  return null; // 未找到
+}
+// 设置专业会签步骤
+const setStepCountersign = (target: any, v: boolean) => {
+  flowList.value.forEach((s:any) => {
+    s.countersign = s === target ? v : false;
+    if (!s.countersign) s.members.forEach((m:any) => { m.specialty = ""; m.is_sign = 0; });
+  });
+}
+// 选择专业
+const selectSpecialty = (idx: number, mIdx: number, v: string | null) => {
+  flowList.value[idx].members[mIdx].specialty = v ?? null;
+}
+// 选择是否必须参与会签
+const selectSign = (idx: number, mIdx: number, v: number) => {
+  flowList.value[idx].members[mIdx].is_sign = v;
+}
+// 当前打开人员选择器的步骤（步骤行「＋」按钮切换）
+const pickerStepId = ref<number | null>(null);
+const pick = ref<string | null>(null);
+const togglePicker = (s: any) => {
+  pickerStepId.value = pickerStepId.value === s.id ? null : s.id;
+  pick.value = null;
+}
+// 添加审批步骤人员
+const addMember = (s: any, v: string | null) => {
+  if (v && !s.members.some((m:any) => m.user_name === v)){
+    let info = findUserInTree(memberList.value, v);
+    s.members.push({ user_id: Number(v), user_name: info?.user_name || '', org_id: info?.org_id || '', org_name: info?.org_name || '', specialty: "", is_sign: 0 });
+    pick.value = null;
+    pickerStepId.value = null;
+  } 
+}
+// 删除审批步骤人员
+const delMember = (s: any, p: number) => {
+  s.members = s.members.filter((m:any) => m.user_id !== p);
+}
+
 onMounted(async () => {
+    getAllMembers();
     if(route.query && route.query.id){
         if(route.query.id){
             currentId.value = Number(route.query.id);
@@ -1009,8 +1070,8 @@ onMounted(async () => {
         :style="{ borderRadius: themeStore.themeRadius + 'px' }"
     >
         <NButton size="small" @click="approvalDrawer = true">审批流程设置</NButton>
-        <NButton size="small" @click="submitDisposal('save')">保存</NButton>
-        <NButton size="small" type="primary" @click="submitDisposal('submit')">提交</NButton>
+        <NButton size="small" :disabled="loading" @click="submitDisposal('save')">保存</NButton>
+        <NButton size="small" type="primary" :disabled="loading" @click="submitDisposal('submit')">提交</NButton>
     </div>
     <!-- 变更类型判定说明（右侧抽屉） -->
     <NDrawer v-model:show="describeDrawer" :width="576" placement="right">
@@ -1082,15 +1143,56 @@ onMounted(async () => {
             </template>
             <div class="h-full space-y-4 overflow-y-auto">
                 <p class="text-xs leading-relaxed text-slate-400">审批链：{{ approvalFlowText }}。专业会签人由申请表「涉及专业」勾选自动增减，可在此调整人选；重要变更自动追加安全审查与分管领导终批。</p>
-                <div class="rounded-lg border p-3" v-for="(item,index) in flowList" :key="item.id">
-                    <div class="mb-2 flex items-center gap-2 text-sm font-semibold text-slate-700">
-                        <NTag type="info" size="small">{{Number(index)+1}}</NTag> {{item.name}} {{item.countersign ? '（专业会签）' : ''}}
+                <div v-for="(s, idx) in flowList" :key="s.id" class="rounded-lg border border-slate-100 bg-slate-50/40 p-3">
+                    <div class="flex flex-wrap items-center gap-2">
+                        <NTag type="info" size="small">{{Number(idx)+1}}</NTag>
+                        <p class="text-sm">{{s.name}}</p>
+                        <NCheckbox :checked="s.countersign" size="small" @update:checked="(v) => setStepCountersign(s, v)">
+                            <span class="text-xs text-slate-500">专业会签步骤</span>
+                        </NCheckbox>
+                        <NButton ghost type="primary" size="tiny" @click="togglePicker(s)" title="添加预设人员" class="ml-auto">
+                            <Icon icon="ic:round-plus" class="size-16px" />
+                        </NButton>
+                    </div>
+                    <!-- 预设人员：人员必选；仅会签步骤可选择专业（必选），且人员可勾选「必须进行专业会签」 -->
+                    <div class="mt-2 flex gap-2 pl-8">
+                    <span class="shrink-0 text-xs leading-7 text-slate-400">预设人员:</span>
+                    <div class="min-w-0 flex-1 space-y-1.5">
+                        <div v-for="(m, mIdx) in s.members" :key="m.id" class="flex min-h-7 flex-wrap items-center gap-2">
+                            <span class="shrink-0 truncate text-xs font-medium text-slate-700">{{ m.user_name }}</span>
+                            <template v-if="s.countersign">
+                                <span class="text-xs text-slate-400"><span class="text-red-500">*</span>专业:</span>
+                                <NSelect :value="m.specialty || null" clearable size="small" placeholder="请选择专业" class="w-28"
+                                :options="SPECIALTIES"
+                                @update:value="(v) => selectSpecialty(Number(idx), Number(mIdx), v)"
+                                />
+                                <NCheckbox :checked="m.is_sign" size="small"
+                                :checked-value="1"
+                                :unchecked-value="0"
+                                @update:checked="(v) => selectSign(Number(idx), Number(mIdx), v)"
+                                >
+                                <span class="text-xs text-slate-500">必须参与会签</span>
+                                </NCheckbox>
+                            </template>
+                            <NButton text type="error" @click="delMember(s, m.user_id)" title="删除该人员">
+                                <Icon icon="iconamoon:trash" class="size-16px" />
+                            </NButton>
+                        </div>
+                        <p v-if="s.countersign && s.members.length" class="text-[11px] leading-5 text-slate-400">
+                        必须参与会签：勾选的人员必须参与专业会签，未勾选的人员为可选会签（按需参加）
+                        </p>
+                        <NCascader v-if="pickerStepId === s.id" :value="pick" :options="memberList"
+                        placeholder="请选择人员" size="small" check-strategy="child" :show-path="false" expand-trigger="click"
+                        class="w-56" :on-update:value="(v) => addMember(s, v)" />
+
+                        <span v-if="s.members.length === 0" class="text-xs leading-7 text-slate-300">未预设</span>
+                    </div>
                     </div>
-                    <NSelect :value="approvers[item.id]" multiple :options="memberList" label-field="full_name" value-field="user_id"
-                    @update:value="(v) => updateApprover(item.id, v)" />
                 </div>
-                <NButton v-if="flowList.length" type="primary" class="w-full" @click="finishApprover">完成设置</NButton>
             </div>
+            <template #footer>
+                <NButton v-if="flowList.length" type="primary" class="w-full" @click="finishApprover">完成设置</NButton>
+            </template>
         </NDrawerContent>
     </NDrawer>
     <!-- 附件在线预览弹窗 -->
diff --git a/src/views/my/initiateChange/modules/approvalDrawer.vue b/src/views/my/initiateChange/modules/approvalDrawer.vue
deleted file mode 100644
index 33dff21..0000000
--- a/src/views/my/initiateChange/modules/approvalDrawer.vue
+++ /dev/null
@@ -1,77 +0,0 @@
-<!-- 审批流程设置 -->
-<script setup lang="ts">
-import { computed, onMounted, reactive, ref } from 'vue';
-import { setApproverApi } from '@/service/api/system';
-
-const props = defineProps(['currentId','currentTemplate'])
-const emit = defineEmits(['finish'])
-
-const loading = ref<boolean>(false);
-// 存储每个步骤选中的审核人 user_id
-const approvers = reactive<Record<number, number>>({})
-// 审批链
-const approvalFlowText = computed(() => {
-  if (!list.value || list.value.length === 0) return '暂无步骤'
-  // 按 step_order 排序
-  const sorted = [...list.value].sort((a, b) => a.step_order - b.step_order)
-  return sorted.map(item => item.name).join(' → ')
-})
-const list = ref<any[]>(props.currentTemplate?.steps || []);
-
-// 更新选中值
-const updateApprover = (stepId: number, userId: number) => {
-  approvers[stepId] = userId
-}
-// 匹配审批人
-function matchApprovers(steps: any[], mapping: Record<number, number>) {
-  const result = [];
-  for (const [stepId, userId] of Object.entries(mapping)) {
-    const step = steps.find(s => s.id === Number(stepId));
-    if (step) {
-      const member = step.members.filter((m: any) => m.user_id === userId);
-      if (member.length > 0) {
-        result.push({
-          step_id: step.id,
-          member: member
-        });
-      }
-    }
-  }
-  return result;
-}
-// 完成设置
-const finishApprover = async () => {
-    const matched = matchApprovers(list.value, approvers);
-    loading.value = true;
-    const {error} = await setApproverApi(props.currentId,{steps: matched})
-    if(!error){
-        window.$message?.success("审批流程设置已保存");
-        emit('finish', matched, false)
-    }
-    loading.value = false;
-}
-
-onMounted(() => {
-  list.value.forEach((item: any) => {
-    if (item.members && item.members.length > 0) {
-      // 优先选 is_sign=1 的成员 ，否则选第一个
-      const defaultMember = item.members.find((m: any) => m.is_sign === 1) || item.members[0]
-      approvers[item.id] = defaultMember.user_id
-    }
-  })
-})
-</script>
-
-<template>
-<div class="h-full space-y-4 overflow-y-auto">
-    <p class="text-xs leading-relaxed text-slate-400">审批链：{{ approvalFlowText }}。专业会签人由申请表「涉及专业」勾选自动增减，可在此调整人选；重要变更自动追加安全审查与分管领导终批。</p>
-    <div class="rounded-lg border p-3" v-for="(item,index) in list" :key="item.id">
-        <div class="mb-2 flex items-center gap-2 text-sm font-semibold text-slate-700">
-            <NTag type="info" size="small">{{Number(index)+1}}</NTag> {{item.name}} {{item.countersign ? '（专业会签）' : ''}}
-        </div>
-        <NSelect :value="approvers[item.id]" :options="item.members" label-field="user_name" value-field="user_id"
-        @update:value="(v) => updateApprover(item.id, v)" />
-    </div>
-    <NButton type="primary" class="w-full" :loading="loading" @click="finishApprover">完成设置</NButton>
-</div>
-</template>
\ No newline at end of file