diff --git a/src/views/oa/crm/businessTripApply/edit.vue b/src/views/oa/crm/businessTripApply/edit.vue
index 264b1fd..87e620c 100644
--- a/src/views/oa/crm/businessTripApply/edit.vue
+++ b/src/views/oa/crm/businessTripApply/edit.vue
@@ -56,7 +56,7 @@
           </el-col>
 
           <!-- 总体事由 -->
-          <el-col :span="12">
+          <el-col :span="12" v-if="form.tripType !== '2' && form.tripType !== '3'">
             <el-form-item label="出差事由" prop="tripReason">
               <el-input
                 v-model="form.tripReason"
@@ -75,8 +75,8 @@
                 v-model="form.startTime"
                 type="date"
                 value-format="YYYY-MM-DD"
-                placeholder="由明细自动计算"
-                :disabled="true"
+                placeholder="请选择开始日期"
+                :disabled="isFormDisabled"
                 style="width: 100%"
               />
             </el-form-item>
@@ -87,8 +87,8 @@
                 v-model="form.endTime"
                 type="date"
                 value-format="YYYY-MM-DD"
-                placeholder="由明细自动计算"
-                :disabled="true"
+                placeholder="请选择结束日期"
+                :disabled="isFormDisabled"
                 style="width: 100%"
               />
             </el-form-item>
@@ -280,25 +280,9 @@
         </el-table-column>
 
         <el-table-column prop="startTime" width="170">
-          <template #header> <span style="color: #f56c6c; margin-right: 4px">*</span>开始日期 </template>
+          <template #header> 开始日期 </template>
           <template #default="scope">
-            <el-form-item
-              :prop="'crmBusinessTripDetailsList.' + scope.$index + '.startTime'"
-              :rules="[
-                {
-                  required: true,
-                  validator: (rule, value, callback) => {
-                    const item = form.crmBusinessTripDetailsList?.[scope.$index];
-                    if (!item || !item.startTime) {
-                      callback(new Error('开始日期不能为空'));
-                    } else {
-                      callback();
-                    }
-                  },
-                  trigger: ['blur', 'change']
-                }
-              ]"
-            >
+            <el-form-item :prop="'crmBusinessTripDetailsList.' + scope.$index + '.startTime'">
               <el-date-picker
                 v-model="scope.row.startTime"
                 type="date"
@@ -318,25 +302,9 @@
         </el-table-column>
 
         <el-table-column prop="endTime" width="170">
-          <template #header> <span style="color: #f56c6c; margin-right: 4px">*</span>结束日期 </template>
+          <template #header> 结束日期 </template>
           <template #default="scope">
-            <el-form-item
-              :prop="'crmBusinessTripDetailsList.' + scope.$index + '.endTime'"
-              :rules="[
-                {
-                  required: true,
-                  validator: (rule, value, callback) => {
-                    const item = form.crmBusinessTripDetailsList?.[scope.$index];
-                    if (!item || !item.endTime) {
-                      callback(new Error('结束日期不能为空'));
-                    } else {
-                      callback();
-                    }
-                  },
-                  trigger: ['blur', 'change']
-                }
-              ]"
-            >
+            <el-form-item :prop="'crmBusinessTripDetailsList.' + scope.$index + '.endTime'">
               <el-date-picker
                 v-model="scope.row.endTime"
                 type="date"
@@ -617,10 +585,9 @@ onMounted(async () => {
       }
 
       // 如果落到“申请人确认”节点，将固定注入陈海军和张东辉，以及业务负责人作为后台流转变量
-      // 不直接侵入公共底层弹窗组件显示，而是随表单变量潜行，配合画图里的 @@businessTripCopyUsers@@ 取值
       if (routeParams.value.type === 'approval' && String(useUserStore().userId) === String(form.value.applicantId)) {
         const confirmCopyIds: string[] = [];
-        ['张东辉', '陈海军'].forEach((name) => {
+        ['张东辉', '陈海军', '米兰', '张兰艳'].forEach((name) => {
           const matchedUser = userList.value.find((u: any) => u.nickName === name);
           if (matchedUser) {
             confirmCopyIds.push(String(matchedUser.userId));
@@ -642,7 +609,7 @@ onMounted(async () => {
 
         // 兼容原有的手工可选抄送并做个去重合并
         form.value.copyUserIds = Array.from(new Set([...(form.value.copyUserIds || []), ...confirmCopyIds]));
-        // 关键挂载：将整理完的抄送群放入该次提交时的全局工作流上下文引擎变量中
+        // 将整理完的抄送群放入该次提交时的全局工作流上下文引擎变量中
         taskVariables.value.businessTripCopyUsers = form.value.copyUserIds.join(',');
       }
 
@@ -772,12 +739,7 @@ watch(
   () => form.value.crmBusinessTripDetailsList,
   (newList) => {
     if (newList && newList.length > 0) {
-      let totalDays = 0;
-      let minStart = newList[0].startTime;
-      let maxEnd = newList[0].endTime;
-
       newList.forEach((item) => {
-        // 1. 自动计算单行动动态时长
         if (item.startTime && item.endTime) {
           const start = dayjs(item.startTime);
           const end = dayjs(item.endTime);
@@ -786,21 +748,8 @@ watch(
         } else {
           item.durationDays = 0;
         }
-
-        // 2. 汇总数据
-        if (item.durationDays) {
-          totalDays += Number(item.durationDays);
-        }
-        if (item.startTime && (!minStart || dayjs(item.startTime).isBefore(dayjs(minStart)))) {
-          minStart = item.startTime;
-        }
-        if (item.endTime && (!maxEnd || dayjs(item.endTime).isAfter(dayjs(maxEnd)))) {
-          maxEnd = item.endTime;
-        }
       });
-      form.value.durationDays = totalDays;
-      form.value.startTime = minStart;
-      form.value.endTime = maxEnd;
+
       // 辅助归集第一行明细数据到主表，用于列表页展示
       form.value.tripLocation = newList[0].tripLocation;
       form.value.customerId = newList[0].customerId;
@@ -808,15 +757,26 @@ watch(
       form.value.exchangeFeedback = newList[0].exchangeFeedback;
       form.value.meetingName = newList[0].meetingName;
       form.value.projectId = newList[0].projectId;
-    } else {
-      form.value.durationDays = 0;
-      form.value.startTime = undefined;
-      form.value.endTime = undefined;
     }
   },
   { deep: true }
 );
 
+// 主卡片选择日期时，独立计算主卡片的总时长
+watch(
+  () => [form.value.startTime, form.value.endTime],
+  ([newStart, newEnd]) => {
+    if (newStart && newEnd) {
+      const start = dayjs(newStart);
+      const end = dayjs(newEnd);
+      const diff = end.diff(start, 'day');
+      form.value.durationDays = diff >= 0 ? diff + 1 : 0;
+    } else {
+      form.value.durationDays = 0;
+    }
+  }
+);
+
 // 审批人选择变更
 const handleApproverSelectChange = (val: any) => {
   const user = userList.value.find((u) => u.userId === val);
@@ -853,25 +813,7 @@ const aggregateDetailsToForm = (): boolean => {
     return false;
   }
 
-  let totalDays = 0;
-  let minStart = details[0].startTime;
-  let maxEnd = details[0].endTime;
   form.value.tripLocation = details[0].tripLocation; // 取第一个行程地点作为主地点
-
-  details.forEach((item) => {
-    if (item.durationDays) {
-      totalDays += Number(item.durationDays);
-    }
-    if (item.startTime && (!minStart || dayjs(item.startTime).isBefore(dayjs(minStart)))) {
-      minStart = item.startTime;
-    }
-    if (item.endTime && (!maxEnd || dayjs(item.endTime).isAfter(dayjs(maxEnd)))) {
-      maxEnd = item.endTime;
-    }
-  });
-  form.value.durationDays = totalDays;
-  form.value.startTime = minStart;
-  form.value.endTime = maxEnd;
   return true;
 };