diff --git a/admin/src/views/finance/account_cost/index.vue b/admin/src/views/finance/account_cost/index.vue
index 1c7f21d7..aebc771d 100644
--- a/admin/src/views/finance/account_cost/index.vue
+++ b/admin/src/views/finance/account_cost/index.vue
@@ -89,7 +89,15 @@
 
             <el-table class="mt-4" size="large" v-loading="pager.loading" :data="pager.lists">
                 <el-table-column label="日期" prop="cost_date" min-width="120" />
-                <el-table-column label="自媒体渠道" prop="media_channel_name" min-width="120" />
+                <el-table-column label="自媒体渠道" min-width="160">
+                    <template #default="{ row }">
+                        <span v-if="getChannelGroupLabel(row.media_channel_code)">
+                            <el-tag size="small" class="mr-1">{{ getChannelGroupLabel(row.media_channel_code) }}</el-tag>
+                            {{ row.media_channel_name }}
+                        </span>
+                        <span v-else>{{ row.media_channel_name }}</span>
+                    </template>
+                </el-table-column>
                 <el-table-column label="部门" prop="dept_name" min-width="140" />
                 <el-table-column label="账户消耗" min-width="120">
                     <template #default="{ row }">¥{{ row.amount }}</template>
@@ -213,6 +221,17 @@ const deptOptions = computed<DeptOption[]>(() => {
 
 const defaultMediaChannelCode = computed(() => String(pager.extend.default_media_channel_code || ''))
 
+const getChannelGroupLabel = (channelCode: string): string => {
+    if (!channelCode) return ''
+    for (const group of mediaChannelGroups.value) {
+        const channel = group.channels.find(ch => ch.channel_code === channelCode)
+        if (channel) {
+            return group.group_name
+        }
+    }
+    return ''
+}
+
 const treeProps = {
     value: 'id',
     label: 'name',
diff --git a/server/app/adminapi/logic/finance/AccountCostLogic.php b/server/app/adminapi/logic/finance/AccountCostLogic.php
index 218ff915..9c1a931d 100755
--- a/server/app/adminapi/logic/finance/AccountCostLogic.php
+++ b/server/app/adminapi/logic/finance/AccountCostLogic.php
@@ -77,6 +77,9 @@ class AccountCostLogic extends BaseLogic
                 return false;
             }
 
+            $mediaChannelCode = trim((string) ($params['media_channel_code'] ?? ''));
+            $mediaChannelName = MediaChannelService::getNameByCode($mediaChannelCode);
+
             $supportsDeptBinding = AccountCost::supportsDeptBinding();
             $deptId = $supportsDeptBinding ? (int) ($params['dept_id'] ?? 0) : 0;
             $deptName = $supportsDeptBinding ? self::resolveDeptName($deptId) : '';
@@ -89,7 +92,7 @@ class AccountCostLogic extends BaseLogic
             if ($supportsDeptBinding) {
                 if (AccountCost::where('id', '<>', (int) $params['id'])
                     ->where('cost_date', (string) $model->cost_date)
-                    ->where('media_channel_code', (string) $model->media_channel_code)
+                    ->where('media_channel_code', $mediaChannelCode)
                     ->where('dept_id', $deptId)
                     ->count() > 0) {
                     self::setError('该日期下所选渠道和部门的账户消耗已存在，请直接编辑');
@@ -98,6 +101,8 @@ class AccountCostLogic extends BaseLogic
                 }
             }
 
+            $model->media_channel_code = $mediaChannelCode;
+            $model->media_channel_name = $mediaChannelName;
             if ($supportsDeptBinding) {
                 $model->dept_id = $deptId;
                 $model->dept_name = $deptName;