diff --git a/app/Http/Controllers/Api/DialogController.php b/app/Http/Controllers/Api/DialogController.php
index 80c4af425..26fca4037 100755
--- a/app/Http/Controllers/Api/DialogController.php
+++ b/app/Http/Controllers/Api/DialogController.php
@@ -2429,6 +2429,7 @@ class DialogController extends AbstractController
         $id = intval(Request::input("id"));
         //
         $add = [];
+        $update = [];
         $todo = WebSocketDialogMsgTodo::whereId($id)->whereUserid($user->userid)->first();
         if ($todo && empty($todo->done_at)) {
             $todo->done_at = Carbon::now();
@@ -2436,16 +2437,45 @@ class DialogController extends AbstractController
             //
             $msg = WebSocketDialogMsg::find($todo->msg_id);
             if ($msg) {
-                $res = WebSocketDialogMsg::sendMsg(null, $todo->dialog_id, 'todo', [
-                    'action' => 'done',
-                    'data' => [
-                        'id' => $msg->id,
-                        'type' => $msg->type,
-                        'msg' => $msg->quoteTextMsg(),
-                    ]
-                ]);
-                if (Base::isSuccess($res)) {
-                    $add = $res['data'];
+                $doneUserIds = WebSocketDialogMsgTodo::whereMsgId($msg->id)
+                    ->whereNotNull('done_at')
+                    ->orderBy('done_at')
+                    ->orderBy('id')
+                    ->pluck('userid')
+                    ->toArray();
+                //
+                $lastMsg = WebSocketDialogMsg::whereDialogId($todo->dialog_id)->orderByDesc('id')->first();
+                if ($lastMsg && $lastMsg->type === 'todo') {
+                    $lastMsgData = $lastMsg->msg;
+                    $lastData = $lastMsgData['data'] ?? [];
+                    if (($lastMsgData['action'] ?? '') === 'done' && intval($lastData['id'] ?? 0) === $msg->id) {
+                        $lastData['done_userids'] = $doneUserIds;
+                        $lastMsgData['data'] = $lastData;
+                        $lastMsg->updateInstance(['msg' => $lastMsgData]);
+                        $lastMsg->save();
+                        $update = [
+                            'id' => $lastMsg->id,
+                            'dialog_id' => $lastMsg->dialog_id,
+                            'type' => $lastMsg->type,
+                            'msg' => $lastMsgData,
+                        ];
+                        $lastMsg->webSocketDialog?->pushMsg('update', $update);
+                    }
+                }
+                //
+                if (empty($update)) {
+                    $res = WebSocketDialogMsg::sendMsg(null, $todo->dialog_id, 'todo', [
+                        'action' => 'done',
+                        'data' => [
+                            'id' => $msg->id,
+                            'type' => $msg->type,
+                            'msg' => $msg->quoteTextMsg(),
+                            'done_userids' => $doneUserIds,
+                        ]
+                    ]);
+                    if (Base::isSuccess($res)) {
+                        $add = $res['data'];
+                    }
                 }
                 //
                 $msg->webSocketDialog?->pushMsg('update', [
@@ -2458,7 +2488,8 @@ class DialogController extends AbstractController
         }
         //
         return Base::retSuccess("待办已完成", [
-            'add' => $add ?: null
+            'add' => $add ?: null,
+            'update' => $update ?: null,
         ]);
     }
 
diff --git a/resources/assets/js/pages/manage/components/DialogItem.vue b/resources/assets/js/pages/manage/components/DialogItem.vue
index 67373210b..e345478a8 100644
--- a/resources/assets/js/pages/manage/components/DialogItem.vue
+++ b/resources/assets/js/pages/manage/components/DialogItem.vue
@@ -15,10 +15,19 @@
         </div>
         <div v-else-if="source.type === 'todo'" class="dialog-todo" @click="onViewTodo">
             <div class="no-dark-content">
-                <div class="todo-user"><UserAvatar :userid="source.userid" :show-name="true" :show-icon="false"/></div>
+                <div v-if="source.msg.action === 'done' && todoDoneDisplayList(source.msg.data).length > 0" class="todo-users">
+                    <div
+                        v-for="(item, index) in todoDoneDisplayList(source.msg.data)"
+                        :key="`todo-done-${item.type}-${item.value}-${index}`"
+                        class="todo-user">
+                        <UserAvatar v-if="item.type === 'user'" :userid="item.value" :show-name="true" :show-icon="false"/>
+                        <span v-else>{{item.value}}</span>
+                    </div>
+                </div>
+                <div v-else class="todo-user"><UserAvatar :userid="source.userid" :show-name="true" :show-icon="false"/></div>
                 {{$L(source.msg.action === 'remove' ? '取消待办' : (source.msg.action === 'done' ? '完成' : '设待办'))}}
                 "{{$A.getMsgSimpleDesc(source.msg.data)}}"
-                <div v-if="formatTodoUser(source.msg.data).length > 0" class="todo-users">
+                <div v-if="source.msg.action === 'add' && formatTodoUser(source.msg.data).length > 0" class="todo-users">
                     <span>{{$L('给')}}</span>
                     <template v-for="(item, index) in formatTodoUser(source.msg.data)">
                         <div v-if="index < 3" class="todo-user"><UserAvatar :userid="item" :show-name="true" :show-icon="false"/></div>
@@ -200,6 +209,31 @@ export default {
             return []
         },
 
+        formatTodoDoneUser(data) {
+            if ($A.isJson(data) && $A.isArray(data.done_userids)) {
+                return data.done_userids
+            }
+            return []
+        },
+
+        todoDoneDisplayList(data) {
+            const userIds = this.formatTodoDoneUser(data)
+            if (userIds.length === 0) {
+                return []
+            }
+            const list = userIds.slice(0, 3).map(userid => ({
+                type: 'user',
+                value: userid,
+            }))
+            if (userIds.length > 3) {
+                list.push({
+                    type: 'extra',
+                    value: `+${userIds.length - 3}`,
+                })
+            }
+            return list
+        },
+
         onViewTag() {
             this.onViewReply({
                 msg_id: this.source.id,
diff --git a/resources/assets/js/pages/manage/components/DialogWrapper.vue b/resources/assets/js/pages/manage/components/DialogWrapper.vue
index 61c09b61c..ce0fe3e40 100644
--- a/resources/assets/js/pages/manage/components/DialogWrapper.vue
+++ b/resources/assets/js/pages/manage/components/DialogWrapper.vue
@@ -2268,6 +2268,9 @@ export default {
                 if (data.add) {
                     this.sendSuccess(data.add)
                 }
+                if (data.update) {
+                    this.sendSuccess(data.update, 0, true)
+                }
                 if (this.todoList.length === 0) {
                     this.$store.dispatch("getDialogTodo", this.dialogId)
                 }