diff --git a/app/Http/Controllers/Api/DialogController.php b/app/Http/Controllers/Api/DialogController.php
index 781b03692..16189f74a 100755
--- a/app/Http/Controllers/Api/DialogController.php
+++ b/app/Http/Controllers/Api/DialogController.php
@@ -569,6 +569,7 @@ class DialogController extends AbstractController
                 'mention' => $dialogUser->webSocketDialog->mention,
                 'position_msgs' => $dialogUser->webSocketDialog->position_msgs,
                 'user_at' =>  Carbon::parse($dialogUser->updated_at)->toDateTimeString(),
+                'user_ms' => WebSocketDialogUser::userMs($dialogUser->updated_at)
             ];
         }
         return Base::retSuccess('success', $data);
@@ -594,6 +595,7 @@ class DialogController extends AbstractController
         "mention": 11,
         "position_msgs": [],
         "user_at": "2020-12-12 00:00:00",
+        "user_ms": 1677558147167,
     }
      */
     public function msg__unread()
@@ -612,6 +614,7 @@ class DialogController extends AbstractController
             'mention' => $dialogUser->webSocketDialog->mention,
             'position_msgs' => $dialogUser->webSocketDialog->position_msgs,
             'user_at' => Carbon::parse($dialogUser->updated_at)->toDateTimeString(),
+            'user_ms' => WebSocketDialogUser::userMs($dialogUser->updated_at)
         ]);
     }
 
@@ -1099,6 +1102,7 @@ class DialogController extends AbstractController
                     'mention' => $dialogUser->webSocketDialog->mention,
                     'position_msgs' => $dialogUser->webSocketDialog->position_msgs,
                     'user_at' => Carbon::now()->toDateTimeString(),
+                    'user_ms' => WebSocketDialogUser::userMs(),
                     'mark_unread' => 0,
                 ];
                 break;
@@ -1107,6 +1111,7 @@ class DialogController extends AbstractController
                 $data = [
                     'id' => $dialogUser->webSocketDialog->id,
                     'user_at' => Carbon::now()->toDateTimeString(),
+                    'user_ms' => WebSocketDialogUser::userMs(),
                     'mark_unread' => 1,
                 ];
                 break;
diff --git a/app/Models/WebSocketDialog.php b/app/Models/WebSocketDialog.php
index e173c7609..8475ef25b 100644
--- a/app/Models/WebSocketDialog.php
+++ b/app/Models/WebSocketDialog.php
@@ -71,6 +71,7 @@ class WebSocketDialog extends AbstractModel
         $this->pinyin = Base::cn2pinyin($this->name);
         $this->top_at = $this->top_at ?? $dialogUserFun('top_at');
         $this->user_at = $this->user_at ?? $dialogUserFun('updated_at');
+        $this->user_ms = WebSocketDialogUser::userMs($this->user_at);
         //
         if (isset($this->search_msg_id)) {
             // 最后消息 (搜索预览消息)
diff --git a/app/Models/WebSocketDialogUser.php b/app/Models/WebSocketDialogUser.php
index 017f8ab1a..d44be8e54 100644
--- a/app/Models/WebSocketDialogUser.php
+++ b/app/Models/WebSocketDialogUser.php
@@ -2,6 +2,8 @@
 
 namespace App\Models;
 
+use Carbon\Carbon;
+
 /**
  * App\Models\WebSocketDialogUser
  *
@@ -40,4 +42,17 @@ class WebSocketDialogUser extends AbstractModel
     {
         return $this->hasOne(WebSocketDialog::class, 'id', 'dialog_id');
     }
+
+    /**
+     * 转时间戳加上现在的毫秒
+     * @param $time
+     * @return int
+     */
+    public static function userMs($time = 0)
+    {
+        if (empty($time)) {
+            return Carbon::now()->getPreciseTimestamp(3);
+        }
+        return intval(Carbon::parse($time)->timestamp . substr(Carbon::now()->getPreciseTimestamp(3), -3));
+    }
 }
diff --git a/app/Tasks/WebSocketDialogMsgTask.php b/app/Tasks/WebSocketDialogMsgTask.php
index 6211808b1..751d080e9 100644
--- a/app/Tasks/WebSocketDialogMsgTask.php
+++ b/app/Tasks/WebSocketDialogMsgTask.php
@@ -8,7 +8,9 @@ use App\Models\User;
 use App\Models\WebSocketDialog;
 use App\Models\WebSocketDialogMsg;
 use App\Models\WebSocketDialogMsgRead;
+use App\Models\WebSocketDialogUser;
 use App\Module\Base;
+use Carbon\Carbon;
 use Hhxsv5\LaravelS\Swoole\Task\Task;
 use Request;
 
@@ -154,6 +156,8 @@ class WebSocketDialogMsgTask extends AbstractTask
                     'silence' => $item['silence'] ? 1 : 0,
                     'data' => array_merge($msg->toArray(), [
                         'mention' => $item['mention'],
+                        'user_at' => Carbon::parse($msg->created_at)->toDateTimeString(),
+                        'user_ms' => WebSocketDialogUser::userMs($msg->created_at),
                     ]),
                 ]
             ];
@@ -197,7 +201,10 @@ class WebSocketDialogMsgTask extends AbstractTask
                             'type' => 'dialog',
                             'mode' => 'chat',
                             'silence' => $this->silence ? 1 : 0,
-                            'data' => $msg->toArray(),
+                            'data' => array_merge($msg->toArray(), [
+                                'user_at' => Carbon::parse($msg->created_at)->toDateTimeString(),
+                                'user_ms' => WebSocketDialogUser::userMs($msg->created_at),
+                            ]),
                         ]
                     ];
                 }
diff --git a/resources/assets/js/store/actions.js b/resources/assets/js/store/actions.js
index 53b847724..df8cb85ad 100644
--- a/resources/assets/js/store/actions.js
+++ b/resources/assets/js/store/actions.js
@@ -2075,8 +2075,8 @@ export default {
             const index = state.cacheDialogs.findIndex(({id}) => id == data.id);
             if (index > -1) {
                 const original = state.cacheDialogs[index]
-                const nowTime = data.user_ms || $A.TimeM(data.user_at);
-                const originalTime = $A.TimeM(original.user_at || original.updated_at);
+                const nowTime = data.user_ms
+                const originalTime = original.user_ms || 0
                 if (nowTime < originalTime) {
                     typeof data.unread !== "undefined" && delete data.unread
                     typeof data.mention !== "undefined" && delete data.mention
@@ -2574,8 +2574,7 @@ export default {
                 saveBefore()
                 const resData = result.data;
                 if ($A.isJson(resData.dialog)) {
-                    const dialogData = Object.assign(resData.dialog, {user_ms: $A.TimeM(resData.dialog.user_at)})
-                    setTimeout(_ => dispatch("saveDialog", dialogData), 600)    // 延迟更新对话详情是因为等消息处理完
+                    setTimeout(_ => dispatch("saveDialog", resData.dialog), 300)    // 延迟更新对话详情是因为等消息处理完
                     //
                     const ids = resData.list.map(({id}) => id)
                     state.dialogMsgs = state.dialogMsgs.filter(item => {
@@ -2872,8 +2871,8 @@ export default {
                                                         id: dialog_id,
                                                         unread: dialog.unread + 1,
                                                         mention: dialog.mention,
-                                                        user_at: data.created_at,
-                                                        user_ms: $A.TimeM(data.created_at),
+                                                        user_at: data.user_at,
+                                                        user_ms: data.user_ms,
                                                     }
                                                     if (data.mention) {
                                                         newData.mention++;