diff --git a/app/Http/Controllers/Api/DialogController.php b/app/Http/Controllers/Api/DialogController.php
index e5af03f0b..3af7e8a00 100755
--- a/app/Http/Controllers/Api/DialogController.php
+++ b/app/Http/Controllers/Api/DialogController.php
@@ -489,8 +489,6 @@ class DialogController extends AbstractController
      * @apiName msg__list
      *
      * @apiParam {Number} dialog_id         对话ID
-     * @apiParam {Number} [session_id]      会话ID
-     * - 此参数目前仅和AI的对话有效，AI对话支持新建对话，此参数为会话ID
      * @apiParam {Number} [msg_id]          消息ID
      * @apiParam {Number} [position_id]     此消息ID前后的数据
      * @apiParam {Number} [prev_id]         此消息ID之前的数据
@@ -516,7 +514,6 @@ class DialogController extends AbstractController
         $user = User::auth();
         //
         $dialog_id = intval(Request::input('dialog_id'));
-        $session_id = intval(Request::input('session_id'));
         $msg_id = intval(Request::input('msg_id'));
         $position_id = intval(Request::input('position_id'));
         $prev_id = intval(Request::input('prev_id'));
@@ -539,9 +536,7 @@ class DialogController extends AbstractController
                 ->on('read.msg_id', '=', 'web_socket_dialog_msgs.id');
         })->where('web_socket_dialog_msgs.dialog_id', $dialog_id);
         //
-        if ($session_id > 0) {
-            $builder->whereSessionId($session_id);
-        } elseif ($dialog->session_id > 0) {
+        if ($dialog->session_id > 0) {
             $builder->whereSessionId($dialog->session_id);
         }
         if ($msg_type) {
diff --git a/app/Models/WebSocketDialog.php b/app/Models/WebSocketDialog.php
index fc659dc36..6934cb9a1 100644
--- a/app/Models/WebSocketDialog.php
+++ b/app/Models/WebSocketDialog.php
@@ -19,7 +19,7 @@ use Illuminate\Support\Facades\DB;
  * @property int $id
  * @property string|null $type 对话类型
  * @property string|null $group_type 聊天室类型
- * @property int|null $session_id 会话ID（最新）
+ * @property int|null $session_id 会话ID
  * @property string|null $name 对话名称
  * @property string $avatar 头像（群）
  * @property int|null $owner_id 群主用户ID
diff --git a/app/Models/WebSocketDialogMsg.php b/app/Models/WebSocketDialogMsg.php
index 907eb87e5..2397b660b 100644
--- a/app/Models/WebSocketDialogMsg.php
+++ b/app/Models/WebSocketDialogMsg.php
@@ -1181,6 +1181,7 @@ class WebSocketDialogMsg extends AbstractModel
             $dialogMsg = self::createInstance([
                 'dialog_id' => $dialog_id,
                 'dialog_type' => $dialog->type,
+                'session_id' => $dialog->session_id,
                 'reply_id' => $reply_id,
                 'forward_id' => $forward_id,
                 'userid' => $sender,
diff --git a/database/migrations/2025_02_07_163329_web_socket_dialogs_add_session_id.php b/database/migrations/2025_02_07_163329_web_socket_dialogs_add_session_id.php
index e5a4d629e..999ffd1a4 100644
--- a/database/migrations/2025_02_07_163329_web_socket_dialogs_add_session_id.php
+++ b/database/migrations/2025_02_07_163329_web_socket_dialogs_add_session_id.php
@@ -15,7 +15,7 @@ class WebSocketDialogsAddSessionId extends Migration
     {
         Schema::table('web_socket_dialogs', function (Blueprint $table) {
             if (!Schema::hasColumn('web_socket_dialogs', 'session_id')) {
-                $table->bigInteger('session_id')->index()->nullable()->default(0)->after('group_type')->comment('会话ID（最新）');
+                $table->bigInteger('session_id')->index()->nullable()->default(0)->after('group_type')->comment('会话ID');
             }
         });
     }