From 4d1dd254729b5ab4b58d78a096465a20ef26ee0a Mon Sep 17 00:00:00 2001
From: Kaxi <1042864399@qq.com>
Date: Wed, 3 Jun 2026 00:21:01 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E8=A7=A3=E5=86=B3=E9=92=89=E9=92=89@?=
 =?UTF-8?q?=E9=97=AE=E9=A2=98?=
MIME-Version: 1.0
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---
 config.example.toml           |  1 +
 platform/dingtalk/dingtalk.go | 11 +++++++++++
 2 files changed, 12 insertions(+)

diff --git a/config.example.toml b/config.example.toml
index 3e663b6..8b4fb7b 100644
--- a/config.example.toml
+++ b/config.example.toml
@@ -989,6 +989,7 @@ app_secret = "your-feishu-app-secret"
 # client_secret = "your-dingtalk-client-secret"
 # allow_from = "*"  # Allowed staff IDs / 允许的员工 ID
 # share_session_in_channel = false  # If true, all users in a group share one agent session / 群聊共享会话
+# require_mention = false  # If true, only respond in groups when @mentioned / 群聊中仅在被 @ 时响应
 
 # WPS Xiezuo / WPS 协作 (uncomment to enable / 取消注释以启用)
 # 1. Create a WPS Open Platform app and enable event WebSocket delivery
diff --git a/platform/dingtalk/dingtalk.go b/platform/dingtalk/dingtalk.go
index f4ddb8b..92d03f4 100644
--- a/platform/dingtalk/dingtalk.go
+++ b/platform/dingtalk/dingtalk.go
@@ -64,6 +64,7 @@ type Platform struct {
 	robotCode             string
 	agentID               int64 // Agent ID for work notifications API (numeric)
 	allowFrom             string
+	requireMention        bool
 	shareSessionInChannel bool
 	streamClient          *dingtalkClient.StreamClient
 	streamCtxCancel       context.CancelFunc
@@ -87,6 +88,9 @@ func New(opts map[string]any) (core.Platform, error) {
 	robotCode, _ := opts["robot_code"].(string)
 	allowFrom, _ := opts["allow_from"].(string)
 	core.CheckAllowFrom("dingtalk", allowFrom)
+	requireMention, _ := opts["require_mention"].(bool)
+
+	fmt.Println("---- [debug], requireMention= ", requireMention)
 	shareSessionInChannel, _ := opts["share_session_in_channel"].(bool)
 	if clientID == "" || clientSecret == "" {
 		return nil, fmt.Errorf("dingtalk: client_id and client_secret are required")
@@ -132,6 +136,7 @@ func New(opts map[string]any) (core.Platform, error) {
 		robotCode:             robotCode,
 		agentID:               agentID,
 		allowFrom:             allowFrom,
+		requireMention:        requireMention,
 		shareSessionInChannel: shareSessionInChannel,
 		httpClient:            &http.Client{Timeout: 30 * time.Second},
 		cardTemplateID:        cardTemplateID,
@@ -235,6 +240,12 @@ func (p *Platform) onMessage(data *chatbot.BotCallbackDataModel, richText *richT
 		return
 	}
 
+	// In group chats, only respond when the bot is @mentioned (if require_mention is set).
+	if p.requireMention && data.ConversationType == "2" && !data.IsInAtList {
+		slog.Debug("dingtalk: ignoring group message without @mention", "user", data.SenderNick)
+		return
+	}
+
 	convType := "d" // direct (1:1)
 	if data.ConversationType == "2" {
 		convType = "g" // group