diff --git a/internal/services/dtalk_bot.go b/internal/services/dtalk_bot.go
index 177406b..28eacb1 100644
--- a/internal/services/dtalk_bot.go
+++ b/internal/services/dtalk_bot.go
@@ -64,6 +64,7 @@ func (d *DingBotService) runBackgroundTasks(ctx context.Context, data *chatbot.B
 	g.Go(func() error {
 		defer func() {
 			// 确保通道最终关闭
+			log.Println("流式处理协程关闭")
 			close(resChan)
 		}()
 		return d.dingTalkBotBiz.HandleStreamRes(ctx, data, resChan)