diff --git a/internal/biz/callback.go b/internal/biz/callback.go
index 3870abe..22eb76c 100644
--- a/internal/biz/callback.go
+++ b/internal/biz/callback.go
@@ -70,11 +70,18 @@ func (c *CallbackBiz) issueHandlingExtractContent(data chatbot.BotCallbackDataMo
 		Model:  c.cfg.Ollama.GenerateModel,
 		Prompt: prompt,
 		Stream: util.AnyToPoint(false),
+		Think:  &api.ThinkValue{Value: false},
 	})
 	if err != nil {
 		log.Errorf("问题提取失败: %v", err)
 		return
 	}
+
+	// 尝试清理 JSON 内容（有时模型会返回 markdown 块）
+	generateResp.Response = strings.TrimPrefix(generateResp.Response, "```json")
+	generateResp.Response = strings.TrimSuffix(generateResp.Response, "```")
+	generateResp.Response = strings.TrimSpace(generateResp.Response)
+
 	// 解析 JSON 响应
 	var resp struct {
 		Question   string `json:"question"`
diff --git a/internal/biz/ding_talk_bot.go b/internal/biz/ding_talk_bot.go
index 397a0bc..55ad22a 100644
--- a/internal/biz/ding_talk_bot.go
+++ b/internal/biz/ding_talk_bot.go
@@ -927,6 +927,7 @@ func (d *DingTalkBotBiz) createIssueHandlingGroupAndInit(ctx context.Context, ca
 	// }
 
 	// 初始化群聊
+	time.Sleep(time.Millisecond * 200)                   // 等待机器人加入群聊
 	groupScope := callbackParams["group_scope"].(string) // 群主题
 	d.initIssueHandlingGroup(appKey, openConversationId, groupScope)
 
diff --git a/internal/server/router/router.go b/internal/server/router/router.go
index 19593f1..431da2e 100644
--- a/internal/server/router/router.go
+++ b/internal/server/router/router.go
@@ -197,6 +197,12 @@ func registerCommon(c *fiber.Ctx, err error) error {
 			rawData = json.RawMessage(`"` + strings.ReplaceAll(string(body), `"`, `\"`) + `"`)
 		}
 	}
+
+	// 检查是否需要跳过响应包装
+	if c.Locals("skip_response_wrap") == true {
+		return c.JSON(rawData)
+	}
+
 	return c.JSON(fiber.Map{
 		"data":    rawData,
 		"message": errors.Success.Error(),