diff --git a/app/main/api/internal/logic/pay/paymentlogic.go b/app/main/api/internal/logic/pay/paymentlogic.go
index 78cb009..a25ff80 100644
--- a/app/main/api/internal/logic/pay/paymentlogic.go
+++ b/app/main/api/internal/logic/pay/paymentlogic.go
@@ -118,18 +118,23 @@ func (l *PaymentLogic) Payment(req *types.PaymentReq) (resp *types.PaymentResp,
 		} else if req.PayMethod == "appleiap" {
 			prepayData = l.svcCtx.ApplePayService.GetIappayAppID(paymentTypeResp.outTradeNo)
 		} else if req.PayMethod == "yunyinSignPay" || req.PayMethod == "yunyinSignPay_wechat" || req.PayMethod == "yunyinSignPay_alipay" {
+			logx.Infof("[云印签支付] 开始处理支付请求，支付方式: %s, 订单号: %s", req.PayMethod, paymentTypeResp.outTradeNo)
+			
 			if l.svcCtx.YunYinSignPayService == nil {
+				logx.Errorf("[云印签支付] 支付服务未启用")
 				return errors.Wrapf(xerr.NewErrCode(xerr.SERVER_COMMON_ERROR), "云印签支付服务未启用")
 			}
 
 			// 从查询缓存中获取用户姓名和手机号
 			if paymentTypeResp.userMobile == "" {
+				logx.Errorf("[云印签支付] 查询缓存中未找到用户手机号，订单号: %s", paymentTypeResp.outTradeNo)
 				return errors.Wrapf(xerr.NewErrCode(xerr.SERVER_COMMON_ERROR), "生成订单, 查询缓存中未找到用户手机号，无法使用云印签支付")
 			}
 
 			// 获取用户ID
 			userID, getUidErr := ctxdata.GetUidFromCtx(l.ctx)
 			if getUidErr != nil {
+				logx.Errorf("[云印签支付] 获取用户ID失败，订单号: %s, 错误: %+v", paymentTypeResp.outTradeNo, getUidErr)
 				return errors.Wrapf(xerr.NewErrCode(xerr.SERVER_COMMON_ERROR), "生成订单, 获取用户ID失败: %+v", getUidErr)
 			}
 
@@ -138,10 +143,13 @@ func (l *PaymentLogic) Payment(req *types.PaymentReq) (resp *types.PaymentResp,
 			if req.PayMethod == "yunyinSignPay_alipay" {
 				payType = 1 // 支付宝支付
 			}
+			logx.Infof("[云印签支付] 支付参数，订单号: %s, 用户ID: %s, 用户手机: %s, 用户姓名: %s, 金额: %.2f, 支付类型: %d(0=微信,1=支付宝)", 
+				paymentTypeResp.outTradeNo, userID, paymentTypeResp.userMobile, paymentTypeResp.userName, paymentTypeResp.amount, payType)
 
 			// 查询用户是否有未完成的签署（待签署且待支付）
 			var yunYinSignPayResult *service.CreateYunYinSignPayOrderResult
 			// 使用 SelectBuilder 查询未完成的签署订单（del_state 由系统自动处理）
+			logx.Infof("[云印签支付] 查询用户未完成的签署订单，用户ID: %s", userID)
 			unfinishedBuilder := l.svcCtx.YunyinSignPayOrderModel.SelectBuilder().
 				Where(squirrel.Eq{
 					"user_id":     userID,
@@ -154,35 +162,60 @@ func (l *PaymentLogic) Payment(req *types.PaymentReq) (resp *types.PaymentResp,
 			var unfinishedOrder *model.YunyinSignPayOrder
 			if findUnfinishedErr == nil && len(unfinishedOrders) > 0 {
 				unfinishedOrder = unfinishedOrders[0]
+				logx.Infof("[云印签支付] 找到未完成的签署订单，订单号: %s, 任务ID: %s, 参与者ID: %s, 金额: %.2f", 
+					paymentTypeResp.outTradeNo, unfinishedOrder.TaskId, unfinishedOrder.ParticipantId, unfinishedOrder.Amount)
+			} else {
+				if findUnfinishedErr != nil {
+					logx.Infof("[云印签支付] 查询未完成签署订单失败，用户ID: %s, 错误: %v", userID, findUnfinishedErr)
+				} else {
+					logx.Infof("[云印签支付] 未找到未完成的签署订单，用户ID: %s, 将创建新签署流程", userID)
+				}
 			}
+			
 			if unfinishedOrder != nil {
 				// 复用未完成的签署，只获取新的支付链接
-				logx.Infof("复用未完成的云印签签署，任务ID: %s, 参与者ID: %s", unfinishedOrder.TaskId, unfinishedOrder.ParticipantId)
+				logx.Infof("[云印签支付] 复用未完成的签署，订单号: %s, 任务ID: %s, 参与者ID: %s", 
+					paymentTypeResp.outTradeNo, unfinishedOrder.TaskId, unfinishedOrder.ParticipantId)
 
 				// 获取token和操作ID（带缓存）
+				logx.Infof("[云印签支付] 开始获取AccessToken，订单号: %s", paymentTypeResp.outTradeNo)
 				accessToken, tokenErr := l.svcCtx.YunYinSignPayService.GetAccessToken(l.ctx)
 				if tokenErr != nil {
+					logx.Errorf("[云印签支付] 获取AccessToken失败，订单号: %s, 错误: %+v", paymentTypeResp.outTradeNo, tokenErr)
 					return errors.Wrapf(xerr.NewErrCode(xerr.SERVER_COMMON_ERROR), "生成订单, 获取云印签token失败: %+v", tokenErr)
 				}
+				logx.Infof("[云印签支付] 获取AccessToken成功，订单号: %s", paymentTypeResp.outTradeNo)
 
+				logx.Infof("[云印签支付] 开始获取操作ID，订单号: %s", paymentTypeResp.outTradeNo)
 				operationUserId, userIdErr := l.svcCtx.YunYinSignPayService.GetUserId(l.ctx, accessToken)
 				if userIdErr != nil {
+					logx.Errorf("[云印签支付] 获取操作ID失败，订单号: %s, 错误: %+v", paymentTypeResp.outTradeNo, userIdErr)
 					return errors.Wrapf(xerr.NewErrCode(xerr.SERVER_COMMON_ERROR), "生成订单, 获取云印签操作ID失败: %+v", userIdErr)
 				}
+				logx.Infof("[云印签支付] 获取操作ID成功，订单号: %s, 操作ID: %s", paymentTypeResp.outTradeNo, operationUserId)
 
 				// 获取新的支付链接
+				logx.Infof("[云印签支付] 开始获取支付链接，订单号: %s, 参与者ID: %s, 支付类型: %d", 
+					paymentTypeResp.outTradeNo, unfinishedOrder.ParticipantId, payType)
 				payURL, payURLErr := l.svcCtx.YunYinSignPayService.GetPaymentURL(l.ctx, accessToken, operationUserId, unfinishedOrder.ParticipantId, payType)
 				if payURLErr != nil {
+					logx.Errorf("[云印签支付] 获取支付链接失败，订单号: %s, 参与者ID: %s, 错误: %+v", 
+						paymentTypeResp.outTradeNo, unfinishedOrder.ParticipantId, payURLErr)
 					return errors.Wrapf(xerr.NewErrCode(xerr.SERVER_COMMON_ERROR), "生成订单, 获取云印签支付链接失败: %+v", payURLErr)
 				}
+				logx.Infof("[云印签支付] 获取支付链接成功，订单号: %s, 支付链接: %s", paymentTypeResp.outTradeNo, payURL)
 
 				yunYinSignPayResult = &service.CreateYunYinSignPayOrderResult{
 					PayURL:        payURL,
 					ParticipantID: unfinishedOrder.ParticipantId,
 					TaskID:        unfinishedOrder.TaskId,
 				}
+				logx.Infof("[云印签支付] 复用签署流程完成，订单号: %s, 任务ID: %s, 参与者ID: %s, 支付链接: %s", 
+					paymentTypeResp.outTradeNo, yunYinSignPayResult.TaskID, yunYinSignPayResult.ParticipantID, yunYinSignPayResult.PayURL)
 			} else {
 				// 没有未完成的签署，创建新的签署流程
+				logx.Infof("[云印签支付] 开始创建新签署流程，订单号: %s, 用户手机: %s, 用户姓名: %s, 金额: %.2f, 支付类型: %d", 
+					paymentTypeResp.outTradeNo, paymentTypeResp.userMobile, paymentTypeResp.userName, paymentTypeResp.amount, payType)
 				var createOrderErr error
 				yunYinSignPayResult, createOrderErr = l.svcCtx.YunYinSignPayService.CreateYunYinSignPayOrder(
 					l.ctx,
@@ -193,11 +226,15 @@ func (l *PaymentLogic) Payment(req *types.PaymentReq) (resp *types.PaymentResp,
 					payType,
 				)
 				if createOrderErr != nil {
+					logx.Errorf("[云印签支付] 创建新签署流程失败，订单号: %s, 错误: %+v", paymentTypeResp.outTradeNo, createOrderErr)
 					return errors.Wrapf(xerr.NewErrCode(xerr.SERVER_COMMON_ERROR), "生成订单, 创建云印签支付订单失败: %+v", createOrderErr)
 				}
+				logx.Infof("[云印签支付] 创建新签署流程成功，订单号: %s, 任务ID: %s, 参与者ID: %s, 支付链接: %s", 
+					paymentTypeResp.outTradeNo, yunYinSignPayResult.TaskID, yunYinSignPayResult.ParticipantID, yunYinSignPayResult.PayURL)
 			}
 
 			prepayData = yunYinSignPayResult.PayURL
+			logx.Infof("[云印签支付] 支付链接获取成功，订单号: %s, 支付链接: %s", paymentTypeResp.outTradeNo, yunYinSignPayResult.PayURL)
 
 			// 将云印签信息存储到context中，后续创建订单和云印签订单记录时使用
 			ctx = context.WithValue(ctx, "yunyin_sign_pay_result", yunYinSignPayResult)
@@ -207,6 +244,8 @@ func (l *PaymentLogic) Payment(req *types.PaymentReq) (resp *types.PaymentResp,
 			ctx = context.WithValue(ctx, "yunyin_sign_pay_amount", paymentTypeResp.amount)
 			ctx = context.WithValue(ctx, "yunyin_sign_pay_pay_type", payType)
 			l.ctx = ctx
+			logx.Infof("[云印签支付] 云印签信息已存储到context，订单号: %s, 任务ID: %s, 参与者ID: %s", 
+				paymentTypeResp.outTradeNo, yunYinSignPayResult.TaskID, yunYinSignPayResult.ParticipantID)
 		}
 		if createOrderErr != nil {
 			return errors.Wrapf(xerr.NewErrCode(xerr.SERVER_COMMON_ERROR), "生成订单, 创建支付订单失败: %+v", createOrderErr)
@@ -371,6 +410,7 @@ func (l *PaymentLogic) QueryOrderPayment(req *types.PaymentReq, session sqlx.Ses
 
 	// 如果是云印签支付，创建云印签订单记录
 	if req.PayMethod == "yunyinSignPay" || req.PayMethod == "yunyinSignPay_wechat" || req.PayMethod == "yunyinSignPay_alipay" {
+		logx.Infof("[云印签支付] 开始创建云印签订单记录，订单号: %s, 订单ID: %s", outTradeNo, orderID)
 		yunYinSignPayResult, ok := l.ctx.Value("yunyin_sign_pay_result").(*service.CreateYunYinSignPayOrderResult)
 		if ok && yunYinSignPayResult != nil {
 			userID, _ := l.ctx.Value("yunyin_sign_pay_user_id").(string)
@@ -379,6 +419,9 @@ func (l *PaymentLogic) QueryOrderPayment(req *types.PaymentReq, session sqlx.Ses
 			amount, _ := l.ctx.Value("yunyin_sign_pay_amount").(float64)
 			payType, _ := l.ctx.Value("yunyin_sign_pay_pay_type").(int)
 
+			logx.Infof("[云印签支付] 云印签订单数据，订单号: %s, 订单ID: %s, 用户ID: %s, 任务ID: %s, 参与者ID: %s, 金额: %.2f, 支付类型: %d", 
+				outTradeNo, orderID, userID, yunYinSignPayResult.TaskID, yunYinSignPayResult.ParticipantID, amount, payType)
+
 			yunyinSignPayOrder := model.YunyinSignPayOrder{
 				Id:              uuid.NewString(),
 				OrderId:         orderID,
@@ -398,8 +441,13 @@ func (l *PaymentLogic) QueryOrderPayment(req *types.PaymentReq, session sqlx.Ses
 
 			_, insertYunYinErr := l.svcCtx.YunyinSignPayOrderModel.Insert(l.ctx, session, &yunyinSignPayOrder)
 			if insertYunYinErr != nil {
+				logx.Errorf("[云印签支付] 保存云印签订单失败，订单号: %s, 订单ID: %s, 错误: %+v", outTradeNo, orderID, insertYunYinErr)
 				return nil, errors.Wrapf(xerr.NewErrCode(xerr.DB_ERROR), "生成订单, 保存云印签订单失败: %+v", insertYunYinErr)
 			}
+			logx.Infof("[云印签支付] 云印签订单记录创建成功，订单号: %s, 订单ID: %s, 云印签订单ID: %s, 任务ID: %s, 参与者ID: %s", 
+				outTradeNo, orderID, yunyinSignPayOrder.Id, yunyinSignPayOrder.TaskId, yunyinSignPayOrder.ParticipantId)
+		} else {
+			logx.Errorf("[云印签支付] 未找到云印签支付结果，订单号: %s, 订单ID: %s", outTradeNo, orderID)
 		}
 	}
 
diff --git a/app/main/api/internal/service/yunyinSignPayService.go b/app/main/api/internal/service/yunyinSignPayService.go
index 4821082..15ac421 100644
--- a/app/main/api/internal/service/yunyinSignPayService.go
+++ b/app/main/api/internal/service/yunyinSignPayService.go
@@ -61,15 +61,20 @@ type AccessTokenData struct {
 
 // GetAccessToken 获取访问token（带缓存）
 func (y *YunYinSignPayService) GetAccessToken(ctx context.Context) (string, error) {
+	logx.Infof("[云印签API] GetAccessToken: 开始获取AccessToken，Redis Key: %s", YunYinSignPayTokenKey)
+
 	// 先从Redis获取
 	token, err := y.redis.GetCtx(ctx, YunYinSignPayTokenKey)
 	if err == nil && token != "" {
-		logx.Infof("从Redis获取云印签token成功")
+		logx.Infof("[云印签API] GetAccessToken: 从Redis获取token成功，Token长度: %d", len(token))
 		return token, nil
 	}
+	if err != nil {
+		logx.Infof("[云印签API] GetAccessToken: Redis查询失败或token不存在，错误: %v，将从API获取", err)
+	}
 
 	// Redis中没有，调用API获取
-	logx.Infof("从API获取云印签token")
+	logx.Infof("[云印签API] GetAccessToken: 从API获取token，API地址: %s/service/getAccessToken, AppID: %s", y.config.ApiURL, y.config.AppID)
 	reqBody := GetAccessTokenRequest{
 		AppID:     y.config.AppID,
 		AppSecret: y.config.AppSecret,
@@ -77,51 +82,68 @@ func (y *YunYinSignPayService) GetAccessToken(ctx context.Context) (string, erro
 
 	jsonData, err := json.Marshal(reqBody)
 	if err != nil {
+		logx.Errorf("[云印签API] GetAccessToken: 序列化请求参数失败: %v", err)
 		return "", fmt.Errorf("序列化请求参数失败: %v", err)
 	}
+	logx.Infof("[云印签API] GetAccessToken: 请求体: %s", string(jsonData))
 
 	url := fmt.Sprintf("%s/service/getAccessToken", y.config.ApiURL)
 	req, err := http.NewRequestWithContext(ctx, "POST", url, bytes.NewReader(jsonData))
 	if err != nil {
+		logx.Errorf("[云印签API] GetAccessToken: 创建请求失败: %v", err)
 		return "", fmt.Errorf("创建请求失败: %v", err)
 	}
 
 	req.Header.Set("Content-Type", "application/json")
+	logx.Infof("[云印签API] GetAccessToken: 发送请求，URL: %s, Method: POST", url)
 
 	resp, err := y.client.Do(req)
 	if err != nil {
+		logx.Errorf("[云印签API] GetAccessToken: HTTP请求失败: %v", err)
 		return "", fmt.Errorf("请求失败: %v", err)
 	}
 	defer resp.Body.Close()
 
+	logx.Infof("[云印签API] GetAccessToken: 收到响应，状态码: %d", resp.StatusCode)
+
 	body, err := io.ReadAll(resp.Body)
 	if err != nil {
+		logx.Errorf("[云印签API] GetAccessToken: 读取响应体失败: %v", err)
 		return "", fmt.Errorf("读取响应失败: %v", err)
 	}
+	logx.Infof("[云印签API] GetAccessToken: 响应体: %s", string(body))
 
 	var tokenResp GetAccessTokenResponse
 	if err := json.Unmarshal(body, &tokenResp); err != nil {
+		logx.Errorf("[云印签API] GetAccessToken: 解析响应失败: %v, 响应内容: %s", err, string(body))
 		return "", fmt.Errorf("解析响应失败: %v, 响应内容: %s", err, string(body))
 	}
 
+	logx.Infof("[云印签API] GetAccessToken: 响应解析成功，Code: %v, Msg: %s", tokenResp.Code, tokenResp.Msg)
+
 	if tokenResp.Code != 0 {
+		logx.Errorf("[云印签API] GetAccessToken: API返回错误，Code: %v, Msg: %s", tokenResp.Code, tokenResp.Msg)
 		return "", fmt.Errorf("获取token失败: %s", tokenResp.Msg)
 	}
 
 	if tokenResp.Data == nil || tokenResp.Data.AccessToken == "" {
+		logx.Errorf("[云印签API] GetAccessToken: token数据为空，响应: %+v", tokenResp)
 		return "", fmt.Errorf("token数据为空")
 	}
 
 	accessToken := tokenResp.Data.AccessToken
+	logx.Infof("[云印签API] GetAccessToken: 获取token成功，Token长度: %d, ExpireTime: %d", len(accessToken), tokenResp.Data.ExpireTime)
 
 	// 存储到Redis，2小时过期
 	err = y.redis.SetexCtx(ctx, YunYinSignPayTokenKey, accessToken, int(TokenCacheExpire.Seconds()))
 	if err != nil {
-		logx.Errorf("存储token到Redis失败: %v", err)
+		logx.Errorf("[云印签API] GetAccessToken: 存储token到Redis失败: %v", err)
 		// 不返回错误，因为token已经获取成功
+	} else {
+		logx.Infof("[云印签API] GetAccessToken: token已缓存到Redis，过期时间: %d秒", int(TokenCacheExpire.Seconds()))
 	}
 
-	logx.Infof("获取云印签token成功，已缓存到Redis")
+	logx.Infof("[云印签API] GetAccessToken: 完成，返回token")
 	return accessToken, nil
 }
 
@@ -144,69 +166,91 @@ type UserIdData struct {
 
 // GetUserId 获取操作ID（带缓存）
 func (y *YunYinSignPayService) GetUserId(ctx context.Context, accessToken string) (string, error) {
+	logx.Infof("[云印签API] GetUserId: 开始获取操作ID，Redis Key: %s, Mobile: %s", YunYinSignPayUserIdKey, y.config.Mobile)
+
 	// 先从Redis获取
 	userId, err := y.redis.GetCtx(ctx, YunYinSignPayUserIdKey)
 	if err == nil && userId != "" {
-		logx.Infof("从Redis获取云印签操作ID成功")
+		logx.Infof("[云印签API] GetUserId: 从Redis获取操作ID成功，UserID: %s", userId)
 		return userId, nil
 	}
+	if err != nil {
+		logx.Infof("[云印签API] GetUserId: Redis查询失败或操作ID不存在，错误: %v，将从API获取", err)
+	}
 
 	// Redis中没有，调用API获取
-	logx.Infof("从API获取云印签操作ID")
+	logx.Infof("[云印签API] GetUserId: 从API获取操作ID，API地址: %s/member/infoByCorpId, Mobile: %s", y.config.ApiURL, y.config.Mobile)
 	reqBody := GetUserIdRequest{
 		Mobile: y.config.Mobile,
 	}
 
 	jsonData, err := json.Marshal(reqBody)
 	if err != nil {
+		logx.Errorf("[云印签API] GetUserId: 序列化请求参数失败: %v", err)
 		return "", fmt.Errorf("序列化请求参数失败: %v", err)
 	}
+	logx.Infof("[云印签API] GetUserId: 请求体: %s", string(jsonData))
 
 	url := fmt.Sprintf("%s/member/infoByCorpId", y.config.ApiURL)
 	req, err := http.NewRequestWithContext(ctx, "POST", url, bytes.NewReader(jsonData))
 	if err != nil {
+		logx.Errorf("[云印签API] GetUserId: 创建请求失败: %v", err)
 		return "", fmt.Errorf("创建请求失败: %v", err)
 	}
 
 	req.Header.Set("Content-Type", "application/json")
 	req.Header.Set("appId", y.config.AppID)
 	req.Header.Set("accessToken", accessToken)
+	logx.Infof("[云印签API] GetUserId: 发送请求，URL: %s, Method: POST, AppID: %s, AccessToken长度: %d", url, y.config.AppID, len(accessToken))
 
 	resp, err := y.client.Do(req)
 	if err != nil {
+		logx.Errorf("[云印签API] GetUserId: HTTP请求失败: %v", err)
 		return "", fmt.Errorf("请求失败: %v", err)
 	}
 	defer resp.Body.Close()
 
+	logx.Infof("[云印签API] GetUserId: 收到响应，状态码: %d", resp.StatusCode)
+
 	body, err := io.ReadAll(resp.Body)
 	if err != nil {
+		logx.Errorf("[云印签API] GetUserId: 读取响应体失败: %v", err)
 		return "", fmt.Errorf("读取响应失败: %v", err)
 	}
+	logx.Infof("[云印签API] GetUserId: 响应体: %s", string(body))
 
 	var userIdResp GetUserIdResponse
 	if err := json.Unmarshal(body, &userIdResp); err != nil {
+		logx.Errorf("[云印签API] GetUserId: 解析响应失败: %v, 响应内容: %s", err, string(body))
 		return "", fmt.Errorf("解析响应失败: %v, 响应内容: %s", err, string(body))
 	}
 
+	logx.Infof("[云印签API] GetUserId: 响应解析成功，Code: %v, Msg: %s", userIdResp.Code, userIdResp.Msg)
+
 	if userIdResp.Code != 0 {
+		logx.Errorf("[云印签API] GetUserId: API返回错误，Code: %v, Msg: %s", userIdResp.Code, userIdResp.Msg)
 		return "", fmt.Errorf("获取操作ID失败: %s", userIdResp.Msg)
 	}
 
 	if userIdResp.Data == nil || userIdResp.Data.UserId == "" {
+		logx.Errorf("[云印签API] GetUserId: 操作ID数据为空，响应: %+v", userIdResp)
 		return "", fmt.Errorf("操作ID数据为空")
 	}
 
 	// 获取操作ID
 	operationUserId := userIdResp.Data.UserId
+	logx.Infof("[云印签API] GetUserId: 获取操作ID成功，UserID: %s", operationUserId)
 
 	// 存储到Redis，2小时过期
 	err = y.redis.SetexCtx(ctx, YunYinSignPayUserIdKey, operationUserId, int(UserIdCacheExpire.Seconds()))
 	if err != nil {
-		logx.Errorf("存储操作ID到Redis失败: %v", err)
+		logx.Errorf("[云印签API] GetUserId: 存储操作ID到Redis失败: %v", err)
 		// 不返回错误，因为操作ID已经获取成功
+	} else {
+		logx.Infof("[云印签API] GetUserId: 操作ID已缓存到Redis，过期时间: %d秒", int(UserIdCacheExpire.Seconds()))
 	}
 
-	logx.Infof("获取云印签操作ID成功，已缓存到Redis")
+	logx.Infof("[云印签API] GetUserId: 完成，返回操作ID: %s", operationUserId)
 	return operationUserId, nil
 }
 
@@ -303,14 +347,28 @@ func (r *StartSignFlowResponse) GetCodeInt() int {
 
 // StartSignFlow 发起签署流程
 func (y *YunYinSignPayService) StartSignFlow(ctx context.Context, accessToken, userId string, req *StartSignFlowRequest) (*StartSignFlowResult, error) {
+	logx.Infof("[云印签API] StartSignFlow: 开始发起签署流程，订单号: %s, 模板代码: %s, 模板名称: %s, 用户ID: %s",
+		req.SourceOrderCode, req.TemplateCode, req.TemplateName, userId)
+	logx.Infof("[云印签API] StartSignFlow: 参与者列表，数量: %d", len(req.ParticipantList))
+	for i, p := range req.ParticipantList {
+		logx.Infof("[云印签API] StartSignFlow: 参与者[%d]，标志: %s, 账号: %s, 姓名: %s, 类型: %d, 企业名: %s",
+			i, p.ParticipantFlag, p.PsnAccount, p.PsnName, p.ParticipantType, p.ParticipantCorpName)
+		if p.Payee != nil {
+			logx.Infof("[云印签API] StartSignFlow: 参与者[%d]收款信息，金额: %.2f, 优先级: %s", i, p.Payee.Amount, p.Payee.Priority)
+		}
+	}
+
 	jsonData, err := json.Marshal(req)
 	if err != nil {
+		logx.Errorf("[云印签API] StartSignFlow: 序列化请求参数失败: %v", err)
 		return nil, fmt.Errorf("序列化请求参数失败: %v", err)
 	}
+	logx.Infof("[云印签API] StartSignFlow: 请求体: %s", string(jsonData))
 
 	url := fmt.Sprintf("%s/signTask/startSignFlow", y.config.ApiURL)
 	httpReq, err := http.NewRequestWithContext(ctx, "POST", url, bytes.NewReader(jsonData))
 	if err != nil {
+		logx.Errorf("[云印签API] StartSignFlow: 创建请求失败: %v", err)
 		return nil, fmt.Errorf("创建请求失败: %v", err)
 	}
 
@@ -319,47 +377,67 @@ func (y *YunYinSignPayService) StartSignFlow(ctx context.Context, accessToken, u
 	httpReq.Header.Set("accessToken", accessToken)
 	httpReq.Header.Set("userId", userId)
 	httpReq.Header.Set("source", "pc")
+	logx.Infof("[云印签API] StartSignFlow: 发送请求，URL: %s, Method: POST, AppID: %s, UserID: %s, AccessToken长度: %d",
+		url, y.config.AppID, userId, len(accessToken))
 
 	resp, err := y.client.Do(httpReq)
 	if err != nil {
+		logx.Errorf("[云印签API] StartSignFlow: HTTP请求失败: %v", err)
 		return nil, fmt.Errorf("请求失败: %v", err)
 	}
 	defer resp.Body.Close()
 
+	logx.Infof("[云印签API] StartSignFlow: 收到响应，状态码: %d", resp.StatusCode)
+
 	body, err := io.ReadAll(resp.Body)
 	if err != nil {
+		logx.Errorf("[云印签API] StartSignFlow: 读取响应体失败: %v", err)
 		return nil, fmt.Errorf("读取响应失败: %v", err)
 	}
+	logx.Infof("[云印签API] StartSignFlow: 响应体: %s", string(body))
 
 	var signFlowResp StartSignFlowResponse
 	if err := json.Unmarshal(body, &signFlowResp); err != nil {
+		logx.Errorf("[云印签API] StartSignFlow: 解析响应失败: %v, 响应内容: %s", err, string(body))
 		return nil, fmt.Errorf("解析响应失败: %v, 响应内容: %s", err, string(body))
 	}
 
+	logx.Infof("[云印签API] StartSignFlow: 响应解析成功，Code: %v, Msg: %s", signFlowResp.Code, signFlowResp.Msg)
+
 	// 检查响应码（可能是字符串"200"或数字200）
 	codeInt := signFlowResp.GetCodeInt()
 	if codeInt != 200 {
+		logx.Errorf("[云印签API] StartSignFlow: API返回错误，Code: %v, Msg: %s", signFlowResp.Code, signFlowResp.Msg)
 		return nil, fmt.Errorf("发起签署失败: %s", signFlowResp.Msg)
 	}
 
 	if signFlowResp.Data == nil {
+		logx.Errorf("[云印签API] StartSignFlow: 签署数据为空")
 		return nil, fmt.Errorf("签署数据为空")
 	}
 
+	logx.Infof("[云印签API] StartSignFlow: 签署数据，流程ID: %s, 流程状态: %d, 流程描述: %s, 参与者数量: %d",
+		signFlowResp.Data.FlowID, signFlowResp.Data.FlowStatus, signFlowResp.Data.FlowDesc, len(signFlowResp.Data.ParticipantList))
+
 	// 从 participantList 中找到签署方2的 participantId
 	var participantID2 string
-	for _, participant := range signFlowResp.Data.ParticipantList {
+	for i, participant := range signFlowResp.Data.ParticipantList {
+		logx.Infof("[云印签API] StartSignFlow: 响应参与者[%d]，标志: %s, 参与者ID: %s, 类型: %d",
+			i, participant.ParticipantFlag, participant.ParticipantID, participant.ParticipantType)
 		if participant.ParticipantFlag == "签署方2" {
 			participantID2 = participant.ParticipantID
+			logx.Infof("[云印签API] StartSignFlow: 找到签署方2，参与者ID: %s", participantID2)
 			break
 		}
 	}
 
 	if participantID2 == "" {
+		logx.Errorf("[云印签API] StartSignFlow: 未找到签署方2的参与者ID，参与者列表: %+v", signFlowResp.Data.ParticipantList)
 		return nil, fmt.Errorf("未找到签署方2的参与者ID")
 	}
 
-	logx.Infof("发起云印签签署流程成功，订单号: %s, 流程ID: %s, 签署方2参与者ID: %s", req.SourceOrderCode, signFlowResp.Data.FlowID, participantID2)
+	logx.Infof("[云印签API] StartSignFlow: 发起签署流程成功，订单号: %s, 流程ID: %s, 签署方2参与者ID: %s",
+		req.SourceOrderCode, signFlowResp.Data.FlowID, participantID2)
 
 	// 返回结果，包含签署方2的参与者ID和流程ID
 	return &StartSignFlowResult{
@@ -389,6 +467,9 @@ type PaymentURLData struct {
 
 // GetPaymentURL 获取支付链接
 func (y *YunYinSignPayService) GetPaymentURL(ctx context.Context, accessToken, userId string, participantID string, payType int) (string, error) {
+	logx.Infof("[云印签API] GetPaymentURL: 开始获取支付链接，参与者ID: %s, 支付类型: %d(0=微信,1=支付宝), 用户ID: %s",
+		participantID, payType, userId)
+
 	reqBody := GetPaymentURLRequest{
 		ParticipantID: participantID,
 		Type:          payType,
@@ -396,12 +477,15 @@ func (y *YunYinSignPayService) GetPaymentURL(ctx context.Context, accessToken, u
 
 	jsonData, err := json.Marshal(reqBody)
 	if err != nil {
+		logx.Errorf("[云印签API] GetPaymentURL: 序列化请求参数失败: %v", err)
 		return "", fmt.Errorf("序列化请求参数失败: %v", err)
 	}
+	logx.Infof("[云印签API] GetPaymentURL: 请求体: %s", string(jsonData))
 
 	url := fmt.Sprintf("%s/signTask/contract/appletForParticipant", y.config.ApiURL)
 	httpReq, err := http.NewRequestWithContext(ctx, "POST", url, bytes.NewReader(jsonData))
 	if err != nil {
+		logx.Errorf("[云印签API] GetPaymentURL: 创建请求失败: %v", err)
 		return "", fmt.Errorf("创建请求失败: %v", err)
 	}
 
@@ -410,28 +494,40 @@ func (y *YunYinSignPayService) GetPaymentURL(ctx context.Context, accessToken, u
 	httpReq.Header.Set("accessToken", accessToken)
 	httpReq.Header.Set("userId", userId)
 	httpReq.Header.Set("source", "pc")
+	logx.Infof("[云印签API] GetPaymentURL: 发送请求，URL: %s, Method: POST, AppID: %s, UserID: %s, AccessToken长度: %d",
+		url, y.config.AppID, userId, len(accessToken))
 
 	resp, err := y.client.Do(httpReq)
 	if err != nil {
+		logx.Errorf("[云印签API] GetPaymentURL: HTTP请求失败: %v", err)
 		return "", fmt.Errorf("请求失败: %v", err)
 	}
 	defer resp.Body.Close()
 
+	logx.Infof("[云印签API] GetPaymentURL: 收到响应，状态码: %d", resp.StatusCode)
+
 	body, err := io.ReadAll(resp.Body)
 	if err != nil {
+		logx.Errorf("[云印签API] GetPaymentURL: 读取响应体失败: %v", err)
 		return "", fmt.Errorf("读取响应失败: %v", err)
 	}
+	logx.Infof("[云印签API] GetPaymentURL: 响应体: %s", string(body))
 
 	var paymentURLResp GetPaymentURLResponse
 	if err := json.Unmarshal(body, &paymentURLResp); err != nil {
+		logx.Errorf("[云印签API] GetPaymentURL: 解析响应失败: %v, 响应内容: %s", err, string(body))
 		return "", fmt.Errorf("解析响应失败: %v, 响应内容: %s", err, string(body))
 	}
 
+	logx.Infof("[云印签API] GetPaymentURL: 响应解析成功，Code: %d, Msg: %s", paymentURLResp.Code, paymentURLResp.Msg)
+
 	if paymentURLResp.Code != 0 {
+		logx.Errorf("[云印签API] GetPaymentURL: API返回错误，Code: %d, Msg: %s", paymentURLResp.Code, paymentURLResp.Msg)
 		return "", fmt.Errorf("获取支付链接失败: %s", paymentURLResp.Msg)
 	}
 
 	if paymentURLResp.Data == nil {
+		logx.Errorf("[云印签API] GetPaymentURL: 支付链接数据为空")
 		return "", fmt.Errorf("支付链接数据为空")
 	}
 
@@ -439,13 +535,15 @@ func (y *YunYinSignPayService) GetPaymentURL(ctx context.Context, accessToken, u
 	payURL := paymentURLResp.Data.PayURL
 	if payURL == "" {
 		payURL = paymentURLResp.Data.URL
+		logx.Infof("[云印签API] GetPaymentURL: PayURL为空，使用URL字段: %s", payURL)
 	}
 
 	if payURL == "" {
+		logx.Errorf("[云印签API] GetPaymentURL: 支付链接为空，响应数据: %+v", paymentURLResp.Data)
 		return "", fmt.Errorf("支付链接为空")
 	}
 
-	logx.Infof("获取云印签支付链接成功，参与者ID: %s", participantID)
+	logx.Infof("[云印签API] GetPaymentURL: 获取支付链接成功，参与者ID: %s, 支付链接: %s", participantID, payURL)
 	return payURL, nil
 }
 
@@ -458,18 +556,28 @@ type CreateYunYinSignPayOrderResult struct {
 
 // CreateYunYinSignPayOrder 创建云印签支付订单（封装完整流程）
 func (y *YunYinSignPayService) CreateYunYinSignPayOrder(ctx context.Context, userMobile, userName string, amount float64, outTradeNo string, payType int) (*CreateYunYinSignPayOrderResult, error) {
+	logx.Infof("[云印签API] CreateYunYinSignPayOrder: 开始创建支付订单，订单号: %s, 用户手机: %s, 用户姓名: %s, 金额: %.2f, 支付类型: %d",
+		outTradeNo, userMobile, userName, amount, payType)
+
 	// 1. 获取token和操作ID（带缓存）
+	logx.Infof("[云印签API] CreateYunYinSignPayOrder: 步骤1-获取AccessToken，订单号: %s", outTradeNo)
 	accessToken, err := y.GetAccessToken(ctx)
 	if err != nil {
+		logx.Errorf("[云印签API] CreateYunYinSignPayOrder: 获取AccessToken失败，订单号: %s, 错误: %v", outTradeNo, err)
 		return nil, fmt.Errorf("获取云印签token失败: %v", err)
 	}
+	logx.Infof("[云印签API] CreateYunYinSignPayOrder: AccessToken获取成功，订单号: %s", outTradeNo)
 
+	logx.Infof("[云印签API] CreateYunYinSignPayOrder: 步骤2-获取操作ID，订单号: %s", outTradeNo)
 	operationUserId, err := y.GetUserId(ctx, accessToken)
 	if err != nil {
+		logx.Errorf("[云印签API] CreateYunYinSignPayOrder: 获取操作ID失败，订单号: %s, 错误: %v", outTradeNo, err)
 		return nil, fmt.Errorf("获取云印签操作ID失败: %v", err)
 	}
+	logx.Infof("[云印签API] CreateYunYinSignPayOrder: 操作ID获取成功，订单号: %s, 操作ID: %s", outTradeNo, operationUserId)
 
 	// 2. 构建参与者列表
+	logx.Infof("[云印签API] CreateYunYinSignPayOrder: 步骤3-构建参与者列表，订单号: %s", outTradeNo)
 	participantList := []ParticipantInfo{
 		// 签署方1：我方
 		{
@@ -497,8 +605,11 @@ func (y *YunYinSignPayService) CreateYunYinSignPayOrder(ctx context.Context, use
 			},
 		},
 	}
+	logx.Infof("[云印签API] CreateYunYinSignPayOrder: 参与者列表构建完成，订单号: %s, 签署方1: %s(%s), 签署方2: %s(%s), 金额: %.2f",
+		outTradeNo, y.config.Name, y.config.Mobile, userName, userMobile, amount)
 
 	// 3. 发起签署流程
+	logx.Infof("[云印签API] CreateYunYinSignPayOrder: 步骤4-发起签署流程，订单号: %s, 模板代码: %s", outTradeNo, y.config.TemplateCode)
 	startSignFlowReq := &StartSignFlowRequest{
 		TemplateCode:    y.config.TemplateCode,
 		TemplateName:    y.config.TemplateName,
@@ -510,24 +621,35 @@ func (y *YunYinSignPayService) CreateYunYinSignPayOrder(ctx context.Context, use
 
 	signFlowData, err := y.StartSignFlow(ctx, accessToken, operationUserId, startSignFlowReq)
 	if err != nil {
+		logx.Errorf("[云印签API] CreateYunYinSignPayOrder: 发起签署流程失败，订单号: %s, 错误: %v", outTradeNo, err)
 		return nil, fmt.Errorf("发起云印签签署失败: %v", err)
 	}
 
 	if signFlowData.ParticipantID == "" {
+		logx.Errorf("[云印签API] CreateYunYinSignPayOrder: 签署流程返回的参与者ID为空，订单号: %s", outTradeNo)
 		return nil, fmt.Errorf("签署流程返回的参与者ID为空")
 	}
+	logx.Infof("[云印签API] CreateYunYinSignPayOrder: 签署流程发起成功，订单号: %s, 任务ID: %s, 参与者ID: %s",
+		outTradeNo, signFlowData.TaskID, signFlowData.ParticipantID)
 
 	// 4. 获取支付链接
+	logx.Infof("[云印签API] CreateYunYinSignPayOrder: 步骤5-获取支付链接，订单号: %s, 参与者ID: %s, 支付类型: %d",
+		outTradeNo, signFlowData.ParticipantID, payType)
 	payURL, err := y.GetPaymentURL(ctx, accessToken, operationUserId, signFlowData.ParticipantID, payType)
 	if err != nil {
+		logx.Errorf("[云印签API] CreateYunYinSignPayOrder: 获取支付链接失败，订单号: %s, 错误: %v", outTradeNo, err)
 		return nil, fmt.Errorf("获取云印签支付链接失败: %v", err)
 	}
 
-	return &CreateYunYinSignPayOrderResult{
+	result := &CreateYunYinSignPayOrderResult{
 		PayURL:        payURL,
 		ParticipantID: signFlowData.ParticipantID,
 		TaskID:        signFlowData.TaskID,
-	}, nil
+	}
+	logx.Infof("[云印签API] CreateYunYinSignPayOrder: 创建支付订单完成，订单号: %s, 任务ID: %s, 参与者ID: %s, 支付链接: %s",
+		outTradeNo, result.TaskID, result.ParticipantID, result.PayURL)
+
+	return result, nil
 }
 
 // QueryPayeeBillRequest 查询收款单请求
@@ -607,18 +729,25 @@ func (r *QueryPayeeBillResponse) GetCodeInt() int {
 
 // QueryPayeeBill 查询收款单（根据sourceOrderCode查询）
 func (y *YunYinSignPayService) QueryPayeeBill(ctx context.Context, sourceOrderCode string) (*QueryPayeeBillResult, error) {
+	logx.Infof("[云印签API] QueryPayeeBill: 开始查询收款单，订单号: %s", sourceOrderCode)
+
 	// 1. 获取token和操作ID（带缓存）
+	logx.Infof("[云印签API] QueryPayeeBill: 步骤1-获取AccessToken，订单号: %s", sourceOrderCode)
 	accessToken, err := y.GetAccessToken(ctx)
 	if err != nil {
+		logx.Errorf("[云印签API] QueryPayeeBill: 获取AccessToken失败，订单号: %s, 错误: %v", sourceOrderCode, err)
 		return nil, fmt.Errorf("获取云印签token失败: %v", err)
 	}
 
+	logx.Infof("[云印签API] QueryPayeeBill: 步骤2-获取操作ID，订单号: %s", sourceOrderCode)
 	operationUserId, err := y.GetUserId(ctx, accessToken)
 	if err != nil {
+		logx.Errorf("[云印签API] QueryPayeeBill: 获取操作ID失败，订单号: %s, 错误: %v", sourceOrderCode, err)
 		return nil, fmt.Errorf("获取云印签操作ID失败: %v", err)
 	}
 
 	// 2. 构建查询请求
+	logx.Infof("[云印签API] QueryPayeeBill: 步骤3-构建查询请求，订单号: %s", sourceOrderCode)
 	reqBody := QueryPayeeBillRequest{
 		SourceOrderCode: sourceOrderCode,
 		ListPageNo:      1,
@@ -627,13 +756,16 @@ func (y *YunYinSignPayService) QueryPayeeBill(ctx context.Context, sourceOrderCo
 
 	jsonData, err := json.Marshal(reqBody)
 	if err != nil {
+		logx.Errorf("[云印签API] QueryPayeeBill: 序列化请求参数失败，订单号: %s, 错误: %v", sourceOrderCode, err)
 		return nil, fmt.Errorf("序列化请求参数失败: %v", err)
 	}
+	logx.Infof("[云印签API] QueryPayeeBill: 请求体: %s", string(jsonData))
 
 	// 3. 调用查询API
 	url := fmt.Sprintf("%s/signFlowBill/payeeBillList", y.config.ApiURL)
 	httpReq, err := http.NewRequestWithContext(ctx, "POST", url, bytes.NewReader(jsonData))
 	if err != nil {
+		logx.Errorf("[云印签API] QueryPayeeBill: 创建请求失败，订单号: %s, 错误: %v", sourceOrderCode, err)
 		return nil, fmt.Errorf("创建请求失败: %v", err)
 	}
 
@@ -642,46 +774,61 @@ func (y *YunYinSignPayService) QueryPayeeBill(ctx context.Context, sourceOrderCo
 	httpReq.Header.Set("accessToken", accessToken)
 	httpReq.Header.Set("userId", operationUserId)
 	httpReq.Header.Set("source", "pc")
+	logx.Infof("[云印签API] QueryPayeeBill: 发送请求，URL: %s, Method: POST, 订单号: %s", url, sourceOrderCode)
 
 	resp, err := y.client.Do(httpReq)
 	if err != nil {
+		logx.Errorf("[云印签API] QueryPayeeBill: HTTP请求失败，订单号: %s, 错误: %v", sourceOrderCode, err)
 		return nil, fmt.Errorf("请求失败: %v", err)
 	}
 	defer resp.Body.Close()
 
+	logx.Infof("[云印签API] QueryPayeeBill: 收到响应，订单号: %s, 状态码: %d", sourceOrderCode, resp.StatusCode)
+
 	body, err := io.ReadAll(resp.Body)
 	if err != nil {
+		logx.Errorf("[云印签API] QueryPayeeBill: 读取响应体失败，订单号: %s, 错误: %v", sourceOrderCode, err)
 		return nil, fmt.Errorf("读取响应失败: %v", err)
 	}
+	logx.Infof("[云印签API] QueryPayeeBill: 响应体，订单号: %s, 内容: %s", sourceOrderCode, string(body))
 
 	var queryResp QueryPayeeBillResponse
 	if err := json.Unmarshal(body, &queryResp); err != nil {
+		logx.Errorf("[云印签API] QueryPayeeBill: 解析响应失败，订单号: %s, 错误: %v, 响应内容: %s", sourceOrderCode, err, string(body))
 		return nil, fmt.Errorf("解析响应失败: %v, 响应内容: %s", err, string(body))
 	}
 
+	logx.Infof("[云印签API] QueryPayeeBill: 响应解析成功，订单号: %s, Code: %v, Msg: %s, 总记录数: %d, 总页数: %d",
+		sourceOrderCode, queryResp.Code, queryResp.Msg, queryResp.TotalCount, queryResp.ListPageCount)
+
 	// 4. 检查响应码
 	codeInt := queryResp.GetCodeInt()
 	if codeInt != 200 {
+		logx.Errorf("[云印签API] QueryPayeeBill: API返回错误，订单号: %s, Code: %v, Msg: %s", sourceOrderCode, queryResp.Code, queryResp.Msg)
 		return nil, fmt.Errorf("查询收款单失败: %s", queryResp.Msg)
 	}
 
 	// 5. 查找匹配的记录（根据sourceOrderCode）
 	if len(queryResp.Data) == 0 {
+		logx.Infof("[云印签API] QueryPayeeBill: 未找到匹配的收款单记录，订单号: %s", sourceOrderCode)
 		return nil, fmt.Errorf("未找到匹配的收款单记录")
 	}
 
 	// 取第一条记录（因为我们已经用sourceOrderCode精确查询）
 	billItem := queryResp.Data[0]
+	logx.Infof("[云印签API] QueryPayeeBill: 找到收款单记录，订单号: %s, 支付单号: %s, 支付状态: %d, 金额: %.2f, 退款金额: %.2f, 渠道单号: %s, 参与方ID: %d",
+		sourceOrderCode, billItem.PayOrderCode, billItem.PayStatus, billItem.Amount, billItem.RefundAmount, billItem.ChannelOrderNo, billItem.ParticipateID)
 
-	logx.Infof("查询云印签收款单成功，订单号: %s, 支付状态: %d", sourceOrderCode, billItem.PayStatus)
-
-	return &QueryPayeeBillResult{
+	result := &QueryPayeeBillResult{
 		PayStatus:      billItem.PayStatus,
 		PayOrderCode:   billItem.PayOrderCode,
 		ChannelOrderNo: billItem.ChannelOrderNo,
 		Amount:         billItem.Amount,
 		RefundAmount:   billItem.RefundAmount,
-	}, nil
+	}
+	logx.Infof("[云印签API] QueryPayeeBill: 查询收款单完成，订单号: %s, 支付状态: %d", sourceOrderCode, result.PayStatus)
+
+	return result, nil
 }
 
 // RefundPayeeBillRequest 退款请求
@@ -718,19 +865,27 @@ func (r *RefundPayeeBillResponse) GetCodeInt() int {
 
 // RefundPayeeBill 发起退款
 func (y *YunYinSignPayService) RefundPayeeBill(ctx context.Context, sourceOrderCode string, participateId int64, refundAmount float64, refundReason string) error {
+	logx.Infof("[云印签API] RefundPayeeBill: 开始发起退款，订单号: %s, 参与方ID: %d, 退款金额: %.2f, 退款原因: %s",
+		sourceOrderCode, participateId, refundAmount, refundReason)
+
 	// 1. 获取token和操作ID（带缓存）
+	logx.Infof("[云印签API] RefundPayeeBill: 步骤1-获取AccessToken，订单号: %s", sourceOrderCode)
 	accessToken, err := y.GetAccessToken(ctx)
 	if err != nil {
+		logx.Errorf("[云印签API] RefundPayeeBill: 获取AccessToken失败，订单号: %s, 错误: %v", sourceOrderCode, err)
 		return fmt.Errorf("获取云印签token失败: %v", err)
 	}
 
+	logx.Infof("[云印签API] RefundPayeeBill: 步骤2-获取操作ID，订单号: %s", sourceOrderCode)
 	operationUserId, err := y.GetUserId(ctx, accessToken)
 	if err != nil {
+		logx.Errorf("[云印签API] RefundPayeeBill: 获取操作ID失败，订单号: %s, 错误: %v", sourceOrderCode, err)
 		return fmt.Errorf("获取云印签操作ID失败: %v", err)
 	}
 
 	// 2. 如果只提供了 sourceOrderCode，需要先查询收款单获取 participateId
 	if participateId == 0 && sourceOrderCode != "" {
+		logx.Infof("[云印签API] RefundPayeeBill: 参与方ID为空，通过订单号查询，订单号: %s", sourceOrderCode)
 		// 查询收款单列表获取 participateId
 		reqBody := QueryPayeeBillRequest{
 			SourceOrderCode: sourceOrderCode,
@@ -740,12 +895,15 @@ func (y *YunYinSignPayService) RefundPayeeBill(ctx context.Context, sourceOrderC
 
 		jsonData, err := json.Marshal(reqBody)
 		if err != nil {
+			logx.Errorf("[云印签API] RefundPayeeBill: 序列化查询请求失败，订单号: %s, 错误: %v", sourceOrderCode, err)
 			return fmt.Errorf("序列化查询请求失败: %v", err)
 		}
+		logx.Infof("[云印签API] RefundPayeeBill: 查询请求体: %s", string(jsonData))
 
 		url := fmt.Sprintf("%s/signFlowBill/payeeBillList", y.config.ApiURL)
 		httpReq, err := http.NewRequestWithContext(ctx, "POST", url, bytes.NewReader(jsonData))
 		if err != nil {
+			logx.Errorf("[云印签API] RefundPayeeBill: 创建查询请求失败，订单号: %s, 错误: %v", sourceOrderCode, err)
 			return fmt.Errorf("创建查询请求失败: %v", err)
 		}
 
@@ -754,48 +912,65 @@ func (y *YunYinSignPayService) RefundPayeeBill(ctx context.Context, sourceOrderC
 		httpReq.Header.Set("accessToken", accessToken)
 		httpReq.Header.Set("userId", operationUserId)
 		httpReq.Header.Set("source", "pc")
+		logx.Infof("[云印签API] RefundPayeeBill: 发送查询请求，URL: %s, 订单号: %s", url, sourceOrderCode)
 
 		resp, err := y.client.Do(httpReq)
 		if err != nil {
+			logx.Errorf("[云印签API] RefundPayeeBill: 查询请求失败，订单号: %s, 错误: %v", sourceOrderCode, err)
 			return fmt.Errorf("查询请求失败: %v", err)
 		}
 		defer resp.Body.Close()
 
+		logx.Infof("[云印签API] RefundPayeeBill: 收到查询响应，订单号: %s, 状态码: %d", sourceOrderCode, resp.StatusCode)
+
 		body, err := io.ReadAll(resp.Body)
 		if err != nil {
+			logx.Errorf("[云印签API] RefundPayeeBill: 读取查询响应失败，订单号: %s, 错误: %v", sourceOrderCode, err)
 			return fmt.Errorf("读取查询响应失败: %v", err)
 		}
+		logx.Infof("[云印签API] RefundPayeeBill: 查询响应体，订单号: %s, 内容: %s", sourceOrderCode, string(body))
 
 		var queryResp QueryPayeeBillResponse
 		if err := json.Unmarshal(body, &queryResp); err != nil {
+			logx.Errorf("[云印签API] RefundPayeeBill: 解析查询响应失败，订单号: %s, 错误: %v, 响应内容: %s", sourceOrderCode, err, string(body))
 			return fmt.Errorf("解析查询响应失败: %v, 响应内容: %s", err, string(body))
 		}
 
+		logx.Infof("[云印签API] RefundPayeeBill: 查询响应解析成功，订单号: %s, Code: %v, Msg: %s, 记录数: %d",
+			sourceOrderCode, queryResp.Code, queryResp.Msg, len(queryResp.Data))
+
 		codeInt := queryResp.GetCodeInt()
 		if codeInt != 200 {
+			logx.Errorf("[云印签API] RefundPayeeBill: 查询收款单失败，订单号: %s, Code: %v, Msg: %s", sourceOrderCode, queryResp.Code, queryResp.Msg)
 			return fmt.Errorf("查询收款单失败: %s", queryResp.Msg)
 		}
 
 		if len(queryResp.Data) == 0 {
+			logx.Errorf("[云印签API] RefundPayeeBill: 未找到匹配的收款单记录，订单号: %s", sourceOrderCode)
 			return fmt.Errorf("未找到匹配的收款单记录，订单号: %s", sourceOrderCode)
 		}
 
 		// 获取第一条记录的 participateId
 		billItem := queryResp.Data[0]
 		participateId = billItem.ParticipateID
-		logx.Infof("通过订单号查询到参与方ID: %d", participateId)
+		logx.Infof("[云印签API] RefundPayeeBill: 通过订单号查询到参与方ID，订单号: %s, 参与方ID: %d, 支付单号: %s",
+			sourceOrderCode, participateId, billItem.PayOrderCode)
 	}
 
 	// 3. 验证参数
 	if participateId == 0 {
+		logx.Errorf("[云印签API] RefundPayeeBill: 参与方ID不能为空，订单号: %s", sourceOrderCode)
 		return fmt.Errorf("参与方ID不能为空，请提供 participateId 或 sourceOrderCode")
 	}
 
 	if refundAmount <= 0 {
+		logx.Errorf("[云印签API] RefundPayeeBill: 退款金额必须大于0，订单号: %s, 退款金额: %.2f", sourceOrderCode, refundAmount)
 		return fmt.Errorf("退款金额必须大于0")
 	}
 
 	// 4. 构建退款请求
+	logx.Infof("[云印签API] RefundPayeeBill: 步骤3-构建退款请求，订单号: %s, 参与方ID: %d, 退款金额: %.2f",
+		sourceOrderCode, participateId, refundAmount)
 	refundReq := RefundPayeeBillRequest{
 		RefundAmount: refundAmount,
 		RefundReason: refundReason,
@@ -804,20 +979,25 @@ func (y *YunYinSignPayService) RefundPayeeBill(ctx context.Context, sourceOrderC
 	// 优先使用 participateId
 	if participateId > 0 {
 		refundReq.ParticipateId = participateId
+		logx.Infof("[云印签API] RefundPayeeBill: 使用参与方ID，订单号: %s, 参与方ID: %d", sourceOrderCode, participateId)
 	} else if sourceOrderCode != "" {
 		// 如果 participateId 仍然为0，使用 sourceOrderCode
 		refundReq.SourceOrderCode = sourceOrderCode
+		logx.Infof("[云印签API] RefundPayeeBill: 使用订单号，订单号: %s", sourceOrderCode)
 	}
 
 	jsonData, err := json.Marshal(refundReq)
 	if err != nil {
+		logx.Errorf("[云印签API] RefundPayeeBill: 序列化退款请求失败，订单号: %s, 错误: %v", sourceOrderCode, err)
 		return fmt.Errorf("序列化退款请求失败: %v", err)
 	}
+	logx.Infof("[云印签API] RefundPayeeBill: 退款请求体: %s", string(jsonData))
 
 	// 5. 调用退款API
 	url := fmt.Sprintf("%s/signFlowBill/refund", y.config.ApiURL)
 	httpReq, err := http.NewRequestWithContext(ctx, "POST", url, bytes.NewReader(jsonData))
 	if err != nil {
+		logx.Errorf("[云印签API] RefundPayeeBill: 创建退款请求失败，订单号: %s, 错误: %v", sourceOrderCode, err)
 		return fmt.Errorf("创建退款请求失败: %v", err)
 	}
 
@@ -826,29 +1006,41 @@ func (y *YunYinSignPayService) RefundPayeeBill(ctx context.Context, sourceOrderC
 	httpReq.Header.Set("accessToken", accessToken)
 	httpReq.Header.Set("userId", operationUserId)
 	httpReq.Header.Set("source", "pc")
+	logx.Infof("[云印签API] RefundPayeeBill: 发送退款请求，URL: %s, Method: POST, 订单号: %s, 参与方ID: %d, 退款金额: %.2f",
+		url, sourceOrderCode, participateId, refundAmount)
 
 	resp, err := y.client.Do(httpReq)
 	if err != nil {
+		logx.Errorf("[云印签API] RefundPayeeBill: HTTP请求失败，订单号: %s, 错误: %v", sourceOrderCode, err)
 		return fmt.Errorf("退款请求失败: %v", err)
 	}
 	defer resp.Body.Close()
 
+	logx.Infof("[云印签API] RefundPayeeBill: 收到退款响应，订单号: %s, 状态码: %d", sourceOrderCode, resp.StatusCode)
+
 	body, err := io.ReadAll(resp.Body)
 	if err != nil {
+		logx.Errorf("[云印签API] RefundPayeeBill: 读取退款响应失败，订单号: %s, 错误: %v", sourceOrderCode, err)
 		return fmt.Errorf("读取退款响应失败: %v", err)
 	}
+	logx.Infof("[云印签API] RefundPayeeBill: 退款响应体，订单号: %s, 内容: %s", sourceOrderCode, string(body))
 
 	var refundResp RefundPayeeBillResponse
 	if err := json.Unmarshal(body, &refundResp); err != nil {
+		logx.Errorf("[云印签API] RefundPayeeBill: 解析退款响应失败，订单号: %s, 错误: %v, 响应内容: %s", sourceOrderCode, err, string(body))
 		return fmt.Errorf("解析退款响应失败: %v, 响应内容: %s", err, string(body))
 	}
 
+	logx.Infof("[云印签API] RefundPayeeBill: 退款响应解析成功，订单号: %s, Code: %v, Msg: %s", sourceOrderCode, refundResp.Code, refundResp.Msg)
+
 	// 6. 检查响应码
 	codeInt := refundResp.GetCodeInt()
 	if codeInt != 200 {
+		logx.Errorf("[云印签API] RefundPayeeBill: API返回错误，订单号: %s, Code: %v, Msg: %s", sourceOrderCode, refundResp.Code, refundResp.Msg)
 		return fmt.Errorf("退款失败: %s", refundResp.Msg)
 	}
 
-	logx.Infof("云印签退款成功，参与方ID: %d, 退款金额: %.2f, 退款原因: %s", participateId, refundAmount, refundReason)
+	logx.Infof("[云印签API] RefundPayeeBill: 退款成功，订单号: %s, 参与方ID: %d, 退款金额: %.2f, 退款原因: %s",
+		sourceOrderCode, participateId, refundAmount, refundReason)
 	return nil
 }