diff --git a/internal/service/cmb.go b/internal/service/cmb.go
index f2a3f60..cc0d42d 100644
--- a/internal/service/cmb.go
+++ b/internal/service/cmb.go
@@ -36,7 +36,7 @@ func (s *VoucherService) CmbOrder(ctx http.Context) error {
 			ThirdErrCode: se.Reason,
 		}
 
-		log.Errorf("cmbOrder error: %v", err)
+		log.Errorf("cmbOrder: %v", err)
 	} else {
 		bizReply = &v1.CmbOrderReply{
 			RespCode: vo.CmbResponseStatusSuccess.GetValue(),
@@ -54,7 +54,7 @@ func (s *VoucherService) CmbOrder(ctx http.Context) error {
 
 	reply, err = s.CmbMixRepo.GetResponse(ctx, xx)
 	if err != nil {
-		log.Errorf("CmbOrder GetResponse error: %v", err)
+		log.Errorf("CmbOrder GetResponse: %v", err)
 		return ctx.JSON(400, err)
 	}
 
@@ -120,7 +120,7 @@ func (s *VoucherService) CmbQuery(ctx http.Context) error {
 		req.RespMsg = err.Error()
 		req.BizContent = ""
 
-		log.Errorf("CmbQuery error: %v", err)
+		log.Errorf("CmbQuery: %v", err)
 	} else {
 
 		replyBizContentBytes, _ := json.Marshal(bizReply)
@@ -132,7 +132,7 @@ func (s *VoucherService) CmbQuery(ctx http.Context) error {
 
 	reply, err = s.CmbMixRepo.GetResponse(ctx, req)
 	if err != nil {
-		log.Errorf("cmbProductQuery GetResponse error: %v", err)
+		log.Errorf("cmbProductQuery GetResponse: %v", err)
 		return ctx.JSON(400, err)
 	}
 
@@ -186,7 +186,7 @@ func (s *VoucherService) CmbProductQuery(ctx http.Context) error {
 			ThirdErrCode: se.Reason,
 		}
 
-		log.Errorf("cmbProductQuery error: %v", err)
+		log.Errorf("cmbProductQuery: %v", err)
 	}
 
 	replyBizContent, _ := json.Marshal(bizReply)
@@ -198,7 +198,7 @@ func (s *VoucherService) CmbProductQuery(ctx http.Context) error {
 
 	reply, err = s.CmbMixRepo.GetResponse(ctx, xx)
 	if err != nil {
-		log.Errorf("cmbProductQuery GetResponse error: %v", err)
+		log.Errorf("cmbProductQuery GetResponse: %v", err)
 		return ctx.JSON(400, err)
 	}