diff --git a/internal/api/conversation/conversation.go b/internal/api/conversation/conversation.go
index 3840ee987..b8c96fc28 100644
--- a/internal/api/conversation/conversation.go
+++ b/internal/api/conversation/conversation.go
@@ -180,7 +180,9 @@ func SetReceiveMessageOpt(c *gin.Context) {
 
 	for _, v := range resp.OptResult {
 		var opt OptResult
+		log.NewDebug("CopyStructFields begin ", v, req.OperationID)
 		err := utils.CopyStructFields(&opt, v)
+		log.NewDebug("CopyStructFields end ", v, req.OperationID)
 		if err != nil {
 			log.NewError(req.OperationID, "CopyStructFields failed ", err.Error())
 			continue