diff --git a/modules/smithy/api_trade.go b/modules/smithy/api_trade.go
index cf6a510ad..398f1c4e7 100644
--- a/modules/smithy/api_trade.go
+++ b/modules/smithy/api_trade.go
@@ -1,6 +1,7 @@
 package smithy
 
 import (
+	"errors"
 	"go_dreamfactory/comm"
 	"go_dreamfactory/pb"
 )
@@ -28,11 +29,21 @@ func (this *apiComp) Sell(session comm.IUserSession, req *pb.SmithySellReq) (err
 
 	cus, err := this.module.modelTrade.updateCustomer(session.GetUserId(), req.CustomerId)
 	if err != nil {
-		errdata = &pb.ErrorData{
-			Code:    pb.ErrorCode_ReqParameterError,
-			Title:   pb.ErrorCode_ReqParameterError.ToString(),
-			Message: err.Error(),
+		var customErr = new(comm.CustomError)
+		if errors.As(err, &customErr) {
+			errdata = &pb.ErrorData{
+				Code:    customErr.Code,
+				Title:   customErr.Code.ToString(),
+				Message: err.Error(),
+			}
+		} else {
+			errdata = &pb.ErrorData{
+				Code:    pb.ErrorCode_DBError,
+				Title:   pb.ErrorCode_DBError.ToString(),
+				Message: err.Error(),
+			}
 		}
+
 		return
 	}
 
diff --git a/modules/smithy/model_trade.go b/modules/smithy/model_trade.go
index 3436ea64e..82c3fe978 100644
--- a/modules/smithy/model_trade.go
+++ b/modules/smithy/model_trade.go
@@ -147,7 +147,7 @@ func (s *modelTrade) updateCustomer(uid string, customerId int32) (*pb.DBCustome
 		})
 		cus.LastRefreshTime = configure.Now().Unix()
 		update := map[string]interface{}{
-			"customerIds":     cus.Customers,
+			"customers":       cus.Customers,
 			"total":           cus.Total,
 			"lastRefreshTime": cus.LastRefreshTime,
 		}