diff --git a/erp/shipment.go b/erp/shipment.go
index 4f14d5e..921ad1e 100644
--- a/erp/shipment.go
+++ b/erp/shipment.go
@@ -72,7 +72,7 @@ type ShipmentAdd struct {
 	VouchingClerkId              int64            // 单证id
 	EstSailingDate               *time.Time       // 预计船期
 	InvoiceSerial                string           // 发票号
-	InvoiceDate                  time.Time        // 发票日期
+	InvoiceDate                  *time.Time       // 发票日期
 	ContractDate                 *time.Time       // 合同日期
 	TradeType                    string           // 贸易类型
 	OurCompany                   string           // 我方公司
diff --git a/erp/shipment/bean.go b/erp/shipment/bean.go
index ab64c6f..dce3f2e 100644
--- a/erp/shipment/bean.go
+++ b/erp/shipment/bean.go
@@ -13,7 +13,7 @@ type ReplyShipmentInfo struct {
 	CustomShortName              string           `json:"customShortName"`
 	EstSailingDate               *time.Time       `json:"estSailingDate"`
 	InvoiceSerial                string           `json:"invoiceSerial"`
-	InvoiceDate                  time.Time        `json:"invoiceDate"`
+	InvoiceDate                  *time.Time       `json:"invoiceDate"`
 	ContractDate                 *time.Time       `json:"contractDate"`
 	TradeType                    string           `json:"tradeType"`
 	OurCompany                   string           `json:"ourCompany"`