diff --git a/api/v1/cmb_cpn.proto b/api/v1/cmb_cpn.proto
index 59cf40a..fd8a20b 100644
--- a/api/v1/cmb_cpn.proto
+++ b/api/v1/cmb_cpn.proto
@@ -120,6 +120,11 @@ message CmbQueryProductReply {
   string availableStock = 17 [json_name = "availableStock"];
   // 细则描述
   string detail = 18 [json_name = "detail"];
+
+  // 批次开始日期 格式yyyy-mm-dd hh:mm:ss.sss
+  string saleStartTime = 19 [json_name = "saleStartTime"];
+  // 批次结束时间，格式yyyy-mm-dd hh:mm:ss.sss
+  string saleEndTime = 20 [json_name = "saleEndTime"];
 }
 
 
diff --git a/internal/biz/cmb.go b/internal/biz/cmb.go
index 8f57509..4d8e125 100644
--- a/internal/biz/cmb.go
+++ b/internal/biz/cmb.go
@@ -121,6 +121,9 @@ func (v *VoucherBiz) CmbProductQuery(ctx context.Context, productNo string) (rep
 			EndTime:        *wechatResp.AvailableEndTime,
 			AvailableStock: "",
 			Detail:         *wechatResp.Description,
+
+			SaleStartTime: *wechatResp.StartTime,
+			SaleEndTime:   *wechatResp.StopTime,
 		}
 
 		reps.Amount = fmt.Sprintf("%d", *wechatResp.StockUseRule.FixedNormalCoupon.CouponAmount)