diff --git a/internal/biz/cmb.go b/internal/biz/cmb.go
index a5edca9..c394d85 100644
--- a/internal/biz/cmb.go
+++ b/internal/biz/cmb.go
@@ -129,18 +129,15 @@ func (v *VoucherBiz) CmbProductQuery(ctx context.Context, productNo string) (rep
 		inputFormat := time.RFC3339
 
 		if wechatResp.AvailableBeginTime != nil {
-			availableBeginTime, _ := time.Parse(inputFormat, *wechatResp.AvailableBeginTime)
-			reps.StartTime = availableBeginTime.Format(time.DateTime)
-			reps.SaleStartTime = reps.StartTime
 
+			availableBeginTime, _ := time.Parse(inputFormat, *wechatResp.AvailableBeginTime)
+			reps.StartTime = availableBeginTime.Format("2006-01-02 15:04:05.000")
 			reps.SaleStartTime = reps.StartTime
 		}
 
 		if wechatResp.AvailableEndTime != nil {
 			availableEndTime, _ := time.Parse(inputFormat, *wechatResp.AvailableEndTime)
-			reps.EndTime = availableEndTime.Format(time.DateTime)
-			reps.SaleEndTime = reps.EndTime
-
+			reps.EndTime = availableEndTime.Format("2006-01-02 15:04:05.000")
 			reps.SaleEndTime = reps.EndTime
 		}