diff --git a/go.mod b/go.mod
index 8e38ff6..dbbc59b 100644
--- a/go.mod
+++ b/go.mod
@@ -10,7 +10,7 @@ require (
 	github.com/skeris/appInit v1.0.2
 	github.com/themakers/hlog v0.0.0-20191205140925-235e0e4baddf
 	go.uber.org/zap v1.26.0
-	penahub.gitlab.yandexcloud.net/backend/quiz/common.git v0.0.0-20240314133622-a34c0e2e5168
+	penahub.gitlab.yandexcloud.net/backend/quiz/common.git v0.0.0-20240315104507-0adfe44ab87f
 )
 
 require (
diff --git a/go.sum b/go.sum
index 62028a9..45d7b03 100644
--- a/go.sum
+++ b/go.sum
@@ -189,7 +189,7 @@ gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
 penahub.gitlab.yandexcloud.net/backend/penahub_common v0.0.0-20240202120244-c4ef330cfe5d h1:gbaDt35HMDqOK84WYmDIlXMI7rstUcRqNttaT6Kx1do=
 penahub.gitlab.yandexcloud.net/backend/penahub_common v0.0.0-20240202120244-c4ef330cfe5d/go.mod h1:lTmpjry+8evVkXWbEC+WMOELcFkRD1lFMc7J09mOndM=
-penahub.gitlab.yandexcloud.net/backend/quiz/common.git v0.0.0-20240314133622-a34c0e2e5168 h1:KYujnAq8IOdTe9QESIivXKeaBTt+e4jVN0FiWlKyggw=
-penahub.gitlab.yandexcloud.net/backend/quiz/common.git v0.0.0-20240314133622-a34c0e2e5168/go.mod h1:okduDAq0NVVDcM+TMyrd4mVXzBMeTzYI2B2/yi1sL1Y=
+penahub.gitlab.yandexcloud.net/backend/quiz/common.git v0.0.0-20240315104507-0adfe44ab87f h1:mcU0rxn/osl3iM7RpWyFxb88Xk3a/1WMPT8vyWzDXqs=
+penahub.gitlab.yandexcloud.net/backend/quiz/common.git v0.0.0-20240315104507-0adfe44ab87f/go.mod h1:okduDAq0NVVDcM+TMyrd4mVXzBMeTzYI2B2/yi1sL1Y=
 penahub.gitlab.yandexcloud.net/backend/quiz/core.git v0.0.0-20240313165712-63460dc78d4f h1:bb6dpmEKUOA6XjNyW66A8lPNRl4pISrZ2q/7J0C3mkk=
 penahub.gitlab.yandexcloud.net/backend/quiz/core.git v0.0.0-20240313165712-63460dc78d4f/go.mod h1:1L60BR27jRadx5JtRKZHYPM5Lilz5Yg+geFSgY7eCnM=
diff --git a/service/service.go b/service/service.go
index 9d0cc91..f490c54 100644
--- a/service/service.go
+++ b/service/service.go
@@ -264,6 +264,15 @@ func (s *Service) PutAnswersOnePiece(c *fiber.Ctx) error {
 	fileIDMap := make(map[uint64]string)
 
 	for _, ans := range answersRaw {
+		if ans.Content != "" {
+			content := model.ResultContent{}
+			err := json.Unmarshal([]byte(ans.Content), &content)
+			if err != nil {
+				return c.Status(fiber.StatusInternalServerError).SendString("error unmarshalling answer content: " + err.Error())
+			}
+			ans.Start = content.Start
+		}
+
 		ans.DeviceType = deviceType
 		ans.Device = device
 		ans.OS = os