diff --git a/internal/app/api/idl/bilibili_picture.go b/internal/app/api/idl/bilibili_picture.go
index 8a1805d..4b1034a 100644
--- a/internal/app/api/idl/bilibili_picture.go
+++ b/internal/app/api/idl/bilibili_picture.go
@@ -93,9 +93,10 @@ type BilibiliPictureRandomResp struct {
 	DynamicURL string `json:"dynamic_url"`
 }
 type BilibiliDynamicDTO struct {
-	DynamicID uint64                  `json:"dynamic_id"`
-	Pictures  BilibiliDynamicPictures `json:"pictures"`
-	SentAt    uint64                  `json:"sent_at"`
+	DynamicID    uint64                  `json:"dynamic_id"`
+	Pictures     BilibiliDynamicPictures `json:"pictures"`
+	SentAt       uint64                  `json:"sent_at"`
+	DynamicIDStr string                  `json:"dynamic_id_str"`
 }
 type BilibiliRandomPictures []BilibiliRandomPicture
 type BilibiliRandomPicture struct {
diff --git a/internal/app/api/service/bilbil_picture.go b/internal/app/api/service/bilbil_picture.go
index ff441ae..a78ae4f 100644
--- a/internal/app/api/service/bilbil_picture.go
+++ b/internal/app/api/service/bilbil_picture.go
@@ -125,9 +125,10 @@ func (service *BilbilPicture) Latest(ctx context.Context, req idl.BilibiliPictur
 	}
 	for i := range list {
 		resp.Result = append(resp.Result, &idl.BilibiliDynamicDTO{
-			DynamicID: list[i].DynamicID,
-			Pictures:  list[i].Pictures,
-			SentAt:    list[i].SentAt,
+			DynamicID:    list[i].DynamicID,
+			Pictures:     list[i].Pictures,
+			SentAt:       list[i].SentAt,
+			DynamicIDStr: fmt.Sprintf("%d", list[i].DynamicID),
 		})
 	}
 	return &resp, nil
@@ -147,9 +148,10 @@ func (service *BilbilPicture) Recommend(ctx context.Context, req idl.BilibiliPic
 	}
 	for i := range list {
 		resp.Result = append(resp.Result, &idl.BilibiliDynamicDTO{
-			DynamicID: list[i].DynamicID,
-			Pictures:  list[i].Pictures,
-			SentAt:    list[i].SentAt,
+			DynamicID:    list[i].DynamicID,
+			Pictures:     list[i].Pictures,
+			SentAt:       list[i].SentAt,
+			DynamicIDStr: fmt.Sprintf("%d", list[i].DynamicID),
 		})
 	}
 	return &resp, nil