diff --git a/pkg/service/cast/analysis.go b/pkg/service/cast/analysis.go
index 21e6e499..6fdcd4b6 100644
--- a/pkg/service/cast/analysis.go
+++ b/pkg/service/cast/analysis.go
@@ -894,7 +894,8 @@ func ArtistMetricsSeries(ctx *gin.Context) {
 	metricsResp, metricsErr := service.CastProvider.ArtistMetricsSeries(context.Background(), req)
 
 	// 将 ArtistMetricsSeriesReq 中 int 类型日期（YYYYMMDD）格式化为时间字符串，作为快照截止时间
-	statusUpdateTime := ""
+	//默认时间为现在
+	statusUpdateTime := time.Now().Format("2006-01-02 15:04:05")
 	if req.Date > 0 {
 		parsedDate, parseErr := time.Parse("20060102", strconv.Itoa(int(req.Date)))
 		if parseErr == nil {