diff --git a/pkg/service/cast/analysis.go b/pkg/service/cast/analysis.go
index 52b2f276..23630d9c 100644
--- a/pkg/service/cast/analysis.go
+++ b/pkg/service/cast/analysis.go
@@ -867,31 +867,11 @@ func ArtistMetricsSeries(ctx *gin.Context) {
 		subNum = infoResp.SubNum
 	}
 
-	var subInfoResp *accountFiee.UserInfoResponse
-	var subInfoErr error
-	var workStatsResp *cast.GetArtistWorkStatsResp
-	var metricsResp *cast.ArtistMetricsSeriesResp
-	var workStatsErr, metricsErr error
-
-	wg := sync.WaitGroup{}
-	wg.Add(2)
-
-	// 并行调用 SubNumGetInfo、ArtistMetricsSeries
-	go func() {
-		defer wg.Done()
-		subInfoResp, subInfoErr = service.AccountFieeProvider.SubNumGetInfo(context.Background(), &accountFiee.SubNumGetInfoRequest{
-			SubNum: subNum,
-			Domain: "app",
-		})
-	}()
-
-	go func() {
-		defer wg.Done()
-		metricsResp, metricsErr = service.CastProvider.ArtistMetricsSeries(context.Background(), req)
-	}()
-
-	wg.Wait()
-
+	// 先串行获取艺人信息，以便用正确的 artistUUID 调用后续接口
+	subInfoResp, subInfoErr := service.AccountFieeProvider.SubNumGetInfo(context.Background(), &accountFiee.SubNumGetInfoRequest{
+		SubNum: subNum,
+		Domain: "app",
+	})
 	if subInfoErr != nil {
 		service.Error(ctx, errors.New("自媒体用户查询失败"))
 		return
@@ -902,6 +882,9 @@ func ArtistMetricsSeries(ctx *gin.Context) {
 	}
 	req.ArtistUUID = fmt.Sprint(subInfoResp.Id)
 
+	// 使用正确的 artistUUID 调用 ArtistMetricsSeries
+	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 := ""
 	if req.Date > 0 {
@@ -912,7 +895,7 @@ func ArtistMetricsSeries(ctx *gin.Context) {
 	}
 
 	newCtx := NewCtxWithUserInfo(ctx)
-	workStatsResp, workStatsErr = service.CastProvider.GetArtistWorkStats(newCtx, &cast.GetArtistWorkStatsReq{
+	workStatsResp, workStatsErr := service.CastProvider.GetArtistWorkStats(newCtx, &cast.GetArtistWorkStatsReq{
 		ArtistUuid:       req.ArtistUUID,
 		StatusUpdateTime: statusUpdateTime,
 	})