diff --git a/internal/logic/inference/getadaptersbymodellogic.go b/internal/logic/inference/getadaptersbymodellogic.go
index fe6a3c2b..fed1abde 100644
--- a/internal/logic/inference/getadaptersbymodellogic.go
+++ b/internal/logic/inference/getadaptersbymodellogic.go
@@ -38,7 +38,19 @@ func (l *GetAdaptersByModelLogic) GetAdaptersByModel(req *types.GetAdaptersByMod
 		}
 
 		for _, cluster := range clusters.List {
-			exist := l.svcCtx.Scheduler.AiService.InferenceAdapterMap[adapter.Id][cluster.Id].CheckModelExistence(l.ctx, req.ModelName, req.ModelType)
+
+			cmap, found := l.svcCtx.Scheduler.AiService.InferenceAdapterMap[adapter.Id]
+			if !found {
+				continue
+			}
+
+			iCluster, found := cmap[cluster.Id]
+			if !found {
+				continue
+			}
+
+			exist := iCluster.CheckModelExistence(l.ctx, req.ModelName, req.ModelType)
+
 			if exist {
 				c := &types.ClusterAvail{
 					ClusterId:   cluster.Id,