diff --git a/models/dataset.go b/models/dataset.go
index e91adb7d2..0c26f5446 100755
--- a/models/dataset.go
+++ b/models/dataset.go
@@ -171,16 +171,17 @@ func (datasets DatasetList) loadAttachmentAttributes(opts *SearchDatasetOptions)
 }
 
 type SearchDatasetOptions struct {
-	Keyword       string
-	OwnerID       int64
-	User          *User
-	RepoID        int64
-	IncludePublic bool
-	RecommendOnly bool
-	Category      string
-	Task          string
-	License       string
-	DatasetIDs    []int64
+	Keyword          string
+	OwnerID          int64
+	User             *User
+	RepoID           int64
+	IncludePublic    bool
+	RecommendOnly    bool
+	Category         string
+	Task             string
+	License          string
+	DatasetIDs       []int64
+	ExcludeDatasetId int64
 	ListOptions
 	SearchOrderBy
 	IsOwner              bool
@@ -240,6 +241,10 @@ func SearchDatasetCondition(opts *SearchDatasetOptions) builder.Cond {
 		cond = cond.And(builder.Eq{"dataset.repo_id": opts.RepoID})
 	}
 
+	if opts.ExcludeDatasetId > 0 {
+		cond = cond.And(builder.Neq{"dataset.id": opts.ExcludeDatasetId})
+	}
+
 	if opts.PublicOnly {
 		cond = cond.And(builder.Eq{"dataset.status": DatasetStatusPublic})
 		cond = cond.And(builder.Eq{"attachment.is_private": false})
diff --git a/routers/repo/dataset.go b/routers/repo/dataset.go
index f047cdaa9..d65a9f2aa 100755
--- a/routers/repo/dataset.go
+++ b/routers/repo/dataset.go
@@ -529,6 +529,10 @@ func ReferenceDatasetAvailable(ctx *context.Context) {
 		NeedAttachment: false,
 		CloudBrainType: models.TypeCloudBrainAll,
 	}
+	dataset, _ := models.GetDatasetByRepo(&models.Repository{ID: ctx.Repo.Repository.ID})
+	if dataset != nil {
+		opts.ExcludeDatasetId = dataset.ID
+	}
 	datasetMultiple(ctx, opts)
 
 }