diff --git a/pkg/model/glove/glove.go b/pkg/model/glove/glove.go
index e08c029..b2c1dfa 100644
--- a/pkg/model/glove/glove.go
+++ b/pkg/model/glove/glove.go
@@ -18,7 +18,7 @@ import (
 	"github.com/ynqa/wego/pkg/model/modelutil"
 	"github.com/ynqa/wego/pkg/model/modelutil/matrix"
 	"github.com/ynqa/wego/pkg/model/modelutil/save"
-	"github.com/ynqa/wego/pkg/model/subsample"
+	"github.com/ynqa/wego/pkg/model/modelutil/subsample"
 	"github.com/ynqa/wego/pkg/verbose"
 )
 
diff --git a/pkg/model/lexvec/lexvec.go b/pkg/model/lexvec/lexvec.go
index ae93d0f..eb51f63 100644
--- a/pkg/model/lexvec/lexvec.go
+++ b/pkg/model/lexvec/lexvec.go
@@ -19,7 +19,7 @@ import (
 	"github.com/ynqa/wego/pkg/model/modelutil"
 	"github.com/ynqa/wego/pkg/model/modelutil/matrix"
 	"github.com/ynqa/wego/pkg/model/modelutil/save"
-	"github.com/ynqa/wego/pkg/model/subsample"
+	"github.com/ynqa/wego/pkg/model/modelutil/subsample"
 	"github.com/ynqa/wego/pkg/verbose"
 )
 
diff --git a/pkg/model/subsample/subsample.go b/pkg/model/modelutil/subsample/subsample.go
similarity index 100%
rename from pkg/model/subsample/subsample.go
rename to pkg/model/modelutil/subsample/subsample.go
diff --git a/pkg/model/word2vec/word2vec.go b/pkg/model/word2vec/word2vec.go
index 64d3667..2d1a113 100644
--- a/pkg/model/word2vec/word2vec.go
+++ b/pkg/model/word2vec/word2vec.go
@@ -17,7 +17,7 @@ import (
 	"github.com/ynqa/wego/pkg/model/modelutil"
 	"github.com/ynqa/wego/pkg/model/modelutil/matrix"
 	"github.com/ynqa/wego/pkg/model/modelutil/save"
-	"github.com/ynqa/wego/pkg/model/subsample"
+	"github.com/ynqa/wego/pkg/model/modelutil/subsample"
 	"github.com/ynqa/wego/pkg/verbose"
 )