diff --git a/drivers/115_open/driver.go b/drivers/115_open/driver.go
index afccb2a7e..909bf4a99 100644
--- a/drivers/115_open/driver.go
+++ b/drivers/115_open/driver.go
@@ -53,6 +53,12 @@ func (d *Open115) Init(ctx context.Context) error {
 	if d.Addition.LimitRate > 0 {
 		d.limiter = rate.NewLimiter(rate.Limit(d.Addition.LimitRate), 1)
 	}
+	if d.PageSize <= 0 {
+		d.PageSize = 200
+	} else if d.PageSize > 1150 {
+		d.PageSize = 1150
+	}
+
 	return nil
 }
 
@@ -69,7 +75,7 @@ func (d *Open115) Drop(ctx context.Context) error {
 
 func (d *Open115) List(ctx context.Context, dir model.Obj, args model.ListArgs) ([]model.Obj, error) {
 	var res []model.Obj
-	pageSize := int64(200)
+	pageSize := int64(d.PageSize)
 	offset := int64(0)
 	for {
 		if err := d.WaitLimit(ctx); err != nil {
diff --git a/drivers/115_open/meta.go b/drivers/115_open/meta.go
index f66ae9310..ed908e2e6 100644
--- a/drivers/115_open/meta.go
+++ b/drivers/115_open/meta.go
@@ -12,6 +12,7 @@ type Addition struct {
 	OrderBy        string  `json:"order_by" type:"select" options:"file_name,file_size,user_utime,file_type"`
 	OrderDirection string  `json:"order_direction" type:"select" options:"asc,desc"`
 	LimitRate      float64 `json:"limit_rate" type:"float" default:"1" help:"limit all api request rate ([limit]r/1s)"`
+	PageSize       int64   `json:"page_size" type:"number" default:"200" help:"list api per page size of 115open driver"`
 	AccessToken    string  `json:"access_token" required:"true"`
 	RefreshToken   string  `json:"refresh_token" required:"true"`
 }