diff --git a/drivers/189pc/meta.go b/drivers/189pc/meta.go
index e8eb20155af..29bc1311063 100644
--- a/drivers/189pc/meta.go
+++ b/drivers/189pc/meta.go
@@ -6,10 +6,10 @@ import (
 )
 
 type Addition struct {
-	Username       string `json:"username" required:"true"`
-	Password       string `json:"password" required:"true"`
-	VCode          string `json:"validate_code"`
-	RootFolderID   string `json:"root_folder_id"`
+	Username string `json:"username" required:"true"`
+	Password string `json:"password" required:"true"`
+	VCode    string `json:"validate_code"`
+	driver.RootID
 	OrderBy        string `json:"order_by" type:"select" options:"filename,filesize,lastOpTime" default:"filename"`
 	OrderDirection string `json:"order_direction" type:"select" options:"asc,desc" default:"asc"`
 	Type           string `json:"type" type:"select" options:"personal,family" default:"personal"`
@@ -17,10 +17,6 @@ type Addition struct {
 	RapidUpload    bool   `json:"rapid_upload"`
 }
 
-func (a Addition) GetRootId() string {
-	return a.RootFolderID
-}
-
 var config = driver.Config{
 	Name:        "189CloudPC",
 	DefaultRoot: "-11",
diff --git a/internal/driver/item.go b/internal/driver/item.go
index b0bc5636935..e8b0c8bf4cb 100644
--- a/internal/driver/item.go
+++ b/internal/driver/item.go
@@ -28,11 +28,11 @@ type IRootId interface {
 }
 
 type RootPath struct {
-	RootFolderPath string `json:"root_folder_path" required:"true"`
+	RootFolderPath string `json:"root_folder_path"`
 }
 
 type RootID struct {
-	RootFolderID string `json:"root_folder_id" required:"true"`
+	RootFolderID string `json:"root_folder_id"`
 }
 
 func (r RootPath) GetRootPath() string {
diff --git a/internal/op/driver.go b/internal/op/driver.go
index 518b9e38fa8..919c154f680 100644
--- a/internal/op/driver.go
+++ b/internal/op/driver.go
@@ -145,8 +145,11 @@ func getAdditionalItems(t reflect.Type, defaultRoot string) []driver.Item {
 		if tag.Get("type") != "" {
 			item.Type = tag.Get("type")
 		}
-		if (item.Name == "root_folder_id" || item.Name == "root_folder_path") && item.Default == "" {
-			item.Default = defaultRoot
+		if item.Name == "root_folder_id" || item.Name == "root_folder_path" {
+			if item.Default == "" {
+				item.Default = defaultRoot
+			}
+			item.Required = item.Default != ""
 		}
 		// set default type to string
 		if item.Type == "" {