fix(filer): listDir error

Author: duanhongyi

volumes/filer.go

@@ -7,14 +7,15 @@ import (
 	"io"
 	"mime/multipart"
 	"net/http"
+	"net/url"
 
 	drycc "github.com/drycc/controller-sdk-go"
 	"github.com/drycc/controller-sdk-go/api"
 )
 
 // ListDir to an app's volume.
 func ListDir(c *drycc.Client, appID, volumeID, path string, results int) (api.FilerDirEntries, int, error) {
-	u := fmt.Sprintf("/v2/apps/%s/volumes/%s/client/?path=%s", appID, volumeID, path)
+	u := fmt.Sprintf("/v2/apps/%s/volumes/%s/client/?path=%s", appID, volumeID, url.QueryEscape(path))
 
 	body, count, reqErr := c.LimitedRequest(u, results)