diff --git a/cache/file.go b/cache/file.go
index 410da3a0..d750fecc 100644
--- a/cache/file.go
+++ b/cache/file.go
@@ -147,6 +147,8 @@ func (this *FileCache) Get(key string) interface{} {
 // timeout means how long to keep this file, unit of ms.
 // if timeout equals FileCacheEmbedExpiry(default is 0), cache this item forever.
 func (this *FileCache) Put(key string, val interface{}, timeout int64) error {
+	gob.Register(val)
+
 	filename := this.getCacheFileName(key)
 	var item FileCacheItem
 	item.Data = val
diff --git a/session/sess_file.go b/session/sess_file.go
index 73eec874..ad91726b 100644
--- a/session/sess_file.go
+++ b/session/sess_file.go
@@ -143,7 +143,7 @@ func (fp *FileProvider) SessionExist(sid string) bool {
 
 // Remove all files in this save path
 func (fp *FileProvider) SessionDestroy(sid string) error {
-	os.Remove(path.Join(fp.savePath))
+	os.Remove(path.Join(fp.savePath, string(sid[0]), string(sid[1]), sid))
 	return nil
 }