diff --git a/core/storage/boltdb/init.go b/core/storage/boltdb/init.go
index 2814179..006c266 100644
--- a/core/storage/boltdb/init.go
+++ b/core/storage/boltdb/init.go
@@ -180,11 +180,9 @@ func (bucket *Bucket) Set(key interface{}, value interface{}) (string, bool, err
 					return msg, changed, fin.Error
 				}
 				if fin.Now != "" {
-					if new == storage.EMPTY {
-						new = ""
-					} else {
-						new = fin.Now
-					}
+
+					new = fin.Now
+
 				}
 				if fin.EndFunc != nil {
 					endFuncs = append(endFuncs, fin.EndFunc)
@@ -197,7 +195,7 @@ func (bucket *Bucket) Set(key interface{}, value interface{}) (string, bool, err
 		if err != nil {
 			return err
 		}
-		if new == "" {
+		if new == "" || new == storage.EMPTY {
 			if err := b.Delete([]byte(k)); err != nil {
 				return err
 			}
diff --git a/core/storage/redis/init.go b/core/storage/redis/init.go
index f1de402..856dbf0 100644
--- a/core/storage/redis/init.go
+++ b/core/storage/redis/init.go
@@ -239,11 +239,7 @@ func (bucket *Bucket) Set(key interface{}, value interface{}) (string, bool, err
 						return msg, changed, fin.Error
 					}
 					if fin.Now != "" {
-						if new == storage.EMPTY {
-							new = ""
-						} else {
-							new = fin.Now
-						}
+						new = fin.Now
 					}
 					if fin.EndFunc != nil {
 						endFuncs = append(endFuncs, fin.EndFunc)
@@ -252,7 +248,7 @@ func (bucket *Bucket) Set(key interface{}, value interface{}) (string, bool, err
 			}
 		}
 		var err error
-		if new == "" {
+		if new == "" || new == storage.EMPTY {
 			err = db.HDel(ctx, bucket.name, k).Err()
 		} else {
 			err = db.HSet(ctx, bucket.name, k, new).Err()