diff --git a/os/gsession/gsession_unit_test.go b/os/gsession/gsession_unit_test.go
index a15499fba..41ef14a66 100644
--- a/os/gsession/gsession_unit_test.go
+++ b/os/gsession/gsession_unit_test.go
@@ -17,6 +17,6 @@ func Test_NewSessionId(t *testing.T) {
 		id1 := NewSessionId()
 		id2 := NewSessionId()
 		t.AssertNE(id1, id2)
-		t.Assert(len(id1), 36)
+		t.Assert(len(id1), 32)
 	})
 }
diff --git a/version.go b/version.go
index 0bc752c7a..8dca34952 100644
--- a/version.go
+++ b/version.go
@@ -1,4 +1,4 @@
 package gf
 
-const VERSION = "v1.13.0"
+const VERSION = "v1.13.1"
 const AUTHORS = "john<john@goframe.org>"