diff --git a/zh/06.2.md b/zh/06.2.md
index fea86664..bcbfae86 100644
--- a/zh/06.2.md
+++ b/zh/06.2.md
@@ -210,6 +210,9 @@ func (manager *Manager) SessionDestroy(w http.ResponseWriter, r *http.Request){
 func init() {
 	go globalSessions.GC()
 }
+```
+
+```Go
 
 func (manager *Manager) GC() {
 	manager.lock.Lock()