diff --git a/zh/06.3.md b/zh/06.3.md
index 8ba28033..037106d0 100644
--- a/zh/06.3.md
+++ b/zh/06.3.md
@@ -32,7 +32,6 @@ func (st *SessionStore) Get(key interface{}) interface{} {
 	} else {
 		return nil
 	}
-	return nil
 }
 
 func (st *SessionStore) Delete(key interface{}) error {