diff --git a/lexical_test.go b/lexical_test.go
index d823129..02145f7 100644
--- a/lexical_test.go
+++ b/lexical_test.go
@@ -30,5 +30,6 @@ func Test_parseLexical(t *testing.T) {
         }
     ]
 }`
+	jsonData = `{"name":"zhangsan","age":"18","extension":{"sex":"man","height":"180"},"teacher_list":[{"name":"t1","age":"11"},{"name":"t2","age":"12"}]}`
 	parseLexical(jsonData)
 }