diff --git a/src/views/trainingPlatform/demonList.vue b/src/views/trainingPlatform/demonList.vue
index d2dbf1c17..0469aadea 100644
--- a/src/views/trainingPlatform/demonList.vue
+++ b/src/views/trainingPlatform/demonList.vue
@@ -181,9 +181,9 @@ export default {
                             if (elem.id === 'Lesson') {
                                 childList[0] = elem;
                             } else if (elem.id === 'Exam') {
-                                childList[1] = elem;
-                            } else if (elem.id === 'Simulation') {
                                 childList[3] = elem;
+                            } else if (elem.id === 'Simulation') {
+                                childList[1] = elem;
                             } else {
                                 childList[2] = elem;
                             }