bug fixes

client/src/components/learnSysLayout/sidebar.vue

@@ -74,7 +74,7 @@ export default {
           index: '1',
           children: [
             { name: this.$t('components.learnSysLayout.sideBar.header1Child1'), index: '1-1' },
-            { name: this.$t('components.learnSysLayout.sideBar.header1Child2'), index: '1-2' },
+            { name: this.$t('components.learnSysLayout.sideBar.header1Child2'), index: '1-2' }
             // { name: this.$t('components.learnSysLayout.sideBar.header1Child3'), index: '1-3' }
           ]
         },