Update index.tsx

src/teacher/statistics/home-statistics/index.tsx

@@ -230,7 +230,7 @@ export default defineComponent({
       const template = {
         MONTH: '本月',
         THREE_MONTH: '近三个月',
-        HALF_YEAR: '近年半',
+        HALF_YEAR: '近半年',
         YEAR: '近一年'
       }
       return template[currentType.value]