修改题库管理达标分值为80

(cherry picked from commit c7748e6bb663cac8f8b6af0c252094041085bd97)

src/views/platform/examination/questionBank/edit.vue

@@ -444,7 +444,7 @@ export default {
                 xian_kao_ci_shu_: '不限',
                 shi_fou_gong_kai_: '是',
                 ping_fen_ren_: '',
-                da_biao_zhan_bi_: 60,
+                da_biao_zhan_bi_: 80,
                 miao_shu_: '',
                 ti_shu_: 0,
                 isLimit: '0',