fix 登录时间

src/mixins/mixins.js

@@ -37,13 +37,13 @@ Vue.mixin({
         // )).data;
 
         let examingRes;
-        for (let i = 0; i < 20; i++) {
+        for (let i = 0; i < 4; i++) {
           examingRes = await this.$http.get(
             "/api/ecs_oe_student/examControl/checkExamInProgress"
           );
           console.log(examingRes);
           if (examingRes.data.code === "S-101000") {
-            await new Promise(resolve => setTimeout(() => resolve(), 3000));
+            await new Promise(resolve => setTimeout(() => resolve(), 2000));
             continue;
           } else if (examingRes.data.code === "000000") {
             break;