fix: 修复学生信息显示错误的问题

src/store/index.js

 import Vue from 'vue'
 import Vuex from 'vuex'
+import router from '@/router'
 
 Vue.use(Vuex)
 
 let studentInfo = {}
 let examInfo = {}
 try {
-  studentInfo = JSON.parse(window.localStorage.getItem('studentInfo')) || {}
+  const parsed = JSON.parse(window.localStorage.getItem('studentInfo')) || {}
+  studentInfo = location.pathname.includes(parsed.examId) ? parsed : {}
   // examInfo = JSON.parse(window.localStorage.getItem('examInfo')) || {}
 } catch (error) {
   console.log(error)
@@ -15,7 +17,7 @@ try {
 export default new Vuex.Store({
   state: {
     studentInfo,
-    examInfo
+    examInfo,
   },
   mutations: {
     setExamInfo(state, info) {
@@ -23,8 +25,9 @@ export default new Vuex.Store({
       window.localStorage.setItem('examInfo', JSON.stringify(info))
     },
     setStudentInfo(state, info) {
+      info.examId = router.currentRoute.params.examId
       state.studentInfo = info
       window.localStorage.setItem('studentInfo', JSON.stringify(info))
-    }
-  }
+    },
+  },
 })