修改缓存题随机时间

src/components/exam/question.vue

@@ -116,7 +116,9 @@ export default {
   mounted() {
     clearInterval(this.setCacheTime)
     this.setCacheTime = setInterval(() => {
-      this.setCache()
+      setTimeout(() => {
+        this.setCache()
+      }, Math.floor(Math.random() * (5 - 0 + 1) + 0) * 1000)
     }, 10000)
     this.dataCombined()
   },
@@ -300,9 +302,10 @@ export default {
             this.endExamRequest()
           })
         } else {
-          this.$alert(err.message, {
-            callback: action => {}
-          })
+          // this.$alert(err.message, {
+          //   callback: action => {}
+          // })
+          console.log(err.message)
         }
       })
     },