fix: 修改生命周期拼写错误的bug

src/utils/drawMixin.js

@@ -24,7 +24,7 @@ export default {
     this.calcRate()
     window.addEventListener('resize', this.resize)
   },
-  unMounted () {
+  beforeDestroy () {
     window.removeEventListener('resize', this.resize)
   },
   methods: {

src/views/index.vue

@@ -127,7 +127,7 @@ export default {
     this.timeFn()
     this.cancelLoading()
   },
-  unMounted() {
+  beforeDestroy () {
     clearInterval(this.timing)
   },
   methods: {