修改

src/view/Login.vue

@@ -81,6 +81,11 @@ export default {
       isGoToLogin: false
     };
   },
+  mounted() {
+    this.$once("hook:beforeDestroy", () => {
+      clearInterval(timer);
+    });
+  },
   methods: {
     //当手机号未填时
     getCodePhoneWrong() {