设置建立API为单例模式

src/containers/login/index.vue

@@ -152,10 +152,9 @@ export default {
               item => item.menuCode === process.env.VUE_APP_DASHBOARD_CODE
             );
             if (dashboardPage && this.$router.options.base === '/') {
-              window.location.href =
-                location.origin + '/' + dashboardPage.menuLink;
+              this.$router.push({ name: 'dashboard' });
             } else {
-              window.location.href = location.origin;
+              this.$router.push({ path: '/' });
             }
           })
           .catch(err => {

src/lib/Api.js

@@ -102,5 +102,21 @@ const createBaseFetch = config => {
   }, errorHandle);
   return service;
 };
+class ApiCreator {
+  constructor() {
+    return ApiCreator.getInstance();
+  }
+  static getInstance() {
+    if (ApiCreator.instance) {
+    } else if (window.ApiCreator) {
+      ApiCreator.instance = window.ApiCreator;
+    } else {
+      ApiCreator.instance = createBaseFetch;
+      window.ApiCreator = ApiCreator.instance;
+    }
+
+    return ApiCreator.instance;
+  }
+}
 
-export default createBaseFetch;
+export default new ApiCreator();