修复刷新后登出的问题

src/store/modules/env.js

 
 const env = {
   state: {
-    name: 'qaapi'
+    name: sessionStorage.getItem('qahome_env') || 'qaapi'
   },
   mutations: {
     CHANGE_ENV: (state, env) => {

src/views/login/index.vue

@@ -37,7 +37,7 @@
         </el-select>
       </el-form-item>
       <el-form-item>
-        <el-button :loading="loading" type="primary" style="width:100%;" @click.native.prevent="handleLogin">
+        <el-button :disabled="!ns" :loading="loading" type="primary" style="width:100%;" @click.native.prevent="handleLogin">
           Sign in
         </el-button>
       </el-form-item>