fix:修复没有分组时，新建用户选择分组的时候会显示0的bug (#221)

Author: gongjs

src/config/index.js

@@ -1,5 +1,5 @@
 const Config = {
-  baseUrl: 'http://dev.lin.colorful3.com/',
+  baseUrl: process.env.VUE_APP_BASE_URL,
   stagnateTime: 1 * 60 * 60 * 1000, // 无操作停滞时间  默认1小时
   openAutoJumpOut: true, // 是否开启无操作跳出
   notLoginRoute: ['login'], // 无需登录即可访问的路由 name,

src/views/admin/user/UserInfo.vue

@@ -27,8 +27,8 @@
           >
             <el-input size="medium"  clearable type="password" v-model="form.confirm_password" autocomplete="off"></el-input>
           </el-form-item>
-          <el-form-item v-if="pageType !== 'password'" label="选择分组">
-            <el-select  size="medium" filterable v-model="form.group_id" placeholder="请选择分组">
+          <el-form-item v-if="pageType !== 'password'" label="选择分组" >
+            <el-select  size="medium" filterable v-model="form.group_id" :disabled="groups.length === 0" placeholder="请选择分组">
               <el-option
                 v-for="item in groups"
                 :key="item.id"
@@ -122,7 +122,7 @@ export default {
         password: '',
         confirm_password: '',
         email: '',
-        group_id: 0,
+        group_id: '请先创建分组',
       },
       // 验证规则
       rules: {