fix: 系统管理-租户管理 调整表格列位置 && 子租户删除添加下一级功能

src/views/system/tenant/tenant.vue

@@ -28,8 +28,8 @@
       </el-button>
 
       <el-table :data="tenantTable" class="tenant-info-table" row-key="id" default-expand-all>
-        <el-table-column prop="tenantCode" align="center" label="租户编码" />
         <el-table-column prop="tenantName" align="center" width="200" label="租户名称" />
+        <el-table-column prop="tenantCode" align="center" label="租户编码" />
         <el-table-column align="center" width="100" label="状态">
           <template #default="scope">
             <div class="">
@@ -42,7 +42,11 @@
         <el-table-column align="center" label="操作">
           <template #default="scope">
             <div class="operations">
-              <el-button type="primary" @click="openAddTenantDrawer('add', scope.row)">
+              <el-button
+                v-if="scope.row.parentId === 0 || scope.row.parentId === null"
+                type="primary"
+                @click="openAddTenantDrawer('add', scope.row)"
+              >
                 添加下一级
               </el-button>
               <el-button type="primary" @click="openAddTenantDrawer('edit', scope.row)">