fix：创建人取昵称字段

src/modules/system/customergroup/components/AddCustomer.vue

@@ -59,7 +59,7 @@ export default {
           { label: '合作项目', prop: 'project_count', align: 'center' },
           { label: '所在地区', prop: 'region', align: 'center' },
           { label: '创建时间', prop: 'created_at', align: 'center' },
-          { label: '创建人', prop: 'created_by.username', align: 'center' }
+          { label: '创建人', prop: 'created_by.nickname', align: 'center' }
         ]
       }
     }

src/modules/system/customergroup/components/Customer.vue

@@ -55,7 +55,7 @@ export default {
         columns: [
           { label: '客户名称', prop: 'customer.name', align: 'center' },
           { label: '创建时间', prop: 'created_at', align: 'center' },
-          { label: '创建人', prop: 'created_by.username', align: 'center' },
+          { label: '创建人', prop: 'created_by.nickname', align: 'center' },
           { label: '操作', slots: 'table-x', align: 'center', fixed: 'right' }
         ]
       }

src/modules/system/customergroup/components/Employees.vue

@@ -47,7 +47,7 @@ export default {
           { label: '员工姓名', prop: 'sso_user.username', align: 'center' },
           { label: '手机号', prop: 'sso_user.mobile', align: 'center' },
           { label: '创建时间', prop: 'created_at', align: 'center' },
-          { label: '创建人', prop: 'created_by.username', align: 'center' },
+          { label: '创建人', prop: 'created_by.nickname', align: 'center' },
           { label: '操作', slots: 'table-x', align: 'center', fixed: 'right' }
         ]
       }

src/modules/system/customergroup/views/List.vue

@@ -69,7 +69,7 @@ export default {
           { label: '客户数量', prop: 'customer_count', align: 'center' },
           { label: '员工数量', prop: 'staff_count', align: 'center' },
           { label: '创建时间', prop: 'created_at', align: 'center' },
-          { label: '创建人', prop: 'created_by.username', align: 'center' },
+          { label: '创建人', prop: 'created_by.nickname', align: 'center' },
           { label: '操作', slots: 'table-x', align: 'center', width: '300', fixed: 'right' }
         ]
       }