diff --git a/continew-starter-extension/continew-starter-extension-crud/continew-starter-extension-crud-core/src/main/java/top/continew/starter/extension/crud/constant/ContainerPool.java b/continew-starter-extension/continew-starter-extension-crud/continew-starter-extension-crud-core/src/main/java/top/continew/starter/extension/crud/constant/ContainerPool.java
deleted file mode 100644
index 6d311298..00000000
--- a/continew-starter-extension/continew-starter-extension-crud/continew-starter-extension-crud-core/src/main/java/top/continew/starter/extension/crud/constant/ContainerPool.java
+++ /dev/null
@@ -1,34 +0,0 @@
-/*
- * Copyright (c) 2022-present Charles7c Authors. All Rights Reserved.
- * <p>
- * Licensed under the GNU LESSER GENERAL PUBLIC LICENSE 3.0;
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- * <p>
- * http://www.gnu.org/licenses/lgpl.html
- * <p>
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package top.continew.starter.extension.crud.constant;
-
-/**
- * 数据源容器相关常量（Crane4j 数据填充组件使用）
- *
- * @author Charles7c
- * @since 1.2.0
- */
-public class ContainerPool {
-
-    /**
-     * 用户昵称
-     */
-    public static final String USER_NICKNAME = "UserNickname";
-
-    protected ContainerPool() {
-    }
-}
\ No newline at end of file
diff --git a/continew-starter-extension/continew-starter-extension-crud/continew-starter-extension-crud-core/src/main/java/top/continew/starter/extension/crud/service/CommonUserService.java b/continew-starter-extension/continew-starter-extension-crud/continew-starter-extension-crud-core/src/main/java/top/continew/starter/extension/crud/service/CommonUserService.java
deleted file mode 100644
index 72f6b010..00000000
--- a/continew-starter-extension/continew-starter-extension-crud/continew-starter-extension-crud-core/src/main/java/top/continew/starter/extension/crud/service/CommonUserService.java
+++ /dev/null
@@ -1,39 +0,0 @@
-/*
- * Copyright (c) 2022-present Charles7c Authors. All Rights Reserved.
- * <p>
- * Licensed under the GNU LESSER GENERAL PUBLIC LICENSE 3.0;
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- * <p>
- * http://www.gnu.org/licenses/lgpl.html
- * <p>
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package top.continew.starter.extension.crud.service;
-
-import cn.crane4j.annotation.ContainerMethod;
-import cn.crane4j.annotation.MappingType;
-import top.continew.starter.extension.crud.constant.ContainerPool;
-
-/**
- * 公共用户业务接口
- *
- * @author Charles7c
- * @since 1.0.0
- */
-public interface CommonUserService {
-
-    /**
-     * 根据 ID 查询昵称
-     *
-     * @param id ID
-     * @return 昵称
-     */
-    @ContainerMethod(namespace = ContainerPool.USER_NICKNAME, type = MappingType.ORDER_OF_KEYS)
-    String getNicknameById(Long id);
-}