diff --git a/src/main/java/xyz/zhouxy/plusone/commons/exception/BaseException.java b/src/main/java/xyz/zhouxy/plusone/commons/exception/BaseException.java
deleted file mode 100644
index 1e4e930..0000000
--- a/src/main/java/xyz/zhouxy/plusone/commons/exception/BaseException.java
+++ /dev/null
@@ -1,49 +0,0 @@
-/*
- * Copyright 2022-2023 the original author or authors.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      https://www.apache.org/licenses/LICENSE-2.0
- *
- * 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 xyz.zhouxy.plusone.commons.exception;
-
-/**
- * 带错误码的异常。
- *
- * @author <a href="https://gitee.com/zhouxy108">ZhouXY</a>
- */
-public abstract class BaseException extends RuntimeException implements IWithCode {
-
-    private static final long serialVersionUID = -2546365325001947203L;
-
-    private final int code;
-
-    protected BaseException(int code, String msg) {
-        super(msg);
-        this.code = code;
-    }
-
-    protected BaseException(int code, Throwable cause) {
-        super(cause);
-        this.code = code;
-    }
-
-    protected BaseException(int code, String msg, Throwable cause) {
-        super(msg, cause);
-        this.code = code;
-    }
-
-    @Override
-    public int getCode() {
-        return this.code;
-    }
-}
diff --git a/src/main/java/xyz/zhouxy/plusone/commons/exception/IWithCode.java b/src/main/java/xyz/zhouxy/plusone/commons/exception/IWithCode.java
deleted file mode 100644
index d061c36..0000000
--- a/src/main/java/xyz/zhouxy/plusone/commons/exception/IWithCode.java
+++ /dev/null
@@ -1,29 +0,0 @@
-/*
- * Copyright 2022-2023 the original author or authors.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      https://www.apache.org/licenses/LICENSE-2.0
- *
- * 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 xyz.zhouxy.plusone.commons.exception;
-
-/**
- * 规定实现类带有 {@code getCode} 方法。
- * 用于像自定义异常等需要带有 {@code code} 字段的类，
- * 方便其它地方的程序判断该类的是否实现了此接口，以此获取其实例的 {@code code} 字段的值。
- *
- * @author <a href="https://gitee.com/zhouxy108">ZhouXY</a>
- * @see BaseException
- */
-public interface IWithCode {
-    int getCode();
-}