diff --git a/src/main/java/xyz/zhouxy/plusone/commons/collection/AbstractMapWrapper.java b/src/main/java/xyz/zhouxy/plusone/commons/collection/AbstractMapWrapper.java
deleted file mode 100644
index 04a974b..0000000
--- a/src/main/java/xyz/zhouxy/plusone/commons/collection/AbstractMapWrapper.java
+++ /dev/null
@@ -1,234 +0,0 @@
-/*
- * Copyright 2023-2024 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.collection;
-
-import java.util.Collection;
-import java.util.Collections;
-import java.util.Map;
-import java.util.Map.Entry;
-import java.util.Objects;
-import java.util.Optional;
-import java.util.Set;
-import java.util.function.Consumer;
-import java.util.function.Function;
-
-import javax.annotation.Nonnull;
-import javax.annotation.Nullable;
-
-import com.google.common.annotations.Beta;
-
-import xyz.zhouxy.plusone.commons.util.AssertTools;
-
-/**
- * AbstractMapWrapper
- *
- * <p>
- * 包装了一个 {@link Map}。
- * 主要在于获取值时，如果 Key 不存在，是抛出异常；如果 Key 存在，则将 value 包装在 {@link Optional} 中 返回。
- * 此外可以定义 Key 和 Value 的检查规则。
- * </p>
- *
- * @author <a href="http://zhouxy.xyz:3000/ZhouXY108">ZhouXY</a>
- * @since 1.0
- */
-@Beta
-public abstract class AbstractMapWrapper<K, V, T extends AbstractMapWrapper<K, V, T>> {
-
-    private final Map<K, V> map;
-    private final Consumer<K> keyChecker;
-    private final Consumer<V> valueChecker;
-
-    protected AbstractMapWrapper(Map<K, V> map,
-            @Nullable Consumer<K> keyChecker,
-            @Nullable Consumer<V> valueChecker) {
-        this.map = map;
-        this.keyChecker = keyChecker;
-        this.valueChecker = valueChecker;
-    }
-
-    public final T put(K key, V value) {
-        if (this.keyChecker != null) {
-            this.keyChecker.accept(key);
-        }
-        if (this.valueChecker != null) {
-            this.valueChecker.accept(value);
-        }
-        this.map.put(key, value);
-        return getSelf();
-    }
-
-    public final T putAll(Map<? extends K, ? extends V> m) {
-        m.forEach(this::put);
-        return getSelf();
-    }
-
-    /**
-     * 获取 {@code map} 中的值。如果 {@code key} 不存在，则抛出异常。
-     * 将 {@code value}（可为 {@code null}）装进 {@link Optional} 中后返回。
-     * <i>为了这碟醋包的这盘饺子。</i>
-     *
-     * @param key 键
-     * @return 可缺失的值
-     * @throws IllegalArgumentException key 不存在时抛出。
-     */
-    @Nonnull
-    public Optional<V> get(K key) {
-        AssertTools.checkArgument(this.map.containsKey(key), "Key does not exist");
-        return Optional.ofNullable(this.map.get(key));
-    }
-
-    @SuppressWarnings("unchecked")
-    public final <R> Optional<R> getAndConvert(K key) {
-        return get(key).map(v -> (R) v);
-    }
-
-    public final <R> Optional<R> getAndConvert(K key, Function<V, R> mapper) {
-        return get(key).map(mapper);
-    }
-
-    public final boolean containsKey(Object key) {
-        return this.map.containsKey(key);
-    }
-
-    public final int size() {
-        return this.map.size();
-    }
-
-    public final Set<K> keySet() {
-        return this.map.keySet();
-    }
-
-    public final Collection<V> values() {
-        return this.map.values();
-    }
-
-    public final Set<Entry<K, V>> entrySet() {
-        return this.map.entrySet();
-    }
-
-    public final void clear() {
-        this.map.clear();
-    }
-
-    public final boolean containsValue(Object value) {
-        return this.map.containsValue(value);
-    }
-
-    public final boolean isEmpty() {
-        return this.map.isEmpty();
-    }
-
-    public final V remove(Object key) {
-        return this.map.remove(key);
-    }
-
-    public final V putIfAbsent(K key, V value) {
-        if (this.keyChecker != null) {
-            this.keyChecker.accept(key);
-        }
-        if (this.valueChecker != null) {
-            this.valueChecker.accept(value);
-        }
-        return this.map.putIfAbsent(key, value);
-    }
-
-    public final V computeIfAbsent(K key, Function<? super K, ? extends V> mappingFunction) {
-        if (this.keyChecker != null) {
-            this.keyChecker.accept(key);
-        }
-        Function<? super K, ? extends V> func = (K k) -> {
-            V value = mappingFunction.apply(k);
-            if (this.valueChecker != null) {
-                this.valueChecker.accept(value);
-            }
-            return value;
-        };
-        return this.map.computeIfAbsent(key, func);
-    }
-
-    public final Map<K, V> exportMap() {
-        return this.map;
-    }
-
-    public final Map<K, V> exportUnmodifiableMap() {
-        return Collections.unmodifiableMap(this.map);
-    }
-
-    protected abstract T getSelf();
-
-    @Override
-    public String toString() {
-        return this.map.toString();
-    }
-
-    @Override
-    public int hashCode() {
-        return Objects.hash(map);
-    }
-
-    @Override
-    public boolean equals(Object obj) {
-        if (this == obj)
-            return true;
-        if (obj == null)
-            return false;
-        if (getClass() != obj.getClass())
-            return false;
-        AbstractMapWrapper<?, ?, ?> other = (AbstractMapWrapper<?, ?, ?>) obj;
-        return Objects.equals(map, other.map);
-    }
-
-    public abstract static class Builder<K, V, T extends AbstractMapWrapper<K, V, T>> {
-        protected final Map<K, V> map;
-        protected Consumer<K> keyChecker;
-        protected Consumer<V> valueChecker;
-
-        protected Builder(Map<K, V> map) {
-            this.map = map;
-        }
-
-        public Builder<K, V, T> keyChecker(@Nullable Consumer<K> keyChecker) {
-            this.keyChecker = keyChecker;
-            return this;
-        }
-
-        public Builder<K, V, T> valueChecker(@Nullable Consumer<V> valueChecker) {
-            this.valueChecker = valueChecker;
-            return this;
-        }
-
-        public Builder<K, V, T> put(K key, V value) {
-            if (this.keyChecker != null) {
-                this.keyChecker.accept(key);
-            }
-            if (this.valueChecker != null) {
-                this.valueChecker.accept(value);
-            }
-            this.map.put(key, value);
-            return this;
-        }
-
-        public Builder<K, V, T> putAll(Map<? extends K, ? extends V> m) {
-            m.forEach(this::put);
-            return this;
-        }
-
-        public abstract T build();
-
-        public abstract T buildUnmodifiableMap();
-    }
-}
diff --git a/src/main/java/xyz/zhouxy/plusone/commons/collection/MapWrapper.java b/src/main/java/xyz/zhouxy/plusone/commons/collection/MapWrapper.java
deleted file mode 100644
index 026bd9c..0000000
--- a/src/main/java/xyz/zhouxy/plusone/commons/collection/MapWrapper.java
+++ /dev/null
@@ -1,95 +0,0 @@
-/*
- * Copyright 2023-2024 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.collection;
-
-import java.util.Collections;
-import java.util.Comparator;
-import java.util.HashMap;
-import java.util.Map;
-import java.util.SortedMap;
-import java.util.TreeMap;
-import java.util.function.Consumer;
-
-import com.google.common.annotations.Beta;
-
-/**
- * MapWrapper
- *
- * <p>
- * Map 包装器的默认实现
- * </p>
- *
- * @author <a href="http://zhouxy.xyz:3000/ZhouXY108">ZhouXY</a>
- * @since 0.1.0
- */
-@Beta
-public final class MapWrapper<K, V> extends AbstractMapWrapper<K, V, MapWrapper<K, V>> {
-
-    private MapWrapper(Map<K, V> map, Consumer<K> keyChecker, Consumer<V> valueChecker) {
-        super(map, keyChecker, valueChecker);
-    }
-
-    public static <K, V> Builder<K, V> wrap(Map<K, V> map) {
-        return new Builder<>(map);
-    }
-
-    public static <K, V> Builder<K, V> wrapHashMap() {
-        return new Builder<>(new HashMap<>());
-    }
-
-    public static <K, V> Builder<K, V> wrapHashMap(int initialCapacity) {
-        return new Builder<>(new HashMap<>(initialCapacity));
-    }
-
-    public static <K, V> Builder<K, V> wrapHashMap(int initialCapacity, float loadFactor) {
-        return new Builder<>(new HashMap<>(initialCapacity, loadFactor));
-    }
-
-    public static <K extends Comparable<? super K>, V> Builder<K, V> wrapTreeMap() {
-        return new Builder<>(new TreeMap<>());
-    }
-
-    public static <K, V> Builder<K, V> wrapTreeMap(SortedMap<K, ? extends V> m) {
-        return new Builder<>(new TreeMap<>(m));
-    }
-
-    public static <K, V> Builder<K, V> wrapTreeMap(Comparator<? super K> comparator) {
-        return new Builder<>(new TreeMap<>(comparator));
-    }
-
-    public static final class Builder<K, V> extends AbstractMapWrapper.Builder<K, V, MapWrapper<K, V>> {
-
-        private Builder(Map<K, V> map) {
-            super(map);
-        }
-
-        @Override
-        public MapWrapper<K, V> build() {
-            return new MapWrapper<>(map, keyChecker, valueChecker);
-        }
-
-        @Override
-        public MapWrapper<K, V> buildUnmodifiableMap() {
-            return new MapWrapper<>(Collections.unmodifiableMap(map), keyChecker, valueChecker);
-        }
-    }
-
-    @Override
-    protected MapWrapper<K, V> getSelf() {
-        return this;
-    }
-}