diff --git a/packages-user/data-base/src/flag/saveLoad.test.ts b/packages-user/data-base/src/flag/saveLoad.test.ts
new file mode 100644
index 0000000..13b6d3f
--- /dev/null
+++ b/packages-user/data-base/src/flag/saveLoad.test.ts
@@ -0,0 +1,78 @@
+// 测试全局 Flag 系统存读档：同实例往返、占用状态与存档克隆
+import { afterAll, describe, expect, it, vi } from 'vitest';
+import { FlagSystem } from './system';
+
+vi.hoisted(() => {
+    vi.stubGlobal('main', { replayChecking: true });
+    vi.stubGlobal('location', { origin: 'http://localhost' });
+    Map.prototype.getOrInsert ??= function <K, V>(
+        this: Map<K, V>,
+        key: K,
+        value: V
+    ): V {
+        const existing = this.get(key);
+        if (existing !== undefined) return existing;
+        this.set(key, value);
+        return value;
+    };
+    Map.prototype.getOrInsertComputed ??= function <K, V>(
+        this: Map<K, V>,
+        key: K,
+        callback: (key: K) => V
+    ): V {
+        const existing = this.get(key);
+        if (existing !== undefined) return existing;
+        const value = callback(key);
+        this.set(key, value);
+        return value;
+    };
+});
+
+afterAll(() => {
+    vi.unstubAllGlobals();
+});
+
+describe('FlagSystem save and load round trips', () => {
+    // 验证字段数值与占用状态在同实例上恢复
+    it('restores field values and occupancy on the same instance', () => {
+        const system = new FlagSystem();
+        system.setFieldValue('score', 7);
+        system.addFieldValue('score', 5);
+        system.setFieldValue('name', 'hero');
+
+        const saved = system.saveState();
+        system.setFieldValue('score', 0);
+        system.deleteField('name');
+        system.loadState(saved);
+
+        expect(system.getFieldValue<number>('score')).toBe(12);
+        expect(system.occupied('score')).toBe(true);
+        expect(system.getFieldValue<string>('name')).toBe('hero');
+        expect(system.occupied('name')).toBe(true);
+    });
+
+    // 验证 saveState 返回分离克隆，修改存档不会影响系统
+    it('returns a separated clone from saveState', () => {
+        const system = new FlagSystem();
+        system.setFieldValue('score', 7);
+
+        const saved = system.saveState();
+        saved.fields.set('score', 999);
+        saved.fields.set('extra', 1);
+
+        expect(system.getFieldValue<number>('score')).toBe(7);
+        expect(system.occupied('extra')).toBe(false);
+    });
+
+    // 验证 loadState 会重建字段对象并保留恢复值
+    it('rebuilds field objects on loadState', () => {
+        const system = new FlagSystem();
+        const before = system.insertField('score', 7);
+
+        const saved = system.saveState();
+        system.loadState(saved);
+
+        expect(system.getField('score')).not.toBe(before);
+        expect(system.getFieldValue<number>('score')).toBe(7);
+    });
+});
diff --git a/packages-user/data-base/src/map/saveLoad.test.ts b/packages-user/data-base/src/map/saveLoad.test.ts
new file mode 100644
index 0000000..468b01f
--- /dev/null
+++ b/packages-user/data-base/src/map/saveLoad.test.ts
@@ -0,0 +1,292 @@
+// 测试地图系统存读档：tile/MapLayer/GameMap/MapState 同实例往返、压缩档与码 55/122/124
+import { afterAll, describe, expect, it, vi } from 'vitest';
+import {
+    type IDataCommon,
+    Dir8FaceHandler,
+    FaceGroup,
+    FaceManager,
+    RoleFaceBinder,
+    SaveCompression,
+    TileStore,
+    TileType
+} from '@user/data-common';
+import { DirectionMapper, logger } from '@motajs/common';
+import { type IGameMap, type IResizableMapLayer } from './types';
+import { MapState } from './mapState';
+
+vi.hoisted(() => {
+    vi.stubGlobal('main', { replayChecking: true });
+    vi.stubGlobal('location', { origin: 'http://localhost' });
+    Map.prototype.getOrInsert ??= function <K, V>(
+        this: Map<K, V>,
+        key: K,
+        value: V
+    ): V {
+        const existing = this.get(key);
+        if (existing !== undefined) return existing;
+        this.set(key, value);
+        return value;
+    };
+    Map.prototype.getOrInsertComputed ??= function <K, V>(
+        this: Map<K, V>,
+        key: K,
+        callback: (key: K) => V
+    ): V {
+        const existing = this.get(key);
+        if (existing !== undefined) return existing;
+        const value = callback(key);
+        this.set(key, value);
+        return value;
+    };
+});
+
+afterAll(() => {
+    vi.unstubAllGlobals();
+});
+
+/** 存读档测试覆盖的三档压缩级别 */
+const SAVE_COMPRESSIONS = [
+    SaveCompression.NoCompression,
+    SaveCompression.LowCompression,
+    SaveCompression.HighCompression
+] as const;
+
+interface MapFixture {
+    mapState: MapState;
+    map: IGameMap;
+    layer: IResizableMapLayer;
+}
+
+/** 构造一个含事件层的最小地图状态与楼层，可传入点事件与初始图块 */
+function createMapFixture(
+    pointEvents: Record<number, Record<number, string>> = {},
+    blocks: number[] = [1, 1, 1, 1]
+): MapFixture {
+    const tileStore = new TileStore();
+    tileStore.addTile({
+        num: 1,
+        id: 'base',
+        events: { 10: 'base-event' },
+        type: TileType.Terrain,
+        pass: { onlyEvents: false, outPass: 15, inPass: 15 },
+        eventPass: true
+    });
+    tileStore.addTile({
+        num: 2,
+        id: 'alternate',
+        events: { 20: 'alternate-event' },
+        type: TileType.Terrain,
+        pass: { onlyEvents: false, outPass: 15, inPass: 15 },
+        eventPass: true
+    });
+    const faceManager = new FaceManager();
+    faceManager.register(FaceGroup.Dir8, new Dir8FaceHandler());
+    const state: IDataCommon = {
+        tileStore,
+        itemStore: {},
+        mapStore: {},
+        eventStore: {},
+        roleFace: new RoleFaceBinder(),
+        faceManager,
+        directionMapper: new DirectionMapper(),
+        saveSystem: {}
+    } as never;
+    const mapState = new MapState(tileStore, state);
+    const map = mapState.fromRaw({
+        floorId: 'F1',
+        width: 2,
+        map: { 0: blocks },
+        layerAlias: { 0: 'event' },
+        events: { 0: pointEvents }
+    });
+    return {
+        mapState,
+        map: map!,
+        layer: map!.getLayerByAlias('event')! as IResizableMapLayer
+    };
+}
+
+/** 用当前图层矩阵作为参考基准，使 Low/High 压缩档具备可恢复基准 */
+function setLayerReference(layer: IResizableMapLayer): void {
+    layer.compareWith(new Uint32Array(layer.getMapData()));
+}
+
+describe('StaticTile save and load round trips', () => {
+    // 验证静态图块覆盖事件在同实例上恢复且保存返回分离的事件映射
+    it('restores covered events on the same instance', () => {
+        const { layer } = createMapFixture();
+        const tile = layer.getTile(0, 0)!;
+        tile.tileEvent().set(30, 'override-event');
+
+        const saved = tile.saveState(SaveCompression.NoCompression);
+        const snapshot = new Map(saved.events!);
+        tile.tileEvent().set(30, 'changed-after-save');
+
+        expect(saved.events).toEqual(snapshot);
+
+        tile.loadState(saved, SaveCompression.NoCompression);
+
+        expect(tile.tileEvent().get()).toEqual(
+            new Map([
+                [10, 'base-event'],
+                [30, 'override-event']
+            ])
+        );
+    });
+});
+
+describe('DynamicTile save and load round trips', () => {
+    // 验证动态图块覆盖事件在同实例上恢复，存档记录当前图块数字
+    it('restores covered events on the same instance', () => {
+        const { layer } = createMapFixture();
+        const tile = layer.createDynamic(1, 1, 0);
+        tile.tileEvent().set(30, 'override-event');
+
+        const saved = tile.saveState(SaveCompression.NoCompression);
+        tile.tileEvent().set(30, 'changed-after-save');
+        tile.loadState(saved, SaveCompression.NoCompression);
+
+        expect(saved.num).toBe(1);
+        expect(tile.num()).toBe(1);
+        expect(tile.tileEvent().get()).toEqual(
+            new Map([
+                [10, 'base-event'],
+                [30, 'override-event']
+            ])
+        );
+    });
+
+    // 疑似 bug：loadState 不恢复存档中的图块数字，详见 06-TEST-FINDINGS.md #06-09-3
+    it.skip('restores the tile num on the same instance', () => {
+        const { layer } = createMapFixture();
+        const tile = layer.createDynamic(1, 1, 0);
+
+        const saved = tile.saveState(SaveCompression.NoCompression);
+        tile.set(2);
+        tile.loadState(saved, SaveCompression.NoCompression);
+
+        expect(tile.num()).toBe(1);
+    });
+});
+
+describe('MapLayer save and load round trips', () => {
+    // 验证矩阵与点事件在三个压缩档下同实例恢复
+    it('restores the matrix and point events across all compressions', () => {
+        for (const compression of SAVE_COMPRESSIONS) {
+            const { layer } = createMapFixture({ 1: { 5: 'raw-point' } });
+            setLayerReference(layer);
+            const point = layer.event(1, 0)!;
+            point.set(7, 'saved-point');
+            layer.setBlock(9, 0, 0);
+
+            const saved = layer.saveState(compression);
+            point.set(7, 'changed-after-save');
+            layer.setBlock(0, 0, 0);
+            layer.loadState(saved, compression);
+
+            expect(layer.getBlock(0, 0)).toBe(9);
+            expect(point.get()).toEqual(
+                new Map([
+                    [5, 'raw-point'],
+                    [7, 'saved-point']
+                ])
+            );
+        }
+    });
+
+    // 验证缺少参考基准的压缩档经 logger.catch 观测到警告码 124
+    it('warns code 124 when the compression reference is missing', () => {
+        const dirty = createMapFixture();
+        const lowSave = dirty.layer.saveState(SaveCompression.LowCompression);
+
+        const lowResult = logger.catch(() =>
+            dirty.layer.loadState(lowSave, SaveCompression.LowCompression)
+        );
+
+        const highSave = dirty.layer.saveState(SaveCompression.HighCompression);
+        const highResult = logger.catch(() =>
+            dirty.layer.loadState(highSave, SaveCompression.HighCompression)
+        );
+
+        expect(lowResult.info.map(info => info.code)).toContain(124);
+        expect(highResult.info.map(info => info.code)).toContain(124);
+    });
+});
+
+describe('GameMap save and load round trips', () => {
+    // 验证背景与图层矩阵在三个压缩档下同实例恢复
+    it('restores background and layer matrices across all compressions', () => {
+        for (const compression of SAVE_COMPRESSIONS) {
+            const { map, layer } = createMapFixture();
+            setLayerReference(layer);
+            map.setBackground(7);
+            layer.setBlock(9, 0, 0);
+
+            const saved = map.saveState(compression);
+            map.setBackground(0);
+            layer.setBlock(0, 0, 0);
+            map.loadState(saved, compression);
+
+            expect(map.getBackground()).toBe(7);
+            expect(layer.getBlock(0, 0)).toBe(9);
+        }
+    });
+});
+
+describe('MapState save and load round trips', () => {
+    // 验证激活楼层矩阵在三个压缩档下同实例恢复
+    it('restores active floor matrices across all compressions', () => {
+        for (const compression of SAVE_COMPRESSIONS) {
+            const { mapState, map, layer } = createMapFixture();
+            map.setActiveStatus(true);
+            mapState.compareWith(
+                new Map([
+                    ['F1', new Map([[0, new Uint32Array(layer.getMapData())]])]
+                ])
+            );
+            layer.setBlock(9, 0, 0);
+
+            const saved = mapState.saveState(compression);
+            layer.setBlock(0, 0, 0);
+            mapState.loadState(saved, compression);
+
+            expect(mapState.isMapActive('F1')).toBe(true);
+            expect(layer.getBlock(0, 0)).toBe(9);
+        }
+    });
+
+    // 验证非无压缩读档且未比较基准时经 logger.catch 观测到错误码 55
+    it('warns code 55 when loading a compressed MapState without a reference', () => {
+        const { mapState } = createMapFixture();
+
+        const result = logger.catch(() =>
+            mapState.loadState(
+                { floors: new Map() },
+                SaveCompression.LowCompression
+            )
+        );
+
+        expect(result.info.map(info => info.code)).toContain(55);
+    });
+
+    // 验证存档中缺失楼层时经 logger.catch 观测到警告码 122
+    it('warns code 122 when a floor is missing during loadState', () => {
+        const { mapState, map } = createMapFixture();
+
+        const result = logger.catch(() =>
+            mapState.loadState(
+                {
+                    floors: new Map([
+                        [
+                            'missing',
+                            map.saveState(SaveCompression.NoCompression)
+                        ]
+                    ])
+                },
+                SaveCompression.NoCompression
+            )
+        );
+
+        expect(result.info.map(info => info.code)).toContain(122);
+    });
+});
diff --git a/packages-user/data-common/src/replay/saveLoad.test.ts b/packages-user/data-common/src/replay/saveLoad.test.ts
new file mode 100644
index 0000000..099838d
--- /dev/null
+++ b/packages-user/data-common/src/replay/saveLoad.test.ts
@@ -0,0 +1,124 @@
+// 测试录像存读档：ReplayArray 与 ReplaySystem 同实例往返与多类型参数读回
+import { afterAll, describe, expect, it, vi } from 'vitest';
+import { ReplayArray } from './array';
+import { ReplaySystem } from './system';
+import { ReplayCommandWidth } from './types';
+
+vi.hoisted(() => {
+    vi.stubGlobal('main', { replayChecking: true });
+    vi.stubGlobal('location', { origin: 'http://localhost' });
+    Map.prototype.getOrInsertComputed ??= function <K, V>(
+        this: Map<K, V>,
+        key: K,
+        callback: (key: K) => V
+    ): V {
+        const existing = this.get(key);
+        if (existing !== undefined) return existing;
+        const value = callback(key);
+        this.set(key, value);
+        return value;
+    };
+});
+
+afterAll(() => {
+    vi.unstubAllGlobals();
+});
+
+interface IArrayOverrides {
+    initCommandLength?: number;
+    initParamLength?: number;
+    commandExpandMultiplier?: number;
+    paramExpandMultiplier?: number;
+    commandWidth?: ReplayCommandWidth;
+    commandMaxLength?: number;
+    paramMaxLength?: number;
+}
+
+/** 与 system.ts 初始化保持一致的构造入口，默认给足初始容量避免无关扩容 */
+function createArray(overrides: IArrayOverrides = {}): ReplayArray {
+    return new ReplayArray({
+        initCommandLength: 32,
+        initParamLength: 128,
+        commandExpandMultiplier: 2,
+        paramExpandMultiplier: 2,
+        commandWidth: ReplayCommandWidth.Uint8,
+        commandMaxLength: 64,
+        paramMaxLength: 512,
+        ...overrides
+    });
+}
+
+/** 构造一个独立的录像系统实例 */
+function createSystem(): ReplaySystem {
+    return new ReplaySystem();
+}
+
+describe('ReplayArray save and load round trips', () => {
+    // 验证指令位宽与首步命令及多类型参数在同实例上读回一致
+    it('restores the command width and reads back the first step on the same instance', () => {
+        const array = createArray();
+        array.add(3, [true, -128, 32768, 'hello', 5]);
+
+        const saved = array.saveState();
+        array.add(9, [1]);
+        array.loadState(saved);
+
+        expect(array.commandWidth).toBe(saved.metadata.commandWidth);
+        expect(array.get(0)).toEqual({
+            command: 3,
+            params: [true, -128, 32768, 'hello', 5],
+            index: 0
+        });
+    });
+
+    // 疑似 bug：loadState 未恢复录像长度与索引数组，详见 06-TEST-FINDINGS.md #06-09-4
+    it.skip('restores the recorded length on the same instance', () => {
+        const array = createArray();
+        array.add(1, [10]);
+
+        const saved = array.saveState();
+        array.add(2, [20]);
+        array.loadState(saved);
+
+        expect(array.length).toBe(1);
+        expect(array.get(0)).toEqual({ command: 1, params: [10], index: 0 });
+    });
+});
+
+describe('ReplaySystem save and load round trips', () => {
+    // 验证已注册指令与录像步在同实例上恢复到存档点
+    it('restores the route and registered commands on the same instance', () => {
+        const system = createSystem();
+        system.registerCommand(3, { execute: async () => true });
+        system.record(3, 1, true, 'param');
+
+        const snapshot = system.saveState();
+        system.record(4, 2);
+        system.replaying = true;
+        system.loadState(snapshot);
+
+        expect(system.route.length).toBe(1);
+        expect(system.route.commandWidth).toBe(snapshot.commandWidth);
+        expect(system.route.get(0)).toEqual({
+            command: 3,
+            params: [1, true, 'param'],
+            index: 0
+        });
+        expect(system.getCommand(3)).not.toBeNull();
+        expect(system.getCommand(4)).toBeNull();
+    });
+
+    // 验证读档后命令与参数数组与快照关键内容一致
+    it('keeps the command and param arrays consistent with the snapshot', () => {
+        const system = createSystem();
+        system.record(2, 7);
+
+        const snapshot = system.saveState();
+        system.record(5, 9);
+        system.loadState(snapshot);
+
+        expect(system.route.getCommandArray()).toBe(snapshot.commandArray);
+        expect(system.route.getParamArray()).toBe(snapshot.paramArray);
+        expect(system.route.get(0).command).toBe(2);
+    });
+});