Cocos Creator 3.8.3 property([RealCurve]) not work

@property([RealCurve])
public Curves: RealCurve[] = [];

when add curve in the inspector, the console show the error below:
TypeError: Cannot read property ‘map’ of undefined

at process:scene

at RealCurveDump.decodeByDump (F:\soft_install\cocos_download\Creator\3.8.3\resources\app.asar\builtin\scene\dist\script\export\dump\types\real-curve-dump.ccc:1:821)

at RealCurveDump.decode (F:\soft_install\cocos_download\Creator\3.8.3\resources\app.asar\builtin\scene\dist\script\export\dump\types\real-curve-dump.ccc:1:250)

at _decodeByType (F:\soft_install\cocos_download\Creator\3.8.3\resources\app.asar\builtin\scene\dist\script\export\dump\decode.ccc:1:4617)

at decodePatch (F:\soft_install\cocos_download\Creator\3.8.3\resources\app.asar\builtin\scene\dist\script\export\dump\decode.ccc:1:5975)

at decodePatch (F:\soft_install\cocos_download\Creator\3.8.3\resources\app.asar\builtin\scene\dist\script\export\dump\decode.ccc:1:5881)

at DumpUtil.restoreProperty (F:\soft_install\cocos_download\Creator\3.8.3\resources\app.asar\builtin\scene\dist\script\export\dump\index.ccc:1:847)

at NodeManager.setProperty (F:\soft_install\cocos_download\Creator\3.8.3\resources\app.asar\builtin\scene\dist\script\3d\manager\node\index.ccc:1:7996)

at PrefabSceneFacade.setNodeProperty (F:\soft_install\cocos_download\Creator\3.8.3\resources\app.asar\builtin\scene\dist\script\3d\facade\prefab-scene-facade.ccc:1:1713)

at SceneFacadeManager.setNodeProperty (F:\soft_install\cocos_download\Creator\3.8.3\resources\app.asar\builtin\scene\dist\script\3d\facade\scene-facade-manager.ccc:1:10573)

at step (F:\soft_install\cocos_download\Creator\3.8.3\resources\app.asar\builtin\scene\dist\script\3d\manager\ipc\web\ipc.ccc:1:732)

I had the same issue, I resolved it by using:

import { geometry } from ‘cc’;
@property({
type: geometry.AnimationCurve
})
public readonly curve = new geometry.AnimationCurve();

Hope it helps…