[LayaAir3]3.3.1+3.3.2 多个后期处理增删会导致webgl报错

Uncaught TypeError: Cannot read properties of null (reading '_mask')
    at WebDefineDatas.addDefineDatas (WebDefineDatas.js:63:30)
    at WebGLRenderElement2D._compileShader (WebGLRenderElement2D.js:46:24)
    at WebGLRenderElement2D._prepare (WebGLRenderElement2D.js:53:14)
    at WebglRenderContext2D.drawRenderElementOne (WebGLRenderContext2D.js:156:14)
    at WebGLDraw2DElementCMD.apply (WebGL2DRenderCMD.js:32:21)
    at WebGLRenderContext2D.js:166:21
    at Array.forEach (<anonymous>)
    at WebglRenderContext2D.runCMDList (WebGLRenderContext2D.js:165:14)
    at CommandBuffer2D.apply (CommandBuffer2D.js:53:33)
    at PostProcessRenderContext2D._apply (PostProcess2D.js:164:22)