maptalks's version and what browser you use?

@maptalks/gl v0.97.4
@maptalks/vt v0.95.0
@maptalks/3dtiles v0.97.4
@maptalks/gltf-layer v0.97.4
@maptalks/transform-control v0.97.4
@maptalks/video-layer v0.97.4
@maptalks/analysis v0.97.4
@maptalks/transcoders.draco v0.97.4

Issue description

淹没分析控制台报错：WebGL: INVALID_OPERATION: useProgram: program not valid

Please provide a reproduction URL (on any jsfiddle like site)