在我使用第三方库rxjs后 并且在构建过程中勾选 sourceMap选项会出现问题

Creator 2.x
#1

Build Failed: Error: Error: Cannot read property ‘0’ of null
at /Applications/CocosCreator/Creator/2.3.4/CocosCreator.app/Contents/Resources/app.asar/editor/page/build/compile-worker.js:1:6921
at Gulp.