想用liquidfun.js的流体库，导入cocos creator的时候，用github上最新release版本1.1.0 https://github.com/google/liquidfun/releases
出现这个错，TypeError: Cannot read property ‘slice’ of null 有人遇到过吗？
Cocos Creator版本是2.0.7
load script [D:\liquid_demo\demo\temp\quick-scripts\assets\scripts\lib\liquidfun\liquidfun.js] failed : TypeError: Cannot read property ‘slice’ of null
at parseJSFunc (D:\liquid_demo\demo\temp\quick-scripts\assets\scripts\lib\liquidfun\liquidfun.js:219:54)
at D:\liquid_demo\demo\temp\quick-scripts\assets\scripts\lib\liquidfun\liquidfun.js:221:54
at __define (D:\liquid_demo\demo\temp\quick-scripts\assets\scripts\lib\liquidfun\liquidfun.js:240:3)
at D:\liquid_demo\demo\temp\quick-scripts\assets\scripts\lib\liquidfun\liquidfun.js:18185:13
at Object. (D:\liquid_demo\demo\temp\quick-scripts\assets\scripts\lib\liquidfun\liquidfun.js:18192:11)
at Object. (D:\liquid_demo\demo\temp\quick-scripts\assets\scripts\lib\liquidfun\liquidfun.js:18195:3)
at Module._compile (module.js:571:32)
at Object.Module._extensions…js (module.js:580:10)
at Module.load (module.js:488:32)
at tryModuleLoad (module.js:447:12)