多合一无法签到，报错，有没有大佬指点一下是什么原因

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internal/modules/cjs/loader.js:892
throw err;
^

Error: Cannot find module 'png-js'
Require stack:
- /ql/scripts/utils/JDJRValidator_Pure.js
- /ql/scripts/utils/JD_DailyBonus.js
at Function.Module._resolveFilename (internal/modules/cjs/loader.js:889:15)
at Function.Module._load (internal/modules/cjs/loader.js:745:27)
at Module.require (internal/modules/cjs/loader.js:961:19)
at require (internal/modules/cjs/helpers.js:92:18)
at Object. (/ql/scripts/utils/JDJRValidator_Pure.js:11:13)
at Module._compile (internal/modules/cjs/loader.js:1072:14)
at Object.Module._extensions..js (internal/modules/cjs/loader.js:1101:10)
at Module.load (internal/modules/cjs/loader.js:937:32)
at Function.Module._load (internal/modules/cjs/loader.js:778:12)
at Module.require (internal/modules/cjs/loader.js:961:19) {
code: 'MODULE_NOT_FOUND',
requireStack: [
'/ql/scripts/utils/JDJRValidator_Pure.js',
'/ql/scripts/utils/JD_DailyBonus.js'
]
}