同一个主体下两个小程序均申请微信OCR插件，其中一个小程序可以使用，另外一个小程序无法使用点击会白屏，在工具中调试会报错如下：

两个小程序都在设置-第三方设置-添加了微信OCR插件

。

开发工具中真机调试报错如下：

VM75:398 Error: not node js file system!path:__plugin__/wx4418e3e031e551be/common.app.js; go __invokeHandler__ accessSync worker? false

m @ VM75:398

a.WeixinJSCore.invokeHandler @ VM75:398

_methodInvokeHandler @ WAServiceMainContext.js:1

Ue._hookWeixinJSCore @ WAServiceMainContext.js:1

(anonymous) @ WAServiceMainContext.js:1

invoke @ WAServiceMainContext.js:1

invoke @ WAServiceMainContext.js:1

g @ WAServiceMainContext.js:1

(anonymous) @ WAServiceMainContext.js:1

D @ WAServiceMainContext.js:1

(anonymous) @ WAServiceMainContext.js:1

(anonymous) @ WAServiceMainContext.js:1

Kt.emit @ WAServiceMainContext.js:1

emit @ WAServiceMainContext.js:1

(anonymous) @ WAServiceMainContext.js:1

(anonymous) @ WAServiceMainContext.js:1

(anonymous) @ WAServiceMainContext.js:1

emit @ WAServiceMainContext.js:1

emit @ WAServiceMainContext.js:1

subscribeHandler @ WAServiceMainContext.js:1

Ue._subscribeHandler @ WAServiceMainContext.js:1

ret.subscribeHandler

WAServiceMainContext.js:1 [wxapplib]] backgroundfetch privacy fail {"errno":101,"errMsg":"private_getBackgroundFetchData:fail private_getBackgroundFetchData:fail:jsapi invalid request data"}