uni-app IOS 调用 plus.geolocation.getCurrentPosition 报错

uni-app IOS 调用 plus.geolocation.getCurrentPosition 报错

示例代码：

let posOpts = posOpts =  {provider:'amap',enableHighAccuracy:true,timeout:10000,geocode:true,coordsType:'gcj02'}  
plus.geolocation.getCurrentPosition(function(result){  
    callback && callback(result)  
}, function(e){  
    that.geolocation();  
},posOpts);

操作步骤：

let posOpts = posOpts =  {provider:'amap',enableHighAccuracy:true,timeout:10000,geocode:true,coordsType:'gcj02'}  
plus.geolocation.getCurrentPosition(function(result){  
    callback && callback(result)  
}, function(e){  
    that.geolocation();  
},posOpts);

预期结果：

期望正常运行

实际结果：

现在报错

bug描述：

2.8.8 版本
Android 正常运行
IOS 调用 plus.geolocation.getCurrentPosition 报错如下：
[JS Framework] Failed to execute the callback function:
16:49:58.959 TypeError: n.setTimeout is not a function. (In ‘n.setTimeout(function(){c(t),t=null,i(new r(r.TIMEOUT,“Position retrieval timed out.”))},o)’, ‘n.setTimeout’ is undefined) __ERROR

编辑器版本切换至2.8.7 代码正常执行