permissionExternalStorage 不起作用 提示语根本不显示

"distribute" : {
/ android打包配置 /
"android" : {
"permissionPhoneState" : {
"request" : "none",
"prompt" : "需要获取设备信息,统计app使用率"
},
// 应用保存运行状态等信息，需要获取读写手机存储（系统提示为访问设备上的照片、媒体内容和文件）权限，请允许 wgt
"permissionExternalStorage" : {
"request" : "once",
"prompt" : "应用需要保存运行状态，用户信息等数据到手机。"
},
"permissions" : [
"<uses-feature android:name=\"android.hardware.camera\"/>",
"<uses-feature android:name=\"android.hardware.camera.autofocus\"/>",
"<uses-permission android:name=\"android.permission.ACCESS_NETWORK_STATE\"/>",
"<uses-permission android:name=\"android.permission.ACCESS_WIFI_STATE\"/>",
"<uses-permission android:name=\"android.permission.CAMERA\"/>",
"<uses-permission android:name=\"android.permission.CHANGE_NETWORK_STATE\"/>",
"<uses-permission android:name=\"android.permission.CHANGE_WIFI_STATE\"/>",
"<uses-permission android:name=\"android.permission.FLASHLIGHT\"/>",
"<uses-permission android:name=\"android.permission.GET_ACCOUNTS\"/>",
"<uses-permission android:name=\"android.permission.MOUNT_UNMOUNT_FILESYSTEMS\"/>",
"<uses-permission android:name=\"android.permission.READ_LOGS\"/>",
"<uses-permission android:name=\"android.permission.READ_PHONE_STATE\"/>",
"<uses-permission android:name=\"android.permission.VIBRATE\"/>",
"<uses-permission android:name=\"android.permission.WAKE_LOCK\"/>",
"<uses-permission android:name=\"android.permission.WRITE_SETTINGS\"/>"
],
// 为保证您正常、安全地使用，需要获取设备识别码（部分手机提示为获取手机号码）使用权限，请允许
"abiFilters" : [ "armeabi-v7a" ],
"minSdkVersion" : "",
"targetSdkVersion" : ""
},
/ ios打包配置 /
"ios" : {},
/ SDK配置 /
"sdkConfigs" : {
"maps" : {
"amap" : {
"appkey_ios" : "16e3ef150e908a8764a275ca314ce6b5",
"appkey_android" : "16e3ef150e908a8764a275ca314ce6b5"
}
},
"geolocation" : {
"amap" : {
"platform" : [ "ios", "android" ],
"appkey_ios" : "16e3ef150e908a8764a275ca314ce6b5",
"appkey_android" : "16e3ef150e908a8764a275ca314ce6b5"
}
},
"ad" : {}
},
"icons" : {
"android" : {
"hdpi" : "unpackage/res/icons/72x72.png",
"xhdpi" : "unpackage/res/icons/96x96.png",
"xxhdpi" : "unpackage/res/icons/144x144.png",
"xxxhdpi" : "unpackage/res/icons/192x192.png"
},
"ios" : {
"appstore" : "unpackage/res/icons/1024x1024.png",
"ipad" : {
"app" : "unpackage/res/icons/76x76.png",
"app@2x" : "unpackage/res/icons/152x152.png",
"notification" : "unpackage/res/icons/20x20.png",
"notification@2x" : "unpackage/res/icons/40x40.png",
"proapp@2x" : "unpackage/res/icons/167x167.png",
"settings" : "unpackage/res/icons/29x29.png",
"settings@2x" : "unpackage/res/icons/58x58.png",
"spotlight" : "unpackage/res/icons/40x40.png",
"spotlight@2x" : "unpackage/res/icons/80x80.png"
},
"iphone" : {
"app@2x" : "unpackage/res/icons/120x120.png",
"app@3x" : "unpackage/res/icons/180x180.png",
"notification@2x" : "unpackage/res/icons/40x40.png",
"notification@3x" : "unpackage/res/icons/60x60.png",
"settings@2x" : "unpackage/res/icons/58x58.png",
"settings@3x" : "unpackage/res/icons/87x87.png",
"spotlight@2x" : "unpackage/res/icons/80x80.png",
"spotlight@3x" : "unpackage/res/icons/120x120.png"
}
}
},
"splashscreen" : {
"androidStyle" : "default",
"android" : {
"hdpi" : "C:/Users/Administrator/Desktop/LOGO/480_762.png",
"xhdpi" : "C:/Users/Administrator/Desktop/LOGO/720_1242.png",
"xxhdpi" : "C:/Users/Administrator/Desktop/LOGO/1080_1882.png"
}
}
}