微信小程序tabbar不显示

"pages":[
"pages/logs/logs",
"pages/index/index"
],

微信小程序在测试tabbar的时候怎么都不显示。

我就不贴api了。直接上代码

{
"pages":[
"pages/logs/logs",
"pages/index/index"
],
"window":{
"backgroundTextStyle":"light",
"navigationBarBackgroundColor": "#fff",
"navigationBarTitleText": "小程序",
"navigationBarTextStyle":"black"
},
"tabBar":{
"selectedColor":"#dddddd",
"color": "#3cc51f",
"backgroundColor":"#ffffff",
"list":[{
"text" : "登录",
"pagePath" : "pages/logs/logs",
"iconPath" : "image/12.png",
"selectedIconPath" : "image/12.png"
},{
"text":"注销",
"pagePath" : "pages/index/index",
"iconPath" : "image/12.png",
"selectedIconPath" : "image/12.png"
},{
"text" : "日志",
"pagePath" : "pages/logs/logs",
"iconPath" : "image/12.png",
"selectedIconPath" : "image/12.png"
}]
}
}

这个json看了一天，直觉告诉我没什么问题。实际上也没什么问题。

但是坑爹的一幕来了，tabbar怎么都不显示。最后发现是

"pages":[
pages/logs/logs",
"pages/index/index"
],

看标红的问题。第一行绝对是不能配置为"pages/index/index"。所以我换成了pages/logs/logs要不然是不会显示tabbar的