不是在首页做分享，分享出去之后在头部会出现小房子图标，点击回到首页   wx.setNavigationBarColor就失效了，打印出来success结果返回ok，但就是没有设置成功

var arr={

      red: ‘#e4393c’,

      green: ‘#39c4a5’,

      yellow: ‘#ffb104’,

      lightred: ‘#f45957’,

      pink: ‘#f960b2’,

      purple: ‘#7d2cb5’,

      black: ‘#242424’,

      darkblue: ‘#0059a9’,

      orange_yellow: ‘#f1731f’,

      dark_pink: ‘#c82c8f’,

      blue: ‘#476ace’,

      light_blue: ‘#1f89df’,

      grass_green: ‘#42b059’,

      light_grassgreen: ‘#39c4a5’,

      white:’#fff’,

      blue_sky:’#0097fe’

    }

  wx.setNavigationBarColor({

    frontColor: ‘#ffffff’,

    backgroundColor: arr[color],

    animation: {

      duration: 100,

      timingFunc: ‘easeIn’

    },

  })