this.ctx = wx.createCanvasContext('myCanvas');

this.ctx.font = '20px SimSun';

this.ctx.fillStyle = '#704AF2';

this.ctx.fillText('AI集合站·您身边的AI助手！', 60, 40);

this.ctx.draw()

// this.ctx.drawImage(ewmfilePath, 50, 60, 180, 180);

this.ctx.font = '14px SimSun';

this.ctx.fillStyle = '#00007f';

this.ctx.fillText('（扫一扫或长按上方二维码进入）', 50, 280);

this.ctx.draw(true);

this.flag = true;

uni.hideLoading()