[图片] 敏感数据（openid、unionid）已经提前在登录接口 code2Session 得到了，所以看上去解密 encryptedData 只剩下校验数据的有效性的作用了？

- 当前 Bug 的表现（可附上截图） 在  view的background-image  放这串base64能显示出来，在wxss写却显示不了 .test {     background-image:url("data:image/png;base64,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");     width:30rpx;     height:30rpx;     display:inline-block;     background-size:100%;     background-repeat:no-repeat; }