https://developers.weixin.qq.com/miniprogram/dev/platform-capabilities/en/extended/component-plus/wxml-to-canvas.htmlhttps://developers.weixin.qq.com/miniprogram/dev/platform-capabilities/en/extended/component-plus/wxml-to-canvas.html

想实现在图片上增加文字水印，所以给<text class="water">水印</text>的样式water增加color:'rgb(0 0 0 / 5%)',在开发者工具能实现透明度，在IOS手机稳定微信app崩溃闪退。请问是不支持透明度设置吗？