解决办法如下:
1、首先,在PS中打开一张RGB格式图片,如下图所示,然后进入下一步。
![](https://iknow-pic.cdn.bcebos.com/54fbb2fb43166d221a31f3e8562309f79052d20c?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
2、其次,点击视图,选择校样设置-工作中的CMYK,如下图所示,然后进入下一步。
![](https://iknow-pic.cdn.bcebos.com/0b55b319ebc4b74559d2516adffc1e178a821503?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
3、接着,点击视图-校样颜色,如下图所示,然后进入下一步。
![](https://iknow-pic.cdn.bcebos.com/4afbfbedab64034f6a8b247abfc379310a551d03?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
4、然后,使用快捷键ctrl
+ shift + alt + e将所有图层盖印,如下图所示,然后进入下一步。
5、随后,选择合并的图层,点击图像,选择模式- cmyk颜色,如下图所示,然后进入下一步。
![](https://iknow-pic.cdn.bcebos.com/b7fd5266d016092450624467c40735fae6cd3403?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
6、接着,在弹出窗口中,点击不栅格化,如下图所示,然后进入下一步。
![](https://iknow-pic.cdn.bcebos.com/0ff41bd5ad6eddc4a5a0528729dbb6fd52663303?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
7、最后,可以看到效果图,颜色基本没变,如下图所示。这样,问题就解决了。
![](https://iknow-pic.cdn.bcebos.com/c2fdfc039245d6883f4554d8b4c27d1ed21b2403?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)