cause
Some SVG images already have the fill attribute set in the definition, which may cause manual changes to the fill color to have no effect. To solve this problem, the following method can be used to remove the fill attribute that comes with SVG. The personal center icon in the figure below is downloaded from the iconfont, it can be seen that it will not be affected when the color of the fill attribute is changed.
Solution
You can open the svg icon with the computer's built-in WordPad, or open the icon with a text editor, search for fill, delete the line break style, and save it.
The following is the result after successful modification, you can modify the color by yourself.
