Update README-zh.md

Author: yanjinhuagood

README-zh.md

@@ -89,7 +89,11 @@ xmlns:wd="https://github.com/WPFDevelopersOrg/WPFDevelopers"
 `xmlns:wd="https://github.com/WPFDevelopersOrg/WPFDevelopers"`  
 
 ***
+### ColorPicker
 
+<img src="https://gitee.com/WPFDevelopersOrg/ResourcesCache/raw/main/resources/WPFDevelopersResource/ColorPicker.gif"/>   
+
+----------
 ### NumericBox
 
 <img src="https://gitee.com/WPFDevelopersOrg/ResourcesCache/raw/main/resources/WPFDevelopersResource/NumericBox.gif"/>