diff --git a/packages/www/src/RULES.js b/packages/www/src/RULES.js
index c9229ee..23c24a6 100644
--- a/packages/www/src/RULES.js
+++ b/packages/www/src/RULES.js
@@ -327,8 +327,8 @@ module.exports = [{
 },
 {
     title: '16进制颜色',
-    rule: /^#?([a-fA-F0-9]{6}|[a-fA-F0-9]{3}|[a-fA-F0-9]{8})$/,
-    examples: ['#f00', '#F90', '#000', '#fe9de8', '#f8f8f8ff']
+    rule: /^#?([a-fA-F0-9]{6}|[a-fA-F0-9]{3}|[a-fA-F0-9]{8}|[a-fA-F0-9]{4})$/,
+    examples: ['#f00', '#F90', '#000', '#fe9de8', '#f8f8f8ff', '#f003']
 },
 {
     title: '微信号(wx)，6至20位，以字母开头，字母，数字，减号，下划线',