diff --git a/.github/release.md b/.github/release.md
index 99aa29a..d92ca17 100644
--- a/.github/release.md
+++ b/.github/release.md
@@ -1,8 +1,3 @@
-## ✨ Feature
-
-- 支持色盲主题(Beta) ( 红绿色盲和蓝色盲 ) ( Colorblind & Tritanopia )
-
 ## 🐞 Fix
 
-- 查看代码文件页面路径栏有时内容不会居中
-- 查看代码文件页面文件树头部滚动到底部时不会固定住
+- 修复红绿色盲主题的代码高亮色
diff --git a/src/core/color.ts b/src/core/color.ts
index 991c15f..3e0f597 100644
--- a/src/core/color.ts
+++ b/src/core/color.ts
@@ -84,7 +84,7 @@ export type ThemeColor = {
  *   github,
  * })
  */
-export function defineTheme(themeColor: ThemeColor, chroma: Chroma | null = null): Theme {
+export function defineTheme(themeColor: ThemeColor, chroma?: Chroma): Theme {
   const brightDir = themeColor.isDarkTheme ? -1 : 1;
 
   const primary: Primary = {
diff --git a/themes/colorblind-dark.css.ts b/themes/colorblind-dark.css.ts
index f3b44ea..517566c 100644
--- a/themes/colorblind-dark.css.ts
+++ b/themes/colorblind-dark.css.ts
@@ -71,4 +71,4 @@ export const colorblindDarkPrettylights: prettylightsColor = {
 export const colorblindDarkColors: ThemeColor = github2ThemeColor(colorblindDarkGithubColors);
 export const colorblindDarkChroma: Chroma = prettylights2Chroma(colorblindDarkPrettylights);
 
-export default defineTheme(colorblindDarkColors);
+export default defineTheme(colorblindDarkColors, colorblindDarkChroma);
diff --git a/themes/colorblind-light.css.ts b/themes/colorblind-light.css.ts
index e9385ab..f2cd855 100644
--- a/themes/colorblind-light.css.ts
+++ b/themes/colorblind-light.css.ts
@@ -71,4 +71,4 @@ export const colorblindLightPrettylights: prettylightsColor = {
 export const colorblindLightColors: ThemeColor = github2ThemeColor(colorblindLightGithubColors);
 export const colorblindLightChroma: Chroma = prettylights2Chroma(colorblindLightPrettylights);
 
-export default defineTheme(colorblindLightColors);
+export default defineTheme(colorblindLightColors, colorblindLightChroma);