diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6720c70..9e6158b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,3 +5,4 @@
 ### 🐞 Fix
 
 - Fix the problem of missing background color and width when there is a unicode character in the diff
+- Fix the disabled operation button interval in the code preview interface
\ No newline at end of file
diff --git a/styles/components/filelist.ts b/styles/components/filelist.ts
index e5efcdd..ea243e2 100644
--- a/styles/components/filelist.ts
+++ b/styles/components/filelist.ts
@@ -316,6 +316,10 @@ export const repoFileView = css`
                 &:last-of-type {
                   border-top-right-radius: ${otherThemeVars.border.radius};
                   border-bottom-right-radius: ${otherThemeVars.border.radius};
+                  // 与无权限按钮之间的间距
+                  + .btn-octicon.disabled {
+                    margin-left: 8px;
+                  }
                 }
                 &:hover {
                   background: ${themeVars.color.hover.self};