diff --git a/styles/components/issue.tsx b/styles/components/issue.tsx
index b0a1709..0a2b0fd 100644
--- a/styles/components/issue.tsx
+++ b/styles/components/issue.tsx
@@ -123,8 +123,7 @@ export const dropdown = css`
 export const prMerge = css`
   .repository.view.issue .comment-list .timeline-item.pull-merge-box {
     // 头像
-    .timeline-avatar.green {
-      background-color: ${themeVars.github.bgColor.success.emphasis};
+    .timeline-avatar {
       color: ${themeVars.color.text.self} !important;
       border-radius: ${otherThemeVars.border.radius};
       width: 40px;
@@ -136,14 +135,33 @@ export const prMerge = css`
         width: 24px;
         height: 24px;
       }
-      + .content > .ui.attached.segment {
-        border-left-color: ${themeVars.github.bgColor.success.emphasis};
-        border-right-color: ${themeVars.github.bgColor.success.emphasis};
-        &:first-child {
-          border-top-color: ${themeVars.github.bgColor.success.emphasis};
+      // 可以合并
+      &.green {
+        background-color: ${themeVars.github.bgColor.success.emphasis};
+        // 操作评论边框色
+        + .content > .ui.attached.segment {
+          border-left-color: ${themeVars.github.bgColor.success.emphasis};
+          border-right-color: ${themeVars.github.bgColor.success.emphasis};
+          &:first-child {
+            border-top-color: ${themeVars.github.bgColor.success.emphasis};
+          }
+          &:last-child {
+            border-bottom-color: ${themeVars.github.bgColor.success.emphasis};
+          }
         }
-        &:last-child {
-          border-bottom-color: ${themeVars.github.bgColor.success.emphasis};
+      }
+      // 已合并
+      &.purple {
+        background-color: ${themeVars.github.bgColor.done.emphasis};
+        + .content > .ui.attached.segment {
+          border-left-color: ${themeVars.github.bgColor.done.emphasis};
+          border-right-color: ${themeVars.github.bgColor.done.emphasis};
+          &:first-child {
+            border-top-color: ${themeVars.github.bgColor.done.emphasis};
+          }
+          &:last-child {
+            border-bottom-color: ${themeVars.github.bgColor.done.emphasis};
+          }
         }
       }
     }