diff --git a/vars/notifyLark.groovy b/vars/notifyLark.groovy
index 425e708..47bad05 100644
--- a/vars/notifyLark.groovy
+++ b/vars/notifyLark.groovy
@@ -1,3 +1,34 @@
+def buildCommitDiffMarkdown() {
+  def changeSets = currentBuild.changeSets
+
+  if (!changeSets || changeSets.isEmpty()) {
+    return '_本次构建无代码变更_'
+  }
+
+  def commits = []
+
+  changeSets.each { cs ->
+    cs.items.each { item ->
+      def author = item.author?.fullName ?: 'unknown'
+      def msg    = item.msg?.trim()?.replaceAll('[\\r\\n]+', ' ')
+      commits << "- **${msg}**（${author}）"
+    }
+  }
+
+  if (commits.isEmpty()) {
+    return '_本次构建无代码变更_'
+  }
+
+  // 防止消息过长（飞书卡片有长度限制）
+  def maxCommits = 5
+  if (commits.size() > maxCommits) {
+    commits = commits.take(maxCommits)
+    commits << "_……以及更多提交_"
+  }
+
+  return commits.join('\n')
+}
+
 def call(Map args = [:]) {
 
   // ===== 参数 =====
@@ -32,7 +63,8 @@ def call(Map args = [:]) {
     ABORTED : "<text_tag color='neutral'>已中止</text_tag>"
   ][buildStatus] ?: "<text_tag color='neutral'>未知状态</text_tag>"
 
-  def commitDiff = "[查看变更记录](${buildUrl}changes)"
+  // def commitDiff = "[查看变更记录](${buildUrl}changes)"
+  def commitDiff = buildCommitDiffMarkdown()
 
   // ===== 凭证 =====
   withCredentials([