def processString(String content) {
                                return content
                            }
@NonCPS
def collectChangeInfo() {
    // 配置文件扩展名正则匹配
    def configFilePatterns = ~/.*[\\/]*[^\\/]*\.(yaml|yml|ini|groovy)$/
    
    // 存储最后一个符合条件的变更
    def lastCodeChange = ""
    
    def changeLogSets = currentBuild.changeSets
    changeLogSets.each { changeSet ->
        changeSet.items.each { entry ->
            // 检查是否有非配置文件的变更
            def isCodeChange = entry.affectedFiles.any { file ->
                !(file.path ==~ configFilePatterns)
            }
            
            if (isCodeChange) {
                lastCodeChange += "Commit ${entry.commitId.substring(0, 8)} by ${entry.author} Info"
                lastCodeChange += "${entry.msg}\n"
            }
        }
    }
    return lastCodeChange ? lastCodeChange.trim() : "No valid code changes found."
}

return this