diff --git a/Jenkinsfile b/Jenkinsfile
index 2e1a9a3..2832c19 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -2,7 +2,6 @@ pipeline {
     agent any
 
     parameters {
-        string(name: 'BRANCH', defaultValue: 'main', description: 'Git 分支名')
         string(name: 'VERSION', defaultValue: '', description: '发布版本号（留空自动递增）')
         booleanParam(name: 'RUN_TESTS', defaultValue: true, description: '是否运行单元测试')
         booleanParam(name: 'PUBLISH_SPM', defaultValue: true, description: '发布 SPM 版本（打 Git Tag）')
@@ -23,7 +22,12 @@ pipeline {
     stages {
         stage('Checkout') {
             steps {
-                checkout scm
+                checkout([
+                  $class: 'GitSCM',
+                  branches: [[name: 'main']],
+                  extensions: [[$class: 'CleanBeforeCheckout']],
+                  userRemoteConfigs: scm.userRemoteConfigs
+                ])
                 script {
                     env.GIT_COMMIT_SHORT = sh(script: 'git rev-parse --short HEAD', returnStdout: true).trim()
                     if (params.VERSION?.trim()) {
@@ -74,10 +78,7 @@ pipeline {
 
         stage('Publish SPM (Git Tag)') {
             when {
-                allOf {
-                    branch 'main'
-                    expression { return params.PUBLISH_SPM }
-                }
+                expression { return params.PUBLISH_SPM }
             }
             steps {
                 withCredentials([usernamePassword(credentialsId: 'gitlab-credentials', passwordVariable: 'GIT_PASS', usernameVariable: 'GIT_USER')]) {
@@ -95,10 +96,7 @@ pipeline {
 
         stage('Publish CocoaPods') {
             when {
-                allOf {
-                    branch 'main'
-                    expression { return params.PUBLISH_PODS }
-                }
+                expression { return params.PUBLISH_PODS }
             }
             steps {
                 sh """