diff --git a/jenkins/Jenkinsfile.ai-game-creator-shell-build b/jenkins/Jenkinsfile.ai-game-creator-shell-build
index e8cdb7096..c2e74bcfd 100644
--- a/jenkins/Jenkinsfile.ai-game-creator-shell-build
+++ b/jenkins/Jenkinsfile.ai-game-creator-shell-build
@@ -29,9 +29,9 @@ pipeline {
     stage('Checkout') {
       steps {
         withCredentials([sshUserPrivateKey(credentialsId: env.GIT_REMOTE_CREDENTIAL_ID, keyFileVariable: 'GIT_SSH_KEY', usernameVariable: 'GIT_SSH_USER')]) {
-          withEnv(["GIT_SSH_COMMAND=ssh -i \"${env.GIT_SSH_KEY}\" -o StrictHostKeyChecking=no"]) {
-            powershell '''
+          powershell '''
             $ErrorActionPreference = 'Stop'
+            $env:GIT_SSH_COMMAND = "ssh -i `"$env:GIT_SSH_KEY`" -o StrictHostKeyChecking=no"
             $git = 'C:\\Tools\\Git\\cmd\\git.exe'
             if (-not (Test-Path $git)) { throw "找不到 Git: $git" }
             if (Test-Path '.git') {
@@ -65,8 +65,7 @@ pipeline {
             $resolved = (& $git rev-parse HEAD).Trim()
             Set-Content -Path '.jenkins-source-commit' -Value $resolved -NoNewline
             Write-Host "源码 commit=$resolved"
-            '''
-          }
+          '''
         }
       }
     }