diff --git a/Jenkinsfile b/Jenkinsfile
index a065dd7..a771df4 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -34,18 +34,20 @@ pipeline {
             steps {
                 withCredentials([usernamePassword(credentialsId: "harbor-credentials", usernameVariable: "HUSER", passwordVariable: "HPASS")]) {
                     sh '''
-                        echo $HPASS | docker login $HARBOR -u $HUSER --password-stdin
-                        # 跨地域 push 大 blob 易断流，重试利用断点续传（已传层会跳过）
-                        for i in 1 2 3 4 5 6 7 8; do
-                          docker push $IMAGE:$TAG && break
-                          echo "push $IMAGE:$TAG 第 $i 次中断，3秒后重试（断点续传）..."
-                          sleep 3
-                        done
-                        for i in 1 2 3 4 5 6 7 8; do
-                          docker push $IMAGE:latest && break
-                          echo "push $IMAGE:latest 第 $i 次中断，3秒后重试..."
-                          sleep 3
-                        done
+                        # 跨地域 push 大 blob 易断流 + Harbor auth session 会过期
+                        # 每次 push 前重新 login，组合成原子重试单元（断点续传，已传层跳过）
+                        push_retry() {
+                          local img=$1
+                          for i in 1 2 3 4 5 6 7 8 9 10; do
+                            echo $HPASS | docker login $HARBOR -u $HUSER --password-stdin >/dev/null 2>&1
+                            docker push "$img" && return 0
+                            echo "push $img 第 $i 次中断，5秒后重试（重新登录+断点续传）..."
+                            sleep 5
+                          done
+                          return 1
+                        }
+                        push_retry $IMAGE:$TAG
+                        push_retry $IMAGE:latest
                         docker logout $HARBOR
                     '''
                 }