diff --git a/scripts/release.sh b/scripts/release.sh
index 5cdf35b..52c6676 100755
--- a/scripts/release.sh
+++ b/scripts/release.sh
@@ -130,14 +130,30 @@ digest_of() {
     | python3 -c 'import sys,json;print(json.load(sys.stdin).get("digest","?"))' 2>/dev/null \
     || echo "?"
 }
-D_LATEST=$(digest_of latest)
-D_V01=$(digest_of v0.1)
-D_IMM=$(digest_of "${IMMUTABLE_TAG}")
+# Docker Hub 的 tags API 有传播延迟：刚 push 完立刻查，常常还是旧 digest。
+# 实测遇到过 latest 已是新值、v0.1 还停在旧值，如果只查一次就会误判成
+# "并发覆盖"并拒绝部署。所以轮询到三者一致为止（最多 60 秒）。
+DIGEST_ATTEMPTS=12
+DIGEST_SLEEP=5
+for attempt in $(seq 1 ${DIGEST_ATTEMPTS}); do
+  D_LATEST=$(digest_of latest)
+  D_V01=$(digest_of v0.1)
+  D_IMM=$(digest_of "${IMMUTABLE_TAG}")
+  if [ "${D_LATEST:0:19}" = "${D_V01:0:19}" ] && [ "${D_LATEST:0:19}" = "${D_IMM:0:19}" ] \
+     && [ "${D_LATEST:0:19}" != "?" ]; then
+    break
+  fi
+  if [ "${attempt}" -lt "${DIGEST_ATTEMPTS}" ]; then
+    echo "  ⏳ 远端 digest 尚未同步（第 ${attempt}/${DIGEST_ATTEMPTS} 次），${DIGEST_SLEEP}s 后重试…"
+    sleep ${DIGEST_SLEEP}
+  fi
+done
 echo "  latest      : ${D_LATEST:0:19}"
 echo "  v0.1        : ${D_V01:0:19}"
 echo "  ${IMMUTABLE_TAG}: ${D_IMM:0:19}"
 if [ "${D_LATEST:0:19}" != "${D_V01:0:19}" ] || [ "${D_LATEST:0:19}" != "${D_IMM:0:19}" ]; then
-  echo "❌ 三个 tag digest 不一致，先别继续部署（可能是并发构建覆盖了 latest）"
+  echo "❌ 三个 tag digest 不一致（已等待 $((DIGEST_ATTEMPTS * DIGEST_SLEEP)) 秒）"
+  echo "   若 latest 与 v0.1 不同：可能是并发构建覆盖了 latest（检查 flock 锁是否被绕过）"
   exit 1
 fi
 echo "  → 一致 ✅"