diff --git a/scripts/database-backup-to-oss.mjs b/scripts/database-backup-to-oss.mjs
index c64e8657f..148267ac7 100644
--- a/scripts/database-backup-to-oss.mjs
+++ b/scripts/database-backup-to-oss.mjs
@@ -4517,6 +4517,21 @@ if (
     for (const line of describeError(error)) {
       console.error(`[database-backup] ${line}`);
     }
+    // 即使初始化失败（例如已有进程持有锁），也保持 --result-file 可被机器读取。
+    // 调用方可以检查错误载荷并跳过延后上传，避免对空的临时文件执行 JSON.parse。
+    try {
+      const parsed = parseArgs(process.argv.slice(2));
+      if (parsed.resultFile) {
+        atomicWriteJson(resolvePath(parsed.resultFile), {
+          uploadStatus: 'failed',
+          error: error instanceof Error ? error.message : String(error),
+          archivePath: '',
+          manifestPath: '',
+        });
+      }
+    } catch {
+      // 参数解析或状态文件写入失败时，不能掩盖原始备份错误。
+    }
     process.exit(1);
   });
 }
diff --git a/scripts/deploy/production-stdb-publish.sh b/scripts/deploy/production-stdb-publish.sh
index f34492476..c102e45ec 100644
--- a/scripts/deploy/production-stdb-publish.sh
+++ b/scripts/deploy/production-stdb-publish.sh
@@ -519,7 +519,9 @@ prepare_async_backup() {
     restart_service_args+=(--restart-service-after genarrative-api.service)
   fi
 
-  ASYNC_BACKUP_STATUS_FILE="$(mktemp /tmp/genarrative-stdb-backup-status.XXXXXX.json)"
+  task_tmp_dir="${HOME}/data/tmp"
+  mkdir -p "${task_tmp_dir}"
+  ASYNC_BACKUP_STATUS_FILE="$(mktemp "${task_tmp_dir}/genarrative-stdb-backup-status.XXXXXX.json")"
   echo "[production-stdb-publish] publish 前生成本地冷备份，随后会异步上传 OSS"
   node -- "${ASYNC_BACKUP_SCRIPT}" \
     --env-file /etc/genarrative/api-server.env \
@@ -536,14 +538,32 @@ start_async_backup_upload() {
   local node_binary=""
   local unit_name=""
   local unit_suffix=""
+  local backup_paths=""
 
   if [[ -z "${ASYNC_BACKUP_STATUS_FILE}" || ! -f "${ASYNC_BACKUP_STATUS_FILE}" ]]; then
     echo "[production-stdb-publish] 警告：未找到可上传的本地备份状态文件，跳过异步上传" >&2
     return 0
   fi
 
-  ASYNC_BACKUP_ARCHIVE="$(node -e 'const fs=require("node:fs"); const p=process.argv[1]; const o=JSON.parse(fs.readFileSync(p,"utf8")); process.stdout.write(o.archivePath || "");' "${ASYNC_BACKUP_STATUS_FILE}")"
-  ASYNC_BACKUP_MANIFEST="$(node -e 'const fs=require("node:fs"); const p=process.argv[1]; const o=JSON.parse(fs.readFileSync(p,"utf8")); process.stdout.write(o.manifestPath || "");' "${ASYNC_BACKUP_STATUS_FILE}")"
+  # 备份进程可能因数据库锁冲突在写入状态文件前退出，或只留下空/截断文件。
+  # 解析失败时保留状态文件并让调用方继续处理发布失败，不能再让 node JSON.parse
+  # 的堆栈噪声覆盖原始备份错误。
+  if ! backup_paths="$(node -e '
+    const fs = require("node:fs");
+    const p = process.argv[1];
+    let o;
+    try {
+      o = JSON.parse(fs.readFileSync(p, "utf8"));
+    } catch {
+      process.exit(2);
+    }
+    process.stdout.write(`${o.archivePath || ""}\n${o.manifestPath || ""}`);
+  ' "${ASYNC_BACKUP_STATUS_FILE}" 2>/dev/null)"; then
+    echo "[production-stdb-publish] 警告：备份状态文件为空或不是有效 JSON，跳过异步上传并保留状态文件: ${ASYNC_BACKUP_STATUS_FILE}" >&2
+    return 1
+  fi
+  ASYNC_BACKUP_ARCHIVE="${backup_paths%%$'\n'*}"
+  ASYNC_BACKUP_MANIFEST="${backup_paths#*$'\n'}"
   if [[ -z "${ASYNC_BACKUP_ARCHIVE}" || -z "${ASYNC_BACKUP_MANIFEST}" ]]; then
     echo "[production-stdb-publish] 警告：备份状态文件缺少 archivePath 或 manifestPath，跳过异步上传" >&2
     return 0
@@ -727,7 +747,9 @@ if [[ -n "${RUN_AS_USER}" && "$(id -u)" -eq 0 ]]; then
     echo "[production-stdb-publish] 发布用户不存在: ${RUN_AS_USER}" >&2
     exit 1
   fi
-  PUBLISH_TMP_DIR="$(mktemp -d /tmp/genarrative-stdb-publish.XXXXXX)"
+  task_tmp_dir="${HOME}/data/tmp"
+  mkdir -p "${task_tmp_dir}"
+  PUBLISH_TMP_DIR="$(mktemp -d "${task_tmp_dir}/genarrative-stdb-publish.XXXXXX")"
   install -m 0644 "${SOURCE_DIR}/spacetime_module.wasm" "${PUBLISH_TMP_DIR}/spacetime_module.wasm"
   chown -R "${RUN_AS_USER}:${RUN_AS_USER}" "${PUBLISH_TMP_DIR}"
   PUBLISH_ARGS=(