修复备份任务退出码

scripts/backup-scheduler.sh

@@ -35,11 +35,13 @@ run_job() {
     write_job_state "${status_dir}" "${type}" success '执行成功'
     "${SCRIPT_DIR}/backup-status.sh" write || true
     return
+  else
+    # 必须在失败分支中立即读取退出码；if 语句本身在无 else 时会返回 0。
+    local code=$?
+    write_job_state "${status_dir}" "${type}" failed "执行失败（退出码 ${code}）"
+    "${SCRIPT_DIR}/backup-status.sh" write || true
+    return "${code}"
   fi
-  local code=$?
-  write_job_state "${status_dir}" "${type}" failed "执行失败（退出码 ${code}）"
-  "${SCRIPT_DIR}/backup-status.sh" write || true
-  return "${code}"
 }
 
 main() {