var uid = "xxxxxxxxx";

var securityKey = "CCCCCCC";

var date = new Date();

var timestamp = date.getTime();

var nonce = Math.round(Math.random()*1000000000);

var signature = CryptoJS.SHA1(nonce + ";" + securityKey + ";" + timestamp + ";" + uid + ";").toString(CryptoJS.enc.Hex);

pm.globals.set("x-uid", uid);

pm.globals.set("x-timestamp", timestamp);

pm.globals.set("x-nonce", nonce);

pm.globals.set("x-signature", signature);

1、问题：接口调用提示：请检查 pm is not definde ,咱们平台设置最后的变量不是这么配置吗？