关键词调整 timestamp -> t

package.json

 {
   "name": "nodejs-yitong-sdk",
-  "version": "1.0.2",
+  "version": "1.0.3",
   "description": "",
   "main": "index.js",
   "scripts": {

yitong-sdk.js

@@ -375,9 +375,10 @@ function auth(opts) {
 function track(opts) {
     return async function (ctx, next) {
         ctx.track = true; // 全部接口收集
+        let t = Date.now();
         ctx.trackEvent = {
             __referer__: `${opts.serviceName}:${ctx.path}`,
-            timestamp: Date.now(),
+            t: t,
             app_key: ctx.getAppKey() || _.get(ctx.token, 'aud') || opts.appKey,
             event: {
                 key: 'api'
@@ -388,7 +389,6 @@ function track(opts) {
                 user_id: _.get(ctx.token, 'sub')
             }
         }
-        let t = Date.now();
         try {
             await next();
         } finally {