diff --git a/public/time.js b/public/time.js
index 05079ef..d25c03a 100644
--- a/public/time.js
+++ b/public/time.js
@@ -1,68 +1,2 @@
-// author: inu1255
-
-const path = require('path')
-
-function newPromise(fn) {
-  let a, b
-  var tmp = {
-    resolve(x) {
-      if (this.pending) {
-        a(x)
-        this.resolved = true
-        this.pending = false
-      }
-    },
-    reject(e) {
-      if (this.pending) {
-        b(e)
-        this.rejectd = true
-        this.pending = false
-      }
-    },
-    pending: true,
-    resolved: false,
-    rejected: false
-  }
-  /** @type {Promise<T>} */
-  var pms = new Promise(function (resolve, reject) {
-    a = resolve
-    b = reject
-    if (fn) fn(tmp.resolve, tmp.reject)
-  })
-  return Object.assign(pms, tmp)
-}
-
-let cbIdx = 1
-const cbMap = new Map()
-function getWorker() {
-  if (getWorker.worker) return getWorker.worker
-  const worker = new Worker(path.join(__dirname, 'time.worker.js'))
-  getWorker.worker = worker
-  worker.onmessage = (e) => {
-    if (e.data && cbMap.has(e.data.cb)) {
-      cbMap.get(e.data.cb).apply(null, e.data.args)
-    }
-  }
-  return worker
-}
-
-function call(method, args) {
-  const cb = cbIdx++
-  let pms = newPromise()
-  cbMap.set(cb, function (err, data) {
-    if (err) pms.reject(err)
-    else pms.resolve(data)
-  })
-  getWorker().postMessage({
-    method,
-    args,
-    cb
-  })
-  return pms
-}
-
-function sleep(ms) {
-  return call('sleep', [ms])
-}
-
-exports.sleep = sleep
+// time.js author: inu1255
+const path=require("path");function newPromise(fn){let a,b;var tmp={resolve(x){if(this.pending){a(x);this.resolved=true;this.pending=false}},reject(e){if(this.pending){b(e);this.rejectd=true;this.pending=false}},pending:true,resolved:false,rejected:false};var pms=new Promise(function(resolve,reject){a=resolve;b=reject;if(fn)fn(tmp.resolve,tmp.reject)});return Object.assign(pms,tmp)}let cbIdx=1;const cbMap=new Map;function getWorker(){if(getWorker.worker)return getWorker.worker;const worker=new Worker(path.join(__dirname,"time.worker.js"));getWorker.worker=worker;worker.onmessage=e=>{if(e.data&&cbMap.has(e.data.cb)){cbMap.get(e.data.cb).apply(null,e.data.args)}};return worker}function call(method,args){const cb=cbIdx++;let pms=newPromise();cbMap.set(cb,function(err,data){if(err)pms.reject(err);else pms.resolve(data)});getWorker().postMessage({method:method,args:args,cb:cb});return pms}function sleep(ms){return call("sleep",[ms])}exports.sleep=sleep;
\ No newline at end of file
diff --git a/public/time.worker.js b/public/time.worker.js
index d62d14e..97b632d 100644
--- a/public/time.worker.js
+++ b/public/time.worker.js
@@ -1,21 +1,2 @@
-// author: inu1255
-
-const apis = {
-  sleep(ms) {
-    return new Promise((resolve) => setTimeout(resolve, ms))
-  }
-}
-
-onmessage = (event) => {
-  const data = event.data
-  if (!data) return
-  const { cb, method, args } = data
-  if (!apis[method]) {
-    postMessage({ cb, err: 'no such method' })
-    return
-  }
-  apis[method].apply(null, args).then(
-    (res) => postMessage({ cb, data: res }),
-    (err) => postMessage({ cb, err })
-  )
-}
+// time.worker.js author: inu1255
+const apis={sleep(ms){return new Promise(resolve=>setTimeout(resolve,ms))}};onmessage=event=>{const data=event.data;if(!data)return;const{cb,method,args}=data;if(!apis[method]){postMessage({cb:cb,err:"no such method"});return}apis[method].apply(null,args).then(res=>postMessage({cb:cb,data:res}),err=>postMessage({cb:cb,err:err}))};
\ No newline at end of file