diff --git a/package.json b/package.json
index c96a935..7178368 100644
--- a/package.json
+++ b/package.json
@@ -16,6 +16,7 @@
     "electron-squirrel-startup": "^1.0.0",
     "mongodb": "^4.9.1",
     "mongoose": "^6.5.4",
+    "node-schedule": "^2.1.0",
     "node-wget": "^0.4.3",
     "node-xlsx": "^0.21.0",
     "playwright": "1.23.0",
diff --git a/src/mail_validator.js b/src/mail_validator.js
index b1e554c..0586e93 100644
--- a/src/mail_validator.js
+++ b/src/mail_validator.js
@@ -3,8 +3,11 @@ const {_android: android} = require("playwright");
 const alert = require("alert");
 const LinkValidator = require("./workers/LinkValidator");
 const mongoManager = new MongoManager();
+const schedule = require('node-schedule');
+let canContinue = true;
+
+function validateLinks() {
 
-mongoManager.connect().then(r => {
     android.devices().then((devices) => {
         if (devices.length === 0) {
             alert("未找到连接的设备");
@@ -14,15 +17,18 @@ mongoManager.connect().then(r => {
             let segmentNumber = list.length / devices.length;
             console.log("connected device number:" + devices.length)
             console.log("segmentNumber:" + segmentNumber)
+            canContinue = false;
             for (let i = 0; i < devices.length; i++) {
                 startWithList(list.slice(i * segmentNumber, segmentNumber * (i + 1)), devices[i]).then(result => {
                     console.log("stop")
+                    canContinue = true;
                 })
             }
         })
 
     })
-});
+}
+
 
 async function startWithList(listOfUrls, device) {
     await listOfUrls.reduce(async (promise, urlToValidate) => {
@@ -34,4 +40,14 @@ async function startWithList(listOfUrls, device) {
         await commandor.loadPage()
         console.log("next");
     }, Promise.resolve());
-}
\ No newline at end of file
+}
+
+mongoManager.connect().then(r => {
+    const job = schedule.scheduleJob('*/1 * * * *', function () {
+        if (canContinue) {
+            validateLinks()
+        } else {
+            console.log("job is executing, ignored")
+        }
+    })
+});
\ No newline at end of file
diff --git a/src/workers/LinkValidator.js b/src/workers/LinkValidator.js
index 876a900..d3987bf 100644
--- a/src/workers/LinkValidator.js
+++ b/src/workers/LinkValidator.js
@@ -30,6 +30,7 @@ REGEX_RDV_URL = "https:\/\/rendezvousparis\.hermes\.com\/client\/register\/[A-Z0
 const PLAY_AUDIO_BTN_ID = ".audio-captcha-play-button"
 const homedir = require('os').homedir();
 const CAPTCHA_CONTAINER = "#captcha-container";
+
 function delay(delayInMs) {
     return new Promise(resolve => {
         setTimeout(() => {
@@ -62,44 +63,49 @@ class LinkValidator {
         // Connect to the device.
         log("loadPage() called for url " + this.urlToValidate);
         // await this.device.shell('am force-stop com.android.chrome');
-        const context = await this.device.launchBrowser();
-        // await context.clearCookies()
-
-        // Use BrowserContext as usual.
-        this.page = await context.newPage();
-        this.page.on("load", (loadedPage) => {
-            this.onPageLoad(loadedPage)
-        })
-
-        this.page.on("response", (response) => {
-            this.onResponse(response)
-        })
         try {
-            await this.page.goto(this.urlToValidate, {timeout: 90 * 1000});
+            const context = await this.device.launchBrowser();
+            // await context.clearCookies()
+
+            // Use BrowserContext as usual.
+            this.page = await context.newPage();
+            this.page.on("load", (loadedPage) => {
+                this.onPageLoad(loadedPage)
+            })
+
+            this.page.on("response", (response) => {
+                this.onResponse(response)
+            })
+            try {
+                await this.page.goto(this.urlToValidate, {timeout: 90 * 1000});
+            } catch (e) {
+                log(e)
+                this.isTerminated = true
+            }
+
+            let cancel
+            const intervalTask = setInterval(() => {
+                if (this.isTerminated) {
+                    log("request terminated, will close device")
+                    context.close()
+                    // this.page.close()
+                    this.device.close()
+                    clearInterval(intervalTask)
+                    cancel()
+                    return context
+                }
+            }, 10 * 1000)//interval of 10 seconds
+
+            await new Promise(function (fulfill, reject) {
+                cancel = function () {
+                    fulfill(Promise.resolve())
+                }
+                setTimeout(fulfill, TIME_OUT, 5)
+            }).then(log)
         } catch (e) {
-            log(e)
-            this.isTerminated = true
+            console.log(e)
         }
 
-        let cancel
-        const intervalTask = setInterval(() => {
-            if (this.isTerminated) {
-                log("request terminated, will close device")
-                context.close()
-                // this.page.close()
-                this.device.close()
-                clearInterval(intervalTask)
-                cancel()
-                return context
-            }
-        }, 10 * 1000)//interval of 10 seconds
-
-        await new Promise(function (fulfill, reject) {
-            cancel = function () {
-                fulfill(Promise.resolve())
-            }
-            setTimeout(fulfill, TIME_OUT, 5)
-        }).then(log)
     }
 
     async onPageLoad(currentPage) {