diff --git a/clear_all.js b/clear_all.js
new file mode 100644
index 0000000..ca33a15
--- /dev/null
+++ b/clear_all.js
@@ -0,0 +1,28 @@
+const {exec} = require("child_process");
+const regexDevices = /[a-zA-Z0-9]/g
+exec("adb devices ", (error, stdout, stderr) => {
+    if (error) {
+        console.log(`error: ${error.message}`);
+        return;
+    }
+    if (stderr) {
+        console.log(`stderr: ${stderr}`);
+        return;
+    }
+    console.log(`stdout: ${stdout}`);
+//     find the device id from output
+//     let matchedDeviceIds  = regexDevices.exec(stdout)
+    regexDevices.global = true
+    let matchedDeviceIds = stdout.matchAll(regexDevices);
+    for (m in matchedDeviceIds) {
+        console.log(m);
+    }
+    console.log(matchedDeviceIds)
+    // var m;
+    // do {
+    // let m = regexDevices.exec(stdout);
+    // if (m) {
+    //     console.log(m[1], m[2]);
+    // }
+    // } while (m);
+});
\ No newline at end of file
diff --git a/clear_all_devices.js b/clear_all_devices.js
new file mode 100644
index 0000000..875198f
--- /dev/null
+++ b/clear_all_devices.js
@@ -0,0 +1,50 @@
+const {_android: android} = require('playwright');
+const {exec} = require("child_process");
+
+function delay(delayInMs) {
+    return new Promise(resolve => {
+        setTimeout(() => {
+            resolve(2);
+        }, delayInMs);
+    });
+}
+
+android.devices().then((devices) => {
+        devices.forEach((device) => {
+            console.log(device.serial() + ":will reset browser");
+            exec("adb -s " + device.serial() + " shell pm clear com.android.chrome", (error, stdout, stderr) => {
+                if (error) {
+                    console.log(`error: ${error.message}`);
+                    return;
+                }
+                if (stderr) {
+                    console.log(`stderr: ${stderr}`);
+                    return;
+                }
+                console.log(`stdout: ${stdout}`);
+            });
+            exec("adb -s " + device.serial() + " shell am set-debug-app --persistent com.android.chrome", (error, stdout, stderr) => {
+                if (error) {
+                    console.log(`error: ${error.message}`);
+                    return;
+                }
+                if (stderr) {
+                    console.log(`stderr: ${stderr}`);
+                    return;
+                }
+                console.log(`stdout: ${stdout}`);
+            });
+            exec("adb -s " + device.serial() + " shell am start -n com.android.chrome/com.google.android.apps.chrome.Main", (error, stdout, stderr) => {
+                if (error) {
+                    console.log(`error: ${error.message}`);
+                    return;
+                }
+                if (stderr) {
+                    console.log(`stderr: ${stderr}`);
+                    return;
+                }
+                console.log(`stdout: ${stdout}`);
+            });
+        })
+    }
+)
diff --git a/clear_data.sh b/clear_data.sh
index 14dd25a..7827296 100644
--- a/clear_data.sh
+++ b/clear_data.sh
@@ -175,4 +175,93 @@ adb -s emulator-5556 shell am start -n com.android.chrome/com.google.android.app
 #huawei mate 8
 adb -s APU7N16321020182 shell pm clear com.android.chrome
 adb -s APU7N16321020182 shell am set-debug-app --persistent com.android.chrome
-adb -s APU7N16321020182 shell am start -n com.android.chrome/com.google.android.apps.chrome.Main
\ No newline at end of file
+adb -s APU7N16321020182 shell am start -n com.android.chrome/com.google.android.apps.chrome.Main
+#1
+adb -s 2469c020930c7ece shell pm clear com.android.chrome
+adb -s 2469c020930c7ece shell am set-debug-app --persistent com.android.chrome
+adb -s 2469c020930c7ece shell am start -n com.android.chrome/com.google.android.apps.chrome.Main
+
+#2
+adb -s 2890e299833f7ece shell pm clear com.android.chrome
+adb -s 2890e299833f7ece shell am set-debug-app --persistent com.android.chrome
+adb -s 2890e299833f7ece shell am start -n com.android.chrome/com.google.android.apps.chrome.Main
+
+#3
+adb -s 2890e6d52b3f7ece shell pm clear com.android.chrome
+adb -s 2890e6d52b3f7ece shell am set-debug-app --persistent com.android.chrome
+adb -s 2890e6d52b3f7ece shell am start -n com.android.chrome/com.google.android.apps.chrome.Main
+
+#4
+adb -s 3058394b4a393498 shell pm clear com.android.chrome
+adb -s 3058394b4a393498 shell am set-debug-app --persistent com.android.chrome
+adb -s 3058394b4a393498 shell am start -n com.android.chrome/com.google.android.apps.chrome.Main
+
+#5
+adb -s 3131315531523098 shell pm clear com.android.chrome
+adb -s 3131315531523098 shell am set-debug-app --persistent com.android.chrome
+adb -s 3131315531523098 shell am start -n com.android.chrome/com.google.android.apps.chrome.Main
+
+#6
+adb -s 324d414b4a393498 shell pm clear com.android.chrome
+adb -s 324d414b4a393498 shell am set-debug-app --persistent com.android.chrome
+adb -s 324d414b4a393498 shell am start -n com.android.chrome/com.google.android.apps.chrome.Main
+
+#7
+adb -s 3452543639393498 shell pm clear com.android.chrome
+adb -s 3452543639393498 shell am set-debug-app --persistent com.android.chrome
+adb -s 3452543639393498 shell am start -n com.android.chrome/com.google.android.apps.chrome.Main
+
+#8
+adb -s 34e8475c2e0b7ece shell pm clear com.android.chrome
+adb -s 34e8475c2e0b7ece shell am set-debug-app --persistent com.android.chrome
+adb -s 34e8475c2e0b7ece shell am start -n com.android.chrome/com.google.android.apps.chrome.Main
+
+#9
+adb -s 364f55374c4c3098 shell pm clear com.android.chrome
+adb -s 364f55374c4c3098 shell am set-debug-app --persistent com.android.chrome
+adb -s 364f55374c4c3098 shell am start -n com.android.chrome/com.google.android.apps.chrome.Main
+
+#10
+adb -s 374a4a4b4a393498 shell pm clear com.android.chrome
+adb -s 374a4a4b4a393498 shell am set-debug-app --persistent com.android.chrome
+adb -s 374a4a4b4a393498 shell am start -n com.android.chrome/com.google.android.apps.chrome.Main
+
+#11
+adb -s 433954544a4a3098 shell pm clear com.android.chrome
+adb -s 433954544a4a3098 shell am set-debug-app --persistent com.android.chrome
+adb -s 433954544a4a3098 shell am start -n com.android.chrome/com.google.android.apps.chrome.Main
+
+#12
+adb -s 4347394655383098 shell pm clear com.android.chrome
+adb -s 4347394655383098 shell am set-debug-app --persistent com.android.chrome
+adb -s 4347394655383098 shell am start -n com.android.chrome/com.google.android.apps.chrome.Main
+
+#13
+adb -s 4448465253313498 shell pm clear com.android.chrome
+adb -s 4448465253313498 shell am set-debug-app --persistent com.android.chrome
+adb -s 4448465253313498 shell am start -n com.android.chrome/com.google.android.apps.chrome.Main
+
+#14
+adb -s 4653345154303098 shell pm clear com.android.chrome
+adb -s 4653345154303098 shell am set-debug-app --persistent com.android.chrome
+adb -s 4653345154303098 shell am start -n com.android.chrome/com.google.android.apps.chrome.Main
+
+#15
+adb -s 4b504b4b4a393498 shell pm clear com.android.chrome
+adb -s 4b504b4b4a393498 shell am set-debug-app --persistent com.android.chrome
+adb -s 4b504b4b4a393498 shell am start -n com.android.chrome/com.google.android.apps.chrome.Main
+
+#16
+adb -s 53534a4b4a393498 shell pm clear com.android.chrome
+adb -s 53534a4b4a393498 shell am set-debug-app --persistent com.android.chrome
+adb -s 53534a4b4a393498 shell am start -n com.android.chrome/com.google.android.apps.chrome.Main
+
+#17
+adb -s 5634563639393498 shell pm clear com.android.chrome
+adb -s 5634563639393498 shell am set-debug-app --persistent com.android.chrome
+adb -s 5634563639393498 shell am start -n com.android.chrome/com.google.android.apps.chrome.Main
+
+#18
+adb -s 344d395044413098 shell pm clear com.android.chrome
+adb -s 344d395044413098 shell am set-debug-app --persistent com.android.chrome
+adb -s 344d395044413098 shell am start -n com.android.chrome/com.google.android.apps.chrome.Main
\ No newline at end of file
diff --git a/kill-avds.sh b/kill-avds.sh
new file mode 100644
index 0000000..890cc5e
--- /dev/null
+++ b/kill-avds.sh
@@ -0,0 +1 @@
+adb devices | grep emulator | cut -f1 | while read line; do adb -s $line emu kill; done
\ No newline at end of file
diff --git a/src/appointment.js b/src/appointment.js
index 96d4bb7..83f5f5f 100644
--- a/src/appointment.js
+++ b/src/appointment.js
@@ -141,7 +141,7 @@ async function scheduleBookWithNumbers(startNumber, endNumber, selectedStore, pa
     })
 }
 
-async function startBookWithNumbers(startNumber, endNumber, selectedStore, pathToExcelFile = '/Users/lpan/Desktop/contact_all.xlsx', audioAnalyse = false, alertBeep = false) {
+async function startBookWithNumbers(startNumber, endNumber, selectedStore, pathToExcelFile = '/Users/lpan/Desktop/contact_all.xlsx', audioAnalyse = true, alertBeep = false) {
     let allContactList = excelUtil.readContacts(pathToExcelFile);
     let contactList;
     if (endNumber <= allContactList.length) {
diff --git a/src/excel/ExcelUtil.js b/src/excel/ExcelUtil.js
index a8451c1..b1d336c 100644
--- a/src/excel/ExcelUtil.js
+++ b/src/excel/ExcelUtil.js
@@ -8,8 +8,6 @@ class ExcelUtil {
         let contactList = [];
         workSheetsFromFile[0].data.forEach(
             (info, index, list) => {
-                // console.log("info:" + info)
-                // console.log("index:" + index)
                 if (index > 0 && info.length > 0) {
                     // console.log(info)
                     let name = info[0].split(" ")
diff --git a/src/workers/GeoCaptchaSolver.js b/src/workers/GeoCaptchaSolver.js
index fad9b43..8eba16f 100644
--- a/src/workers/GeoCaptchaSolver.js
+++ b/src/workers/GeoCaptchaSolver.js
@@ -9,8 +9,9 @@ const AUDIO_CAPTCHA_TRACK = ".audio-captcha-track";
 const CAPTCHA_CONTAINER = "#captcha-container";
 const WAV_URL_REGEX = "https:.+.wav";
 const re = new RegExp(WAV_URL_REGEX);
-// const SPEECH_TO_TEXT_HOST = "http://appointment.lpaconsulting.fr:8000"
-const SPEECH_TO_TEXT_HOST = "http://127.0.0.1:8000"
+const SPEECH_TO_TEXT_HOST = "http://appointment.lpaconsulting.fr:8000"
+
+// const SPEECH_TO_TEXT_HOST = "http://127.0.0.1:8000"
 
 function delay(delayInMs) {
     return new Promise(resolve => {
@@ -66,6 +67,17 @@ class GeoCaptchaSolver {
         this.device = device;
     }
 
+    async clearLastDigit(iframeHandler) {
+        let selector = "#captcha__audio > div.audio-captcha-input-container > input:nth-child(" + 6 + ")"
+        let lastDigit = await iframeHandler.locator(selector).inputValue()
+        if (lastDigit !== "") {
+            console.log(this.device.model() + ":last digit is not empty, clear it")
+            await iframeHandler.locator(selector).fill("")
+        } else {
+            console.log(this.device.model() + ":last digit is empty, do nothing")
+        }
+    }
+
     async solve(onResult) {
         console.log(this.device.model() + ":solve() called.")
         console.log(this.device.model() + ":play audio")
@@ -89,6 +101,9 @@ class GeoCaptchaSolver {
                         // console.log("selector is " + selector)
                         try {
                             await iframeHandler.locator(selector).focus()
+                            if (i === 5) {
+                                await this.clearLastDigit(iframeHandler)
+                            }
                             await iframeHandler.locator(selector).fill("" + number_list[i - 1])
                         } catch (e) {
                             console.log(e)
@@ -100,7 +115,7 @@ class GeoCaptchaSolver {
                         try {
 
                             let content = await captcha_container.innerHTML()
-                            console.log("inner container is " + content)
+                            console.log(this.device.model() + ":inner container is " + content)
                             try {
                                 if (number_list.length === 0) {
                                     onResult(false)
@@ -144,7 +159,7 @@ class GeoCaptchaSolver {
     }
 
     async resetBrowser() {
-        console.log("will reset browser")
+        console.log(this.device.model() + ":will reset browser")
         await this.device.shell("pm clear com.android.chrome")
         await delay(1000)
         await this.device.shell("am set-debug-app --persistent com.android.chrome")
diff --git a/start_avds_13.sh b/start_avds_13.sh
new file mode 100644
index 0000000..2aacf69
--- /dev/null
+++ b/start_avds_13.sh
@@ -0,0 +1,4 @@
+emulator -avd Pixel_0 &
+emulator -avd Pixel_1 &
+emulator -avd Pixel_2 &
+emulator -avd Pixel_3 &
\ No newline at end of file