diff --git a/src/component/SeleniumBrowser.js b/src/component/SeleniumBrowser.js
index f2ba1e2..69374f8 100644
--- a/src/component/SeleniumBrowser.js
+++ b/src/component/SeleniumBrowser.js
@@ -15,16 +15,16 @@ class SeleniumBrowser {
         this.capabilities = Capabilities.chrome()
         this.sleep = m => new Promise(r => setTimeout(r, m))
         this.isRecaptchaReseponseEmpty = false
-        // this.pool = pool.createPool({
-        //     create: () => {
-        //         return this.getDriver();
-        //     },
-        //     destroy: function (driver) {
-        //         driver.quit();
-        //     }
-        // }, {
-        //     max: 10, min: 1
-        // });
+        this.pool = pool.createPool({
+            create: () => {
+                return this.getDriver();
+            },
+            destroy: function (driver) {
+                driver.quit();
+            }
+        }, {
+            max: 10, min: 1
+        });
     }
 
     getDriver() {
@@ -45,7 +45,7 @@ class SeleniumBrowser {
         } else {
             logger.info('URL %s', uri)
             if (uri.indexOf('://') > 3) {
-                return this.getDriver().then(driver => {
+                return this.pool.acquire().then(driver => {
                     return driver.get(uri)
                         .then(() => driver.findElement(By.css('body')))
                         .then(body => body.getAttribute('innerHTML'))
@@ -86,7 +86,7 @@ class SeleniumBrowser {
                     if (maxRetry == 0) break
                 } while (res.request == 'CAPCHA_NOT_READY')
                 this.isRecaptchaReseponseEmpty = false
-                //this.pool.release(driver)
+                this.pool.release(driver)
                 return res
             }).then(res => {
                 logger.debug(res, '2captcha solved')
@@ -100,18 +100,22 @@ class SeleniumBrowser {
                 })
             }).catch(error => {
                 logger.error({ message: error.message }, 'Error occured while process with 2captcha')
-                //this.pool.release(driver)
+                this.pool.release(driver)
             })
             return ''
         } else {
-            return driver.get(params.uri)
-                .then(() => driver.wait(until.elementLocated(By.css(params.waitElement))))
-                .then(() => driver.findElement(By.css('body')))
-                .then(body => body.getAttribute('innerHTML'))
-                .then(html => {
-                    //this.pool.release(driver)
-                    return html
-                })
+            if (params.waitElement) {
+                return driver.get(params.uri)
+                    .then(() => driver.wait(until.elementLocated(By.css(params.waitElement))))
+                    .then(() => driver.findElement(By.css('body')))
+                    .then(body => body.getAttribute('innerHTML'))
+                    .then(html => {
+                        this.pool.release(driver)
+                        return html
+                    })
+            } else {
+               return html
+            }
         }
     }