diff --git a/lib/helper.js b/lib/helper.js
index 97f31736..9cec7490 100644
--- a/lib/helper.js
+++ b/lib/helper.js
@@ -381,21 +381,25 @@ const extendsMixIn = wd => {
    * @summary Support: Web(WebView)
    * @param {string} eventType of the event.
    * @param {number} keyCode of the event.
+   * @param {number} key of the event.
    * @type utility
    * @returns {Promise.<boolean>}
    */
-  wd.addPromiseChainMethod('keyboardEvent', function(eventType = 'keydown', keyCode = 13) {
+  wd.addPromiseChainMethod('keyboardEvent', function(eventType = 'keydown', keyCode = 13, key) {
     // TODO
     // HTMLEvents
     eventType = eventType.toLowerCase();
     const uuid = Date.now();
-    const script = `
+    let script = `
       var _element_${uuid} = window.__macaca_current_element;
       var event_${uuid} = document.createEvent('UIEvents');
       event_${uuid}.initUIEvent('${eventType}', true, true, window, 0);
       event_${uuid}.keyCode = ${keyCode};
-      _element_${uuid}.dispatchEvent(event_${uuid});
     `;
+    if (key) {
+      script += `event_${uuid}.key = '${key}';`;
+    }
+    script += `_element_${uuid}.dispatchEvent(event_${uuid});`;
     return this
       .execute(script)
       .sleep(100);
diff --git a/package.json b/package.json
index b4b60de2..25926753 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "macaca-wd",
-  "version": "2.2.1",
+  "version": "2.2.2",
   "description": "Macaca wd client",
   "keywords": [
     "macaca",