diff --git a/static/js/components/app-main/index.js b/static/js/components/app-main/index.js
index 12cfe46..4705fb6 100644
--- a/static/js/components/app-main/index.js
+++ b/static/js/components/app-main/index.js
@@ -181,6 +181,8 @@ module.exports = Vue.component('app-main', {
       context.expandCommand = trigger && trigger.contains(target);
     }, false);
 
+    var timer;
+
     ipc.on('emulator', function (event, type, project, data){
       var xtermNode = context.$els.terminal;
       var runtime = window.AppRuntime[project.name];
@@ -188,7 +190,10 @@ module.exports = Vue.component('app-main', {
       if (runtime) {
         xtermNode.innerHTML = '';
         runtime.xterm.write(data + '');
-        xtermNode.appendChild(runtime.xterm.screen);
+        if(runtime.xterm.isFu)
+        setTimeout(function (){
+          xtermNode.appendChild(runtime.xterm.screen);
+        }, 1);
       } else {
         event.sender.send('emulator', project, 'stop');
       }
diff --git a/static/js/terminal/lib/focused.js b/static/js/terminal/lib/focused.js
index 7e4a494..f8abcf4 100644
--- a/static/js/terminal/lib/focused.js
+++ b/static/js/terminal/lib/focused.js
@@ -7,6 +7,14 @@
 module.exports = function (Terminal){
   Terminal.focus = null;
 
+  /**
+   * isFocused
+   * @returns {boolean}
+   */
+  Terminal.prototype.isFocused = function (){
+    return Terminal.focus === this;
+  };
+
   /**
    * focus
    */
@@ -17,6 +25,8 @@ module.exports = function (Terminal){
       Terminal.focus.blur();
     }
 
+    Terminal.focus = this;
+
     if (this.cursor) {
       this.showCursor();
     }
@@ -24,8 +34,6 @@ module.exports = function (Terminal){
     if (this.cursorBlink) {
       this.startBlink();
     }
-
-    Terminal.focus = this;
   };
 
   /**