diff --git a/lib/chrome.js b/lib/chrome.js
index d8f3963..da770cb 100644
--- a/lib/chrome.js
+++ b/lib/chrome.js
@@ -53,9 +53,21 @@ var ChromeObject = function(interfaces) {
     this.frameIndex = -1;
 
     this.isPreventEvaluate = false;
+    this.isAppMode = true;
+    this.baseScreenX = 0;
+    this.baseScreenY = 0;
 
     this.create = function() {
         this.oAutoIt = AutoIt.create();
+
+        if (!this.isAppMode) {
+            this.baseScreenX = 1;
+            this.baseScreenY = 87;
+        } else {
+            this.baseScreenX = 1;
+            this.baseScreenY = 32;
+        }
+        
         return this;
     };
 
@@ -305,6 +317,12 @@ var ChromeObject = function(interfaces) {
 
             // block non-proxyed webrtc traffic
             cmd.push("--force-webrtc-ip-handling-policy=disable-non-proxied-udp");
+            
+            // disable session crashed bubble (
+            //cmd.push("--disable-session-crashed-bubble");
+
+            // enable restore the last session
+            //cmd.push("--restore-last-session");
 
             // set profile directory
             cmd.push("--profile-directory=\"" + this.profileName + "\"");
@@ -328,8 +346,14 @@ var ChromeObject = function(interfaces) {
                 cmd.push("--user-agent=\"" + this.userAgent + "\"");
             }
 
-            // set URL
-            cmd.push("\"" + url + "\"");
+            // set the URL
+            if (!this.isAppMode) {
+                cmd.push("\"" + url + "\"");
+            } else {
+                cmd.push("--app=\"" + url + "\"");
+            }
+
+            // build the command line
             console.log(cmd.join(" "));
 
             // run
@@ -351,14 +375,23 @@ var ChromeObject = function(interfaces) {
 
         if (this.debuggingPort > 0) {
             try {
-                var responseText = HTTP.get("http://127.0.0.1:" + this.debuggingPort + "/json");
+                //var responseText = HTTP.get("http://127.0.0.1:" + this.debuggingPort + "/json");
                 //console.log(responseText);
-                pageList = JSON.parse(responseText);
+                //pageList = JSON.parse(responseText);
+
+                var pageList = HTTP.create("CURL")
+                    .setDataType("json")
+                    .open("GET", "http://127.0.0.1:" + this.debuggingPort + "/json")
+                    .send()
+                    .responseBody
+                ;
+
                 this.pageList = pageList;
                 return pageList;
             } catch (e) {
                 console.error("ChromeObject.getPageList() ->", e.message);
-                return this.getPageList();
+                //return this.getPageList();    // 무한 루프 문제로 주석처리
+                return pageList;   // 바로 넘김
             }
         } else {
             console.error("Remote debugging unavailable");
@@ -1167,12 +1200,12 @@ var ChromeObject = function(interfaces) {
     };
 
     this.vMouseClick = function(x, y) {
-        Toolkit.sendClick(this.pageId.substring(0, 6), x, y, 1);
+        Toolkit.sendClick(this.pageId.substring(0, 6), this.baseScreenX + x, this.baseScreenY + y, 1);
     };
 
     this.mouseClick = function(x, y) {
         var screenPosition = this.getScreenPosition();
-        this.oAutoIt.callFunction("MouseMove", [screenPosition.x + x, screenPosition.y + y]);
+        this.oAutoIt.callFunction("MouseMove", [screenPosition.x + this.baseScreenX + x, screenPosition.y + this.baseScreenY + y]);
         this.oAutoIt.callFunction("MouseClick", ["left"]);
     };
 
@@ -1237,7 +1270,7 @@ exports.startDebugInPrivate = function(url, proxy, profileName, debuggingPort, i
         .setUserDataDir(null)
         .setDebuggingPort(debuggingPort)
         .setIsPreventProxy(isPreventProxy)
-		.setInPrivate(true)
+        .setInPrivate(true)
         //.addUserAgentsFromFile("data\\Chrome.txt")
         //.addUserAgentsFromFile("data\\Edge.txt")
         //.addUserAgentsFromFile("data\\Safari.txt")