diff --git a/index.html b/index.html
index b395034..2b99120 100644
--- a/index.html
+++ b/index.html
@@ -52,6 +52,7 @@
                     </a>
                 </li>
 
+	              <!-- 全屏 -->
                 <li class="layui-nav-item layui-hide-xs">
                     <a id="fullScreen" class=" pr10 pl10" href="javascript:">
                         <i class="layui-icon layui-icon-screen-full"></i>
diff --git a/js/okadmin.js b/js/okadmin.js
index feb7c6a..9903492 100644
--- a/js/okadmin.js
+++ b/js/okadmin.js
@@ -148,29 +148,34 @@ layui.use(["element", "layer", "okUtils", "okTab", "okLayer", "okContextMenu"],
   });
 
   /**
-   * 全屏/退出全屏
+   * 键盘的事件监听
    */
   $("body").on("keydown", function (event) {
     event = event || window.event || arguments.callee.caller.arguments[0];
+
     // 按 Esc
     if (event && event.keyCode === 27) {
       console.log("Esc");
-      $("#fullScreen").children("i").eq(0).removeClass("okicon-screen-restore");
+      $("#fullScreen").children("i").eq(0).removeClass("layui-icon-screen-restore");
     }
     // 按 F11
     if (event && event.keyCode == 122) {
-      $("#fullScreen").children("i").eq(0).addClass("okicon-screen-restore");
+    	console.log("F11");
+      $("#fullScreen").children("i").eq(0).addClass("layui-icon-screen-restore");
     }
   });
 
+	/**
+	 * 全屏/退出全屏
+	 */
   $("body").on("click", "#fullScreen", function () {
-    if ($(this).children("i").hasClass("okicon-screen-restore")) {
+    if ($(this).children("i").hasClass("layui-icon-screen-restore")) {
       screenFun(2).then(function () {
-        $(this).children("i").eq(0).removeClass("okicon-screen-restore");
+	      $("#fullScreen").children("i").eq(0).removeClass("layui-icon-screen-restore");
       });
     } else {
       screenFun(1).then(function () {
-        $(this).children("i").eq(0).addClass("okicon-screen-restore");
+	      $("#fullScreen").children("i").eq(0).addClass("layui-icon-screen-restore");
       });
     }
   });