remove cookie exp

src/DotNetCore.CAP/Dashboard/Content/js/cap.js

@@ -608,8 +608,5 @@ $(function () {
 
 function nodeSwitch(id) {
     console.log("id:" + id);
-    var Days = 10;
-    var exp = new Date();
-    exp.setTime(exp.getTime() + Days * 24 * 60 * 60 * 1000);
-    document.cookie = "cap.node=" + escape(id) + ";expires=" + exp.toGMTString();
+    document.cookie = "cap.node=" + escape(id) + ";";
 }