fix term.js input error problem

handler is undefined.

templates/jlog/log_online.html

@@ -148,7 +148,8 @@
         var term = new Terminal({
             cols: 80,
             rows: 24,
-              screenKeys: false
+            screenKeys: false,
+            handler: function(){return false}
         });
 
         var tag = $('<div id="term" style="height:500px; overflow: auto;background-color: rgba(0, 0, 0, 0);border: none"></div>');