diff --git a/src/index.html b/src/index.html
index 324530bc796dd7393bac207e656c5d3a0cdb5d8b..3e1848fbe823da3eb1389c02f6f2078321463f62 100644
--- a/src/index.html
+++ b/src/index.html
@@ -68,6 +68,12 @@
               console.log("******local********"); 
               localStorage.setItem("courseware_data",JSON.stringify(data));
               callback&&callback();
+            },
+            uploadUrl: function(){
+              return "";
+            },
+            uploadData: function(){
+              return "";
             }
           }
         }