handle error result

routes/methods.js

@@ -153,9 +153,10 @@ var methods = {
     },
     addProjectOverview: function(data, callback) {
         dbconn.project.query('INSERT INTO project_overview SET ?', data, function (err, results, fields){
-            if (err) throw err;
-            //console.log(results.insertId)
-            callback(results.insertId, err);
+            if (err) {
+                console.error(err);
+            }
+            callback(results, err);
         })
     }
 };