diff --git a/swarmlab-app/src/run/app.js b/swarmlab-app/src/run/app.js
index 8c76f0f..fe025db 100755
--- a/swarmlab-app/src/run/app.js
+++ b/swarmlab-app/src/run/app.js
@@ -387,11 +387,12 @@ function onCollection(err, collection) {
 //    db.collection('log', onCollection);
 //}
 
-var mongourl = "mongodb://playgrounduser:efvvnuioervefSDFSGYGHRDFVsdfergvssppiiedifhwincvinviw_dbfjbsifbsdkjfswuunscfudfgbbfvibqefwrvnine@ondemand_playground_mongo1:27017,ondemand_playground_mongo2:27017,ondemand_playground_mongo3:27017,ondemand_playground_mongo4:27017,ondemand_playground_mongo5:27017,ondemand_playground_mongo6:27017,ondemand_playground_mongo7:27017/?replicaSet=rs1"
+var mongourl = "mongodb://playgrounduser:efvvnuioervefSDFSGYGHRDFVsdfergvssppiiedifhwincvinviw_dbfjbsifbsdkjfswuunscfudfgbbfvibqefwrvnine@ondemand_playground_mongo1:27017,ondemand_playground_mongo2:27017,ondemand_playground_mongo3:27017,ondemand_playground_mongo4:27017,ondemand_playground_mongo5:27017,ondemand_playground_mongo6:27017,ondemand_playground_mongo7:27017/fluent?replicaSet=rs1"
 //MongoClient.connect(mongourl, options).then((client) => {
 MongoClient.connect(mongourl).then((client) => {
-    const db = client.db('fluent');
-    db.collection('log', onCollection);
+    //const db = client.db('fluent');
+    //db.collection('log', onCollection);
+    client.collection('log', onCollection);
     // do database things
 }).catch((error) => {
             console.log("connect_error_mongo " +JSON.stringify(error))