diff --git a/swarmlab-app/src/run/app.js b/swarmlab-app/src/run/app.js
index ed5680a..0d99d89 100755
--- a/swarmlab-app/src/run/app.js
+++ b/swarmlab-app/src/run/app.js
@@ -291,50 +291,51 @@ app.get('/get_log', [
 cors(corsOptions),  (req, res, next) => {
 
   (async() => { 
-
-var mongourl = "mongodb://"+CONFIG.mongo.user+":"+CONFIG.mongo.password+"@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&authSource=swarmlabplaygroundstats"
-const OPTS = { 
-  useNewUrlParser: true, 
-  useUnifiedTopology: true
-};
-MongoClient.connect(mongourl, OPTS, function(err, client){
-    if(err){
-        console.log(err);
-    } else {
-      const db = client.db('fluent');
-      //db.collection('log', onCollection);
-      console.log(JSON.stringify('mongo connected')) 
-      var stream = db.collection('logs').find({}, {
-        tailable: true,
-        awaitdata: true
-      }).stream();
-
-      stream.on('data', function (doc) {
-        console.log(JSON.stringify(doc)) 
-        //socket.write(JSON.stringify({'action': 'log','param': doc.log}));
-
-
-        var RES = new Object();
-        RES.token     = req.query["token"]
-        RES.start     = req.query["start"]
-        RES.end       = req.query["end"]
-        RES.filter    = req.query["filter"]
-        var isvalid = await checkToken(RES.token);
-        if(isvalid.action == 'ok'){
-            console.log("Authserver ok " + RES.token);
-            RES.error = 'ok'
-        }else{
-            console.log("Authserver no " + RES.token);
-            RES.error = 'no'
+                  var RES = new Object();
+                  RES.token     = req.query["token"]
+                  RES.start     = req.query["start"]
+                  RES.end       = req.query["end"]
+                  RES.filter    = req.query["filter"]
+                  var isvalid = await checkToken(RES.token);
+                  if(isvalid.action == 'ok'){
+                      console.log("Authserver ok " + RES.token);
+                      RES.error = 'ok'
+                  }else{
+                      console.log("Authserver no " + RES.token);
+                      RES.error = 'no'
+                  }
+if(RES.error == 'ok'){
+    var mongourl = "mongodb://"+CONFIG.mongo.user+":"+CONFIG.mongo.password+"@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&authSource=swarmlabplaygroundstats"
+    const OPTS = { 
+      useNewUrlParser: true, 
+      useUnifiedTopology: true
+    };
+    MongoClient.connect(mongourl, OPTS, function(err, client){
+        if(err){
+            console.log(err);
+        } else {
+          const db = client.db('fluent');
+          //db.collection('log', onCollection);
+          console.log(JSON.stringify('mongo connected')) 
+          var stream = db.collection('logs').find({}, {
+            tailable: true,
+            awaitdata: true
+          }).stream();
+
+          stream.on('data', function (doc) {
+            console.log(JSON.stringify(doc)) 
+            //socket.write(JSON.stringify({'action': 'log','param': doc.log}));
+                      RES.error_msg = "ok"
+                      res.json(RES)
+          });
         }
-        RES.error_msg = "ok"
-        res.json(RES)
-
+    });
+}else{
 
+RES.error_msg = "tokeni err"
+res.json(RES)
 
-      });
-    }
-});
+}
 
   })()