diff --git a/board.bkp b/board.bkp
index 5313074..d50281a 100644
Binary files a/board.bkp and b/board.bkp differ
diff --git a/src/main/java/sacip/sti/agents/InterfaceAgent.java b/src/main/java/sacip/sti/agents/InterfaceAgent.java
index a124a89..2f543ec 100644
--- a/src/main/java/sacip/sti/agents/InterfaceAgent.java
+++ b/src/main/java/sacip/sti/agents/InterfaceAgent.java
@@ -10,6 +10,7 @@
 import com.fasterxml.jackson.annotation.JsonFormat;
 import com.fasterxml.jackson.databind.JsonNode;
 import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.node.ObjectNode;
 
 import org.midas.as.AgentServer;
 import org.midas.as.agent.board.Board;
@@ -139,7 +140,11 @@ public String fazLogin(@RequestBody JsonNode credenciais) {
 
 			require("SACIP"+setLocal, "registerStudent"+setLocal).run();
 
-			return setLocal+"";
+			ObjectNode newNode = new ObjectMapper().createObjectNode();
+			newNode.put("porta", setLocal);
+			newNode.set("estudante", new ObjectMapper().valueToTree(estudantes.get(0)));
+
+			return newNode.toString();
 			
 		} catch (Exception e) {
 			LOG.error("ERRO NO LOGIN", e);
diff --git a/src/main/java/sacip/sti/agents/TrackingAgent.java b/src/main/java/sacip/sti/agents/TrackingAgent.java
index 725bf69..9101f71 100644
--- a/src/main/java/sacip/sti/agents/TrackingAgent.java
+++ b/src/main/java/sacip/sti/agents/TrackingAgent.java
@@ -32,7 +32,6 @@
 public class TrackingAgent extends Agent implements MessageListener {
 
 	private static Logger LOG = LoggerFactory.getLogger(AgentServer.class);
-	private String port;
 
 	@Override
 	public void provide(String service, Map in, List out) throws ServiceException {
@@ -71,24 +70,25 @@ protected void lifeCycle() throws LifeCycleException, InterruptedException {
 		Board.addMessageListener("SACIP", this);
 
 		while (alive) {
-			LOG.info("INSTANCIA " + this.port + " viva");
-			Thread.sleep(300000);
+			LOG.info("INSTANCIA " + super.getPort() + " viva");
+			
 			try {
-				ServiceWrapper wrapper = require("SACIP"+this.port, "getAluno"+this.port);
-				Student estudante = (Student) wrapper.run();
-				descobrirModulosMaisUtilizados(estudante);
-				descobrirTagsMaisUtilizadas(estudante);
-				descobrirTopicosMaisUtilizados(estudante);
-				verificarFrequenciaDoAluno(estudante);
-				descobrirTempoGastoPorTopico(estudante);
-				descobrirTempoGastoPorTag(estudante);
-				descobrirTempoGastoPorModulo(estudante);
-				descobrirTiposDeExercicioQueMelhorEPiorSaiu(estudante);
+				ServiceWrapper wrapper = require("SACIP"+super.getPort(), "getAluno"+super.getPort());
+				Student estudante = (Student) wrapper.run().get(0);
+				// descobrirModulosMaisUtilizados(estudante);
+				// descobrirTagsMaisUtilizadas(estudante);
+				// descobrirTopicosMaisUtilizados(estudante);
+				// verificarFrequenciaDoAluno(estudante);
+				// descobrirTempoGastoPorTopico(estudante);
+				// descobrirTempoGastoPorTag(estudante);
+				// descobrirTempoGastoPorModulo(estudante);
+				// descobrirTiposDeExercicioQueMelhorEPiorSaiu(estudante);
 
 			} catch (Exception e) {
 
 				LOG.error("Ocorreu um erro no ciclo de vida do Agente Rastreador", e);
 			}
+			Thread.sleep(30000);
 		}
 
 	}
diff --git a/src/main/java/sacip/sti/components/DBConnection.java b/src/main/java/sacip/sti/components/DBConnection.java
index ff61522..2e60ad3 100644
--- a/src/main/java/sacip/sti/components/DBConnection.java
+++ b/src/main/java/sacip/sti/components/DBConnection.java
@@ -702,10 +702,13 @@ private static Map<String, Object> mapaCriacaoUsuario(String[] tags, String[] co
 
         String name = randomString();
         String password = randomString();
-        String avatar = randomString();
         String genero = generos[generator.nextInt(generos.length)];
         String nivelEdu = niveisEdu[generator.nextInt(niveisEdu.length)];
         int idade = generator.nextInt(30)+12;
+        String[] links = {"https://cdn.discordapp.com/attachments/571157550956019741/800619655366574091/12243585_1694508097447198_1004266710788666891_n.jpg",
+                        "https://cdn.discordapp.com/attachments/571157550956019741/800619703089365002/21077295_1119616784841346_734019202998452151_n.jpg",
+                        "https://cdn.discordapp.com/attachments/571157550956019741/800619727889629264/1521285067403.jpg"};
+        String avatar = links[generator.nextInt(3)];
         
 
         conteudo.put("name", name);
diff --git a/src/main/java/sacip/sti/dataentities/Student.java b/src/main/java/sacip/sti/dataentities/Student.java
index c5c6f1e..d93640d 100644
--- a/src/main/java/sacip/sti/dataentities/Student.java
+++ b/src/main/java/sacip/sti/dataentities/Student.java
@@ -98,7 +98,7 @@ public List<String> getPreferencias() {
         return this.preferencias;
     }
 
-    public String getPreferenciasAsString() {
+    public String buildPreferenciasAsString() {
 
         StringBuilder builder = new StringBuilder();
 
@@ -157,7 +157,7 @@ public String toString() {
             ", genero:'" + genero + "'" +
             ", idade:" + idade + "" +
             ", nivelEducacional:'" + nivelEducacional + "'" +
-            ", preferencias:[" + getPreferenciasAsString() + "]" +
+            ", preferencias:[" + buildPreferenciasAsString() + "]" +
             ", trilha:" + trilha + "" +
             ", exerciciosResolvidos:" + exerciciosResolvidos + "" +
             ", tempoResolucao:" + tempoResolucao + "" +