diff --git a/.travis.yml b/.travis.yml
index e478a3da9..6c91a9331 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,4 +4,4 @@ deploy:
   provider: heroku
   api-key: 
     secure: $HEROKU_API_KEY
-  app: devteste
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+  app: javatteixeira47
\ No newline at end of file
diff --git a/src/main/java/com/example/Fibonacci.java b/src/main/java/com/example/Fibonacci.java
index 96dbb4b8f..cd925519e 100644
--- a/src/main/java/com/example/Fibonacci.java
+++ b/src/main/java/com/example/Fibonacci.java
@@ -5,11 +5,11 @@ public class Fibonacci{
     public Fibonacci(){
 
     }
-    public static long fibo(int n) {
-        if (n < 2) {
-            return n;
+    public static double fibo(int n) {
+        if (n >= 0) {
+            return Math.pow(2,n);
         } else {
-            return fibo(n - 1) + fibo(n - 2);
+            return -1;
         }
     }
 }
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diff --git a/src/main/java/com/example/Main.java b/src/main/java/com/example/Main.java
index bc9d9de2c..0613db3f2 100644
--- a/src/main/java/com/example/Main.java
+++ b/src/main/java/com/example/Main.java
@@ -46,7 +46,7 @@ String index() {
 
   @RequestMapping("/fibo")
   String fibo(Map<String, Object> model) {
-     ArrayList<Long> sequencia = new ArrayList<Long>();
+     ArrayList<Double> sequencia = new ArrayList<Double>();
      for (int i = 0; i < 30; i++) {
        sequencia.add(f.fibo(i));
      }
diff --git a/src/main/resources/templates/fibo.html b/src/main/resources/templates/fibo.html
index c2ef2170e..2224acab6 100644
--- a/src/main/resources/templates/fibo.html
+++ b/src/main/resources/templates/fibo.html
@@ -5,7 +5,7 @@
 
 
 <div class="container">
-  <h1>Os 30 primeiros números de fibonacci são</h1>
+  <h1>Os 30 primeiros números binários são</h1>
   <ul th:each="num : ${sequencia}">
     <li th:text="${num}"/>
   </ul>
diff --git a/src/main/resources/templates/index.html b/src/main/resources/templates/index.html
index 38af68707..8ff928e1d 100644
--- a/src/main/resources/templates/index.html
+++ b/src/main/resources/templates/index.html
@@ -9,13 +9,13 @@
       <img src="/lang-logo.png">
     </a>
     <h1>DevOps</h1>
-    <p>Este é um pequeno exemplo de de implementação</p>
+    <p>tteixeira47</p>
     
-  </div>
+  </div> 
 </div>
 <div class="container">
   <div class="alert alert-info text-center" role="alert">
-    Atenção! Siga as instruções abaixo para realizar o exercício.
+    Trabalho de Engenharia de Software
   </div>
   <hr>
   <div class="row">
diff --git a/src/test/java/TesteFibo.java b/src/test/java/TesteFibo.java
index df9d604df..3623076e5 100644
--- a/src/test/java/TesteFibo.java
+++ b/src/test/java/TesteFibo.java
@@ -7,26 +7,26 @@ public class TesteFibo {
     @Test
     public void Teste1() {
         Fibonacci f = new Fibonacci();
-        assertEquals(1L, f.fibo(1));
+        assertEquals(2D, f.fibo(1), 0.01);
     }
     @Test
     public void Teste2() {
         Fibonacci f = new Fibonacci();
-        assertEquals(2L, f.fibo(3));
+        assertEquals(8D, f.fibo(3), 0.01);
     }
     @Test
     public void Teste3() {
         Fibonacci f = new Fibonacci();
-        assertEquals(34L, f.fibo(9));
+        assertEquals(512D, f.fibo(9), 0.01);
     }
     @Test
     public void Teste4() {
         Fibonacci f = new Fibonacci();
-        assertEquals(233L, f.fibo(13));
+        assertEquals(4D, f.fibo(2), 0.01);
     }
     @Test
     public void Teste5() {
         Fibonacci f = new Fibonacci();
-        assertEquals(514229L, f.fibo(29));
+        assertEquals(16D, f.fibo(4), 0.01);
     }
 }
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