diff --git a/framework/src/test/java/org/tron/keystroe/CredentialsTest.java b/framework/src/test/java/org/tron/keystroe/CredentialsTest.java
index 2642129e00a..a9061a47aeb 100644
--- a/framework/src/test/java/org/tron/keystroe/CredentialsTest.java
+++ b/framework/src/test/java/org/tron/keystroe/CredentialsTest.java
@@ -30,4 +30,4 @@ public void test_equality() {
     Credentials aCredential3 = Credentials.create(si3);
     Assert.assertFalse(aCredential.equals(aCredential3));
   }
-}
+}
\ No newline at end of file