diff --git a/kona-ssl/src/test/java/com/tencent/kona/ssl/tlcp/SSLEngineTest.java b/kona-ssl/src/test/java/com/tencent/kona/ssl/tlcp/SSLEngineTest.java
index 3db490ce..7a4c4caa 100644
--- a/kona-ssl/src/test/java/com/tencent/kona/ssl/tlcp/SSLEngineTest.java
+++ b/kona-ssl/src/test/java/com/tencent/kona/ssl/tlcp/SSLEngineTest.java
@@ -104,6 +104,7 @@ protected SSLEngineTest() throws Exception {
 
     @BeforeAll
     public static void setup() {
+//        System.setProperty("com.tencent.kona.ssl.debug", "all");
         TestUtils.addProviders();
     }