diff --git a/src/main/java/com/aliyun/tea/okhttp/OkHttpClientBuilder.java b/src/main/java/com/aliyun/tea/okhttp/OkHttpClientBuilder.java
index 83a6a6e..a363b17 100644
--- a/src/main/java/com/aliyun/tea/okhttp/OkHttpClientBuilder.java
+++ b/src/main/java/com/aliyun/tea/okhttp/OkHttpClientBuilder.java
@@ -120,8 +120,7 @@ public OkHttpClientBuilder certificate(Map<String, Object> map) {
                 sslContext.init(keyManagerFactory != null ? keyManagerFactory.getKeyManagers() : null
                         , trustManagerFactory.getTrustManagers()
                         , new SecureRandom());
-                this.builder.sslSocketFactory(sslContext.getSocketFactory(), trustManager).
-                        hostnameVerifier(new TrueHostnameVerifier());
+                this.builder.sslSocketFactory(sslContext.getSocketFactory(), trustManager);
             }
             return this;
         } catch (Exception e) {
diff --git a/src/test/java/com/aliyun/tea/okhttp/OkHttpClientBuilderTest.java b/src/test/java/com/aliyun/tea/okhttp/OkHttpClientBuilderTest.java
index 4f83a09..7d403fe 100644
--- a/src/test/java/com/aliyun/tea/okhttp/OkHttpClientBuilderTest.java
+++ b/src/test/java/com/aliyun/tea/okhttp/OkHttpClientBuilderTest.java
@@ -103,7 +103,7 @@ public void certificateTest() throws IOException {
         OkHttpClientBuilder builder = new OkHttpClientBuilder().certificate(map);
 
         OkHttpClient client = builder.buildOkHttpClient();
-        Assert.assertTrue(client.hostnameVerifier() instanceof TrueHostnameVerifier);
+        Assert.assertFalse(client.hostnameVerifier() instanceof TrueHostnameVerifier);
         Assert.assertNotNull(client.sslSocketFactory());
 
         map.put("key", null);