diff --git a/src/main/java/com/qcloud/cos/http/DefaultCosHttpClient.java b/src/main/java/com/qcloud/cos/http/DefaultCosHttpClient.java
index 2dcc1955..1e54a24b 100644
--- a/src/main/java/com/qcloud/cos/http/DefaultCosHttpClient.java
+++ b/src/main/java/com/qcloud/cos/http/DefaultCosHttpClient.java
@@ -493,7 +493,6 @@ private <X extends CosServiceRequest> void checkResponse(CosHttpRequest<X> reque
                 throw handlerErrorMessage(request, httpRequest, httpResponse);
             } catch (IOException ioe) {
                 String errorMsg = "Unable to execute HTTP request: " + ioe.getMessage();
-                log.error(errorMsg, ioe);
                 CosServiceException cse = new CosServiceException(errorMsg, ioe);
                 throw cse;
             } finally {