--- a/Aliyun/Log/requestcore.class.php
+++ b/Aliyun/Log/requestcore.class.php
@@ -832,7 +832,7 @@

 		if ($this->response === false)
 		{
-			throw new RequestCore_Exception('cURL resource: ' . (string) $curl_handle . '; cURL error: ' . curl_error($curl_handle) . ' (' . curl_errno($curl_handle) . ')');
+			throw new RequestCore_Exception('cURL error: ' . curl_error($curl_handle) . ' (' . curl_errno($curl_handle) . ')');
 		}

 		$parsed_response = $this->process_response($curl_handle, $this->response);
@@ -905,7 +905,7 @@
 				// Since curl_errno() isn't reliable for handles that were in multirequests, we check the 'result' of the info read, which contains the curl error number, (listed here http://curl.haxx.se/libcurl/c/libcurl-errors.html )
 				if ($done['result'] > 0)
 				{
-					throw new RequestCore_Exception('cURL resource: ' . (string) $done['handle'] . '; cURL error: ' . curl_error($done['handle']) . ' (' . $done['result'] . ')');
+					throw new RequestCore_Exception('cURL error: ' . curl_error($done['handle']) . ' (' . $done['result'] . ')');
 				}

 				// Because curl_multi_info_read() might return more than one message about a request, we check to see if this request is already in our array of completed requests