diff --git a/cache/src/cache_evbase_client.cpp b/cache/src/cache_evbase_client.cpp
index bf849e2..e7835ef 100644
--- a/cache/src/cache_evbase_client.cpp
+++ b/cache/src/cache_evbase_client.cpp
@@ -473,7 +473,7 @@ int cache_evbase_upload_once_evbuf(struct cache_evbase_instance *instance, struc
 	buffer->ctx_asyn = ctx_asyn;
 	buffer->cmd_type = CACHE_ASYN_UPLOAD_ONCE_EVBUF;	
 	buffer->evbuf = evbuffer_new();
-	evbuffer_add_buffer_reference(buffer->evbuf, evbuf);
+	evbuffer_add_buffer(buffer->evbuf, evbuf);
 
 	if(iothread_notify_event(instance->notify_sendfd, &buffer, sizeof(void *), 2) != sizeof(void *))
 	{
diff --git a/plugin/business/pangu-http/src/pangu_logger.cpp b/plugin/business/pangu-http/src/pangu_logger.cpp
index e02493a..56d0b17 100644
--- a/plugin/business/pangu-http/src/pangu_logger.cpp
+++ b/plugin/business/pangu-http/src/pangu_logger.cpp
@@ -245,6 +245,12 @@ int pangu_send_log(struct pangu_logger* handle, const struct pangu_log* log_msg)
 		}
 	}
 
+	char log_file_upload_req_path[TFE_STRING_MAX]={0}, cont_type_whole[TFE_STRING_MAX]={0};
+	char log_file_upload_resp_path[TFE_STRING_MAX]={0};
+	memset(log_file_upload_req_path, 0, sizeof(log_file_upload_req_path));
+	memset(log_file_upload_resp_path, 0, sizeof(log_file_upload_resp_path));
+	memset(cont_type_whole, 0, sizeof(cont_type_whole));
+
 	for(size_t i=0; i<log_msg->result_num; i++)
 	{
 		if(log_msg->result[i].do_log!=1)
@@ -252,65 +258,75 @@ int pangu_send_log(struct pangu_logger* handle, const struct pangu_log* log_msg)
 			continue;
 		}
 
-		char log_file_upload_path[TFE_STRING_MAX]={0}, cont_type_whole[TFE_STRING_MAX]={0};
 		struct tango_cache_meta_put meta;
 		char* log_file_key=NULL;;
 		const char* cont_type_val;
 		if(log_msg->req_body!=NULL)
 		{
-			memset(&meta, 0, sizeof(meta));
-			asprintf(&log_file_key, "%s.reqbody", http->req->req_spec.url);
-			meta.url=log_file_key;
-			cont_type_val=tfe_http_std_field_read(http->req, TFE_HTTP_CONT_TYPE);
-			if(cont_type_val!=NULL)
+			if(log_file_upload_req_path[0] != '\0')
 			{
-				snprintf(cont_type_whole, sizeof(cont_type_whole), "Content-Type:%s", cont_type_val);
-				meta.std_hdr[0]=cont_type_whole;
-			}
-			meta.user_log_name=1;
-			tmp=cache_evbase_upload_once_evbuf(handle->log_file_upload_instance, NULL,
-															log_msg->req_body,
-															&meta,
-															log_file_upload_path, sizeof(log_file_upload_path));
-			if(tmp==0)
-			{
-				cJSON_AddStringToObject(common_obj, "http_request_body", log_file_upload_path);
+				cJSON_AddStringToObject(common_obj, "http_request_body", log_file_upload_req_path);
 			}
 			else
 			{
-				TFE_LOG_ERROR(handle->local_logger, "Upload req_body failed.");
+				memset(&meta, 0, sizeof(meta));
+				asprintf(&log_file_key, "%s.reqbody", http->req->req_spec.url);
+				meta.url=log_file_key;
+				cont_type_val=tfe_http_std_field_read(http->req, TFE_HTTP_CONT_TYPE);
+				if(cont_type_val!=NULL)
+				{
+					snprintf(cont_type_whole, sizeof(cont_type_whole), "Content-Type:%s", cont_type_val);
+					meta.std_hdr[0]=cont_type_whole;
+				}
+				meta.user_log_name=1;
+				tmp=cache_evbase_upload_once_evbuf(handle->log_file_upload_instance, NULL,
+																log_msg->req_body,
+																&meta,
+																log_file_upload_req_path, sizeof(log_file_upload_req_path));
+				if(tmp==0)
+				{
+					cJSON_AddStringToObject(common_obj, "http_request_body", log_file_upload_req_path);
+				}
+				else
+				{
+					TFE_LOG_ERROR(handle->local_logger, "Upload req_body failed.");
+				}
+				free(log_file_key);
 			}
-			free(log_file_key);
 		}
 		if(log_msg->resp_body!=NULL)
 		{
-			memset(log_file_upload_path, 0, sizeof(log_file_upload_path));
-			memset(cont_type_whole, 0, sizeof(cont_type_whole));
-
-			memset(&meta, 0, sizeof(meta));
-			asprintf(&log_file_key, "%s.respbody", http->req->req_spec.url);
-			meta.url=log_file_key;
-			cont_type_val=tfe_http_std_field_read(http->resp, TFE_HTTP_CONT_TYPE);
-			if(cont_type_val!=NULL)
+			if(log_file_upload_resp_path[0] != '\0')
 			{
-				snprintf(cont_type_whole, sizeof(cont_type_whole), "Content-Type:%s", cont_type_val);
-				meta.std_hdr[0]=cont_type_whole;
-			}
-			meta.user_log_name=1;
-			tmp=cache_evbase_upload_once_evbuf(handle->log_file_upload_instance, NULL,
-															log_msg->resp_body,
-															&meta,
-															log_file_upload_path, sizeof(log_file_upload_path));
-
-			if(tmp==0)
-			{
-				cJSON_AddStringToObject(common_obj, "http_response_body", log_file_upload_path);
+				cJSON_AddStringToObject(common_obj, "http_response_body", log_file_upload_resp_path);
 			}
 			else
 			{
-				TFE_LOG_ERROR(handle->local_logger, "Upload resp_body failed.");
+				memset(&meta, 0, sizeof(meta));
+				asprintf(&log_file_key, "%s.respbody", http->req->req_spec.url);
+				meta.url=log_file_key;
+				cont_type_val=tfe_http_std_field_read(http->resp, TFE_HTTP_CONT_TYPE);
+				if(cont_type_val!=NULL)
+				{
+					snprintf(cont_type_whole, sizeof(cont_type_whole), "Content-Type:%s", cont_type_val);
+					meta.std_hdr[0]=cont_type_whole;
+				}
+				meta.user_log_name=1;
+				tmp=cache_evbase_upload_once_evbuf(handle->log_file_upload_instance, NULL,
+																log_msg->resp_body,
+																&meta,
+																log_file_upload_resp_path, sizeof(log_file_upload_resp_path));
+
+				if(tmp==0)
+				{
+					cJSON_AddStringToObject(common_obj, "http_response_body", log_file_upload_resp_path);
+				}
+				else
+				{
+					TFE_LOG_ERROR(handle->local_logger, "Upload resp_body failed.");
+				}
+				free(log_file_key);
 			}
-			free(log_file_key);
 		}
 	}