diff --git a/inc/tsg_send_log.h b/inc/tsg_send_log.h
index a609503..711f45b 100644
--- a/inc/tsg_send_log.h
+++ b/inc/tsg_send_log.h
@@ -18,6 +18,7 @@ typedef enum _tld_type
 	TLD_TYPE_STRING,
 	TLD_TYPE_FILE,
 	TLD_TYPE_TOPIC,
+	TLD_TYPE_CJSON, // cJSON *object
 	TLD_TYPE_MAX
 }TLD_TYPE;
 
diff --git a/src/tsg_send_log.cpp b/src/tsg_send_log.cpp
index d62854b..9f03e05 100644
--- a/src/tsg_send_log.cpp
+++ b/src/tsg_send_log.cpp
@@ -19,7 +19,7 @@
 #include "tsg_send_log.h"
 #include "tsg_send_log_internal.h"
 
-char TSG_SEND_LOG_VERSION_20200724=0;
+char TSG_SEND_LOG_VERSION_20200729=0;
 struct tsg_log_instance_t *g_tsg_log_instance;
 
 
@@ -113,6 +113,9 @@ int TLD_append(struct TLD_handle_t *handle, char *key, void *value, TLD_TYPE typ
 		case	TLD_TYPE_STRING:
 			cJSON_AddStringToObject(_handle->object, key, (char *)value);
 			break;
+		case	TLD_TYPE_CJSON:
+			cJSON_AddItemToObject(_handle->object, key, (cJSON *)value);
+			break;
 		default:
 			return -1;
 			break;