diff --git a/src/tsg_send_log.cpp b/src/tsg_send_log.cpp
index e6e0919..689f14b 100644
--- a/src/tsg_send_log.cpp
+++ b/src/tsg_send_log.cpp
@@ -583,7 +583,6 @@ int tsg_send_log(struct tsg_log_instance_t *instance, struct TLD_handle_t *handl
 		TLD_delete(_handle, _instance->id2field[LOG_COMMON_SERVICE].name);
 		TLD_delete(_handle, _instance->id2field[LOG_COMMON_ACTION].name);
 		TLD_delete(_handle, _instance->id2field[LOG_COMMON_SUB_ACTION].name);
-		TLD_delete(_handle, _instance->id2field[LOG_COMMON_ESTABLISH_LATENCY_MS].name);
 
 		FS_operate(g_tsg_para.fs2_handle, g_tsg_para.fs2_field_id[TSG_FS2_LOG], 0, FS_OP_ADD, 1);
 	}