diff --git a/src/service/dss_service.c b/src/service/dss_service.c
index ee806e8049b221da11a125d50981c46387aed861..0da7dc8853f84d312ad199b4367b944bd7cdc1b3 100644
--- a/src/service/dss_service.c
+++ b/src/service/dss_service.c
@@ -1374,7 +1374,7 @@ static dss_cmd_hdl_t g_dss_cmd_handle[DSS_CMD_TYPE_OFFSET(DSS_CMD_END)] = {
         CM_TRUE},
     // query
     [DSS_CMD_TYPE_OFFSET(DSS_CMD_HANDSHAKE)] = {DSS_CMD_HANDSHAKE, dss_process_handshake, NULL, CM_FALSE},
-    [DSS_CMD_TYPE_OFFSET(DSS_CMD_EXIST)] = {DSS_CMD_EXIST, dss_process_exist, NULL, CM_FALSE},
+    [DSS_CMD_TYPE_OFFSET(DSS_CMD_EXIST)] = {DSS_CMD_EXIST, dss_process_exist, NULL, CM_TRUE},
     [DSS_CMD_TYPE_OFFSET(DSS_CMD_READLINK)] = {DSS_CMD_READLINK, dss_process_readlink, NULL, CM_FALSE},
     [DSS_CMD_TYPE_OFFSET(DSS_CMD_GET_FTID_BY_PATH)] = {DSS_CMD_GET_FTID_BY_PATH, dss_process_get_ftid_by_path, NULL,
         CM_TRUE},