use system uuid

scripts/form_upload_to_combine.lua

@@ -3,7 +3,7 @@
 package.path = package.path .. ';<SCRIPT_PATH>/?.lua';
 
 local upload = require "resty.upload"
-local uuid = require "resty.jit-uuid"
+local uuid = require "lib.my_uuid"
 local http = require "resty.http"
 local cjson = require "cjson"
 local verify = require('lib.jwt_verify')