diff --git a/scripts/combine.lua b/scripts/combine.lua
index 7706de4..231da59 100644
--- a/scripts/combine.lua
+++ b/scripts/combine.lua
@@ -8,6 +8,7 @@ local cjson = require "cjson"
 local pl = require "pl.pretty"
 local http = require "resty.http"
 local verify = require('lib.jwt_verify')
+local get_wx_media = require("lib.wx_download")
 
 -- Verify token
 local httpc = http:new()