diff --git a/audio_convert.lua b/audio_convert.lua
index b5d848d..1fda2ca 100644
--- a/audio_convert.lua
+++ b/audio_convert.lua
@@ -1,49 +1,106 @@
 local cjson = require "cjson"
 local http = require "resty.http"
+local uuid      = require "resty.jit-uuid"
 
 local TaskTypes = {
     NOOP = 'NOOP',
     AUDIO_CONVERT = "AUDIO_CONVERT"
 }
 
-local task_server = ngx.var.task_server
-local htyuc = ngx.var.htyuc
-local host = ngx.var.host
-
-ngx.log(ngx.INFO, "TASK_SERVER -> ", task_server)
-ngx.log(ngx.INFO, "HTYUC -> ", htyuc)
-ngx.log(ngx.INFO, "HOST -> ", host)
-
-ngx.log(ngx.INFO, "URL -> ", ngx.var.uri)
-
-local sudoerToken = ngx.req.get_headers().HtySudoerToken
-local htyhostHeader = ngx.req.get_headers().HtyHostHeader
-
 local httpc = http.new()
+local media_id = ngx.req.get_uri_args().media_id
 
-local remote_url = string.format("%s/api/v1/uc/wx/get_access_token", htyuc)
-ngx.log(ngx.INFO, 'remote_url -> ', remote_url)
-ngx.log(ngx.INFO, 'HtyHostHeader -> ', htyhostHeader)
-ngx.log(ngx.INFO, 'HtySudoerToken -> ', sudoerToken)
+local function get_access_token()
 
-local res, err = httpc:request_uri(
-        remote_url,
-        {
-            method = "GET",
-            headers = {
-                ["HtyHostHeader"] = htyhostHeader,
-                ["HtySudoerToken"] = sudoerToken,
-            },
-            body = body_text,
-        }
-)
-if res == nil then
-    ngx.log(ngx.ERR, "FAILED TO CONNECT TO *HTYUC*", err)
+    local htyuc = ngx.var.htyuc
+    local host = ngx.var.host
+
+    ngx.log(ngx.INFO, "HTYUC -> ", htyuc)
+    ngx.log(ngx.INFO, "HOST -> ", host)
+
+    ngx.log(ngx.INFO, "URL -> ", ngx.var.uri)
+
+    local sudoerToken = ngx.req.get_headers().HtySudoerToken
+    local htyhostHeader = ngx.req.get_headers().HtyHost
+
+
+    local remote_url = string.format("%s/api/v1/uc/wx/get_access_token", "https://test-music-room.moicen.com")
+    ngx.log(ngx.INFO, 'remote_url -> ', remote_url)
+    ngx.log(ngx.INFO, 'HtyHostHeader -> ', htyhostHeader)
+    ngx.log(ngx.INFO, 'HtySudoerToken -> ', sudoerToken)
+
+    local res, err = httpc:request_uri(
+            remote_url,
+            {
+                ssl_verify = ssl_verify or false, -- 设置参数 ssl_verify 为false 不校验ssl证书
+                method = "GET",
+                headers = {
+                    ["HtyHost"] = htyhostHeader,
+                    ["HtySudoerToken"] = sudoerToken,
+                },
+                body = body_text,
+            }
+    )
+    if res == nil then
+        ngx.log(ngx.ERR, "FAILED TO CONNECT TO *HTYUC*", err)
+    end
+
+    if 200 ~= res.status then
+        ngx.log(ngx.ERR, "GET ACCESS TOKEN *FAILED*", err)
+        ngx.say(err)
+        ngx.exit(res.status)
+    end
+    ngx.log(ngx.ERR, res.body)
+    return cjson.decode(res.body).d
 end
 
-if 201 ~= res.status then
-    ngx.log(ngx.ERR, "GET ACCESS TOKEN *FAILED*", err)
-    ngx.say(err)
-    ngx.exit(res.status)
+
+local function get_wx_media()
+    local access_token = get_access_token()
+    print("access token: " .. access_token)
+    local wx_media_url = string.format("https://api.weixin.qq.com/cgi-bin/media/get?access_token=%s&media_id=%s", access_token, media_id)
+    print("wx_media_url: " .. wx_media_url)
+    local res, err = httpc:request_uri(wx_media_url, {
+        method = 'GET',
+        ssl_verify = ssl_verify or false, -- 设置参数 ssl_verify 为false 不校验ssl证书
+    })
+
+    if res == nil then
+        ngx.log(ngx.ERR, "FAILED TO CONNECT TO *Weixin*", err)
+        ngx.say(err)
+        ngx.exit(500)
+    end
+
+    if 200 ~= res.status then
+        ngx.log(ngx.ERR, 'GET WECHET MEDIA *FAILED*', err)
+        ngx.say(err)
+        ngx.exit(res.status)
+    end
+
+    local filename = ngx.re.match(res.headers['Content-disposition'], [[filename="(\w+\.(amr|speex))"]], "jo")[1]
+    local file_dir = ngx.var.tmp_file_dir
+    local saved_audio = file_dir .. "/" .. filename;
+    print('saved audio file...' .. saved_audio);
+    local file, err = io.open(saved_audio, 'w')
+    if file == nil then
+        print("Can not open file..." .. err)
+    else
+        file:write(res.body)
+        file:close()
+    end
+
+    ngx.say(res.body)
 end
-ngx.say(res.body)
\ No newline at end of file
+
+local function convert()
+    get_wx_media()
+
+
+    local task_server = ngx.var.task_server
+    ngx.log(ngx.INFO, "TASK_SERVER -> ", task_server)
+
+    -- todo: convert file
+
+end
+
+convert()
\ No newline at end of file