diff --git a/scripts/convert_audio.lua b/scripts/convert_audio.lua
index 5cae4ad..82ead00 100644
--- a/scripts/convert_audio.lua
+++ b/scripts/convert_audio.lua
@@ -22,15 +22,14 @@ local function get_access_token()
     local htyuc = ngx.var.htyuc
     local host = ngx.var.host
 
+    ngx.log(ngx.INFO, "Request URL -> ", ngx.var.uri)
     ngx.log(ngx.INFO, "HTYUC -> ", htyuc)
-    ngx.log(ngx.INFO, "HOST -> ", host)
-    ngx.log(ngx.INFO, "URL -> ", ngx.var.uri)
-
+    ngx.log(ngx.INFO, "Host -> ", host)
+    ngx.log(ngx.INFO, 'HtyHostHeader -> ', htyhostHeader)
+    ngx.log(ngx.INFO, 'HtySudoerToken -> ', sudoerToken)
 
     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 res, err = httpc:request_uri(
             remote_url,
@@ -43,6 +42,7 @@ local function get_access_token()
                 }
             }
     )
+
     if res == nil then
         ngx.log(ngx.ERR, "FAILED TO CONNECT TO *HTYUC*", err)
     end
@@ -51,9 +51,10 @@ local function get_access_token()
         ngx.log(ngx.ERR, "GET ACCESS TOKEN *FAILED*", err)
         ngx.say(err)
         ngx.exit(res.status)
+    else
+        ngx.log(ngx.ERR, res.body)
+        return cjson.decode(res.body).d
     end
-    ngx.log(ngx.ERR, res.body)
-    return cjson.decode(res.body).d
 end
 
 local function get_wx_media(media_id)