diff --git a/conf/alchemy/admin.conf b/conf/alchemy/admin.conf
index 823978c..9d8be2c 100644
--- a/conf/alchemy/admin.conf
+++ b/conf/alchemy/admin.conf
@@ -18,7 +18,6 @@ server {
     set $upyun_password "NyJ51zRwFApY9Wo9EHJMrb8GI9YtvpVN";
     set $upyun_bucket "alchemy";
     set $upyun_directory "music-room";
-    set $upyun_cdn "https://upyun.alchemy-studio.cn/";
     set $upyun_domain "https://upyun.alchemy-studio.cn";
     set $wx_domain "wx.alchemy-studio.cn";
     set $upt_secret "0D32E581A445404FA4C306709724FA07";
diff --git a/conf/local_linux/admin.conf b/conf/local_linux/admin.conf
index fa5eab6..5a9beda 100644
--- a/conf/local_linux/admin.conf
+++ b/conf/local_linux/admin.conf
@@ -14,7 +14,6 @@ server {
     set $upyun_password "NyJ51zRwFApY9Wo9EHJMrb8GI9YtvpVN";
     set $upyun_bucket "moicen";
     set $upyun_directory "music-room";
-    set $upyun_cdn "https://upyun.dev.moicen.com/";
     set $upyun_domain "https://upyun.alchemy-studio.cn";
     set $wx_domain "dev.wx.moicen.com";
     set $upt_secret "0D32E581A445404FA4C306709724FA07";
diff --git a/conf/local_macos/admin.conf b/conf/local_macos/admin.conf
index 6cefb91..4f6e2cb 100644
--- a/conf/local_macos/admin.conf
+++ b/conf/local_macos/admin.conf
@@ -14,7 +14,6 @@ server {
     set $upyun_password "NyJ51zRwFApY9Wo9EHJMrb8GI9YtvpVN";
     set $upyun_bucket "moicen";
     set $upyun_directory "music-room";
-    set $upyun_cdn "https://upyun.dev.moicen.com/";
     set $upyun_domain "https://upyun.alchemy-studio.cn";
     set $wx_domain "dev.wx.moicen.com";
     set $upt_secret "0D32E581A445404FA4C306709724FA07";
diff --git a/scripts/lib/upyun_download.lua b/scripts/lib/upyun_download.lua
index b8e6986..3160c9d 100644
--- a/scripts/lib/upyun_download.lua
+++ b/scripts/lib/upyun_download.lua
@@ -4,7 +4,7 @@ package.path = package.path .. ';<SCRIPT_PATH>/?.lua';
 
 local _M = {}
 
-function _M.upyun_download(httpc, Upt, pl, uri)
+function _M.upyun_download(httpc, cjson, Upt, pl, uri)
 
     ngx.log(ngx.INFO, "UPYUN DOWNLOAD : URI -> " .. uri)
 
@@ -22,6 +22,30 @@ function _M.upyun_download(httpc, Upt, pl, uri)
                 method = "GET",
             })
 
+    ngx.log(ngx.INFO, "RESP -> ", pl.write(resp))
+    if no_exception == true then
+        if 200 ~= resp.status then
+            ngx.log(ngx.ERR, "UPYUN DOWNLOAD *FAILED*", pl.write(resp_err))
+            ngx.status = resp.status
+            ngx.say(pl.write(resp_err))
+            ngx.exit(resp.status)
+        else
+            ngx.log(ngx.ERR, "RESP IS OK -> ", pl.write(resp.body))
+            -- return cjson.decode(resp.body).d
+        end
+    else
+        if resp == nil then
+            resp = ""
+        end
+        ngx.log(ngx.ERR, "FAILED TO CONNECT TO *UPYUN*: httpc throws runtime error, please check log. / ", pl.write(resp))
+        -- 必须先设置ngx.status，否则ngx.say之后就直接被设置为200了，不会再被exit设为401
+        -- https://github.com/openresty/lua-resty-redis/issues/15
+        ngx.status = 401
+        ngx.say(cjson.encode({r = false, d = "UpyunDownloadErr"}))
+        ngx.exit(401)
+    end
+
+
     -- TODO: send resp.body to Flask API (ai-api) -> convert_mxml_to_xml() -> XML string
     -- local xml = ai-api.convert_mxml_to_xml(resp.body)
     -- ngx.log(xml)
diff --git a/scripts/lib/upyun_upload.lua b/scripts/lib/upyun_upload.lua
index 3ded055..405f31b 100644
--- a/scripts/lib/upyun_upload.lua
+++ b/scripts/lib/upyun_upload.lua
@@ -35,7 +35,7 @@ function upyun_upload.upload(filepath, filename)
         return
     else
         ngx.status = 200
-        local fullpath = ngx.var.upyun_cdn .. directory .. "/" .. filename
+        local fullpath = ngx.var.$upyun_domain .. "/" .. directory .. "/" .. filename
         ngx.log(ngx.INFO, "UPYUN URL -> ", fullpath)
         ngx.say(fullpath)
     end
diff --git a/scripts/upyun_download.lua b/scripts/upyun_download.lua
index 6b6c3a4..af7e8f2 100644
--- a/scripts/upyun_download.lua
+++ b/scripts/upyun_download.lua
@@ -5,6 +5,7 @@ package.path = package.path .. ';<SCRIPT_PATH>/?.lua';
 
 local pl = require "pl.pretty"
 local http = require 'resty.http'
+local cjson = require "cjson"
 local yun_download = require("lib.upyun_download")
 local Upt = require("lib.upt")
 
@@ -16,7 +17,7 @@ local function upyun_download_file()
 
     local uri = ngx.unescape_uri(ngx.var.arg_uri)
     ngx.log(ngx.INFO, "REQUEST UPYUN DOWNLOAD : URI -> " .. uri)
-    yun_download.upyun_download(httpc, Upt, pl, uri)
+    yun_download.upyun_download(httpc, cjson, Upt, pl, uri)
 
 end