diff --git a/scripts/combine.lua b/scripts/combine.lua
index 5746294..8f5f636 100644
--- a/scripts/combine.lua
+++ b/scripts/combine.lua
@@ -49,7 +49,7 @@ ngx.say(combined_uuid)
 --
 --     ngx.log(ngx.INFO, "Upload combined image " .. combined .. " to upyun .")
 --
---     upyun_upload.upload(combined)
+--     upyun_upload.upload(combined, nil)
 -- else
 --     ngx.status = 500
 --     ngx.log(ngx.ERR, "IMAGE COMBINE *FAILED*")
diff --git a/scripts/convert_audio.lua b/scripts/convert_audio.lua
index 954004f..8098ec0 100644
--- a/scripts/convert_audio.lua
+++ b/scripts/convert_audio.lua
@@ -27,7 +27,7 @@ local function convert()
     local result, _, code = os.execute(cmd)
     if result and code == 0 then
         ngx.log(ngx.INFO, "result -> ", result);
-        upyun_upload.upload(converted_audio_file)
+        upyun_upload.upload(converted_audio_file, nil);
     else
         ngx.status = 500
         ngx.log(ngx.ERR, "AUDIO CONVERT *FAILED*")
diff --git a/scripts/upload_combined_image.lua b/scripts/upload_combined_image.lua
index 635f3ca..0b7c2f6 100644
--- a/scripts/upload_combined_image.lua
+++ b/scripts/upload_combined_image.lua
@@ -11,4 +11,4 @@ local fullpath = file_dir .. "/" .. file_to_upload .. ".jpeg";
 
 ngx.log(ngx.INFO, 'UPLOAD COMBINED IMAGE -> fullpath -> ', fullpath)
 
-upyun_upload.upload(fullpath)
\ No newline at end of file
+upyun_upload.upload(fullpath, nil)
\ No newline at end of file
diff --git a/scripts/upyun_upload.lua b/scripts/upyun_upload.lua
index 7255074..3ded055 100644
--- a/scripts/upyun_upload.lua
+++ b/scripts/upyun_upload.lua
@@ -7,7 +7,7 @@ local upyun_upload = {}
 local strip_path = require("strip_path")
 local Upyun = require('upyun')
 
-function upyun_upload.upload(filepath)
+function upyun_upload.upload(filepath, filename)
     local upyun, err = Upyun:new({
         user = ngx.var.upyun_operator,
         passwd = ngx.var.upyun_password,
@@ -22,7 +22,9 @@ function upyun_upload.upload(filepath)
 
     local bucket = ngx.var.upyun_bucket
     local directory = ngx.var.upyun_directory
-    local filename = strip_path.strip_path(filepath)
+    if not filename then
+        filename = strip_path.strip_path(filepath)
+    end
 
     local savePath = bucket .. "/" .. directory .. "/" .. filename
 
diff --git a/scripts/wx_download.lua b/scripts/wx_download.lua
index 733394b..c71b1fe 100644
--- a/scripts/wx_download.lua
+++ b/scripts/wx_download.lua
@@ -1,7 +1,6 @@
 local cjson = require "cjson"
 local http = require "resty.http"
 local pl = require "pl.pretty"
-
 local httpc = http.new()
 local sudoerToken = ngx.req.get_headers().HtySudoerToken
 local htyhostHeader = ngx.req.get_headers().HtyHost
@@ -75,7 +74,7 @@ local function get_wx_media(media_id)
         ngx.exit(res.status)
     end
 
-    local filename = ngx.re.match(res.headers['Content-disposition'], [[filename="(.+\.([a-zA-Z0-9)+)"]], "jo")[1]
+    local filename = ngx.re.match(res.headers['Content-disposition'], [[filename="(.+\.([a-zA-Z0-9])+)"]], "jo")[1]
     local file_dir = ngx.var.tmp_file_dir
     local saved_file = file_dir .. "/" .. filename;
     print('saved file...' .. saved_file);
diff --git a/scripts/wx_upload_single.lua b/scripts/wx_upload_single.lua
index c051f8b..8a5ae3e 100644
--- a/scripts/wx_upload_single.lua
+++ b/scripts/wx_upload_single.lua
@@ -3,6 +3,7 @@
 package.path = package.path .. ';<SCRIPT_PATH>/?.lua';
 
 local cjson = require "cjson"
+local uuid = require "resty.jit-uuid"
 local upyun_upload = require("upyun_upload")
 local get_wx_media = require("wx_download")
 
@@ -20,7 +21,7 @@ local function run()
 
     local downloaded_file = get_wx_media(req_body["media_id"]);
 
-    upyun_upload.upload(downloaded_file)
+    upyun_upload.upload(downloaded_file, uuid.generate_v4() .. ".jpg")
 end
 
 run();