diff --git a/test_upyun_upload.lua b/test_upyun_upload.lua
index 60d9c7b..ca3da86 100644
--- a/test_upyun_upload.lua
+++ b/test_upyun_upload.lua
@@ -1,19 +1,27 @@
 local yun = require("upyun")
 
-local config = {
-    user = "moicen", --授权操作员名称
-    passwd = "NyJ51zRwFApY9Wo9EHJMrb8GI9YtvpVN", --操作员密码
-    localFilePath = "/Users/liyong/Code/Lua/resty_functions/test_files_dir/r2d2.jpeg"
-}
+local function upyun_upload_file()
 
-local upyun = yun:new(config)
+    local config = {
+        user = "moicen", --授权操作员名称
+        passwd = "NyJ51zRwFApY9Wo9EHJMrb8GI9YtvpVN", --操作员密码
+        localFilePath = "/Users/liyong/Code/Lua/resty_functions/test_files_dir/r2d2.jpeg"
+    }
 
-local savePath = "huiwing/test/r2d2.jpeg"
-local gmkerl = nil
-local options = nil
+    local upyun = yun:new(config)
+
+    local savePath = "huiwing/test/r2d2.jpeg"
+    local gmkerl = nil
+    local options = nil
+
+    local info, err = upyun:upload_file(savePath, gmkerl, options)
+    if not info then
+        ngx.say("failed to upload image file : " .. err)
+        return
+    else
+        ngx.say(info)
+    end
 
-local info, err = upyun:upload_file(savePath, gmkerl, options)
-if not info then
-    ngx.say("failed to upload image file : " .. err)
-    return
 end
+
+upyun_upload_file()
\ No newline at end of file
diff --git a/upyun.lua b/upyun.lua
index ef58ee3..081cb77 100644
--- a/upyun.lua
+++ b/upyun.lua
@@ -271,7 +271,7 @@ local function _request(sock, method, path, headers, body, extra)
     if not sock then
         return nil, "not initialized yet"
     else
-        print("Connect host : ", host)
+        print("Upyun module request connect host : ", host)
     end
 
     sock:settimeout(5000)
@@ -282,10 +282,10 @@ local function _request(sock, method, path, headers, body, extra)
     end
 
     -- Build and send request header
-    print("Debug header method : ", method)
-    print("Debug header path : ", path)
-    print("Debug header headers : ", headers)
-    print("Debug header extra : ", extra)
+    print("Debug upyun module request header method : ", method)
+    print("Debug upyun module request header path : ", path)
+    print("Debug upyun module request header headers : ", headers)
+    print("Debug upyun module request header extra : ", extra)
 
     local header = _req_header(method, path, headers, extra)
     local bytes, err = sock:send(header)
@@ -520,7 +520,7 @@ function _M.new(self, config)
     local passwd = config.passwd
     local endpoint = config.endpoint and tonumber(config.endpoint) + 1 or 1
     local author = config.author and lower(config.author) or nil
-    local localFilePath = config.localFilePath;
+    local localFilePath = config.localFilePath or nil -- add config para for upload file directly
 
     if not user or type(user) ~= "string" or user == "" then
         return nil, "invalid user"
@@ -544,11 +544,18 @@ function _M.new(self, config)
     end
 
     -- file to be uploaded is stored in the request body
-    --read_body()
-    --local content = get_body_data()
-    --local file = ngx.req.get_body_file()
-    local file = localFilePath;
-    local content = nil;
+    print("Upyun module new config para local file path : ", localFilePath)
+    local file = nil
+    local content = nil
+    if localFilePath == nil then
+        read_body()
+        content = get_body_data()
+        file = ngx.req.get_body_file()
+    else
+        file = localFilePath;
+    end
+
+    print("Upyun module new config file : ", file)
     if file then
         local f, err = io.open(file, "r")
         if not f then
@@ -559,9 +566,9 @@ function _M.new(self, config)
         f:close()
     end
 
-    if not content then
-        return nil, "request body is expected"
-    end
+    --if not content then
+    --    return nil, "request body is expected"
+    --end
 
     --TODO ngx.updatetime?
     local date = http_time(time_sec())
@@ -629,17 +636,21 @@ function _M.upload_file(self, path, gmkerl, option)
     if not ret then
         return nil, err
     end
+    print("Upyun module upload file request ret : ", ret)
 
+    print("Upyun module upload file parse response headers : ", ret)
     ret, err = _parse_upyun_headers(ret.headers, [[^x-upyun-([\w-]+)$]])
     if not ret then
         return nil, err
     end
+    print("Upyun module upload file parse response headers ret : ", ret)
 
     -- write the original author back as header.Authorization
     -- may be changed in the _upyun_request()
     headers.Authorization = author
     headers["Content-Length"] = "0"
 
+    print("Upyun module upload file ret : ", ret)
     return ret
 end