diff --git a/scripts/lib/upyun.lua b/scripts/lib/upyun.lua
index 744badb..9647e84 100644
--- a/scripts/lib/upyun.lua
+++ b/scripts/lib/upyun.lua
@@ -411,6 +411,7 @@ local function _parse_upyun_option(option, extra, content)
 
     if omd5 == "true" then
         extra["Content-MD5"] = md5(content)
+        ngx.log(ngx.INFO, "Content-MD5" .. extra["Content-MD5"])
     end
 
     if type(secret) == "string" then
diff --git a/scripts/lib/upyun_upload.lua b/scripts/lib/upyun_upload.lua
index be806ea..d489f93 100644
--- a/scripts/lib/upyun_upload.lua
+++ b/scripts/lib/upyun_upload.lua
@@ -44,8 +44,8 @@ function upyun_upload.upload(filepath, filename, retry)
 
         local info, err = upyun:upload_file(savePath, nil, options)
         if not info then
-
             local error_table = json.decode(err)
+            ngx.log(ngx.INFO, "Upyun Upload File Error: " .. err)
             ngx.log(ngx.ERR, '[' .. error_table["code"] .. ']')
 
             if (error_table["code"] == 40000006)
@@ -57,7 +57,6 @@ function upyun_upload.upload(filepath, filename, retry)
                 ngx.status = 400
                 ngx.log(ngx.ERR, "failed to upload file : " .. '[' .. err .. ']')
             end
-
         else
             ngx.status = 200
             local fullpath = ngx.var.upyun_domain .. "/" .. directory .. "/" .. filename