diff --git a/scripts/upload_combined_image.lua b/scripts/upload_combined_image.lua
index 4e2d57b..635f3ca 100644
--- a/scripts/upload_combined_image.lua
+++ b/scripts/upload_combined_image.lua
@@ -1,7 +1,7 @@
 package.path = package.path .. ';<SCRIPT_PATH>/?.lua';
 ngx.log(ngx.INFO, 'UPLOAD COMBINED IMAGE -> start')
 local upyun_upload = require("upyun_upload")
-ngx.log(ngx.INFO, 'UPLOAD COMBINED IMAGE -> upyun_upload -> ', upyun_upload)
+ngx.log(ngx.INFO, 'UPLOAD COMBINED IMAGE -> upyun_upload loaded')
 
 local file_to_upload = string.match(ngx.var.request_uri, ".*/(.*)")
 ngx.log(ngx.INFO, 'UPLOAD COMBINED IMAGE -> file to upload -> ', file_to_upload)