diff --git a/scripts/combine.lua b/scripts/combine.lua
index 9a052e1..0122f7d 100644
--- a/scripts/combine.lua
+++ b/scripts/combine.lua
@@ -37,8 +37,9 @@ end
 
 for i = 1, len do
     ngx.log(ngx.INFO, "COMBINE FILE -> ", data[i])
-    origin[i] = file_dir .. "/" .. data[i] .. ".png "
-    local cmd = convert .. " -resize 1280x " .. data[i] .. " " .. origin[i]
+    incoming = file_dir .. "/" .. data[i]
+    origin[i] = incoming .. ".png "
+    local cmd = convert .. " -resize 1280x " .. incoming .. " " .. origin[i]
     ngx.log(ngx.INFO, 'CMD RESIZE -> ', cmd)
     local handle = io.popen(cmd)
     local result = handle:read("*a")