diff --git a/lib/sprite.js b/lib/sprite.js
index 1b2369b..2be8397 100644
--- a/lib/sprite.js
+++ b/lib/sprite.js
@@ -100,13 +100,13 @@ module.exports = function (options) {
           return callback(null)
         }
 
-        var index = opt.slicePath.lastIndexOf('/')
+        // var index = opt.slicePath.lastIndexOf('/')
 
-        if (index === -1) {
-          opt.spriteOut = 'sprite/'
-        } else {
-          opt.spriteOut = opt.slicePath.substring(0, index + 1) + 'sprite/'
-        }
+        // if (index === -1) {
+        //   opt.spriteOut = 'sprite/'
+        // } else {
+        //   opt.spriteOut = opt.slicePath.substring(0, index + 1) + 'sprite/'
+        // }
 
         async.eachSeries(codelines, function (backgroundCodeLine, eachCb) {