roll back (#37)

diff --git a/.gitignore b/.gitignore
index 2f4a13d..ead8367 100644
--- a/.gitignore
+++ b/.gitignore
@@ -16,4 +16,4 @@
 yarn.lock*
 
 # release
-release/
+release/
\ No newline at end of file
diff --git a/licenses/LICENSES-fetch.txt b/dist/licenses/LICENSES-fetch.txt
similarity index 100%
rename from licenses/LICENSES-fetch.txt
rename to dist/licenses/LICENSES-fetch.txt
diff --git a/licenses/LICENSES-js-base64.txt b/dist/licenses/LICENSES-js-base64.txt
similarity index 100%
rename from licenses/LICENSES-js-base64.txt
rename to dist/licenses/LICENSES-js-base64.txt
diff --git a/package.json b/package.json
index 6702c52..2bc0e68 100644
--- a/package.json
+++ b/package.json
@@ -48,7 +48,7 @@
     "README.md",
     "index.js",
     "lib/",
-    "licenses"
+    "dist/licenses"
   ],
   "keywords": [
     "skywalking",