fix sloc directorys

package.json

@@ -23,7 +23,7 @@
     "eslint": "eslint \"{bin,example,src,test}/**/*.js\"",
     "tslint": "tslint \"{bin,example,src,test}/**/*.ts\" && tsc --noEmit",
     "pretest": "npm run lint && npm run clean && npm run build",
-    "sloc": "sloc . --details --format cli-table --keys total,source,comment --exclude \"\\.\\.[\\/]|dist[\\/]|doc[\\/]|node_modules[\\/]\" && sloc ./ --exclude \"\\.\\.[\\/]|dist[\\/]|doc[\\/]|node_modules[\\/]\"",
+    "sloc": "sloc {bin,example,script,src,test,index.ts} --details --format cli-table --keys total,source,comment && sloc {bin,example,script,src,test,index.ts}",
     "test": "npm run test:chrome",
     "posttest": "npm run clean && npm run sloc",
     "test:phantomjs": "cross-env LC_ALL=C WECHATY_LOG=info WECHATY_HEAD=phantomjs ava --timeout=10m \"dist/test/*.spec.js\"",