diff --git a/npm/darwin/package.json b/npm/darwin/package.json
index f149c72..616a5a2 100644
--- a/npm/darwin/package.json
+++ b/npm/darwin/package.json
@@ -1,6 +1,6 @@
 {
-  "name": "rs-diff-darwin",
-  "version": "0.0.2",
+  "name": "@mtfos/rs-diff-darwin",
+  "version": "0.0.3",
   "description": "Template project for writing node package with napi-rs",
   "repository": "https://git.trj.tw/nodejs/rs-diff.git",
   "license": "MIT",
@@ -9,8 +9,7 @@
   "main": "index.darwin.node",
   "files": ["index.darwin.node"],
   "publishConfig": {
-    "registry": "https://npm.trj.tw",
-    "access": "public"
+    "@mtfos:registry": "https://gitlab.trj.tw/api/v4/projects/4/packages/npm/"
   },
   "os": ["darwin"],
   "cpu": ["x64"]
diff --git a/npm/linux/package.json b/npm/linux/package.json
index 1a7266f..ae09b2a 100644
--- a/npm/linux/package.json
+++ b/npm/linux/package.json
@@ -1,6 +1,6 @@
 {
-  "name": "rs-diff-linux",
-  "version": "0.0.2",
+  "name": "@mtfos/rs-diff-linux",
+  "version": "0.0.3",
   "description": "Template project for writing node package with napi-rs",
   "repository": "https://git.trj.tw/nodejs/rs-diff.git",
   "license": "MIT",
@@ -9,8 +9,7 @@
   "main": "index.linux.node",
   "files": ["index.linux.node"],
   "publishConfig": {
-    "registry": "https://npm.trj.tw",
-    "access": "public"
+    "@mtfos:registry": "https://gitlab.trj.tw/api/v4/projects/4/packages/npm/"
   },
   "os": ["linux"],
   "cpu": ["x64"]
diff --git a/npm/win32/package.json b/npm/win32/package.json
index 4c1051e..5f9f0a7 100644
--- a/npm/win32/package.json
+++ b/npm/win32/package.json
@@ -1,5 +1,5 @@
 {
-  "name": "rs-diff-win32",
+  "name": "@mtfos/rs-diff-win32",
   "version": "0.0.1",
   "description": "Template project for writing node package with napi-rs",
   "repository": "https://git.trj.tw/nodejs/rs-diff.git",
@@ -9,8 +9,7 @@
   "main": "index.win32.node",
   "files": ["index.win32.node"],
   "publishConfig": {
-    "registry": "https://npm.trj.tw",
-    "access": "public"
+    "@mtfos:registry": "https://gitlab.trj.tw/api/v4/projects/4/packages/npm/"
   },
   "os": ["win32"],
   "cpu": ["x64"]
diff --git a/package.json b/package.json
index 85ea57d..2b5918b 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
-  "name": "rs-diff",
-  "version": "0.0.2",
+  "name": "@mtfos/rs-diff",
+  "version": "0.0.3",
   "description": "Template project for writing node package with napi-rs",
   "author": "Jay <jay@trj.tw>",
   "main": "index.js",
@@ -14,8 +14,7 @@
     "node": ">= 8.9"
   },
   "publishConfig": {
-    "registry": "https://npm.trj.tw",
-    "access": "public"
+    "@mtfos:registry": "https://gitlab.trj.tw/api/v4/projects/4/packages/npm/"
   },
   "scripts": {
     "build": "cargo build --release && napi build --platform --release ./index",
@@ -58,7 +57,7 @@
     }
   },
   "optionalDependencies": {
-    "rs-diff-darwin": "^0.0.2",
-    "rs-diff-linux": "^0.0.2"
+    "@mtfos/rs-diff-darwin": "^0.0.3",
+    "@mtfos/rs-diff-linux": "^0.0.3"
   }
 }
diff --git a/scripts/publish.js b/scripts/publish.js
index bc84f9c..df82d0b 100644
--- a/scripts/publish.js
+++ b/scripts/publish.js
@@ -9,7 +9,7 @@ const { version } = require('../package.json')
 
 updatePackageJson(path.join(__dirname, '..', 'package.json'), {
   optionalDependencies: platforms.reduce((acc, cur) => {
-    acc[`rs-diff-${cur}`] = `^${version}`
+    acc[`@mtfos/rs-diff-${cur}`] = `^${version}`
     return acc
   }, {}),
 })
diff --git a/src/lib.rs b/src/lib.rs
index b3c2d02..ffb34a6 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -5,7 +5,7 @@ extern crate napi_derive;
 
 use std::convert::TryInto;
 
-use napi::{CallContext, Env, JsNumber, JsObject, JsString, Module, Result, Task};
+use napi::{CallContext, JsObject, JsString, Module, Result};
 
 mod mdiff;
 
@@ -35,12 +35,12 @@ fn diff_char(ctx: CallContext) -> Result<JsObject> {
     item.set_named_property(
       "count",
       ctx.env.create_int64(it.count.try_into().unwrap()).unwrap(),
-    );
-    item.set_named_property("value", ctx.env.create_string(&it.value).unwrap());
-    item.set_named_property("added", ctx.env.get_boolean(it.added).unwrap());
-    item.set_named_property("removed", ctx.env.get_boolean(it.removed).unwrap());
+    )?;
+    item.set_named_property("value", ctx.env.create_string(&it.value).unwrap())?;
+    item.set_named_property("added", ctx.env.get_boolean(it.added).unwrap())?;
+    item.set_named_property("removed", ctx.env.get_boolean(it.removed).unwrap())?;
 
-    obj.set_index(idx, item);
+    obj.set_index(idx, item)?;
     idx += 1;
   }