diff --git a/package.json b/package.json
index 3c6c3e1535d340db6cfc069e96af21dca687662c..96e6202a5269625f33a282f60b4e5a295c2256a7 100644
--- a/package.json
+++ b/package.json
@@ -30,7 +30,7 @@
     "ts-node": "ts-node",
     "test": "npm run clean && npm run lint && npm run test:unit:retry && npm run test:shell && npm run sloc",
     "test:linux": "npm run pretest && parallel ts-node -- ./src/**/*.spec.ts ./tests/**/*.spec.ts && npm run posttest",
-    "test:pack": "npm run dist && export TMPDIR=/tmp/wechaty.$$ && npm pack && mkdir $TMPDIR && mv wechaty-*.*.*.tgz $TMPDIR && cp tests/fixtures/smoke-testing.js $TMPDIR && cd $TMPDIR && npm init -y && npm i wechaty-*.*.*.tgz && (for i in {1..3}; do node smoke-testing.js && break || sleep 1; done)",
+    "test:pack": "bash -x scripts/npm-pack-testing.sh",
     "test:shell": "shellcheck bin/*.sh",
     "test:unit": "blue-tape -r ts-node/register \"src/**/*.spec.ts\" \"src/*.spec.ts\" \"tests/*.spec.ts\" \"tests/**/*.spec.ts\"",
     "test:unit:retry": "ts-node scripts/retry-unit-tests",
diff --git a/scripts/npm-pack-testing.sh b/scripts/npm-pack-testing.sh
new file mode 100755
index 0000000000000000000000000000000000000000..f247be4c9858453d5c2636b60dfb5f3303e25058
--- /dev/null
+++ b/scripts/npm-pack-testing.sh
@@ -0,0 +1,27 @@
+#!/usr/bin/env bash
+set -e
+
+npm run dist
+npm pack
+
+TMPDIR="/tmp/npm-pack-testing.$$"
+mkdir "$TMPDIR"
+mv *-*.*.*.tgz "$TMPDIR"
+cp tests/fixtures/smoke-testing.ts "$TMPDIR"
+
+cd $TMPDIR
+npm init -y
+npm install *-*.*.*.tgz \
+  rxjs \
+  brolog \
+  typescript@latest
+
+./node_modules/.bin/tsc \
+  --lib esnext,dom \
+  --noEmitOnError \
+  --noImplicitAny \
+  --skipLibCheck \
+  smoke-testing.ts
+
+node smoke-testing.js
+# (for i in {1..3}; do node smoke-testing.js && break || sleep 1; done)
diff --git a/tests/fixtures/smoke-testing.js b/tests/fixtures/smoke-testing.ts
similarity index 90%
rename from tests/fixtures/smoke-testing.js
rename to tests/fixtures/smoke-testing.ts
index 3f42aca091b220fa8fa52cab0c5aecb4a5758272..5ad9880b2d3f3d83230f255b052ef503227bc0f7 100644
--- a/tests/fixtures/smoke-testing.js
+++ b/tests/fixtures/smoke-testing.ts
@@ -1,6 +1,6 @@
 #!/usr/bin/env node
 
-const { Wechaty } = require('wechaty')
+import { Wechaty } from 'wechaty'
 
 async function main() {
   const bot = Wechaty.instance()