diff --git a/detach/package.json b/detach/package.json
index 0bcd6fc..de70349 100644
--- a/detach/package.json
+++ b/detach/package.json
@@ -3,7 +3,7 @@
   "version": "0.1.0",
   "private": true,
   "scripts": {
-    "serve": "vue-cli-service serve",
+    "serve": "vue-cli-service serve --port 8082",
     "build": "vue-cli-service build",
     "lint": "vue-cli-service lint"
   },
diff --git a/feature/package.json b/feature/package.json
index a451d27..427c702 100644
--- a/feature/package.json
+++ b/feature/package.json
@@ -3,7 +3,7 @@
   "version": "0.1.0",
   "private": true,
   "scripts": {
-    "serve": "vue-cli-service serve",
+    "serve": "vue-cli-service serve --port 8081",
     "build": "vue-cli-service build",
     "lint": "vue-cli-service lint"
   },
diff --git a/tpl/package.json b/tpl/package.json
index 442aa17..d58a6bd 100644
--- a/tpl/package.json
+++ b/tpl/package.json
@@ -3,7 +3,7 @@
   "version": "0.1.0",
   "private": true,
   "scripts": {
-    "serve": "vue-cli-service serve",
+    "serve": "vue-cli-service serve --port 8083",
     "build": "vue-cli-service build",
     "lint": "vue-cli-service lint"
   },