diff --git a/lib/api/changeVersion.js b/lib/api/changeVersion.js
index 77124d8..882a1f6 100644
--- a/lib/api/changeVersion.js
+++ b/lib/api/changeVersion.js
@@ -8,8 +8,6 @@ module.exports = async (argv) => {
   const isEvolutionInstalled = verifyEvolutionInstallation();
   if (!isEvolutionInstalled) return;
 
-
-
   console.log(`🔃 Reverting to Evolution-Api v${v}...`);
   await revertToVersion(v);
   console.log(`🔃 Reverted to Evolution-Api v${v} successfully`);
diff --git a/lib/postinstall.js b/lib/postinstall.js
new file mode 100644
index 0000000..89b866d
--- /dev/null
+++ b/lib/postinstall.js
@@ -0,0 +1,7 @@
+const build = require('./utils/build');
+
+async function main() {
+  await build({ VITE_BASE_URL: '/manager/' });
+}
+
+main();
\ No newline at end of file
diff --git a/package.json b/package.json
index f81e02c..e1cdb80 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "evolution-manager",
   "description": "Evolution Manager is an open-source interface for managing the Evolution API, simplifying the creation and administration of API instances with advanced features and diverse integrations.",
-  "version": "0.3.12",
+  "version": "0.4.0",
   "main": "dist",
   "engines": {
     "node": ">=16.0.0"
@@ -10,7 +10,8 @@
     "dev": "vite",
     "build": "vite build",
     "preview": "vite preview",
-    "lint": "eslint . --fix --ignore-path .gitignore"
+    "lint": "eslint . --fix --ignore-path .gitignore",
+    "prepare": "node ./lib/postinstall.js"
   },
   "directories": {
     "bin": "./bin"
diff --git a/src/components/modal/Settings.vue b/src/components/modal/Settings.vue
index ad3fa9d..b389e04 100644
--- a/src/components/modal/Settings.vue
+++ b/src/components/modal/Settings.vue
@@ -141,6 +141,8 @@
 import { useAppStore } from "@/store/app";
 import AboutModal from "./About.vue";
 import ShareConnection from "./ShareConnection.vue";
+const BASE_URL = import.meta.env.BASE_URL;
+
 export default {
   components: { AboutModal, ShareConnection },
   name: "SettingsModal",
@@ -149,7 +151,7 @@ export default {
     valid: false,
     revelPassword: false,
     connection: {
-      host: "",
+      host: BASE_URL ? window.location.origin : "",
       globalApiKey: "",
     },
     loading: false,
@@ -161,7 +163,6 @@ export default {
     share() {
       const connection = Object.assign({}, this.AppStore.connection);
       this.$refs.share.open(connection);
-        
     },
     logout() {
       this.AppStore.logout();
@@ -192,6 +193,8 @@ export default {
     open() {
       this.dialog = true;
       this.connection = Object.assign({}, this.AppStore.connection);
+      if (!this.connection.host && BASE_URL.startsWith("/manager"))
+        this.connection.host = window.location.origin;
     },
   },
   watch: {
diff --git a/src/layouts/default/AppBar.vue b/src/layouts/default/AppBar.vue
index 3906150..8d9e2c3 100644
--- a/src/layouts/default/AppBar.vue
+++ b/src/layouts/default/AppBar.vue
@@ -77,9 +77,14 @@ export default {
     },
   },
   async mounted() {
-    const urlConnection = await this.loadConnectionFromUrl();
-    if (!urlConnection) await this.AppStore.loadConnection();
-    if (!this.AppStore.validConnection) this.openSettings();
+    try {
+      const urlConnection = await this.loadConnectionFromUrl();
+      if (!urlConnection) await this.AppStore.loadConnection();
+    } catch (e) {
+      console.error(e);
+    } finally {
+      if (!this.AppStore.validConnection) this.openSettings();
+    }
   },
 };
 </script>