diff --git a/lib/i18n/app_en.arb b/lib/i18n/app_en.arb
index e567df7..e3b7f67 100644
--- a/lib/i18n/app_en.arb
+++ b/lib/i18n/app_en.arb
@@ -9,7 +9,9 @@
   "signInRequired": "Sign in required",
   "signInRiskDetected": "Risk detected, click Next to open a webpage and signin through it to pass security check.",
   "signUp": "Sign Up",
-  "signUpCaption": "Create an account on Solarpass and then get the access of entire Solar Networks!",
+  "signUpCaption": "Create an account on Solarpass and then get the access of entire Solar Network!",
+  "signUpDone": "Sign Up Successfully",
+  "signUpDoneCaption": "Welcome to join Solar Network! Now go to sign in!",
   "signOut": "Sign Out",
   "poweredBy": "Powered by Project Hydrogen",
   "copyright": "Copyright © 2024 Solsynth LLC",
diff --git a/lib/i18n/app_zh.arb b/lib/i18n/app_zh.arb
index baa7b66..a187af6 100644
--- a/lib/i18n/app_zh.arb
+++ b/lib/i18n/app_zh.arb
@@ -9,7 +9,9 @@
   "signInRequired": "请先登录",
   "signInRiskDetected": "检测到风险，点击下一步按钮来打开一个网页，并通过在其上面登录来通过安全检查。",
   "signUp": "注册",
-  "signUpCaption": "在 Solarpass 注册一个账号以获得整个 Solar Networks 的存取权！",
+  "signUpCaption": "在 Solarpass 注册一个账号以获得整个 Solar Network 的存取权！",
+  "signUpDone": "注册成功",
+  "signUpDoneCaption": "欢迎您加入 Solar Network！现在去登陆吧～",
   "signOut": "登出",
   "poweredBy": "由 Project Hydrogen 强力驱动",
   "copyright": "2024 Solsynth LLC © 版权所有",
@@ -96,4 +98,4 @@
   "chatMessageEditNotify": "你正在编辑信息中……",
   "chatMessageReplyNotify": "你正在回复消息中……",
   "chatMessageDeleteConfirm": "你确定要删除这条消息吗？这条消息将永远的从所有人的视图中消失，并且不会有本地消息记录保存！"
-}
\ No newline at end of file
+}
diff --git a/lib/screens/auth/signup.dart b/lib/screens/auth/signup.dart
index b8197e8..cf08d4d 100644
--- a/lib/screens/auth/signup.dart
+++ b/lib/screens/auth/signup.dart
@@ -1,8 +1,12 @@
+import 'dart:convert';
+
 import 'package:flutter/material.dart';
-import 'package:provider/provider.dart';
-import 'package:solian/providers/auth.dart';
 import 'package:flutter_gen/gen_l10n/app_localizations.dart';
+import 'package:solian/router.dart';
+import 'package:solian/utils/service_url.dart';
+import 'package:solian/widgets/exts.dart';
 import 'package:solian/widgets/indent_wrapper.dart';
+import 'package:http/http.dart' as http;
 
 class SignUpScreen extends StatelessWidget {
   final _emailController = TextEditingController();
@@ -10,11 +14,11 @@ class SignUpScreen extends StatelessWidget {
   final _nicknameController = TextEditingController();
   final _passwordController = TextEditingController();
 
+  final http.Client _client = http.Client();
+
   SignUpScreen({super.key});
 
-  void performSignIn(BuildContext context) {
-    final auth = context.read<AuthProvider>();
-
+  void performSignIn(BuildContext context) async {
     final email = _emailController.value.text;
     final username = _usernameController.value.text;
     final nickname = _passwordController.value.text;
@@ -23,6 +27,43 @@ class SignUpScreen extends StatelessWidget {
         username.isEmpty ||
         nickname.isEmpty ||
         password.isEmpty) return;
+
+    final uri = getRequestUri('passport', '/api/users');
+    final res = await _client.post(
+      uri,
+      headers: {
+        'Content-Type': 'application/json',
+      },
+      body: jsonEncode({
+        'name': username,
+        'nick': nickname,
+        'email': email,
+        'password': password,
+      }),
+    );
+
+    if (res.statusCode == 200) {
+      showDialog(
+        context: context,
+        builder: (context) {
+          return AlertDialog(
+            title: Text(AppLocalizations.of(context)!.signUpDone),
+            content: Text(AppLocalizations.of(context)!.signUpDoneCaption),
+            actions: [
+              TextButton(
+                child: Text(AppLocalizations.of(context)!.confirmOkay),
+                onPressed: () => Navigator.pop(context),
+              ),
+            ],
+          );
+        },
+      ).then((_) {
+        router.replaceNamed('auth.sign-in');
+      });
+    } else {
+      var message = utf8.decode(res.bodyBytes);
+      context.showErrorDialog(message);
+    }
   }
 
   @override