diff --git a/src/App.vue b/src/App.vue
index 5ce18dc..38d7364 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -1,24 +1,38 @@
 <template>
     <div :class="{ 'dark-mode': isDarkMode }">
         <router-view />
+        <FSDialog ref="fsDialog" />
     </div>
 </template>
 
 <script>
-import { provide } from 'vue';
+import { provide, ref, onMounted } from 'vue';
 import { useTheme } from './utils/toggleThemes';
+import FSDialog from './components/FSDialog.vue';
+import { registerDialog } from './utils/dialogManager';
 
 export default {
     name: 'App',
+    components: {
+        FSDialog
+    },
     setup() {
         const { isDarkMode, toggleTheme } = useTheme();
+        const fsDialog = ref(null);
 
         provide('isDarkMode', isDarkMode);
         provide('toggleTheme', toggleTheme);
 
+        onMounted(() => {
+            if (fsDialog.value) {
+                registerDialog(fsDialog.value);
+            }
+        });
+
         return {
             isDarkMode,
-            toggleTheme
+            toggleTheme,
+            fsDialog
         };
     }
 };
diff --git a/src/api/index.js b/src/api/index.js
index 1d07dcb..4d7e1cb 100644
--- a/src/api/index.js
+++ b/src/api/index.js
@@ -36,6 +36,7 @@ export const systemApi = {
     getStatus: () => api.get('/system/getStatus'),
     getSoftwareInfo: () => api.get('/system/getSoftwareInfo'),
     getSystemInfo: () => api.get('/system/info'),
+    selfCheck: () => api.get('/system/selfCheck'),
     getSettings: (key) => {
         const url = key ? `/system/settings/get?key=${key}` : '/system/settings/get';
         return api.get(url);
diff --git a/src/components/FSDialog.vue b/src/components/FSDialog.vue
new file mode 100644
index 0000000..cf7d089
--- /dev/null
+++ b/src/components/FSDialog.vue
@@ -0,0 +1,178 @@
+<template>
+    <teleport to="body">
+        <transition name="fs-dialog-fade">
+            <div v-if="visible" class="fs-dialog-overlay">
+                <div class="fs-dialog">
+                    <div class="fs-dialog-header">
+                        <h2>{{ title }}</h2>
+                    </div>
+                    <div class="fs-dialog-body">
+                        <p>{{ content }}</p>
+                    </div>
+                    <div class="fs-dialog-footer">
+                        <button v-if="type === 1" @click="handleYes" class="fs-btn fs-btn-yes">
+                            Yes
+                        </button>
+                        <button v-if="type === 1" @click="handleNo" class="fs-btn fs-btn-no">
+                            No
+                        </button>
+                        <button v-else @click="handleConfirm" class="fs-btn fs-btn-confirm">
+                            Confirm
+                        </button>
+                    </div>
+                </div>
+            </div>
+        </transition>
+    </teleport>
+</template>
+
+<script>
+export default {
+    name: 'FSDialog',
+    data() {
+        return {
+            visible: false,
+            type: 0,
+            title: '',
+            content: '',
+            resolve: null
+        };
+    },
+    methods: {
+        show(type, title, content) {
+            this.type = type;
+            this.title = title;
+            this.content = content;
+            this.visible = true;
+            document.body.style.overflow = 'hidden';
+            return new Promise((resolve) => {
+                this.resolve = resolve;
+            });
+        },
+        handleYes() {
+            this.close();
+            if (this.resolve) {
+                this.resolve(1);
+            }
+        },
+        handleNo() {
+            this.close();
+            if (this.resolve) {
+                this.resolve(0);
+            }
+        },
+        handleConfirm() {
+            this.close();
+            if (this.resolve) {
+                this.resolve(0);
+            }
+        },
+        close() {
+            this.visible = false;
+            document.body.style.overflow = '';
+        }
+    }
+};
+</script>
+
+<style scoped>
+.fs-dialog-overlay {
+    position: fixed;
+    top: 0;
+    left: 0;
+    right: 0;
+    bottom: 0;
+    background: rgba(0, 0, 0, 0.5);
+    backdrop-filter: blur(4px);
+    display: flex;
+    justify-content: center;
+    align-items: center;
+    z-index: 1000;
+}
+
+.fs-dialog {
+    background: var(--card-bg, #ffffff);
+    border-radius: 12px;
+    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
+    width: 90%;
+    max-width: 600px;
+    padding: 32px;
+    color: var(--text-color, #333333);
+}
+
+.fs-dialog-header {
+    margin-bottom: 24px;
+}
+
+.fs-dialog-header h2 {
+    font-size: 24px;
+    font-weight: 600;
+    margin: 0;
+    color: var(--text-color, #333333);
+}
+
+.fs-dialog-body {
+    margin-bottom: 32px;
+}
+
+.fs-dialog-body p {
+    font-size: 16px;
+    line-height: 1.6;
+    color: var(--text-secondary, #666666);
+    white-space: pre-wrap;
+    word-break: break-word;
+}
+
+.fs-dialog-footer {
+    display: flex;
+    justify-content: flex-end;
+    gap: 12px;
+}
+
+.fs-btn {
+    padding: 10px 24px;
+    border: none;
+    border-radius: 8px;
+    font-size: 16px;
+    font-weight: 500;
+    cursor: pointer;
+    transition: all 0.2s;
+}
+
+.fs-btn-yes {
+    background-color: var(--primary-color, #1890ff);
+    color: white;
+}
+
+.fs-btn-yes:hover {
+    background-color: var(--primary-hover, #40a9ff);
+}
+
+.fs-btn-no {
+    background-color: var(--surface-light, #f5f5f5);
+    color: var(--text-color, #333333);
+}
+
+.fs-btn-no:hover {
+    background-color: var(--border-color, #d9d9d9);
+}
+
+.fs-btn-confirm {
+    background-color: var(--primary-color, #1890ff);
+    color: white;
+}
+
+.fs-btn-confirm:hover {
+    background-color: var(--primary-hover, #40a9ff);
+}
+
+.fs-dialog-fade-enter-active,
+.fs-dialog-fade-leave-active {
+    transition: opacity 0.3s;
+}
+
+.fs-dialog-fade-enter-from,
+.fs-dialog-fade-leave-to {
+    opacity: 0;
+}
+</style>
diff --git a/src/utils/dialogManager.js b/src/utils/dialogManager.js
new file mode 100644
index 0000000..dba8b4f
--- /dev/null
+++ b/src/utils/dialogManager.js
@@ -0,0 +1,13 @@
+let dialogInstance = null;
+
+export function registerDialog(instance) {
+    dialogInstance = instance;
+}
+
+export function showFSDialog(type, title, content) {
+    if (!dialogInstance) {
+        console.error('FSDialog not registered');
+        return Promise.resolve(0);
+    }
+    return dialogInstance.show(type, title, content);
+}
diff --git a/src/views/Home.vue b/src/views/Home.vue
index 22dffe0..66e2d94 100644
--- a/src/views/Home.vue
+++ b/src/views/Home.vue
@@ -9,9 +9,12 @@
 </template>
 
 <script>
-import { ref } from 'vue';
+import { ref, onMounted } from 'vue';
+import { useRouter } from 'vue-router';
 import TopBar from '../components/TopBar.vue';
 import SideBar from '../components/SideBar.vue';
+import { showFSDialog } from '../utils/dialogManager.js';
+import { showNotification } from '../utils/functions.js';
 
 export default {
     name: 'Home',
@@ -20,12 +23,41 @@ export default {
         SideBar
     },
     setup() {
+        const router = useRouter();
         const searchQuery = ref('');
 
         const handleSearch = (query) => {
             searchQuery.value = query;
         };
 
+        onMounted(async () => {
+            const showWelcomeDialog = sessionStorage.getItem('showWelcomeDialog');
+            const showSelfCheckError = sessionStorage.getItem('showSelfCheckError');
+            const selfCheckErrorMessage = sessionStorage.getItem('selfCheckErrorMessage');
+
+            sessionStorage.removeItem('showWelcomeDialog');
+            sessionStorage.removeItem('showSelfCheckError');
+            sessionStorage.removeItem('selfCheckErrorMessage');
+
+            if (showWelcomeDialog === 'true') {
+                await showFSDialog(
+                    0,
+                    'Welcome to Super-frpc!',
+                    'Seems you just set this system up, now please finish some basic settings to make this system usable and reliable.'
+                );
+                router.push('/settings');
+                return;
+            }
+
+            if (showSelfCheckError === 'true') {
+                showNotification(
+                    `System self-check failed: ${selfCheckErrorMessage || 'Unknown error'}`,
+                    'error'
+                );
+                router.push('/settings');
+            }
+        });
+
         return {
             searchQuery,
             handleSearch
diff --git a/src/views/InstanceDetail.vue b/src/views/InstanceDetail.vue
index f89d78f..23776e8 100644
--- a/src/views/InstanceDetail.vue
+++ b/src/views/InstanceDetail.vue
@@ -603,20 +603,28 @@ export default {
         const handleProxySubmit = async () => {
             loading.value = true;
             try {
-                const proxyInfo = {
-                    oldName: isEditProxy.value ? originalProxyName.value : undefined,
-                    newName: formData.value.name,
-                    type: formData.value.type,
-                    localIP: formData.value.localIP,
-                    localPort: formData.value.localPort,
-                    remotePort: formData.value.remotePort
-                };
-                
+                let proxyInfo;
                 let result;
+                
                 if (isEditProxy.value) {
+                    proxyInfo = {
+                        oldName: originalProxyName.value,
+                        newName: formData.value.name,
+                        type: formData.value.type,
+                        localIP: formData.value.localIP,
+                        localPort: formData.value.localPort,
+                        remotePort: formData.value.remotePort
+                    };
                     result = await instanceApi.modifyProxy(instanceID.value, proxyInfo);
                     showNotification(result.message || 'Proxy updated successfully', 'success');
                 } else {
+                    proxyInfo = {
+                        name: formData.value.name,
+                        type: formData.value.type,
+                        localIP: formData.value.localIP,
+                        localPort: formData.value.localPort,
+                        remotePort: formData.value.remotePort
+                    };
                     result = await instanceApi.createProxy(instanceID.value, proxyInfo);
                     showNotification(result.message || 'Proxy created successfully', 'success');
                 }
diff --git a/src/views/Login.vue b/src/views/Login.vue
index 23ee843..188d0be 100644
--- a/src/views/Login.vue
+++ b/src/views/Login.vue
@@ -56,7 +56,7 @@
 <script>
 import { ref } from 'vue';
 import { useRouter } from 'vue-router';
-import { authApi } from '../api/index.js';
+import { authApi, systemApi } from '../api/index.js';
 import { showNotification, setCookie } from '../utils/functions.js';
 
 export default {
@@ -96,13 +96,13 @@ export default {
                         formData.value.username,
                         formData.value.passwd
                     );
-                    handleLoginSuccess(loginResult);
+                    await handleLoginSuccess(loginResult, true);
                 } else {
                     const result = await authApi.login(
                         formData.value.username,
                         formData.value.passwd
                     );
-                    handleLoginSuccess(result);
+                    await handleLoginSuccess(result, false);
                 }
             } catch (error) {
                 showNotification(error.message || 'Login failed', 'error');
@@ -111,12 +111,28 @@ export default {
             }
         };
 
-        const handleLoginSuccess = (result) => {
+        const handleLoginSuccess = async (result, isJustRegistered) => {
             setCookie('token', result.data.token);
             setCookie('user-id', result.data.userID);
             setCookie('username', result.data.username);
             setCookie('user-type', result.data.type);
             showNotification('Login successful', 'success');
+
+            if (isJustRegistered && result.data.type === 'superuser') {
+                sessionStorage.setItem('showWelcomeDialog', 'true');
+            }
+
+            try {
+                const selfCheckResult = await systemApi.selfCheck();
+                if (!selfCheckResult.success || selfCheckResult.error) {
+                    sessionStorage.setItem('showSelfCheckError', 'true');
+                    sessionStorage.setItem('selfCheckErrorMessage', selfCheckResult.message || selfCheckResult.error || 'Unknown error');
+                }
+            } catch (error) {
+                sessionStorage.setItem('showSelfCheckError', 'true');
+                sessionStorage.setItem('selfCheckErrorMessage', error.message || 'Unknown error');
+            }
+
             router.push('/');
         };