diff --git a/dashboard/src/views/authentication/auth/LoginPage.vue b/dashboard/src/views/authentication/auth/LoginPage.vue
index b659eae27..2ed47d1a7 100644
--- a/dashboard/src/views/authentication/auth/LoginPage.vue
+++ b/dashboard/src/views/authentication/auth/LoginPage.vue
@@ -1,30 +1,80 @@
 <script setup lang="ts">
 import AuthLogin from "../authForms/AuthLogin.vue";
+import DailyQuote from "@/components/shared/DailyQuote.vue";
+import DiamondBg from "@/components/auth/DiamondBg.vue";
 import LanguageSwitcher from "@/components/shared/LanguageSwitcher.vue";
-import { onMounted, ref } from "vue";
+import { onMounted, ref, computed } from "vue";
 import { useAuthStore } from "@/stores/auth";
 import { useApiStore } from "@/stores/api";
 import { useRouter } from "vue-router";
 import { useCustomizerStore } from "@/stores/customizer";
-import { useModuleI18n } from "@/i18n/composables";
 import { useTheme } from "vuetify";
 
+const vuetifyTheme = useTheme();
+const isDark = computed(() => vuetifyTheme.global.name.value === 'BlueBusinessDarkTheme');
+import { useI18n, useModuleI18n } from "@/i18n/composables";
+import { useToast } from "@/utils/toast";
+import { getApiBaseUrlValidationError } from "@/utils/request";
+
 const cardVisible = ref(false);
 const router = useRouter();
 const authStore = useAuthStore();
 const apiStore = useApiStore();
 const customizer = useCustomizerStore();
+const { locale } = useI18n();
 const { tm: t } = useModuleI18n("features/auth");
-const theme = useTheme();
+const toast = useToast();
 
 const serverConfigDialog = ref(false);
 const apiUrl = ref(apiStore.apiBaseUrl);
 
+// URL parameter handling for shareable config
+function applyUrlParams() {
+  const params = new URLSearchParams(window.location.search);
+  const apiUrlParam = params.get("api_url");
+  const usernameParam = params.get("username");
+  if (apiUrlParam) {
+    apiUrl.value = apiUrlParam;
+    const validationError = getApiBaseUrlValidationError(apiUrlParam);
+    if (!validationError) {
+      apiStore.setApiBaseUrl(apiUrlParam);
+    }
+  }
+  if (usernameParam) {
+    window.dispatchEvent(
+      new CustomEvent("astrbot-url-param-username", {
+        detail: { username: usernameParam },
+      }),
+    );
+  }
+}
+
+function getShareableUrl() {
+  const url = new URL(window.location.href);
+  url.searchParams.set("api_url", apiUrl.value);
+  return url.toString();
+}
+
+async function copyShareableUrl() {
+  try {
+    await navigator.clipboard.writeText(getShareableUrl());
+    toast.success(t("linkCopied"));
+  } catch {
+    toast.error(t("linkCopyFailed"));
+  }
+}
+
 const showAddPreset = ref(false);
 const newPresetName = ref("");
 const newPresetUrl = ref("");
 
 function saveApiUrl() {
+  const validationError = getApiBaseUrlValidationError(apiUrl.value);
+  if (validationError) {
+    toast.error(validationError);
+    return;
+  }
+
   apiStore.setApiBaseUrl(apiUrl.value);
   serverConfigDialog.value = false;
   window.location.reload();
@@ -47,15 +97,13 @@ function isCustomPreset(name: string) {
 
 // 主题切换函数
 function toggleTheme() {
-  const newTheme =
-    customizer.uiTheme === "PurpleThemeDark"
-      ? "PurpleTheme"
-      : "PurpleThemeDark";
-  customizer.SET_UI_THEME(newTheme);
-  theme.global.name.value = newTheme;
+  customizer.TOGGLE_DARK_MODE();
 }
 
 onMounted(() => {
+  // 应用URL参数（用于分享预设配置）
+  applyUrlParams();
+
   // 检查用户是否已登录，如果已登录则重定向
   if (authStore.has_token()) {
     router.push(authStore.returnUrl || "/");
@@ -71,8 +119,9 @@ onMounted(() => {
 
 <template>
   <div class="login-page-container">
+    <DiamondBg v-if="isDark" />
     <v-card class="login-card" elevation="1">
-      <v-card-title>
+      <v-card-title :key="locale">
         <div class="d-flex justify-space-between align-center w-100">
           <img
             width="80"
@@ -88,24 +137,17 @@ onMounted(() => {
                 height: 24px !important;
                 opacity: 0.9 !important;
                 align-self: center !important;
-                border-color: rgba(180, 148, 246, 0.8) !important;
+                border-color: rgba(var(--v-theme-primary), 0.45) !important;
               "
-            ></v-divider>
+            />
 
             <v-btn
-              @click="serverConfigDialog = true"
               icon
               variant="text"
               size="small"
+              @click="serverConfigDialog = true"
             >
-              <v-icon
-                size="18"
-                :color="
-                  useCustomizerStore().uiTheme === 'PurpleTheme'
-                    ? '#5e35b1'
-                    : '#d7c5fa'
-                "
-              >
+              <v-icon size="18" :color="'rgb(var(--v-theme-primary))'">
                 mdi-server
               </v-icon>
               <v-tooltip activator="parent" location="top">
@@ -114,31 +156,34 @@ onMounted(() => {
             </v-btn>
 
             <v-btn
-              @click="toggleTheme"
               class="theme-toggle-btn"
               icon
               variant="text"
               size="small"
+              @click="toggleTheme"
             >
-              <v-icon
-                size="18"
-                :color="
-                  useCustomizerStore().uiTheme === 'PurpleTheme'
-                    ? '#5e35b1'
-                    : '#d7c5fa'
-                "
-              >
-                mdi-white-balance-sunny
+              <v-icon size="18" :color="'rgb(var(--v-theme-primary))'">
+                {{
+                  customizer.isDarkTheme
+                    ? "mdi-weather-night"
+                    : "mdi-white-balance-sunny"
+                }}
               </v-icon>
               <v-tooltip activator="parent" location="top">
-                {{ t("theme.switchToLight") }}
+                {{
+                  customizer.isDarkTheme
+                    ? t("theme.switchToLight")
+                    : t("theme.switchToDark")
+                }}
               </v-tooltip>
             </v-btn>
           </div>
         </div>
-        <div class="ml-2" style="font-size: 26px">{{ t("logo.title") }}</div>
-        <div class="mt-2 ml-2" style="font-size: 14px; color: grey">
-          {{ t("logo.subtitle") }}
+        <div class="ml-2" style="font-size: 26px">
+          {{ t("logo.title") }}
+        </div>
+        <div class="mt-2 ml-2" style="font-size: 14px; color: var(--v-theme-on-surface-variant)">
+          <DailyQuote />
         </div>
       </v-card-title>
       <v-card-text>
@@ -149,82 +194,89 @@ onMounted(() => {
     <v-dialog v-model="serverConfigDialog" max-width="450">
       <v-card>
         <v-card-title>{{ t("serverConfig.title") }}</v-card-title>
-        <v-card-text>
+        <v-card-text class="pt-0">
           <div class="text-body-2 text-medium-emphasis mb-4">
             {{ t("serverConfig.description") }}
           </div>
 
-          <div
-            v-if="
-              (apiStore.presets && apiStore.presets.length > 0) ||
-              apiStore.customPresets
-            "
-            class="mb-4"
-          >
+          <!-- Presets section -->
+          <div class="mb-4">
             <div class="d-flex justify-space-between align-center mb-2">
               <div class="text-caption text-medium-emphasis">
                 {{ t("serverConfig.presetLabel") }}
               </div>
-              <v-btn
-                size="x-small"
-                variant="text"
-                icon
-                @click="showAddPreset = !showAddPreset"
-              >
-                <v-icon>mdi-plus</v-icon>
-              </v-btn>
             </div>
 
-            <v-expand-transition>
-              <div
-                v-if="showAddPreset"
-                class="mb-2 pa-2 bg-grey-lighten-4 rounded border"
-              >
-                <v-text-field
-                  v-model="newPresetName"
-                  label="Name"
-                  density="compact"
-                  hide-details
-                  class="mb-2"
-                  variant="outlined"
-                  bg-color="white"
-                ></v-text-field>
-                <v-text-field
-                  v-model="newPresetUrl"
-                  label="URL"
-                  density="compact"
-                  hide-details
-                  class="mb-2"
-                  variant="outlined"
-                  bg-color="white"
-                ></v-text-field>
-                <v-btn
-                  size="small"
-                  block
-                  color="primary"
-                  variant="flat"
-                  @click="savePreset"
-                  >Add Preset</v-btn
-                >
-              </div>
-            </v-expand-transition>
-
-            <v-chip-group column>
+            <v-chip-group
+              v-if="apiStore.presets.length > 0 || apiStore.customPresets.length > 0"
+              column
+              class="mb-2"
+            >
               <v-chip
                 v-for="preset in apiStore.presets"
                 :key="preset.name"
                 size="small"
-                @click="apiUrl = preset.url"
                 :variant="apiUrl === preset.url ? 'flat' : 'tonal'"
                 :color="apiUrl === preset.url ? 'primary' : undefined"
                 :closable="isCustomPreset(preset.name)"
+                @click="apiUrl = preset.url"
                 @click:close="apiStore.removePreset(preset.name)"
               >
                 {{ preset.name }}
               </v-chip>
             </v-chip-group>
+
+            <!-- Add preset inline form -->
+            <div v-if="showAddPreset" class="preset-add-form rounded pa-3 mb-2">
+              <div class="d-flex align-center gap-2 mb-2">
+                <v-text-field
+                  v-model="newPresetName"
+                  :label="t('presetName')"
+                  density="compact"
+                  hide-details
+                  variant="outlined"
+                  class="flex-1"
+                />
+                <v-text-field
+                  v-model="newPresetUrl"
+                  :label="t('presetUrl')"
+                  density="compact"
+                  hide-details
+                  variant="outlined"
+                  class="flex-1"
+                />
+                <v-btn
+                  size="small"
+                  color="primary"
+                  variant="flat"
+                  icon
+                  @click="savePreset"
+                >
+                  <v-icon size="18">mdi-check</v-icon>
+                </v-btn>
+                <v-btn
+                  size="small"
+                  variant="text"
+                  icon
+                  @click="showAddPreset = false"
+                >
+                  <v-icon size="18">mdi-close</v-icon>
+                </v-btn>
+              </div>
+            </div>
+
+            <v-btn
+              v-if="!showAddPreset"
+              size="x-small"
+              variant="tonal"
+              prepend-icon="mdi-plus"
+              @click="showAddPreset = true"
+            >
+              {{ t("addPreset") }}
+            </v-btn>
           </div>
 
+          <!-- API URL field -->
           <v-text-field
             v-model="apiUrl"
             :label="t('serverConfig.label')"
@@ -233,16 +285,42 @@ onMounted(() => {
             persistent-hint
             variant="outlined"
             density="compact"
-          ></v-text-field>
+            class="mb-3"
+          />
+
+          <!-- Share link button -->
+          <v-btn
+            variant="tonal"
+            size="small"
+            block
+            class="mb-3"
+            prepend-icon="mdi-share-variant"
+            @click="copyShareableUrl"
+          >
+            {{ t("shareLink") }}
+          </v-btn>
+
+          <!-- Auto theme switch -->
+          <div class="d-flex align-center justify-space-between preset-auto-switch">
+            <div class="text-caption">{{ t('autoTheme') }}</div>
+            <v-switch
+              v-model="customizer.autoSwitchTheme"
+              color="primary"
+              density="compact"
+              hide-details
+              inset
+              @update:model-value="customizer.SET_AUTO_SYNC($event)"
+            />
+          </div>
         </v-card-text>
         <v-card-actions>
-          <v-spacer></v-spacer>
-          <v-btn variant="text" @click="serverConfigDialog = false">{{
-            t("serverConfig.cancel")
-          }}</v-btn>
-          <v-btn color="primary" variant="flat" @click="saveApiUrl">{{
-            t("serverConfig.save")
-          }}</v-btn>
+          <v-spacer />
+          <v-btn variant="text" @click="serverConfigDialog = false">
+            {{ t("serverConfig.cancel") }}
+          </v-btn>
+          <v-btn color="primary" variant="flat" @click="saveApiUrl">
+            {{ t("serverConfig.save") }}
+          </v-btn>
         </v-card-actions>
       </v-card>
     </v-dialog>
@@ -261,8 +339,57 @@ onMounted(() => {
   align-items: center;
 }
 
+// Dark mode: radial mask + DiamondBg
+.v-theme--bluebusinessdarktheme .login-page-container {
+  background-color: rgb(var(--v-theme-containerBg));
+  mask-image: radial-gradient(ellipse 60% 70% at 50% 50%, black 30%, transparent 70%);
+  -webkit-mask-image: radial-gradient(ellipse 60% 70% at 50% 50%, black 30%, transparent 70%);
+}
+
+// Light mode: pure white
+.v-theme--bluebusinesstheme .login-page-container {
+  background-color: #FFFFFF;
+  mask-image: none;
+  -webkit-mask-image: none;
+}
+
 .login-card {
   width: 400px;
   padding: 8px;
+  background: var(--v-theme-surface) !important;
+  backdrop-filter: blur(28px) saturate(1.1);
+  border: 1px solid rgba(var(--v-theme-primary), 0.2);
+  box-shadow:
+    0 0 80px rgba(var(--v-theme-on-surface), 0.3),
+    0 0 120px rgba(var(--v-theme-on-surface), 0.15),
+    inset 0 0 20px rgba(0, 0, 0, 0.1);
+}
+
+// Light mode: clean white card
+.v-theme--bluebusinesstheme .login-card {
+  background: #FFFFFF !important;
+  border: 1px solid rgba(0, 49, 83, 0.12) !important;
+  box-shadow: 0 4px 24px rgba(0, 49, 83, 0.08) !important;
+  backdrop-filter: none;
+}
+
+// Dark mode: preset add form
+.v-theme--bluebusinessdarktheme .preset-add-form {
+  background: rgba(255, 255, 255, 0.05);
+  border: 1px solid rgba(0, 242, 255, 0.15);
+}
+
+// Light mode: preset add form
+.v-theme--bluebusinesstheme .preset-add-form {
+  background: rgba(0, 49, 83, 0.04);
+  border: 1px solid rgba(0, 49, 83, 0.12);
+}
+
+// Auto switch row
+.preset-auto-switch {
+  padding: 8px 12px;
+  border: 1px solid rgba(var(--v-theme-on-surface), 0.1);
+  border-radius: 8px;
+  background: rgba(var(--v-theme-on-surface), 0.02);
 }
 </style>
diff --git a/dashboard/src/views/authentication/authForms/AuthLogin.vue b/dashboard/src/views/authentication/authForms/AuthLogin.vue
index 9b3672f5c..13158735b 100644
--- a/dashboard/src/views/authentication/authForms/AuthLogin.vue
+++ b/dashboard/src/views/authentication/authForms/AuthLogin.vue
@@ -1,56 +1,112 @@
 <script setup lang="ts">
-import { ref, useCssModule } from 'vue';
-import { useAuthStore } from '@/stores/auth';
-import { Form } from 'vee-validate';
-import { useModuleI18n } from '@/i18n/composables';
+import { ref, onMounted, onUnmounted } from "vue";
+import { useAuthStore } from "@/stores/auth";
+import { Form } from "vee-validate";
+import { useModuleI18n } from "@/i18n/composables";
 
-const { tm: t } = useModuleI18n('features/auth');
+const { tm: t } = useModuleI18n("features/auth");
 
-const valid = ref(false);
 const show1 = ref(false);
-const password = ref('');
-const username = ref('');
+const password = ref("");
+const username = ref("");
 const loading = ref(false);
 
-/* eslint-disable @typescript-eslint/no-explicit-any */
-async function validate(values: any, { setErrors }: any) {
+// 从URL参数读取用户名
+const params = new URLSearchParams(window.location.search);
+const usernameParam = params.get("username");
+if (usernameParam) {
+  username.value = usernameParam;
+}
+
+// 监听从LoginPage传来的用户名参数
+function handleUsernameParam(event: Event) {
+  const customEvent = event as CustomEvent<{ username: string }>;
+  username.value = customEvent.detail.username;
+}
+
+onMounted(() => {
+  window.addEventListener("astrbot-url-param-username", handleUsernameParam);
+});
+
+onUnmounted(() => {
+  window.removeEventListener("astrbot-url-param-username", handleUsernameParam);
+});
+
+async function validate(_values: any, { setErrors }: any) {
   loading.value = true;
 
   const authStore = useAuthStore();
-  // @ts-ignore
-  authStore.returnUrl = new URLSearchParams(window.location.search).get('redirect');
-  return authStore.login(username.value, password.value).then((res) => {
-    console.log(res);
-    loading.value = false;
-  }).catch((err) => {
-    setErrors({ apiError: err });
-    loading.value = false;
-  });
+  const redirectParam = new URLSearchParams(window.location.search).get(
+    "redirect",
+  );
+  // 将 string | null 显式断言为与 store 兼容的类型，避免因 store 初始状态推断不完整而导致的编译错误
+  authStore.returnUrl = redirectParam as unknown as string | null;
+  return authStore
+    .login(username.value, password.value)
+    .then(() => {
+      loading.value = false;
+    })
+    .catch((err) => {
+      setErrors({ apiError: err });
+      loading.value = false;
+    });
 }
-
 </script>
 
 <template>
-  <Form @submit="validate" class="mt-4 login-form" v-slot="{ errors, isSubmitting }">
-    <v-text-field v-model="username" :label="t('username')" class="mb-6 input-field" required hide-details="auto"
-      variant="outlined" prepend-inner-icon="mdi-account" :disabled="loading"></v-text-field>
+  <Form
+    v-slot="{ errors, isSubmitting }"
+    class="mt-4 login-form"
+    @submit="validate"
+  >
+    <v-text-field
+      v-model="username"
+      :label="t('username')"
+      class="mb-6 input-field"
+      required
+      hide-details="auto"
+      variant="outlined"
+      prepend-inner-icon="mdi-account"
+      :disabled="loading"
+    />
 
-    <v-text-field v-model="password" :label="t('password')" required variant="outlined" hide-details="auto"
-      :append-icon="show1 ? 'mdi-eye' : 'mdi-eye-off'" :type="show1 ? 'text' : 'password'"
-      @click:append="show1 = !show1" class="pwd-input" prepend-inner-icon="mdi-lock" :disabled="loading"></v-text-field>
+    <v-text-field
+      v-model="password"
+      :label="t('password')"
+      required
+      variant="outlined"
+      hide-details="auto"
+      :append-icon="show1 ? 'mdi-eye' : 'mdi-eye-off'"
+      :type="show1 ? 'text' : 'password'"
+      class="pwd-input"
+      prepend-inner-icon="mdi-lock"
+      :disabled="loading"
+      @click:append="show1 = !show1"
+    />
 
     <div class="mt-2">
-      <small style="color: grey;">{{ t('defaultHint') }}</small>
+      <small class="hint-label">{{ t("defaultHint") }}</small>
     </div>
 
-
-    <v-btn color="secondary" :loading="isSubmitting || loading" block class="login-btn mt-8" variant="flat" size="large"
-      :disabled="valid" type="submit">
-      <span class="login-btn-text">{{ t('login') }}</span>
+    <v-btn
+      color="secondary"
+      :loading="isSubmitting || loading"
+      block
+      class="login-btn mt-8"
+      variant="flat"
+      size="large"
+      type="submit"
+    >
+      <span class="login-btn-text">{{ t("login") }}</span>
     </v-btn>
 
     <div v-if="errors.apiError" class="mt-4 error-container">
-      <v-alert color="error" variant="tonal" icon="mdi-alert-circle" border="start">
+      <v-alert
+        color="error"
+        variant="tonal"
+        icon="mdi-alert-circle"
+        border="start"
+      >
         {{ errors.apiError }}
       </v-alert>
     </div>
@@ -122,8 +178,8 @@ async function validate(values: any, { setErrors }: any) {
     }
   }
 
-  .hint-text {
-    color: var(--v-theme-secondaryText);
+  .hint-label {
+    color: var(--v-theme-on-surface-variant);
     padding-left: 5px;
   }