fix: The forgot password page displays an error

--bug=1055073 --user=王孝刚 【长城开发科技】自定平台登录设置在点击忘记密码时还是默认提示 https://www.tapd.cn/57709429/s/1689108

ui/src/views/login/forgot-password/index.vue

@@ -1,6 +1,10 @@
 <template>
   <login-layout>
-    <LoginContainer :subTitle="$t('views.system.theme.defaultSlogan')">
+    <LoginContainer
+      :subTitle="
+        user.themeInfo?.slogan ? user.themeInfo?.slogan : $t('views.system.theme.defaultSlogan')
+      "
+    >
       <h2 class="mb-24">{{ $t('views.login.forgotPassword') }}</h2>
       <el-form
         class="register-form"
@@ -41,15 +45,15 @@
                   isDisabled
                     ? `${$t('views.login.verificationCode.resend')}（${time}s）`
                     : $t('views.login.verificationCode.getVerificationCode')
-                }}</el-button
-              >
+                }}
+              </el-button>
             </div>
           </el-form-item>
         </div>
       </el-form>
-      <el-button size="large" type="primary" class="w-full" @click="checkCode">{{
-        $t('views.login.buttons.checkCode')
-      }}</el-button>
+      <el-button size="large" type="primary" class="w-full" @click="checkCode"
+        >{{ $t('views.login.buttons.checkCode') }}
+      </el-button>
       <div class="operate-container mt-12">
         <el-button
           class="register"
@@ -72,7 +76,10 @@ import type { FormInstance, FormRules } from 'element-plus'
 import UserApi from '@/api/user'
 import { MsgSuccess } from '@/utils/message'
 import { t } from '@/locales'
+import useStore from '@/stores'
+
 const router = useRouter()
+const { user } = useStore()
 const CheckEmailForm = ref<CheckCodeRequest>({
   email: '',
   code: '',