diff --git a/src/App.vue b/src/App.vue
index e617af50..cd1b555a 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -25,7 +25,7 @@ const naiveDateLocale = computed(() => {
 
 const watermarkProps = computed<WatermarkProps>(() => {
   return {
-    content: themeStore.watermark.text,
+    content: themeStore.watermark?.text || 'SoybeanAdmin',
     cross: true,
     fullscreen: true,
     fontSize: 16,
@@ -50,7 +50,7 @@ const watermarkProps = computed<WatermarkProps>(() => {
   >
     <AppProvider>
       <RouterView class="bg-layout" />
-      <NWatermark v-if="themeStore.watermark.visible" v-bind="watermarkProps" />
+      <NWatermark v-if="themeStore.watermark?.visible" v-bind="watermarkProps" />
     </AppProvider>
   </NConfigProvider>
 </template>
diff --git a/src/layouts/modules/theme-drawer/modules/page-fun.vue b/src/layouts/modules/theme-drawer/modules/page-fun.vue
index 4595c8a5..b6af0ab2 100644
--- a/src/layouts/modules/theme-drawer/modules/page-fun.vue
+++ b/src/layouts/modules/theme-drawer/modules/page-fun.vue
@@ -101,10 +101,10 @@ const isWrapperScrollMode = computed(() => themeStore.layout.scrollMode === 'wra
     >
       <NSwitch v-model:value="themeStore.footer.right" />
     </SettingItem>
-    <SettingItem key="8" :label="$t('theme.watermark.visible')">
+    <SettingItem v-if="themeStore.watermark" key="8" :label="$t('theme.watermark.visible')">
       <NSwitch v-model:value="themeStore.watermark.visible" />
     </SettingItem>
-    <SettingItem v-if="themeStore.watermark.visible" key="8-1" :label="$t('theme.watermark.text')">
+    <SettingItem v-if="themeStore.watermark?.visible" key="8-1" :label="$t('theme.watermark.text')">
       <NInput
         v-model:value="themeStore.watermark.text"
         autosize
diff --git a/src/typings/app.d.ts b/src/typings/app.d.ts
index d1a7f599..aecd2743 100644
--- a/src/typings/app.d.ts
+++ b/src/typings/app.d.ts
@@ -96,7 +96,7 @@ declare namespace App {
         right: boolean;
       };
       /** Watermark */
-      watermark: {
+      watermark?: {
         /** Whether to show the watermark */
         visible: boolean;
         /** Watermark text */