diff --git a/src/views/system/setting/components/change-copyright.vue b/src/views/system/setting/components/change-copyright.vue
index bf29486b..08e92e03 100644
--- a/src/views/system/setting/components/change-copyright.vue
+++ b/src/views/system/setting/components/change-copyright.vue
@@ -71,7 +71,7 @@ onMounted(() => {
           <a-input
             v-model:value="state.copyright"
             allow-clear
-            :maxlength="40"
+            :maxlength="128"
             :placeholder="t('common.inputPlease')"
           ></a-input>
         </a-form-item>
@@ -101,7 +101,7 @@ onMounted(() => {
       <a-typography>
         <a-typography-paragraph>
           {{ t('views.system.setting.sysCopyrightLimitation') }}
-          <a-typography-text mark>40</a-typography-text>
+          <a-typography-text mark>128</a-typography-text>
           {{ t('views.system.setting.charMaxLen') }}
         </a-typography-paragraph>
       </a-typography>