diff --git a/components/amount/README.en-US.md b/components/amount/README.en-US.md
index ce433ce5..aeb2ae9f 100644
--- a/components/amount/README.en-US.md
+++ b/components/amount/README.en-US.md
@@ -33,4 +33,4 @@ The font `DIDIFD-Medium` is used in the component for the case show only, if nec
 |is-capital|convert to chinese capital|Boolean|`false`|-|
 |transition|use transition when value changes|Boolean|`false`|-|
 |duration|transition duration|Number|`1000`|unit `ms`|
-|mask<sup class="version-after">2.7.2+</sup>|use mask|Boolean|`false`|-|
+|mask<sup class="version-after">2.7.1+</sup>|use mask|Boolean|`false`|-|
diff --git a/components/amount/README.md b/components/amount/README.md
index 46925fed..66706110 100644
--- a/components/amount/README.md
+++ b/components/amount/README.md
@@ -33,4 +33,4 @@ Vue.component(Amount.name, Amount)
 |is-capital|数字是否转换为大写中文|Boolean|`false`|-|
 |transition|数字变化是否使用动画|Boolean|`false`|-|
 |duration|数字变化动画时长|Number|`1000`|单位`ms`|
-|mask<sup class="version-after">2.7.2+</sup> |是否掩码|Boolean|`false`|-|
+|mask<sup class="version-after">2.7.1+</sup> |是否掩码|Boolean|`false`|-|
diff --git a/components/amount/demo/cases/demo4.vue b/components/amount/demo/cases/demo4.vue
index df13fd4c..6539cca2 100644
--- a/components/amount/demo/cases/demo4.vue
+++ b/components/amount/demo/cases/demo4.vue
@@ -14,7 +14,7 @@
 export default {
   name: 'amount-demo',
   /* DELETE */
-  title: '大写中文',
+  title: '掩码展示',
   titleEnUS: 'Capital Chinese',
   /* DELETE */
   components: {