diff --git a/src/dialog/README.md b/src/dialog/README.md
index 1094e665d..51e9f9f37 100644
--- a/src/dialog/README.md
+++ b/src/dialog/README.md
@@ -169,7 +169,7 @@ export default {
 | width `v2.2.7` | Width | _number \| string_ | `320px` |
 | message | Message | _string_ | - |
 | message-align | Message align，can be set to `left` `right` | _string_ | `center` |
-| theme `v2.10.0` | theme style，can be set to `round` | _string_ | `default` |
+| theme `v2.10.0` | theme style，can be set to `round-button` | _string_ | `default` |
 | show-confirm-button | Whether to show confirm button | _boolean_ | `true` |
 | show-cancel-button | Whether to show cancel button | _boolean_ | `false` |
 | cancel-button-text | Cancel button text | _string_ | `Cancel` |
diff --git a/src/dialog/README.zh-CN.md b/src/dialog/README.zh-CN.md
index 07272b14a..743280b7a 100644
--- a/src/dialog/README.zh-CN.md
+++ b/src/dialog/README.zh-CN.md
@@ -201,7 +201,7 @@ export default {
 | width `v2.2.7` | 弹窗宽度，默认单位为`px` | _number \| string_ | `320px` |
 | message | 文本内容，支持通过`\n`换行 | _string_ | - |
 | message-align | 内容对齐方式，可选值为`left` `right` | _string_ | `center` |
-| theme | 样式风格，可选值为`round` | _string_ | `default` |
+| theme | 样式风格，可选值为`round-button` | _string_ | `default` |
 | show-confirm-button | 是否展示确认按钮 | _boolean_ | `true` |
 | show-cancel-button | 是否展示取消按钮 | _boolean_ | `false` |
 | confirm-button-text | 确认按钮文案 | _string_ | `确认` |