diff --git a/src/notice-bar/README.md b/src/notice-bar/README.md
index 4ac991805..caeefec9d 100644
--- a/src/notice-bar/README.md
+++ b/src/notice-bar/README.md
@@ -65,13 +65,13 @@ Vue.use(NoticeBar);
 |------|------|------|------|
 | mode | Mode, can be set to `closeable` `link` | *string* | `''` |
 | text | Notice text content | *string* | `''` | - |
-| delay | Animation delay (s) | *number* | `1` |
-| speed | Scroll speed (px/s) | *number* | `50` |
-| scrollable | Whether to scroll content | *boolean* | `true` |
-| wrapable | Whether to enable text wrap | *boolean* | `false` | - |
-| left-icon | Left Icon | *string* | - |
 | color | Text color | *string* | `#f60` |
 | background | Background color | *string* | `#fff7cc` |
+| left-icon | Left Icon | *string* | - |
+| delay | Animation delay (s) | *number \| string* | `1` |
+| speed | Scroll speed (px/s) | *number \| string* | `50` |
+| scrollable | Whether to scroll content | *boolean* | `true` |
+| wrapable | Whether to enable text wrap | *boolean* | `false` | - |
 
 ### Events
 
diff --git a/src/notice-bar/README.zh-CN.md b/src/notice-bar/README.zh-CN.md
index 6e39a27fe..efe7e0b57 100644
--- a/src/notice-bar/README.zh-CN.md
+++ b/src/notice-bar/README.zh-CN.md
@@ -73,13 +73,13 @@ Vue.use(NoticeBar);
 |------|------|------|------|
 | mode | 通知栏模式，可选值为 `closeable` `link` | *string* | `''` |
 | text | 通知文本内容 | *string* | `''` |
-| delay | 动画延迟时间 (s) | *number* | `1` |
-| speed | 滚动速率 (px/s) | *number* | `50` |
-| scrollable | 是否在长度溢出时滚动播放 | *boolean* | `true` |
-| wrapable | 是否开启文本换行，只在禁用滚动时生效 | *boolean* | `false` |
-| left-icon | 左侧 [图标名称](#/zh-CN/icon) 或图片链接 | *string* | - |
 | color | 文本颜色 | *string* | `#f60` |
 | background | 滚动条背景 | *string* | `#fff7cc` |
+| left-icon | 左侧 [图标名称](#/zh-CN/icon) 或图片链接 | *string* | - |
+| delay | 动画延迟时间 (s) | *number \| string* | `1` |
+| speed | 滚动速率 (px/s) | *number \| string* | `50` |
+| scrollable | 是否在长度溢出时滚动播放 | *boolean* | `true` |
+| wrapable | 是否开启文本换行，只在禁用滚动时生效 | *boolean* | `false` |
 
 ### Events
 
diff --git a/src/notice-bar/index.js b/src/notice-bar/index.js
index e5fed29b4..f36169d27 100644
--- a/src/notice-bar/index.js
+++ b/src/notice-bar/index.js
@@ -11,16 +11,16 @@ export default createComponent({
     leftIcon: String,
     wrapable: Boolean,
     background: String,
-    delay: {
-      type: [Number, String],
-      default: 1,
-    },
     scrollable: {
       type: Boolean,
       default: true,
     },
+    delay: {
+      type: [Number, String],
+      default: 1,
+    },
     speed: {
-      type: Number,
+      type: [Number, String],
       default: 50,
     },
   },