diff --git a/src/swipe-cell/README.md b/src/swipe-cell/README.md
index 2aebf36e9..139cd124f 100644
--- a/src/swipe-cell/README.md
+++ b/src/swipe-cell/README.md
@@ -103,10 +103,10 @@ export default {
 | Attribute | Description | Type | Default |
 |------|------|------|------|
 | name `v2.0.4` | Identifier of SwipeCell | *number \| string* | - |
+| left-width | Width of the left swipe area | *number \| string* | `auto` |
+| right-width | Width of the right swipe area | *number \| string* | `auto` |
 | before-close `v2.3.0` | Callback function before close | *Function* | - |
 | disabled | Whether to disabled swipe | *boolean* | `false` |
-| left-width | Width of the left swipe area | *number* | `auto` |
-| right-width | Width of the right swipe area | *number* | `auto` |
 | stop-propagation `v2.1.0` | Whether to stop touchmove event propagation | *boolean* | `false` |
 
 ### Slots
diff --git a/src/swipe-cell/README.zh-CN.md b/src/swipe-cell/README.zh-CN.md
index 14a0c811c..cf4e58e99 100644
--- a/src/swipe-cell/README.zh-CN.md
+++ b/src/swipe-cell/README.zh-CN.md
@@ -111,10 +111,10 @@ export default {
 | 参数 | 说明 | 类型 | 默认值 |
 |------|------|------|------|
 | name `v2.0.4` | 标识符，可以在事件参数中获取到 | *number \| string* | - |
+| left-width | 指定左侧滑动区域宽度，单位为`px` | *number \| string* | `auto` |
+| right-width | 指定右侧滑动区域宽度，单位为`px` | *number \| string* | `auto` |
 | before-close `v2.3.0` | 关闭前的回调函数 | *Function* | - |
 | disabled | 是否禁用滑动 | *boolean* | `false` |
-| left-width | 指定左侧滑动区域宽度 | *number* | `auto` |
-| right-width | 指定右侧滑动区域宽度 | *number* | `auto` |
 | stop-propagation `v2.1.0` | 是否阻止滑动事件冒泡 | *boolean* | `false` |
 
 ### Slots
diff --git a/src/swipe-cell/index.js b/src/swipe-cell/index.js
index 4c0fea514..e8b778c27 100644
--- a/src/swipe-cell/index.js
+++ b/src/swipe-cell/index.js
@@ -23,10 +23,10 @@ export default createComponent({
     // @deprecated
     // should be removed in next major version, use beforeClose instead
     onClose: Function,
-    beforeClose: Function,
     disabled: Boolean,
-    leftWidth: Number,
-    rightWidth: Number,
+    leftWidth: [Number, String],
+    rightWidth: [Number, String],
+    beforeClose: Function,
     stopPropagation: Boolean,
     name: {
       type: [Number, String],
@@ -43,11 +43,11 @@ export default createComponent({
 
   computed: {
     computedLeftWidth() {
-      return this.leftWidth || this.getWidthByRef('left');
+      return +this.leftWidth || this.getWidthByRef('left');
     },
 
     computedRightWidth() {
-      return this.rightWidth || this.getWidthByRef('right');
+      return +this.rightWidth || this.getWidthByRef('right');
     },
   },