diff --git a/src/number-keyboard/README.md b/src/number-keyboard/README.md
index a33d61f56..4ecfa7802 100644
--- a/src/number-keyboard/README.md
+++ b/src/number-keyboard/README.md
@@ -95,7 +95,7 @@ export default {
 Use `extra-key` prop to set the content of bottom left button
 
 ```html
-<van-button plain type="primary" @touchstart.stop="show = true'">
+<van-button plain type="primary" @touchstart.stop="show = true">
   Show Id Card Number Keyboard
 </van-button>
 
@@ -114,7 +114,7 @@ Use `extra-key` prop to set the content of bottom left button
 Use `title` prop to set keyboard title
 
 ```html
-<van-button plain type="info" @touchstart.stop="show = true'">
+<van-button plain type="info" @touchstart.stop="show = true">
   Show Custom Title Keyboard
 </van-button>
 
diff --git a/src/number-keyboard/README.zh-CN.md b/src/number-keyboard/README.zh-CN.md
index f38fe8b4d..e854397b4 100644
--- a/src/number-keyboard/README.zh-CN.md
+++ b/src/number-keyboard/README.zh-CN.md
@@ -101,7 +101,7 @@ export default {
 通过`extra-key`属性可以设置左下角按键内容
 
 ```html
-<van-button plain type="primary" @touchstart.stop="show = true'">
+<van-button plain type="primary" @touchstart.stop="show = true">
   弹出身份证号码键盘
 </van-button>
 
@@ -120,7 +120,7 @@ export default {
 通过`title`属性可以设置键盘标题
 
 ```html
-<van-button plain type="info" @touchstart.stop="show = true'">
+<van-button plain type="info" @touchstart.stop="show = true">
   弹出自定义标题键盘
 </van-button>