diff --git a/components/form/demo/horizontal-form.md b/components/form/demo/horizontal-form.md
index 1fb0d954ff..ccb49322cb 100644
--- a/components/form/demo/horizontal-form.md
+++ b/components/form/demo/horizontal-form.md
@@ -14,14 +14,9 @@
 <form class="ant-form-horizontal">
   <div class="ant-form-item">
     <label for="userName" class="col-6" required>用户名：</label>
-    <div class="col-4">
+    <div class="col-6">
       <p class="ant-form-text">大眼萌 minion</p>
     </div>
-    <div class="col-9">
-      <p class="ant-form-text">
-        <a href="javascript:;">什么鬼？</a>
-      </p>
-    </div>
   </div>
   <div class="ant-form-item">
     <label for="password" class="col-6" required>密码：</label>
diff --git a/components/form/demo/input-size.md b/components/form/demo/input-size.md
index 8f4a17b650..d3e52f2a22 100644
--- a/components/form/demo/input-size.md
+++ b/components/form/demo/input-size.md
@@ -9,16 +9,17 @@
 ---
 
 ````html
-
-<div class="ant-inputs">
-  <div class="ant-inputs-item">
-    <input class="ant-input ant-input-lg" type="text" id="largeInput" placeholder="大尺寸"/>
-  </div>
-  <div class="ant-inputs-item">
-    <input class="ant-input" type="text" id="defaultInput" placeholder="默认尺寸"/>
-  </div>
-  <div class="ant-inputs-item">
-    <input class="ant-input ant-input-sm" type="text" id="smallInput" placeholder="小尺寸"/>
+<div class="row">
+  <div class="ant-input-group">
+    <div class="col-6">
+      <input class="ant-input ant-input-lg" type="text" id="largeInput" placeholder="大尺寸"/>
+    </div>
+    <div class="col-6">
+      <input class="ant-input" type="text" id="defaultInput" placeholder="默认尺寸"/>
+    </div>
+    <div class="col-6">
+      <input class="ant-input ant-input-sm" type="text" id="smallInput" placeholder="小尺寸"/>
+    </div>
   </div>
 </div>
 
diff --git a/components/form/demo/inputs.md b/components/form/demo/inputs.md
index f2f48d9a6f..2a64bc2060 100644
--- a/components/form/demo/inputs.md
+++ b/components/form/demo/inputs.md
@@ -44,17 +44,17 @@
   <div class="ant-form-item">
     <label class="col-6">输入身份证：</label>
     <div class="col-16">
-      <div class="ant-inputs">
-        <div class="ant-inputs-item">
+      <div class="ant-input-group">
+        <div class="col-6">
           <input class="ant-input" type="text" id="certNo1" />
         </div>
-        <div class="ant-inputs-item">
+        <div class="col-6">
           <input class="ant-input" type="text" id="certNo2" />
         </div>
-        <div class="ant-inputs-item">
+        <div class="col-6">
           <input class="ant-input" type="text" id="certNo3" />
         </div>
-        <div class="ant-inputs-item">
+        <div class="col-6">
           <input class="ant-input" type="text" id="certNo4" />
         </div>
       </div>
@@ -71,14 +71,14 @@
           <p class="ant-form-split">--</p>
         </div>
         <div class="col-18">
-          <div class="ant-inputs">
-            <div class="ant-inputs-item">
+          <div class="ant-input-group">
+            <div class="col-6">
               <input class="ant-input" type="text" id="tel1" />
             </div>
-            <div class="ant-inputs-item">
+            <div class="col-6">
               <input class="ant-input" type="text" id="tel2" />
             </div>
-            <div class="ant-inputs-item">
+            <div class="col-6">
               <input class="ant-input" type="text" id="tel3" />
             </div>
           </div>