diff --git a/components/progress/progress.tsx b/components/progress/progress.tsx
index e3fb12c32f..f10f7247c1 100644
--- a/components/progress/progress.tsx
+++ b/components/progress/progress.tsx
@@ -79,7 +79,7 @@ export default class Progress extends React.Component<ProgressProps, any> {
         <div>
           <div className={`${prefixCls}-outer`}>
             <div className={`${prefixCls}-inner`}>
-              <div className={`${prefixCls}-bg`} style={percentStyle}></div>
+              <div className={`${prefixCls}-bg`} style={percentStyle} />
             </div>
           </div>
           {progressInfo}
diff --git a/components/transfer/list.tsx b/components/transfer/list.tsx
index 46a1e6fe9d..0e85ee9508 100644
--- a/components/transfer/list.tsx
+++ b/components/transfer/list.tsx
@@ -178,7 +178,7 @@ export default class TransferList extends React.Component<TransferListProps, any
             prefixCls: outerPrefixCls,
             checked: checkStatus === 'all',
             checkPart: checkStatus === 'part',
-            checkable: <span className={`${outerPrefixCls}-checkbox-inner`}></span>,
+            checkable: <span className={`${outerPrefixCls}-checkbox-inner`} />,
             filteredDataSource,
             disabled: false,
           })}
diff --git a/components/tree-select/index.tsx b/components/tree-select/index.tsx
index 229b6b4e04..a3a9abae5f 100644
--- a/components/tree-select/index.tsx
+++ b/components/tree-select/index.tsx
@@ -44,7 +44,7 @@ export default class TreeSelect extends React.Component<TreeSelectProps, any> {
 
     let checkable = props.treeCheckable;
     if (checkable) {
-      checkable = <span className={`${prefixCls}-tree-checkbox-inner`}></span>;
+      checkable = <span className={`${prefixCls}-tree-checkbox-inner`} />;
     }
 
     return (
diff --git a/components/tree/index.tsx b/components/tree/index.tsx
index 25051054e2..cb25766ea4 100644
--- a/components/tree/index.tsx
+++ b/components/tree/index.tsx
@@ -100,7 +100,7 @@ export default class Tree extends React.Component<TreeProps, any> {
     return (
       <RcTree
         {...props}
-        checkable={checkable ? (<span className={`${props.prefixCls}-checkbox-inner`}></span>) : checkable }
+        checkable={checkable ? (<span className={`${props.prefixCls}-checkbox-inner`} />) : checkable }
       >
         {this.props.children}
       </RcTree>