fix: should pass style to upload correctly, close: #3072

components/upload/index.tsx

@@ -274,7 +274,7 @@ export default class Upload extends React.Component<UploadProps, any> {
             onDragOver={this.onFileDrop}
             onDragLeave={this.onFileDrop}
           >
-            <RcUpload {...props} ref="upload">
+            <RcUpload {...props} ref="upload" className={`${prefixCls}-btn`}>
               <div className={`${prefixCls}-drag-container`}>
                 {this.props.children}
               </div>

package.json

@@ -68,7 +68,7 @@
     "rc-tooltip": "~3.4.2",
     "rc-tree": "~1.3.6",
     "rc-tree-select": "~1.8.0",
-    "rc-upload": "~2.0.3",
+    "rc-upload": "~2.1.0",
     "rc-util": "^3.3.0",
     "react-addons-pure-render-mixin": "^15.0.0",
     "react-slick": "~0.14.2",