fix: fix yarnrc and some todo

fix yarnrc and some todo

.yarnrc

@@ -1,2 +1,2 @@
 # Set default registry: yarn config set registry https://registry.yarnpkg.com
-registry=http://registry.npm.dtstack.com/
+registry "http://registry.npm.dtstack.com/"

src/extensions/explore/explore.tsx

@@ -116,11 +116,14 @@ export const Explorer: React.FunctionComponent<IExplorerProps> = (
         e.stopPropagation()
         console.log('onClick:', e, item);
     };
+    /**
+     * TODO: withdraw and log
+     */
     const render = (render) => {
         if (render) {
             return render()
         } else {
-            return 'cannot provide...'
+            return 'Cannot provide...'
         }
     }
     const { panelSet, explorerToolbar, activePanelKey } = state;

src/extensions/explore/tree.tsx

@@ -28,6 +28,7 @@ const TreeView: React.FunctionComponent<ITreeProps> = (
 
     /**
      * Refer to antd for details
+     * TODO: move component
      */
     const onDrop = info => {
         console.log(info);