update tooltip

public/react/src/modules/tpm/jupyter/leftPane/index.js

@@ -4,7 +4,7 @@
  * @Github: 
  * @Date: 2019-12-12 10:34:03
  * @LastEditors: tangjiang
- * @LastEditTime: 2019-12-13 16:04:31
+ * @LastEditTime: 2019-12-13 16:28:33
  */
 import './index.scss';
 import React, { useState, useEffect } from 'react';
@@ -36,7 +36,11 @@ function LeftPane (props) {
       const oList = dataSets.map((item, i) => {
         return (
           <li className="jupyter_item" key={`key_${i}`}>
-            <Tooltip placement="right" title={item.file_path}>
+            <Tooltip 
+              placement="right" 
+              title={item.file_path}
+              mouseLeaveDelay={0.3}
+            >
               <Icon type="file-text" className="jupyter_icon"/>
               <span className="jupyter_name">{item.title}</span>
             </Tooltip>