fix:tooltips

src/modules/task-center/data-center/components/StudyTable.tsx

@@ -115,7 +115,13 @@ function StudyTable(props: any) {
             },
         },
         {
-            title: '学习进度',
+            title: <div>学习进度  <Tooltip
+                title={'已完成任务数/任务总数'}>
+                <span
+                    style={{ color: "rgba(191, 191, 191, 1)", fontWeight: 400 }}
+                    className="iconfont"
+                >&#xe61d;</span>
+            </Tooltip></div>,
             key: 'learnPercentage',
             sorter: true,
             dataIndex: 'learnPercentage',