Fixed the training content view

src/components/Dropdown.tsx

@@ -2,7 +2,7 @@ import React, { useState, ReactNode, useRef, useEffect } from 'react';
 import { animated, useSpring } from '@react-spring/web';
 
 interface DropdownProps {
-    title: string;
+    title: ReactNode;
     open?: boolean;
     className?: string;
     contentWrapperClassName?: string;
@@ -81,4 +81,4 @@ const Dropdown: React.FC<DropdownProps> = ({
     );
 };
 
-export default Dropdown;
+export default Dropdown;