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src/pages/ContentManagementSystem/Advertisement/edit.jsx

             <FormItem label="名称" name="title" rules={[{ required: true, message: '请输入' }]}>
               <Input placeholder="请输入" style={{ width: '350px' }} />
             </FormItem>
-            <FormItem label="图片" name="thumb" rules={[{ required: true, message: '请选择' }]}>
+            <FormItem label="图片" name="thumb" rules={[{ required: true, message: '请选择' }]} tooltip='轮播图尺寸建议5:3这样小程序可以更好地显示'>
               <UploadImage value={image} onChange={setImage} />
             </FormItem>
             <FormItem label="位置" name="position" rules={[{ required: true, message: '请选择' }]}>