feats

src/pages/index/activityDetail/index.jsx

             className="iconfont icon-shoucang"
             style={isSaved ? { color: "red" } : undefined}
           ></text>
-          <text>收藏</text>
+          <text>{isSaved ? '已收藏' : '收藏'}</text>
         </view>
         <view className="flex-item"></view>