fix calPrice

Helius

2022-06-13 27f5691079bd92b2c9d9f4e77ab162d569c041ff

 src/main/java/cc/mrbird/febs/dapp/service/DappSystemService.java

@@ -33,4 +33,6 @@
     * @param id
     */
    void userBuyReward(Long id);

    void startSystem();
}