feat: mongodb配置更新；在充值action里记录区块链数值，在fundList里乘汇率

src/modules/fund/fund.model.js

@@ -95,15 +95,15 @@ FundModel.prototype.addFund = async function (txlist = [], option) {
     const actionPromiseList = [];
     const newFundList = txlist.map(txObj => {
         const depositAmount = +txObj.amount * USDT2VIC_RATE;
-        txObj.amount = depositAmount; // 把区块链的数值乘以比率 ！！！！
         newSum += depositAmount;
         const action = createAction(0, {
             userId: this.userId,
-            amount: depositAmount,
+            amount: +txObj.amount,  // 充值记录的数值仍然是区块链的数值
             tokenType: 'vic', // 目前设定只能挖出矿晶vic
             remain: this.asset
         });
         actionPromiseList.push(action.save());
+        txObj.amount = depositAmount; // 之后返回fundList里的数值需要把区块链的数值乘以比率 ！！！！
         return createNewFund(txObj);
     });
     // 1.注入资金