old_contents: import { Meteor } from 'meteor/meteor';
  import { check, Match } from 'meteor/check';
  
  import { dbLog } from '/db/dbLog';
  import { debug } from '/server/imports/debug';
  
  Meteor.methods({
    forfeit({userId, message, amount}) {
      check(this.userId, String);
      check(userId, String);
      check(message, String);
      check(amount, Match.Integer);
      forfeit(Meteor.user(), {userId, message, amount});
  
      return true;
    }
  });
  function forfeit(user, {userId, message, amount}) {
    debug.log('forfeit', {user, userId, message, amount});
    if (! user.profile.isAdmin) {
      throw new Meteor.Error(403, '您並非金融管理會委員，無法進行此操作！');
    }
    if (Meteor.users.find(userId).count() < 1) {
      throw new Meteor.Error(404, '找不到識別碼為「' + userId + '」的使用者！');
    }
    amount *= -1;
    if (amount <= 0) {
      dbLog.insert({
        logType: '課以罰款',
        userId: [user._id, userId],
        data: {
          reason: message,
          fine: amount * -1
        },
        createdAt: new Date()
      });
    }
    else {
      dbLog.insert({
        logType: '退還罰款',
        userId: [user._id, userId],
        data: {
          reason: message,
          find: amount
        },
        createdAt: new Date()
      });
    }
    Meteor.users.update(userId, {
      $inc: {
        'profile.money': amount
      }
    });
  }
  
new_contents: import { Meteor } from 'meteor/meteor';
  import { check, Match } from 'meteor/check';
  
  import { dbLog } from '/db/dbLog';
  import { debug } from '/server/imports/debug';
  
  Meteor.methods({
    forfeit({userId, message, amount}) {
      check(this.userId, String);
      check(userId, String);
      check(message, String);
      check(amount, Match.Integer);
      forfeit(Meteor.user(), {userId, message, amount});
  
      return true;
    }
  });
  function forfeit(user, {userId, message, amount}) {
    debug.log('forfeit', {user, userId, message, amount});
    if (! user.profile.isAdmin) {
      throw new Meteor.Error(403, '您並非金融管理會委員，無法進行此操作！');
    }
    if (Meteor.users.find(userId).count() < 1) {
      throw new Meteor.Error(404, '找不到識別碼為「' + userId + '」的使用者！');
    }
    amount *= -1;
    if (amount <= 0) {
      dbLog.insert({
        logType: '課以罰款',
        userId: [user._id, userId],
        data: {
          reason: message,
          fine: amount * -1
        },
        createdAt: new Date()
      });
    }
    else {
      dbLog.insert({
        logType: '退還罰款',
        userId: [user._id, userId],
        data: {
          reason: message,
          fine: amount
        },
        createdAt: new Date()
      });
    }
    Meteor.users.update(userId, {
      $inc: {
        'profile.money': amount
      }
    });
  }
  
subject: 修正錯字：find -> fine