新增：区块确权贡献者展示逻辑

lib/tasks/sync_mindspore_contributors.rake

@@ -65,7 +65,7 @@ namespace :sync_mindspore do
     total_contributions = contributions.sum{|i| i["contributions"]}
     contributions.each do |con|
       cont_balance = Float(con["contributions"]*9900/total_contributions).round(0)
-      token_balance << [con["id"], cont_balance] if cont_balance > 0
+      token_balance << [con["id"].to_s, cont_balance] if cont_balance > 0
     end
     params = {
       "request-type": "create repo",