add cash to profit

db/migrate/20201219114699_create_profit_users.rb

@@ -4,7 +4,7 @@ class CreateProfitUsers < ActiveRecord::Migration
     #分佣方管理
     create_table :profit_users do |t|
       #微信ID
-      t.column :wx_user_id,:string
+      t.column :wx_user_id, :integer,:null=>false, :default => 0
       #openId
       t.column :openid,:string
       t.timestamps