NoMethodError in Cs#list

Showing /var/www/zhongyuey/app/views/cs/list.html.erb where line #12 raised:

undefined method `Info0' for nil:NilClass
Extracted source (around line #12):
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<%
wxonlyone = WXonlyOne.all
type = BigSmall.all.where("id=?",params[:id])[0].Info0
if(type=="所有产品")
wxmores = WXmore.all.where("type0='所有产品' ").page(params[:page]).order("addtime desc")
else

Rails.root: /var/www/zhongyuey

Application Trace | Framework Trace | Full Trace

Request

Parameters:

{"type"=>"行业资讯"}

Response

Headers:

None