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app/services/weapps/shixun_search_service.rb

@@ -34,7 +34,8 @@ class Weapps::ShixunSearchService < ApplicationService
     unless params[:keyword].blank?
       keyword = params[:keyword].strip
       shixuns = shixuns.joins(:user).
-        where("shixuns.name like :keyword", keyword: "%#{keyword}%").distinct
+          where("concat(lastname, firstname) like :keyword or shixuns.name like :keyword",
+                keyword: "%#{keyword}%", name: "%#{keyword.split(" ").join("%")}%").distinct
     end
 
     shixuns.order("#{sort_str} #{order_str}")