1

app/controllers/shixuns_controller.rb

@@ -910,7 +910,8 @@ class ShixunsController < ApplicationController
     if request.get?
       @collaborators = @shixun.shixun_members.where("user_id != #{@shixun.user_id}")
 		else
-      if params[:user_id]
+			begin
+				raise("必须选择一个用户才能更换管理员") if params[:user_id].blank?
 				man_member = ShixunMember.where(:shixun_id => @shixun.id, :user_id => @shixun.user_id).first
 				cha_member = ShixunMember.where(:user_id => params[:user_id], :shixun_id => @shixun.id).first
 				if man_member && cha_member
@@ -918,6 +919,9 @@ class ShixunsController < ApplicationController
 					cha_member.update_attribute(:role, 1)
 					@shixun.update_attribute(:user_id, cha_member.user_id)
 				end
+			rescue => e
+				logger.error("######change_manager_error: #{e.message}")
+				render_error(e.message)
 			end
     end
   end