修复：找不到type

app/controllers/projects_controller.rb

@@ -231,7 +231,8 @@ class ProjectsController < ApplicationController
   end
 
   def user_actions 
-    user_actions = UserAction.where(action_type: "ViewProject-#{@project.id}").includes(:user).merge(User.like(params[:search]))
+    user_actions = UserAction.where(action_type: "ViewProject-#{@project.id}").joins(:user)
+    user_actions = user_actions.merge(User.like(params[:search]))
     @user_actions = kaminari_paginate(user_actions)
   end
 

app/views/projects/user_actions.json.jbuilder

@@ -1,4 +1,4 @@
-json.count @user_actions.total_count
+json.total_count @user_actions.total_count
 json.users do 
   json.partial! "/projects/list_user_secret", collection: @user_actions, as: :target
 end