项目搜索优化

app/models/project.rb

@@ -156,7 +156,7 @@ class Project < ActiveRecord::Base
       where(nil)
     else
       pattern = "%#{arg.to_s.strip.downcase}%"
-      where("LOWER(identifier) LIKE :p OR LOWER(name) LIKE :p ", :p => pattern)
+      where("LOWER(name) LIKE :p ", :p => pattern)
     end
   }
   scope :project_entities, -> { where(project_type: ProjectType_project) }