diff --git a/app/helpers/admin/personal_researches_helper.rb b/app/helpers/admin/personal_researches_helper.rb
index 3d68489..111869c 100644
--- a/app/helpers/admin/personal_researches_helper.rb
+++ b/app/helpers/admin/personal_researches_helper.rb
@@ -88,7 +88,7 @@ module Admin::PersonalResearchesHelper
 	      mps = role.member_profile_ids
 	      # d1 = DateTime.new(year_start,1,1,0,0)
 	      # d2 = DateTime.new(year_end,12,31,23,59)   
-	      d["data"] = Research.where(:year.gte => year_start, :year.lte => year_end, :member_profile_id.in => mps) rescue []
+	      d["data"] = Research.where(:year.gte => year_start.to_s, :year.lte => year_end.to_s, :member_profile_id.in => mps) rescue []
 	      data << d
 	    end
 	    return data
@@ -124,7 +124,7 @@ module Admin::PersonalResearchesHelper
 	      # d2 = DateTime.new(year,12,31,23,59)
 	      case type
 	      when "category"
-	         t = Research.where(:year => year, :member_profile_id.in => mps, :project_type_id => nil).count rescue 0
+	         t = Research.where(:year => year.to_s, :member_profile_id.in => mps, :project_type_id => nil).count rescue 0
 	      end
 	     
 	      data["data"][year.to_s] = t
diff --git a/app/views/admin/researchs/download_excel.xlsx.axlsx b/app/views/admin/researchs/download_excel.xlsx.axlsx
index be80621..0a1882d 100644
--- a/app/views/admin/researchs/download_excel.xlsx.axlsx
+++ b/app/views/admin/researchs/download_excel.xlsx.axlsx
@@ -39,7 +39,7 @@ wb = xlsx_package.workbook
 		sheet.add_row row, :style => heading
 
 		data.each do |proj|
-		    row = [proj.member_profile.name]
+		    row = [(proj.member_profile_id.class == Array ? proj.member_profile_id.map{|member_id| MemberProfile.find(member_id).name rescue ""} : [proj.member_profile.name])]
 		    @site_in_use_locales.each do |locale|
 		    	row << proj.research_title_translations[locale.to_s]
 		    end