diff --git a/app/views/polls/commit_result.xlsx.axlsx b/app/views/polls/commit_result.xlsx.axlsx
index be27d73c5..f949af10a 100644
--- a/app/views/polls/commit_result.xlsx.axlsx
+++ b/app/views/polls/commit_result.xlsx.axlsx
@@ -30,19 +30,19 @@ wb.styles do |s|
           sheet_answer_row.push(answer_users_count)
           sheet_answer_percent.push(answer_percent.to_s)
         end
-        sheet.add_row sheet_row, :style => blue_cell
-        sheet.add_row sheet_answer_row, :style => sz_all
-        sheet.add_row sheet_answer_percent, :style => sz_all
-        sheet.add_row sheet_answer_useful, :style => sz_all
+        sheet.add_row sheet_row, :height =>20,:style => blue_cell
+        sheet.add_row sheet_answer_row, :height =>20, :style => sz_all
+        sheet.add_row sheet_answer_percent, :height =>20, :style => sz_all
+        sheet.add_row sheet_answer_useful, :height =>20, :style => sz_all
         #合并单元格，但无法填充style
         # sheet.merge_cells (Axlsx::cell_r(1,sheet.rows.last.row_index) + ':' + Axlsx::cell_r(sheet_row.count-1,sheet.rows.last.row_index))
         # sheet.rows[sheet.rows.last.row_index].style = sz_all
         sheet.add_row []
       else  #主观题答案
         main_show_row = ["第#{q.question_number}题",q.question_title]
-        sheet.add_row main_show_row, :style => blue_cell
+        sheet.add_row main_show_row,:height =>20, :style => blue_cell
         q.poll_votes.each do |v|  #主观题的答案
-          sheet.add_row ["",v.vote_text.present? ? v.vote_text : "--"], :style => sz_all
+          sheet.add_row ["",v.vote_text.present? ? v.vote_text : "--"],:height =>20, :style => sz_all
         end
         sheet.add_row [], :style => sz_all
       end
@@ -86,7 +86,7 @@ wb.styles do |s|
         user_cell += [user_login,user_name, u_user.mail, user_student_id]
       end
       all_user_cell = user_cell + user_answer_array
-      sheet.add_row all_user_cell, :style => sz_all
+      sheet.add_row all_user_cell, :height =>20,:style => sz_all
     end
     sheet.column_widths *([25]*sheet.column_info.count)
     sheet.column_info.first.width = 10