diff --git a/app/views/graduation_topics/export.xlsx.axlsx b/app/views/graduation_topics/export.xlsx.axlsx
index f1d7e8e74..ff5b58b11 100644
--- a/app/views/graduation_topics/export.xlsx.axlsx
+++ b/app/views/graduation_topics/export.xlsx.axlsx
@@ -15,7 +15,7 @@ wb.styles do |s|
     sheet.sheet_view.show_grid_lines = false
     sheet_title = table_columns
     sheet_title_c = sheet_title.count
-    sheet.add_row sheet_title, :style => bg_cell
+    sheet.add_row sheet_title, :style => bg_cell,:height => 15
     sheet["J1:L1"].each { |c| c.style = bg_db }
     sheet["M1:O1"].each { |c| c.style = bg_cc }
     sheet["P1:Q1"].each { |c| c.style = bg_d2 }