fix

app/views/ecs/graduation_course_supports/show.xlsx.axlsx

@@ -11,7 +11,7 @@ wb.styles do |style|
   ec_year_style = style.add_style(sz: 10, height: 14)
   label_style = style.add_style(sz: 11, b: true, bg_color: '90EE90', alignment: { horizontal: :center }, border: { style: :thin, color: '000000' })
   content_style = style.add_style(sz: 11, height: 16, border: { style: :thin, color: '000000' })
-  tip_style = style.add_style(sz: 11, height: 16, color: 'FFA07A')
+  tip_style = style.add_style(sz: 11, height: 16, color: '#FFA07A')
 
   wb.add_worksheet(:name => '课程体系对毕业要求的支撑') do |sheet|
     sheet.add_row ['课程体系VS毕业要求'], style: title_style