diff --git a/YLErpWeb/Views/ExchangeTrade/SpreadSetting.cshtml b/YLErpWeb/Views/ExchangeTrade/SpreadSetting.cshtml
index b53ea700..f47bdeba 100644
--- a/YLErpWeb/Views/ExchangeTrade/SpreadSetting.cshtml
+++ b/YLErpWeb/Views/ExchangeTrade/SpreadSetting.cshtml
@@ -113,7 +113,7 @@
             var $formGroup = $input.closest('.form-group');
             $formGroup.find('.text-danger').remove();
             if (!!`${value}`.trim() && !/^-?\d+$/.test(`${Number(value)}`)) {
-              $formGroup.append('<div class="text-danger">只允许输入整数</div>');  
+              $formGroup.append('<div class="text-danger small">只允许输入整数</div>');
               return false
             }
             return true