diff --git a/application/admin/library/traits/Backend.php b/application/admin/library/traits/Backend.php
index 4e2627d8ec18f8a6ca55160051d96842bf5b2980..829fa1216eb4491c0f2fa00e396a19cec936f32f 100644
--- a/application/admin/library/traits/Backend.php
+++ b/application/admin/library/traits/Backend.php
@@ -343,7 +343,7 @@ trait Backend
         {
             for ($currentColumn = 0; $currentColumn < $maxColumnNumber; $currentColumn++)
             {
-                $val = $currentSheet->getCellByColumnAndRow($currentColumn, $currentRow)->getValue();
+                $val = $currentSheet->getCellByColumnAndRow($currentColumn, $currentRow)->getCalculatedValue();
                 $fields[] = $val;
             }
         }
@@ -353,7 +353,7 @@ trait Backend
             $values = [];
             for ($currentColumn = 0; $currentColumn < $maxColumnNumber; $currentColumn++)
             {
-                $val = $currentSheet->getCellByColumnAndRow($currentColumn, $currentRow)->getValue();
+                $val = $currentSheet->getCellByColumnAndRow($currentColumn, $currentRow)->getCalculatedValue();
                 $values[] = is_null($val) ? '' : $val;
             }
             $row = [];
diff --git a/application/config.php b/application/config.php
index 96299e93ff36a1da25514f76369e9f41b43a1f42..3f165de6ce49f05d01bc1633c4cd4b136b9a867b 100755
--- a/application/config.php
+++ b/application/config.php
@@ -234,9 +234,9 @@ return [
         //使用中文验证码
         'useZh'    => false,
         // 验证码图片高度
-        'imageH'   => 30,
+        'imageH'   => 40,
         // 验证码图片宽度
-        'imageW'   => 100,
+        'imageW'   => 130,
         // 验证码位数
         'length'   => 4,
         // 验证成功后是否重置