diff --git a/app/command/brand.php b/app/command/brand.php
index e95d9ee..b914e08 100644
--- a/app/command/brand.php
+++ b/app/command/brand.php
@@ -97,7 +97,7 @@ class brand extends Command
                 //用户总贡献值 = 当前总贡献值+昨日的品宣贡献值
                 $all_value = $brandGongxian + $v['all_value'];
 
-                $growth_num = bcdiv($all_value, $v['growth_rate'], 2);
+                $growth_num = bcdiv((string)$all_value, (string)$v['growth_rate'], 2);
                 userModel::getDB()
                     ->where('uid', $v['uid'])
                     ->update([