diff --git a/app/controller/AdminZoneManage.php b/app/controller/AdminZoneManage.php
index 6efff1a..15b9276 100644
--- a/app/controller/AdminZoneManage.php
+++ b/app/controller/AdminZoneManage.php
@@ -87,9 +87,16 @@ class AdminZoneManage extends BaseController
                            ->order('amount','desc')
                            ->select()
                            ->toArray();
+            $num = '100';
             foreach ($list as &$item) {
-                $item['probability_str'] = ($item['probability'] * 100) .'%';
-                $item['probability'] = $item['probability'] * 100;
+                # 去除右边 0
+                $item['probability'] = rtrim($item['probability'],'0');
+                # 获取总共多少小数
+                $parts = explode(".", $item['probability']);
+                $length = strlen($parts[1]) -2;
+                # 截取小数点
+                $item['probability_str'] = bcmul($item['probability'],$num,$length) .'%';
+                $item['probability'] = bcmul($item['probability'],$num,$length);
                 $item['amount'] = round($item['amount']);
                 $item['amount_str'] = format_money($item['amount']);
                 $item['image'] = get_image_url($item['image']);