diff --git a/app/validate/merchant/MerchantUpdateValidate.php b/app/validate/merchant/MerchantUpdateValidate.php
index cb83d3b7..a7381948 100644
--- a/app/validate/merchant/MerchantUpdateValidate.php
+++ b/app/validate/merchant/MerchantUpdateValidate.php
@@ -29,7 +29,7 @@ class MerchantUpdateValidate extends Validate
         'mer_address|店铺地址' => 'require|max:128',
         'long|店铺经度' => 'max:24',
         'lat|店铺纬度' => 'max:24',
-        'interest_rate|利率' => 'min:0.009|max:0.101',
+        'interest_rate|利率' => 'egt:0.01|elt:0.1',
         'settle_cycle|结算周期' => 'min:15|max:90',
     ];