diff --git a/plugins/Paypal/columns.php b/plugins/Paypal/columns.php
index cdb042a6..bd7188ab 100644
--- a/plugins/Paypal/columns.php
+++ b/plugins/Paypal/columns.php
@@ -15,14 +15,15 @@ return [
         'label' => 'Sandbox Client ID',
         'type' => 'string',
         'required' => true,
-        'rules' => 'required|min:3|max:5',
+        'rules' => 'required|size:80',
         'description' => '沙盒模式 Client ID',
     ],
     [
-        'name' => 'sandbox_Secret',
+        'name' => 'sandbox_secret',
         'label' => 'Sandbox Secret',
         'type' => 'string',
         'required' => true,
+        'rules' => 'required|size:80',
         'description' => '沙盒模式 Secret',
     ],
     [
@@ -30,13 +31,15 @@ return [
         'label' => 'Live Client ID',
         'type' => 'string',
         'required' => true,
+        'rules' => 'required|size:80',
         'description' => '正式环境 Client ID',
     ],
     [
-        'name' => 'live_Secret',
+        'name' => 'live_secret',
         'label' => 'Live Secret',
         'type' => 'string',
         'required' => true,
+        'rules' => 'required|size:80',
         'description' => '正式环境 Secret',
     ],
     [