diff --git a/src/Log/Request.php b/src/Log/Request.php
index a0ac1a1..7ae6c0a 100644
--- a/src/Log/Request.php
+++ b/src/Log/Request.php
@@ -41,11 +41,11 @@ public function behaviors(): array
     public function rules(): array
     {
         return [
-            [['method', 'uri', 'headers', 'body',], 'required',],
+            [['method', 'uri', 'headers',], 'required',],
             [['method',], 'string', 'max' => 6,],
             [['method',], 'filter', 'filter' => 'mb_strtoupper',],
             [['uri',], 'string',],
-            [['headers',], 'each', 'rule' => ['each', 'rule' => 'string',],],
+            [['headers',], 'each', 'rule' => ['each', 'rule' => ['string'],],],
             [['body',], 'string',],
         ];
     }
diff --git a/src/Log/Response.php b/src/Log/Response.php
index 136b284..2a83821 100644
--- a/src/Log/Response.php
+++ b/src/Log/Response.php
@@ -45,11 +45,11 @@ public function behaviors(): array
     public function rules(): array
     {
         return [
-            [['http_request_id', 'status', 'headers', 'body',], 'required',],
+            [['http_request_id', 'status', 'headers',], 'required',],
             [['http_request_id',], 'exist', 'targetRelation' => 'request',],
             [['http_request_id',], 'unique',],
             [['status',], 'integer', 'min' => 100, 'max' => 599,],
-            [['headers',], 'each', 'rule' => ['each', 'rule' => 'string',],],
+            [['headers',], 'each', 'rule' => ['each', 'rule' => ['string'],],],
             [['body',], 'string',],
         ];
     }