diff --git a/app/Listener/ValidatorFactoryResolvedListener.php b/app/Listener/ValidatorFactoryResolvedListener.php
index d725d26..028980e 100644
--- a/app/Listener/ValidatorFactoryResolvedListener.php
+++ b/app/Listener/ValidatorFactoryResolvedListener.php
@@ -39,7 +39,7 @@ class ValidatorFactoryResolvedListener implements ListenerInterface
 
         // 注册了 strlen 验证器规则
         $validatorFactory->extend('strlen', function ($attribute, $value, $parameters, $validator) {
-            return strlen($value)>=$parameters[0] && strlen($value)<=$parameters[1];
+            return mb_strlen($value)>=$parameters[0] && mb_strlen($value)<=$parameters[1];
         });
 
         // 注册了 base64 验证器规则
diff --git a/app/Request/EvaluateRequest.php b/app/Request/EvaluateRequest.php
index 03f6e95..eb21715 100644
--- a/app/Request/EvaluateRequest.php
+++ b/app/Request/EvaluateRequest.php
@@ -44,7 +44,7 @@ class EvaluateRequest extends FormRequest
             'c_attitude.*' => ':attribute信息不正确',
             'c_service.*' => ':attribute信息不正确',
             'c_quality.*' => ':attribute信息不正确',
-            'content.between' => ':attribute字数限制在:min~:max字',
+            'content.strlen' => ':attribute字数限制在:min~:max字',
             'content.*' => ':attribute信息不正确',
         ];
     }