diff --git a/convention.php b/convention.php
index 33201d2e..fa1409cb 100644
--- a/convention.php
+++ b/convention.php
@@ -152,6 +152,7 @@ return [
 
     // 是否启用多状态数据库配置 如果启用的话 需要跟随app_status配置不同的数据库信息
     'use_db_switch'         => false,
+    'db_fields_strict'      => true,
     'database'              => [
         // 数据库类型
         'type'        => 'mysql',
diff --git a/library/think/Model.php b/library/think/Model.php
index 9e0a9302..c2cce2c2 100644
--- a/library/think/Model.php
+++ b/library/think/Model.php
@@ -195,6 +195,9 @@ class Model
         if (!empty($fields)) {
             foreach ($data as $key => $val) {
                 if (!in_array($key, $fields, true)) {
+                    if (Config::get('db_fields_strict')) {
+                        throw new Exception(' fields not exists :[' . $key . '=>' . $val . ']');
+                    }
                     unset($data[$key]);
                 } elseif (is_scalar($val) && empty($this->options['bind'][':' . $key])) {
                     // 字段类型检查