diff --git a/zhctproject/store/application/p/logic/SportEducation.php b/private/tmp/cdx-store-sport-archive-20261010/source/application/p/logic/SportEducation.php
index a0243b1..c0b8231 100644
--- a/zhctproject/store/application/p/logic/SportEducation.php
+++ b/private/tmp/cdx-store-sport-archive-20261010/source/application/p/logic/SportEducation.php
@@ -58,7 +58,7 @@ class SportEducation{
             //获取uuid
             $params['uuid'] = guid();
             $params['create_time'] = date('Y-m-d H:i:s');
-            $params['create_by']   = $user_uuid;
+            $params['create_by'] = self::normalizeCreateBy($user_uuid, ltrim((string)\think\Config::get('database.type'), '\\') === \app\cores\database\Dm::class);
             //模型处理
             $result = $this->model->insert($params);
             if (!$result) {
@@ -69,6 +69,12 @@ class SportEducation{
         }
         return array('code' => 0, 'message' => '添加成功');
     }
+    /** Preserve this legacy VARCHAR(32) field's observed non-strict MySQL truncation. */
+    private static function normalizeCreateBy(string $value, bool $isDm): string
+    {
+        return $isDm ? mb_substr($value, 0, 32, 'UTF-8') : $value;
+    }
+
     /**
      * 身运教关系单条记录
      * @name 张晓龙