update:set

application/exception/custom/DistributorException.php

@@ -34,5 +34,6 @@ class DistributorException extends BaseException
         15 => '活动id不能能为空',
         16 => '商品id不能能为空',
         17 => '验证码不正确或过期',
+        18 => '自己不能成为自己的下线',
     ];
 }
\ No newline at end of file

application/services/marketing/DistributorService.php

@@ -222,6 +222,10 @@ class DistributorService
             throw new DistributorException(['cus'=>7]);
         }
 
+        if ($jwUserId == $shareUserId) {
+            throw new DistributorException(['cus' => 18]);
+        }
+        
         $info = Distributor::getRecord(['user_id' => $jwUserId]);
         if (!empty($info) && $info['parent_user_id'] > 0) {
             throw new DistributorException(['cus'=>8]);