diff --git a/application/controllers/Api/Squirrel.php b/application/controllers/Api/Squirrel.php
index fedfe42..fb914a8 100644
--- a/application/controllers/Api/Squirrel.php
+++ b/application/controllers/Api/Squirrel.php
@@ -374,7 +374,7 @@ class Api_SquirrelController extends Ctrl_Api{
         //查询幼鼠信息
         $NSdata = $this->NewSquirrelmodel->getOneInfo($id);
         //判断编号数量和小鼠数量是否相同
-        if($NSdata['count']!=($end-$start)) Tool_Fnc::apiMsg('编号数量小于剪尾鼠', '500');
+        if($NSdata['count']!=($end-$start)+1) Tool_Fnc::apiMsg('编号数量小于剪尾鼠', '500');
         unset($NSdata['count']);
         unset($NSdata['id']);
         unset($NSdata['cage']);