diff --git a/ruoyi-system/src/main/resources/mapper/system/SysDeptMapper.xml b/ruoyi-system/src/main/resources/mapper/system/SysDeptMapper.xml
index 02fddc5..324dbaa 100644
--- a/ruoyi-system/src/main/resources/mapper/system/SysDeptMapper.xml
+++ b/ruoyi-system/src/main/resources/mapper/system/SysDeptMapper.xml
@@ -66,7 +66,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
 	</select>
     
     <select id="checkDeptExistUser" parameterType="Long" resultType="int">
-		select count(1) from sys_user where dept_id = #{deptId} and del_flag = '0'
+		select count(1) from ${prefix}sys_user where dept_id = #{deptId} and del_flag = '0'
 	</select>
 	
 	<select id="hasChildByDeptId" parameterType="Long" resultType="int">