diff --git a/src/main/java/com/gxwebsoft/common/system/mapper/xml/TenantMapper.xml b/src/main/java/com/gxwebsoft/common/system/mapper/xml/TenantMapper.xml
index 8391424..6f770d0 100644
--- a/src/main/java/com/gxwebsoft/common/system/mapper/xml/TenantMapper.xml
+++ b/src/main/java/com/gxwebsoft/common/system/mapper/xml/TenantMapper.xml
@@ -7,7 +7,16 @@
         SELECT a.*,b.company_name,b.company_logo as logo,b.admin_url,b.domain,b.free_domain,c.phone,c.username
         FROM sys_tenant a
         LEFT JOIN sys_company b ON a.tenant_id = b.tenant_id
-        LEFT JOIN sys_user c ON a.user_id = c.user_id
+        LEFT JOIN (
+            SELECT tenant_id, phone, username
+            FROM (
+                SELECT tenant_id, phone, username,
+                       ROW_NUMBER() OVER(PARTITION BY tenant_id ORDER BY user_id) AS rn
+                FROM sys_user
+                WHERE is_admin = 1 AND deleted = 0
+            ) t
+            WHERE rn = 1
+        ) c ON a.tenant_id = c.tenant_id
         <where>
             <if test="param.tenantId != null">
                 AND a.tenant_id = #{param.tenantId}