补充修改

src/main/resources/mapper/digitalwater/WaterConservancyViewMapper.xml

@@ -159,7 +159,7 @@
                 ${params.dataScope}
             </where>
         ) t
-        LEFT JOIN onest_system.sys_dept d ON find_in_set( d.dept_id, t.ancestors )
+        LEFT JOIN ${database_system}.sys_dept d ON find_in_set( d.dept_id, t.ancestors )
         GROUP BY t.name
         order by t.sort, t.createTime desc
     </select>