优化sql

src/main/resources/mapper/KlDiagnoseMapper.xml

@@ -209,7 +209,7 @@
         ON dibas.basid = dico.diagnose_base_id
     </select>
     <select id="findDiaNameAll" resultType="com.diagbot.dto.DiagnosesFindDTO">
-        SELECT
+        SELECT DISTINCT
         con.id as conceptId,
         con.lib_name as conceptName
         FROM