diff --git a/src/main/resources/mapper/sampleManagement/TechnicalSpecificationMapper.xml b/src/main/resources/mapper/sampleManagement/TechnicalSpecificationMapper.xml
index dec06cc2..87114a7a 100644
--- a/src/main/resources/mapper/sampleManagement/TechnicalSpecificationMapper.xml
+++ b/src/main/resources/mapper/sampleManagement/TechnicalSpecificationMapper.xml
@@ -262,7 +262,9 @@
                  inner join AccessRole r on r.username = a.username and r.role_no = #{roleNo}
              </if>
     where b.bu_no = #{buNo}
+    <if test="roleNo != null and roleNo != ''">
       and b.site = #{site}
+    </if>
       and r.site = #{site}
     order by a.username desc
 </select>