diff --git a/src/main/resources/mybatis/datasource/tbIron/TbIronPlcMapper.xml b/src/main/resources/mybatis/datasource/tbIron/TbIronPlcMapper.xml
index 39aa647..f563480 100644
--- a/src/main/resources/mybatis/datasource/tbIron/TbIronPlcMapper.xml
+++ b/src/main/resources/mybatis/datasource/tbIron/TbIronPlcMapper.xml
@@ -186,6 +186,7 @@
             PLC_NAME = #{PLC_NAME, jdbcType=VARCHAR},
             PROCESSING_BATCH_ID = #{PROCESSING_BATCH_ID, jdbcType=VARCHAR},
             OVERVIEW_OF_ALERTS = #{OVERVIEW_OF_ALERTS, jdbcType=VARCHAR}
-        WHERE EQUIPMENT_ID = #{EQUIPMENT_ID, jdbcType=VARCHAR}
+        WHERE EQUIPMENT_ID = #{EQUIPMENT_ID, jdbcType=VARCHAR} AND TARGET_NAME = #{TARGET_NAME, jdbcType=VARCHAR}
+      AND  PLC_ID=#{PLC_ID, jdbcType=CHAR}
     </update>
 </mapper>