diff --git a/cs-device/cs-device-boot/src/main/java/com/njcn/csdevice/mapper/OverlimitMapper.java b/cs-device/cs-device-boot/src/main/java/com/njcn/csdevice/mapper/OverlimitMapper.java
index 011903d..64d50b5 100644
--- a/cs-device/cs-device-boot/src/main/java/com/njcn/csdevice/mapper/OverlimitMapper.java
+++ b/cs-device/cs-device-boot/src/main/java/com/njcn/csdevice/mapper/OverlimitMapper.java
@@ -1,8 +1,10 @@
 package com.njcn.csdevice.mapper;
 
 
+import com.baomidou.dynamic.datasource.annotation.DS;
 import com.baomidou.mybatisplus.core.mapper.BaseMapper;
 import com.njcn.device.biz.pojo.po.Overlimit;
+import org.apache.ibatis.annotations.Mapper;
 
 
 /**
@@ -13,6 +15,8 @@ import com.njcn.device.biz.pojo.po.Overlimit;
  * @author cdf
  * @since 2022-01-04
  */
+@DS("sjzx")
+@Mapper
 public interface OverlimitMapper extends BaseMapper<Overlimit> {
 
 }