diff --git a/src/main/java/com/biutag/supervision/mapper/ModelClueDataMapper.java b/src/main/java/com/biutag/supervision/mapper/ModelClueDataMapper.java
index a4bb5b0..375a655 100644
--- a/src/main/java/com/biutag/supervision/mapper/ModelClueDataMapper.java
+++ b/src/main/java/com/biutag/supervision/mapper/ModelClueDataMapper.java
@@ -1,5 +1,6 @@
 package com.biutag.supervision.mapper;
 
+import com.baomidou.dynamic.datasource.annotation.DS;
 import com.baomidou.mybatisplus.core.mapper.BaseMapper;
 import com.biutag.supervision.pojo.entity.ModelClue;
 import org.apache.ibatis.annotations.Select;
@@ -7,6 +8,7 @@ import org.apache.ibatis.annotations.Select;
 import java.util.List;
 import java.util.Map;
 
+@DS("slave2")
 public interface ModelClueDataMapper extends BaseMapper<ModelClue> {
 
     @Select("${sql}")
diff --git a/src/main/java/com/biutag/supervision/pojo/entity/ModelClue.java b/src/main/java/com/biutag/supervision/pojo/entity/ModelClue.java
index 77495c0..2a6735d 100644
--- a/src/main/java/com/biutag/supervision/pojo/entity/ModelClue.java
+++ b/src/main/java/com/biutag/supervision/pojo/entity/ModelClue.java
@@ -67,7 +67,4 @@ public class ModelClue {
     @TableField("unique_key")
     private String uniqueKey;
 
-    // 问题ID
-    private String negativeId;
-
 }
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