diff --git a/ruoyi-ccdi/src/main/java/com/ruoyi/ccdi/mapper/CcdiBizIntermediaryMapper.java b/ruoyi-ccdi/src/main/java/com/ruoyi/ccdi/mapper/CcdiBizIntermediaryMapper.java
new file mode 100644
index 0000000..476fbdb
--- /dev/null
+++ b/ruoyi-ccdi/src/main/java/com/ruoyi/ccdi/mapper/CcdiBizIntermediaryMapper.java
@@ -0,0 +1,16 @@
+package com.ruoyi.ccdi.mapper;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.ruoyi.ccdi.domain.CcdiBizIntermediary;
+import org.apache.ibatis.annotations.Mapper;
+
+/**
+ * 个人中介Mapper接口
+ *
+ * @author ruoyi
+ * @date 2026-02-04
+ */
+@Mapper
+public interface CcdiBizIntermediaryMapper extends BaseMapper<CcdiBizIntermediary> {
+
+}
diff --git a/ruoyi-ccdi/src/main/java/com/ruoyi/ccdi/mapper/CcdiEnterpriseBaseInfoMapper.java b/ruoyi-ccdi/src/main/java/com/ruoyi/ccdi/mapper/CcdiEnterpriseBaseInfoMapper.java
new file mode 100644
index 0000000..0fc875f
--- /dev/null
+++ b/ruoyi-ccdi/src/main/java/com/ruoyi/ccdi/mapper/CcdiEnterpriseBaseInfoMapper.java
@@ -0,0 +1,16 @@
+package com.ruoyi.ccdi.mapper;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.ruoyi.ccdi.domain.CcdiEnterpriseBaseInfo;
+import org.apache.ibatis.annotations.Mapper;
+
+/**
+ * 实体中介Mapper接口
+ *
+ * @author ruoyi
+ * @date 2026-02-04
+ */
+@Mapper
+public interface CcdiEnterpriseBaseInfoMapper extends BaseMapper<CcdiEnterpriseBaseInfo> {
+
+}
diff --git a/ruoyi-ccdi/src/main/resources/mapper/ccdi/CcdiIntermediaryMapper.xml b/ruoyi-ccdi/src/main/resources/mapper/ccdi/CcdiIntermediaryMapper.xml
new file mode 100644
index 0000000..e67d922
--- /dev/null
+++ b/ruoyi-ccdi/src/main/resources/mapper/ccdi/CcdiIntermediaryMapper.xml
@@ -0,0 +1,60 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<!DOCTYPE mapper
+PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
+"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="com.ruoyi.ccdi.mapper.CcdiBizIntermediaryMapper">
+
+    <!--
+        统一列表联合查询
+        使用UNION ALL联合查询个人中介和实体中介
+        支持按中介类型、姓名、证件号筛选
+    -->
+    <select id="selectIntermediaryList" resultType="com.ruoyi.ccdi.domain.vo.CcdiIntermediaryVO">
+        <!-- 查询个人中介 -->
+        SELECT
+            biz_id as id,
+            name,
+            person_id as certificate_no,
+            '1' as intermediary_type,
+            person_type,
+            company,
+            data_source,
+            create_time
+        FROM ccdi_biz_intermediary
+        WHERE person_type = '中介'
+        <if test="intermediaryType == null or intermediaryType == '1'">
+            <if test="name != null and name != ''">
+                AND name LIKE CONCAT('%', #{name}, '%')
+            </if>
+            <if test="certificateNo != null and certificateNo != ''">
+                AND person_id = #{certificateNo}
+            </if>
+        </if>
+
+        UNION ALL
+
+        <!-- 查询实体中介 -->
+        SELECT
+            social_credit_code as id,
+            enterprise_name as name,
+            social_credit_code as certificate_no,
+            '2' as intermediary_type,
+            '实体' as person_type,
+            enterprise_name as company,
+            data_source,
+            create_time
+        FROM ccdi_enterprise_base_info
+        WHERE risk_level = '1' AND ent_source = 'INTERMEDIARY'
+        <if test="intermediaryType == null or intermediaryType == '2'">
+            <if test="name != null and name != ''">
+                AND enterprise_name LIKE CONCAT('%', #{name}, '%')
+            </if>
+            <if test="certificateNo != null and certificateNo != ''">
+                AND social_credit_code = #{certificateNo}
+            </if>
+        </if>
+
+        ORDER BY create_time DESC
+    </select>
+
+</mapper>