diff --git a/ccdi-project/src/main/java/com/ruoyi/ccdi/project/mapper/CcdiFundGraphMapper.java b/ccdi-project/src/main/java/com/ruoyi/ccdi/project/mapper/CcdiFundGraphMapper.java
index 6de311f2..051196b9 100644
--- a/ccdi-project/src/main/java/com/ruoyi/ccdi/project/mapper/CcdiFundGraphMapper.java
+++ b/ccdi-project/src/main/java/com/ruoyi/ccdi/project/mapper/CcdiFundGraphMapper.java
@@ -20,6 +20,10 @@ public interface CcdiFundGraphMapper {
 
     List<CcdiFundGraphNodeVO> selectFundGraphSubjects(@Param("query") CcdiFundGraphQueryDTO query);
 
+    List<CcdiFundGraphNodeVO> selectFundGraphSubjectsByExactKeyword(@Param("query") CcdiFundGraphQueryDTO query);
+
+    List<CcdiFundGraphNodeVO> selectFundGraphSubjectsByName(@Param("query") CcdiFundGraphQueryDTO query);
+
     List<CcdiFundGraphEdgeVO> selectFundGraphEdges(@Param("query") CcdiFundGraphQueryDTO query);
 
     List<CcdiFundGraphEdgeVO> selectFundGraphManualEdges(@Param("query") CcdiFundGraphQueryDTO query);
diff --git a/ccdi-project/src/main/java/com/ruoyi/ccdi/project/service/impl/CcdiFundGraphServiceImpl.java b/ccdi-project/src/main/java/com/ruoyi/ccdi/project/service/impl/CcdiFundGraphServiceImpl.java
index e93c643b..7c87eab5 100644
--- a/ccdi-project/src/main/java/com/ruoyi/ccdi/project/service/impl/CcdiFundGraphServiceImpl.java
+++ b/ccdi-project/src/main/java/com/ruoyi/ccdi/project/service/impl/CcdiFundGraphServiceImpl.java
@@ -48,7 +48,7 @@ public class CcdiFundGraphServiceImpl implements ICcdiFundGraphService {
         if (isBlank(query.getKeyword()) && isBlank(query.getObjectKey())) {
             return Collections.emptyList();
         }
-        return fundGraphMapper.selectFundGraphSubjects(query);
+        return selectSubjects(query);
     }
 
     @Override
@@ -134,13 +134,30 @@ public class CcdiFundGraphServiceImpl implements ICcdiFundGraphService {
         if (isBlank(query.getObjectKey()) && isBlank(query.getKeyword())) {
             return null;
         }
-        List<CcdiFundGraphNodeVO> subjects = fundGraphMapper.selectFundGraphSubjects(query);
+        List<CcdiFundGraphNodeVO> subjects = selectSubjects(query);
         if (subjects == null || subjects.isEmpty()) {
             return null;
         }
         return subjects.get(0);
     }
 
+    private List<CcdiFundGraphNodeVO> selectSubjects(CcdiFundGraphQueryDTO query) {
+        if (query == null) {
+            return Collections.emptyList();
+        }
+        if (!isBlank(query.getObjectKey())) {
+            return fundGraphMapper.selectFundGraphSubjects(query);
+        }
+        if (isBlank(query.getKeyword())) {
+            return Collections.emptyList();
+        }
+        List<CcdiFundGraphNodeVO> exactSubjects = fundGraphMapper.selectFundGraphSubjectsByExactKeyword(query);
+        if (exactSubjects != null && !exactSubjects.isEmpty()) {
+            return exactSubjects;
+        }
+        return fundGraphMapper.selectFundGraphSubjectsByName(query);
+    }
+
     private List<CcdiFundGraphNodeVO> buildNodes(CcdiFundGraphNodeVO centerNode, List<CcdiFundGraphEdgeVO> edges) {
         Map<String, CcdiFundGraphNodeVO> nodeMap = new LinkedHashMap<>();
         Map<String, CcdiFundGraphNodeVO> subjectCache = new LinkedHashMap<>();
diff --git a/ccdi-project/src/main/resources/mapper/ccdi/project/CcdiFundGraphMapper.xml b/ccdi-project/src/main/resources/mapper/ccdi/project/CcdiFundGraphMapper.xml
index aa76e935..25e2806b 100644
--- a/ccdi-project/src/main/resources/mapper/ccdi/project/CcdiFundGraphMapper.xml
+++ b/ccdi-project/src/main/resources/mapper/ccdi/project/CcdiFundGraphMapper.xml
@@ -116,17 +116,79 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         INNER JOIN lx_fund_flow_subject_node to_subject
             ON CONCAT('idno_node/', to_subject.object_key) = to_own.from_key
         WHERE 1 = 1
-        <if test="query.objectKey != null and query.objectKey != ''">
-            AND (
-                from_subject.object_key = (#{query.objectKey} COLLATE utf8mb4_general_ci)
-                OR to_subject.object_key = (#{query.objectKey} COLLATE utf8mb4_general_ci)
-            )
-        </if>
         <include refid="detailFilter"/>
     </sql>
 
-    <select id="selectFundGraphSubjects" resultMap="FundGraphNodeResultMap">
+    <sql id="subjectJoinRowsByCenter">
         SELECT
+            d.object_key AS detailObjectKey,
+            d.bank_statement_id AS bankStatementId,
+            d.trx_date AS trxDate,
+            d.le_account_no AS leAccountNo,
+            d.le_account_name AS leAccountName,
+            d.customer_account_name AS customerAccountName,
+            d.customer_account_no AS customerAccountNo,
+            d.cash_type AS cashType,
+            d.user_memo AS userMemo,
+            d.amount,
+            d.flag AS direction,
+            d.family_relation_type AS familyRelationType,
+            center_subject.object_key AS fromObjectKey,
+            to_subject.object_key AS toObjectKey,
+            CONCAT('idno_node/', center_subject.object_key) AS fromKey,
+            CONCAT('idno_node/', to_subject.object_key) AS toKey,
+            center_subject.name AS fromName,
+            to_subject.name AS toName,
+            center_subject.idnocfno AS fromIdNo,
+            to_subject.idnocfno AS toIdNo
+        FROM lx_fund_flow_subject_node center_subject
+        INNER JOIN lx_fund_flow_own_account_edge from_own
+            ON from_own.from_key = CONCAT('idno_node/', center_subject.object_key)
+        INNER JOIN lx_fund_flow_detail_edge d
+            ON d.from_key = from_own.to_key
+        INNER JOIN lx_fund_flow_own_account_edge to_own
+            ON to_own.to_key = d.to_key
+        INNER JOIN lx_fund_flow_subject_node to_subject
+            ON to_subject.object_key = SUBSTRING(to_own.from_key, 11)
+        WHERE center_subject.object_key = (#{query.objectKey} COLLATE utf8mb4_general_ci)
+        <include refid="detailFilter"/>
+        UNION ALL
+        SELECT
+            d.object_key AS detailObjectKey,
+            d.bank_statement_id AS bankStatementId,
+            d.trx_date AS trxDate,
+            d.le_account_no AS leAccountNo,
+            d.le_account_name AS leAccountName,
+            d.customer_account_name AS customerAccountName,
+            d.customer_account_no AS customerAccountNo,
+            d.cash_type AS cashType,
+            d.user_memo AS userMemo,
+            d.amount,
+            d.flag AS direction,
+            d.family_relation_type AS familyRelationType,
+            from_subject.object_key AS fromObjectKey,
+            center_subject.object_key AS toObjectKey,
+            CONCAT('idno_node/', from_subject.object_key) AS fromKey,
+            CONCAT('idno_node/', center_subject.object_key) AS toKey,
+            from_subject.name AS fromName,
+            center_subject.name AS toName,
+            from_subject.idnocfno AS fromIdNo,
+            center_subject.idnocfno AS toIdNo
+        FROM lx_fund_flow_subject_node center_subject
+        INNER JOIN lx_fund_flow_own_account_edge to_own
+            ON to_own.from_key = CONCAT('idno_node/', center_subject.object_key)
+        INNER JOIN lx_fund_flow_detail_edge d
+            ON d.to_key = to_own.to_key
+        INNER JOIN lx_fund_flow_own_account_edge from_own
+            ON from_own.to_key = d.from_key
+        INNER JOIN lx_fund_flow_subject_node from_subject
+            ON from_subject.object_key = SUBSTRING(from_own.from_key, 11)
+        WHERE center_subject.object_key = (#{query.objectKey} COLLATE utf8mb4_general_ci)
+          AND from_subject.object_key != center_subject.object_key
+        <include refid="detailFilter"/>
+    </sql>
+
+    <sql id="fundGraphSubjectColumns">
             n.object_key AS objectKey,
             CONCAT('idno_node/', n.object_key) AS nodeKey,
             n.name AS nodeName,
@@ -165,28 +227,57 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
             0 AS depth,
             0 AS totalAmount,
             0 AS transactionCount
+    </sql>
+
+    <select id="selectFundGraphSubjects" resultMap="FundGraphNodeResultMap">
+        SELECT
+            <include refid="fundGraphSubjectColumns"/>
         FROM lx_fund_flow_subject_node n
-        WHERE 1 = 1
-        <if test="query.objectKey != null and query.objectKey != ''">
-            AND n.object_key = (#{query.objectKey} COLLATE utf8mb4_general_ci)
-        </if>
-        <if test="query.objectKey == null or query.objectKey == ''">
-            <if test="query.keyword != null and query.keyword != ''">
-                AND (
-                    n.idnocfno = (TRIM(#{query.keyword}) COLLATE utf8mb4_general_ci)
-                    OR n.name LIKE (CONCAT('%', TRIM(#{query.keyword}), '%') COLLATE utf8mb4_general_ci)
-                    OR n.object_key = (TRIM(#{query.keyword}) COLLATE utf8mb4_general_ci)
-                )
-            </if>
-        </if>
+        WHERE n.object_key = (#{query.objectKey} COLLATE utf8mb4_general_ci)
+    </select>
+
+    <select id="selectFundGraphSubjectsByExactKeyword" resultMap="FundGraphNodeResultMap">
+        SELECT exact_rows.*
+        FROM (
+            SELECT
+                <include refid="fundGraphSubjectColumns"/>,
+                0 AS matchOrder
+            FROM lx_fund_flow_subject_node n
+            WHERE n.idnocfno = (TRIM(#{query.keyword}) COLLATE utf8mb4_general_ci)
+            UNION ALL
+            SELECT
+                <include refid="fundGraphSubjectColumns"/>,
+                1 AS matchOrder
+            FROM lx_fund_flow_subject_node n
+            WHERE n.object_key = (TRIM(#{query.keyword}) COLLATE utf8mb4_general_ci)
+              AND (
+                n.idnocfno IS NULL
+                OR n.idnocfno != (TRIM(#{query.keyword}) COLLATE utf8mb4_general_ci)
+              )
+        ) exact_rows
+        ORDER BY exact_rows.matchOrder, exact_rows.nodeName
+        LIMIT
+        <choose>
+            <when test="query.limit != null and query.limit > 0">
+                #{query.limit}
+            </when>
+            <otherwise>
+                20
+            </otherwise>
+        </choose>
+    </select>
+
+    <select id="selectFundGraphSubjectsByName" resultMap="FundGraphNodeResultMap">
+        SELECT
+            <include refid="fundGraphSubjectColumns"/>
+        FROM lx_fund_flow_subject_node n
+        WHERE n.name LIKE (CONCAT('%', TRIM(#{query.keyword}), '%') COLLATE utf8mb4_general_ci)
         ORDER BY
             CASE
-                WHEN n.idnocfno = (TRIM(IFNULL(#{query.keyword}, '')) COLLATE utf8mb4_general_ci) THEN 0
-                WHEN n.object_key = (TRIM(IFNULL(#{query.keyword}, '')) COLLATE utf8mb4_general_ci) THEN 1
-                WHEN n.staff_id IS NOT NULL AND TRIM(n.staff_id) != '' THEN 2
-                WHEN UPPER(IFNULL(n.source_type, '')) LIKE '%EMPLOYEE%' THEN 2
-                WHEN n.source_type LIKE '%员工%' THEN 2
-                ELSE 3
+                WHEN n.staff_id IS NOT NULL AND TRIM(n.staff_id) != '' THEN 0
+                WHEN UPPER(IFNULL(n.source_type, '')) LIKE '%EMPLOYEE%' THEN 0
+                WHEN n.source_type LIKE '%员工%' THEN 0
+                ELSE 1
             END,
             n.name
         LIMIT
@@ -247,7 +338,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
                 ELSE 0
             END AS canTrace
         FROM (
-            <include refid="subjectJoinRows"/>
+            <include refid="subjectJoinRowsByCenter"/>
         ) graph_rows
         WHERE 1 = 1
         GROUP BY
diff --git a/docs/reports/implementation/2026-06-01-restore-graph-external-link.md b/docs/reports/implementation/2026-06-01-restore-graph-external-link.md
new file mode 100644
index 00000000..7e3eebbd
--- /dev/null
+++ b/docs/reports/implementation/2026-06-01-restore-graph-external-link.md
@@ -0,0 +1,20 @@
+# 图谱展示恢复外链版本实施记录
+
+## 基本信息
+
+- 实施日期：2026-06-01
+- 实施分支：dev
+- 恢复前版本保存分支：codex/save-dev-current-graph
+- 影响范围：项目详情专项排查页图谱展示区域
+
+## 修改内容
+
+- 将专项排查页 `SpecialCheck.vue` 的图谱展示组件从内置资金图谱 `FundGraphSection` 恢复为外链图谱组件 `GraphAtlasSection`。
+- 保留员工家庭资产负债数据为空时的空状态展示，同时在空状态下继续展示外链图谱查询入口。
+- 保持扩展查询区域仍位于专项排查主体内容之后。
+
+## 验证情况
+
+- 已执行 `git diff --check`，未发现空白字符问题。
+- 已通过 `nvm use` 切换到 Node `v14.21.3`，执行 `npm run build:prod` 通过。
+- 构建过程存在前端项目既有资源体积告警，不影响本次恢复外链图谱展示的打包结果。
diff --git a/docs/reports/implementation/2026-06-02-fund-graph-timeout-optimization.md b/docs/reports/implementation/2026-06-02-fund-graph-timeout-optimization.md
new file mode 100644
index 00000000..9c0249a6
--- /dev/null
+++ b/docs/reports/implementation/2026-06-02-fund-graph-timeout-optimization.md
@@ -0,0 +1,79 @@
+# 资金流图谱接口超时优化实施记录
+
+## 背景
+
+- 生产反馈：资金流图谱页面请求 `/ccdi/project/fund-graph/graph` 出现接口超时。
+- 截图中的请求参数为 `keyword=330781199401056317`，属于身份证号精确查询场景。
+- 生产数据量约 61 万主体时，原主体定位 SQL 将身份证精确匹配、姓名模糊匹配、`object_key` 精确匹配混在同一个 `OR` 条件内，并叠加 `ORDER BY CASE`，容易导致优化器选择低效执行计划。
+
+## 修改内容
+
+1. 拆分主体定位查询：
+   - 文件：`ccdi-project/src/main/java/com/ruoyi/ccdi/project/mapper/CcdiFundGraphMapper.java`
+   - 文件：`ccdi-project/src/main/resources/mapper/ccdi/project/CcdiFundGraphMapper.xml`
+   - 新增 `selectFundGraphSubjectsByExactKeyword`，只查询 `idnocfno = keyword` 与 `object_key = keyword`。
+   - 新增 `selectFundGraphSubjectsByName`，仅在精确查询无结果后再执行 `name LIKE '%keyword%'`。
+   - `selectFundGraphSubjects` 保留为 `object_key` 主键查询，不再执行额外排序。
+
+2. 调整 Service 调用顺序：
+   - 文件：`ccdi-project/src/main/java/com/ruoyi/ccdi/project/service/impl/CcdiFundGraphServiceImpl.java`
+   - `/search` 与 `/graph` 的中心节点解析统一走 `selectSubjects`。
+   - 有 `objectKey` 时直接主键查询。
+   - 无 `objectKey` 且有 `keyword` 时，先精确查询；精确命中后直接返回，不再执行姓名模糊查询。
+
+3. 优化图谱边查询入口：
+   - 文件：`ccdi-project/src/main/resources/mapper/ccdi/project/CcdiFundGraphMapper.xml`
+   - 新增 `subjectJoinRowsByCenter`，将“中心主体作为起点”和“中心主体作为终点”拆为两段 `UNION ALL`。
+   - `selectFundGraphEdges` 改为引用 `subjectJoinRowsByCenter`，避免在主体表两侧使用 `from_subject.object_key OR to_subject.object_key` 作为过滤入口。
+
+## 影响范围
+
+- 资金流图谱主体搜索：`GET /ccdi/project/fund-graph/search`
+- 资金流图谱查询：`GET /ccdi/project/fund-graph/graph`
+- 边明细查询 `GET /ccdi/project/fund-graph/edge-detail` 仍使用原明细 SQL 片段，未改变入参和返回结构。
+- 本次未新增数据库字段或索引脚本；现有 DDL 中已包含 `lx_fund_flow_subject_node.idnocfno`、`name` 和 `object_key` 相关索引。
+
+## 验证情况
+
+- 已通过静态断言确认：
+  - Mapper 与 XML 已新增精确查询和姓名查询方法。
+  - XML 中已移除 `OR n.name LIKE` 的精确/模糊混用形态。
+  - `selectFundGraphEdges` 已引用 `subjectJoinRowsByCenter` 且包含 `UNION ALL`。
+- 已通过 XML 格式检查：
+  - `xmllint --noout ccdi-project/src/main/resources/mapper/ccdi/project/CcdiFundGraphMapper.xml`
+- 已通过 MyBatis XML 解析和 SQL 渲染临时检查：
+  - `selectFundGraphSubjectsByExactKeyword`
+  - `selectFundGraphSubjectsByName`
+  - `selectFundGraphEdges`
+- 已通过源码编译：
+  - `mvn -pl ccdi-project -am -DskipTests compile`
+
+## 验证阻断说明
+
+- 直接执行 `mvn -pl ccdi-project -DskipTests compile` 会使用本地仓库中的旧依赖模块，出现既有签名不一致错误；使用 `-am` 联编依赖模块后通过。
+- 直接执行 `mvn -pl ccdi-project -Dtest=CcdiFundGraphTimeoutOptimizationTest test` 时，测试编译阶段被既有无关测试源码阻断，未进入本次临时测试断言：
+  - `CcdiBankStatementTest` 仍引用 `BankStatementItem#setCustomerCertNo`、`setCustomerSocialCreditCode`。
+  - `CcdiFileUploadServiceImplTest` 仍按旧的 `LsfxAnalysisClient.uploadFile(Integer, Object, String)` 签名编写。
+
+## 生产核对建议
+
+- 发布后用生产超时样例身份证号重新请求 `/ccdi/project/fund-graph/graph`，核对接口耗时与返回图谱中心节点。
+- 如生产库是历史库，先确认以下索引存在：
+
+```sql
+SHOW INDEX FROM lx_fund_flow_subject_node WHERE Key_name IN (
+  'PRIMARY',
+  'idx_lx_fund_flow_subject_idnocfno',
+  'idx_lx_fund_flow_subject_name'
+);
+
+SHOW INDEX FROM lx_fund_flow_own_account_edge WHERE Key_name IN (
+  'idx_lx_fund_flow_own_from_key',
+  'idx_lx_fund_flow_own_to_key'
+);
+
+SHOW INDEX FROM lx_fund_flow_detail_edge WHERE Key_name IN (
+  'idx_lx_fund_flow_detail_from_date',
+  'idx_lx_fund_flow_detail_to_date'
+);
+```