diff --git a/src/main/java/com/gxwebsoft/approval/constant/ApprovalConstants.java b/src/main/java/com/gxwebsoft/approval/constant/ApprovalConstants.java
index ed5bbaf..cd8b795 100644
--- a/src/main/java/com/gxwebsoft/approval/constant/ApprovalConstants.java
+++ b/src/main/java/com/gxwebsoft/approval/constant/ApprovalConstants.java
@@ -23,7 +23,7 @@ public final class ApprovalConstants {
   public static final String STATUS_APPROVED = "APPROVED";
   public static final String STATUS_ARCHIVED = "ARCHIVED";
 
-  /** 发起人可编辑、可提交的状态。 */
+  /** 报送人可编辑、可提交的状态。 */
   public static final Set<String> EDITABLE_STATUSES =
     Collections.unmodifiableSet(new java.util.HashSet<>(Arrays.asList(
       STATUS_DRAFT, STATUS_REJECTED, STATUS_WITHDRAWN)));
@@ -72,6 +72,14 @@ public final class ApprovalConstants {
   public static final String ROLE_USER = "user";
   public static final String ROLE_GUEST = "guest";
 
+  // 权限串（与 spec 约定一致；菜单/按钮共用）
+  public static final String PERMISSION_LIST = "approval:instance:list";
+  public static final String PERMISSION_SUBMIT = "approval:instance:submit";
+  public static final String PERMISSION_APPROVE = "approval:instance:approve";
+  public static final String PERMISSION_ARCHIVE = "approval:instance:archive";
+  public static final String PERMISSION_ASSIGN = "approval:instance:assign";
+  public static final String PERMISSION_EXPORT = "approval:instance:export";
+
   // 附件规则
   public static final long MAX_ATTACHMENT_SIZE = 20L * 1024 * 1024;
   public static final int MAX_ATTACHMENT_COUNT = 9;
@@ -141,11 +149,16 @@ public final class ApprovalConstants {
     + "{\"key\":\"archive\",\"type\":\"ARCHIVE\",\"resolver\":\"archivist\",\"name\":\"归档\"}"
     + "]";
 
-  /** 内部协调单流程定义（version=1，表单与派单由后续迭代启用）。 */
+  /**
+   * 内部协调单流程定义（version=2）。
+   *
+   * <p>version=1 的派单节点按受理部门全员生成任务，导致普通成员也能派单且部门无成员时卡单；
+   * v2 改为受理部门负责人（或签）。版本不可变：已发布实例仍引用其定义版本。</p>
+   */
   public static final String COORDINATION_NODES_JSON = "["
     + "{\"key\":\"reportLeader\",\"type\":\"APPROVE\",\"resolver\":\"reporterOrgLeader\",\"name\":\"报送部门负责人\"},"
     + "{\"key\":\"acceptLeader\",\"type\":\"APPROVE\",\"resolver\":\"acceptOrgLeader\",\"name\":\"受理部门负责人\"},"
-    + "{\"key\":\"dispatch\",\"type\":\"DISPATCH\",\"resolver\":\"acceptOrgMembers\",\"name\":\"派单\"},"
+    + "{\"key\":\"dispatch\",\"type\":\"DISPATCH\",\"resolver\":\"acceptOrgLeader\",\"name\":\"派单\"},"
     + "{\"key\":\"confirm\",\"type\":\"CONFIRM\",\"resolver\":\"reporterAndDispatchTarget\",\"name\":\"存档\"},"
     + "{\"key\":\"archive\",\"type\":\"ARCHIVE\",\"resolver\":\"archivist\",\"name\":\"归档\"}"
     + "]";
diff --git a/src/main/java/com/gxwebsoft/approval/mapper/ApprovalExportMapper.java b/src/main/java/com/gxwebsoft/approval/mapper/ApprovalExportMapper.java
index 2663ca4..e2053fb 100644
--- a/src/main/java/com/gxwebsoft/approval/mapper/ApprovalExportMapper.java
+++ b/src/main/java/com/gxwebsoft/approval/mapper/ApprovalExportMapper.java
@@ -18,5 +18,6 @@ public interface ApprovalExportMapper {
    */
   List<ApprovalExportRow> selectExportRows(@Param("param") ApprovalQueryParam param,
                                            @Param("userId") Integer userId,
-                                           @Param("allVisible") Integer allVisible);
+                                           @Param("allVisible") Integer allVisible,
+                                           @Param("assignVisible") Integer assignVisible);
 }
diff --git a/src/main/java/com/gxwebsoft/approval/mapper/ApprovalInstanceMapper.java b/src/main/java/com/gxwebsoft/approval/mapper/ApprovalInstanceMapper.java
index 0212f77..3754eb8 100644
--- a/src/main/java/com/gxwebsoft/approval/mapper/ApprovalInstanceMapper.java
+++ b/src/main/java/com/gxwebsoft/approval/mapper/ApprovalInstanceMapper.java
@@ -24,7 +24,8 @@ public interface ApprovalInstanceMapper extends BaseMapper<ApprovalInstance> {
    */
   int countVisible(@Param("id") Long id,
                    @Param("userId") Integer userId,
-                   @Param("allVisible") Integer allVisible);
+                   @Param("allVisible") Integer allVisible,
+                   @Param("assignVisible") Integer assignVisible);
 
   /**
    * 我发起的列表。
diff --git a/src/main/java/com/gxwebsoft/approval/mapper/ApprovalQueryMapper.java b/src/main/java/com/gxwebsoft/approval/mapper/ApprovalQueryMapper.java
index e3ae64c..45f0817 100644
--- a/src/main/java/com/gxwebsoft/approval/mapper/ApprovalQueryMapper.java
+++ b/src/main/java/com/gxwebsoft/approval/mapper/ApprovalQueryMapper.java
@@ -18,5 +18,6 @@ public interface ApprovalQueryMapper {
   List<ApprovalItemRow> selectInstancePage(@Param("page") IPage<ApprovalItemRow> page,
                                            @Param("param") ApprovalQueryParam param,
                                            @Param("userId") Integer userId,
-                                           @Param("allVisible") Integer allVisible);
+                                           @Param("allVisible") Integer allVisible,
+                                           @Param("assignVisible") Integer assignVisible);
 }
diff --git a/src/main/java/com/gxwebsoft/approval/mapper/ApprovalTaskMapper.java b/src/main/java/com/gxwebsoft/approval/mapper/ApprovalTaskMapper.java
index ece5152..6399fb4 100644
--- a/src/main/java/com/gxwebsoft/approval/mapper/ApprovalTaskMapper.java
+++ b/src/main/java/com/gxwebsoft/approval/mapper/ApprovalTaskMapper.java
@@ -22,6 +22,12 @@ public interface ApprovalTaskMapper extends BaseMapper<ApprovalTask> {
                                                 @Param("userId") Integer userId,
                                                 @Param("taskStatus") String taskStatus);
 
+  /**
+   * 全租户待办列表：任一 PENDING 任务对应的实例，按实例去重。
+   */
+  List<ApprovalItemRow> selectPendingInstancePage(@Param("page") IPage<ApprovalItemRow> page,
+                                                  @Param("param") ApprovalTaskListParam param);
+
   /**
    * 本人待办实例数量（同一实例多任务只算一条）。
    */
diff --git a/src/main/java/com/gxwebsoft/approval/mapper/xml/ApprovalExportMapper.xml b/src/main/java/com/gxwebsoft/approval/mapper/xml/ApprovalExportMapper.xml
index 837c511..985bafc 100644
--- a/src/main/java/com/gxwebsoft/approval/mapper/xml/ApprovalExportMapper.xml
+++ b/src/main/java/com/gxwebsoft/approval/mapper/xml/ApprovalExportMapper.xml
@@ -31,6 +31,7 @@
             i.reporter_id = #{userId}
             OR (i.status != 'DRAFT' AND (
               #{allVisible} = 1
+              OR (#{assignVisible} = 1 AND i.status = 'PENDING')
               OR EXISTS (SELECT 1 FROM approval_task t WHERE t.instance_id = i.id AND t.assignee_id = #{userId})
               OR EXISTS (SELECT 1 FROM approval_record r WHERE r.instance_id = i.id AND r.operator_id = #{userId})
               OR i.dispatch_target_id = #{userId}
@@ -54,11 +55,11 @@
         <if test="param.status != null and param.status != ''">
             AND i.status = #{param.status}
         </if>
-        <if test="param.keyword != null and param.keyword != ''">
-            AND (i.biz_no LIKE CONCAT('%', #{param.keyword}, '%')
-                 OR f.name LIKE CONCAT('%', #{param.keyword}, '%')
-                 OR co.title LIKE CONCAT('%', #{param.keyword}, '%')
-                 OR f.implement_org LIKE CONCAT('%', #{param.keyword}, '%'))
+        <if test="param.keywords != null and param.keywords != ''">
+            AND (i.biz_no LIKE CONCAT('%', #{param.keywords}, '%')
+                 OR f.name LIKE CONCAT('%', #{param.keywords}, '%')
+                 OR co.title LIKE CONCAT('%', #{param.keywords}, '%')
+                 OR f.implement_org LIKE CONCAT('%', #{param.keywords}, '%'))
         </if>
         <if test="param.submitTimeStart != null and param.submitTimeStart != ''">
             AND i.submit_time &gt;= #{param.submitTimeStart}
diff --git a/src/main/java/com/gxwebsoft/approval/mapper/xml/ApprovalInstanceMapper.xml b/src/main/java/com/gxwebsoft/approval/mapper/xml/ApprovalInstanceMapper.xml
index e934317..0e84228 100644
--- a/src/main/java/com/gxwebsoft/approval/mapper/xml/ApprovalInstanceMapper.xml
+++ b/src/main/java/com/gxwebsoft/approval/mapper/xml/ApprovalInstanceMapper.xml
@@ -17,6 +17,7 @@
             i.reporter_id = #{userId}
             OR (i.status != 'DRAFT' AND (
               #{allVisible} = 1
+              OR (#{assignVisible} = 1 AND i.status = 'PENDING')
               OR EXISTS (SELECT 1 FROM approval_task t WHERE t.instance_id = i.id AND t.assignee_id = #{userId})
               OR EXISTS (SELECT 1 FROM approval_record r WHERE r.instance_id = i.id AND r.operator_id = #{userId})
               OR i.dispatch_target_id = #{userId}
diff --git a/src/main/java/com/gxwebsoft/approval/mapper/xml/ApprovalQueryMapper.xml b/src/main/java/com/gxwebsoft/approval/mapper/xml/ApprovalQueryMapper.xml
index 1b13427..6056a81 100644
--- a/src/main/java/com/gxwebsoft/approval/mapper/xml/ApprovalQueryMapper.xml
+++ b/src/main/java/com/gxwebsoft/approval/mapper/xml/ApprovalQueryMapper.xml
@@ -2,7 +2,7 @@
 <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
 <mapper namespace="com.gxwebsoft.approval.mapper.ApprovalQueryMapper">
 
-    <!-- PC 单据查询：数据权限条件与详情保持一致（草稿仅发起人可见） -->
+    <!-- PC 单据查询：数据权限条件与详情保持一致（草稿仅报送人可见） -->
     <select id="selectInstancePage" resultType="com.gxwebsoft.approval.support.ApprovalItemRow">
         SELECT i.id,
                i.biz_no,
@@ -24,6 +24,7 @@
             i.reporter_id = #{userId}
             OR (i.status != 'DRAFT' AND (
               #{allVisible} = 1
+              OR (#{assignVisible} = 1 AND i.status = 'PENDING')
               OR EXISTS (SELECT 1 FROM approval_task t WHERE t.instance_id = i.id AND t.assignee_id = #{userId})
               OR EXISTS (SELECT 1 FROM approval_record r WHERE r.instance_id = i.id AND r.operator_id = #{userId})
               OR i.dispatch_target_id = #{userId}
@@ -47,11 +48,11 @@
         <if test="param.status != null and param.status != ''">
             AND i.status = #{param.status}
         </if>
-        <if test="param.keyword != null and param.keyword != ''">
-            AND (i.biz_no LIKE CONCAT('%', #{param.keyword}, '%')
-                 OR f.name LIKE CONCAT('%', #{param.keyword}, '%')
-                 OR co.title LIKE CONCAT('%', #{param.keyword}, '%')
-                 OR f.implement_org LIKE CONCAT('%', #{param.keyword}, '%'))
+        <if test="param.keywords != null and param.keywords != ''">
+            AND (i.biz_no LIKE CONCAT('%', #{param.keywords}, '%')
+                 OR f.name LIKE CONCAT('%', #{param.keywords}, '%')
+                 OR co.title LIKE CONCAT('%', #{param.keywords}, '%')
+                 OR f.implement_org LIKE CONCAT('%', #{param.keywords}, '%'))
         </if>
         <if test="param.submitTimeStart != null and param.submitTimeStart != ''">
             AND i.submit_time &gt;= #{param.submitTimeStart}
diff --git a/src/main/java/com/gxwebsoft/approval/mapper/xml/ApprovalTaskMapper.xml b/src/main/java/com/gxwebsoft/approval/mapper/xml/ApprovalTaskMapper.xml
index cedbc0b..29b9dcc 100644
--- a/src/main/java/com/gxwebsoft/approval/mapper/xml/ApprovalTaskMapper.xml
+++ b/src/main/java/com/gxwebsoft/approval/mapper/xml/ApprovalTaskMapper.xml
@@ -40,6 +40,42 @@
         ORDER BY (i.submit_time IS NULL) ASC, i.submit_time DESC, i.id DESC
     </select>
 
+    <select id="selectPendingInstancePage" resultType="com.gxwebsoft.approval.support.ApprovalItemRow">
+        SELECT i.id,
+               i.biz_no,
+               i.doc_type,
+               i.status,
+               i.reporter_id,
+               i.reporter_name,
+               i.report_org_name,
+               i.accept_org_name,
+               i.archive_time,
+               i.current_node_key,
+               i.definition_id,
+               i.submit_time,
+               COALESCE(f.name, co.title) AS title
+        FROM approval_instance i
+        LEFT JOIN approval_completion_form f ON f.instance_id = i.id
+        LEFT JOIN approval_coordination_form co ON co.instance_id = i.id
+        WHERE EXISTS (
+            SELECT 1 FROM approval_task t
+            WHERE t.instance_id = i.id AND t.status = 'PENDING'
+        )
+        <if test="param.status != null and param.status != ''">
+            AND i.status = #{param.status}
+        </if>
+        <if test="param.docType != null and param.docType != ''">
+            AND i.doc_type = #{param.docType}
+        </if>
+        <if test="param.keywords != null and param.keywords != ''">
+            AND (i.biz_no LIKE CONCAT('%', #{param.keywords}, '%')
+                 OR f.name LIKE CONCAT('%', #{param.keywords}, '%')
+                 OR co.title LIKE CONCAT('%', #{param.keywords}, '%')
+                 OR f.implement_org LIKE CONCAT('%', #{param.keywords}, '%'))
+        </if>
+        ORDER BY (i.submit_time IS NULL) ASC, i.submit_time DESC, i.id DESC
+    </select>
+
     <select id="countPendingInstances" resultType="java.lang.Integer">
         SELECT COUNT(DISTINCT instance_id)
         FROM approval_task
diff --git a/src/main/java/com/gxwebsoft/approval/param/ApprovalCoordinationParam.java b/src/main/java/com/gxwebsoft/approval/param/ApprovalCoordinationParam.java
index bb9ab53..5e1fd18 100644
--- a/src/main/java/com/gxwebsoft/approval/param/ApprovalCoordinationParam.java
+++ b/src/main/java/com/gxwebsoft/approval/param/ApprovalCoordinationParam.java
@@ -8,7 +8,7 @@ import java.io.Serializable;
 /**
  * 内部协调单草稿参数；id 为审批实例id，更新草稿时传入。
  *
- * <p>报送部门与经办人由服务端按登录态带出，不在参数中接收。</p>
+ * <p>报送部门与报送人由服务端按登录态带出，不在参数中接收。</p>
  */
 @Data
 public class ApprovalCoordinationParam implements Serializable {
diff --git a/src/main/java/com/gxwebsoft/approval/param/ApprovalQueryParam.java b/src/main/java/com/gxwebsoft/approval/param/ApprovalQueryParam.java
index 3e87857..9341519 100644
--- a/src/main/java/com/gxwebsoft/approval/param/ApprovalQueryParam.java
+++ b/src/main/java/com/gxwebsoft/approval/param/ApprovalQueryParam.java
@@ -21,16 +21,13 @@ public class ApprovalQueryParam extends BaseParam {
   @ApiModelProperty("单号")
   private String bizNo;
 
-  @ApiModelProperty("关键词：单号、名称或标题、实施单位")
-  private String keyword;
-
   @ApiModelProperty("报送部门id")
   private Integer reportOrgId;
 
   @ApiModelProperty("受理部门id")
   private Integer acceptOrgId;
 
-  @ApiModelProperty("发起人id")
+  @ApiModelProperty("报送人id")
   private Integer reporterId;
 
   @ApiModelProperty("单据状态")
diff --git a/src/main/java/com/gxwebsoft/approval/param/ApprovalTaskListParam.java b/src/main/java/com/gxwebsoft/approval/param/ApprovalTaskListParam.java
index 8bb757b..ceeae32 100644
--- a/src/main/java/com/gxwebsoft/approval/param/ApprovalTaskListParam.java
+++ b/src/main/java/com/gxwebsoft/approval/param/ApprovalTaskListParam.java
@@ -17,4 +17,8 @@ public class ApprovalTaskListParam extends BaseParam {
 
   @ApiModelProperty("单据类型")
   private String docType;
+
+  /** 查询范围：mine（默认，本人待办/已办）或 all（全租户待办，需 assign 权限）。 */
+  @ApiModelProperty("查询范围 mine/all")
+  private String scope;
 }
diff --git a/src/main/java/com/gxwebsoft/approval/service/ApprovalAttachmentService.java b/src/main/java/com/gxwebsoft/approval/service/ApprovalAttachmentService.java
index a48089f..5cbff65 100644
--- a/src/main/java/com/gxwebsoft/approval/service/ApprovalAttachmentService.java
+++ b/src/main/java/com/gxwebsoft/approval/service/ApprovalAttachmentService.java
@@ -87,7 +87,7 @@ public class ApprovalAttachmentService {
   }
 
   /**
-   * 上传附件：仅发起人且实例可编辑时可上传。
+   * 上传附件：仅报送人且实例可编辑时可上传。
    */
   public ApprovalAttachmentVO upload(Long instanceId, MultipartFile file, String category, User user) {
     ApprovalInstance instance = instanceMapper.selectById(instanceId);
diff --git a/src/main/java/com/gxwebsoft/approval/service/ApprovalDirectoryService.java b/src/main/java/com/gxwebsoft/approval/service/ApprovalDirectoryService.java
index ce9e400..1f77412 100644
--- a/src/main/java/com/gxwebsoft/approval/service/ApprovalDirectoryService.java
+++ b/src/main/java/com/gxwebsoft/approval/service/ApprovalDirectoryService.java
@@ -95,11 +95,6 @@ public class ApprovalDirectoryService {
       USER_MAPPER, tenantId, tenantId, tenantId, roleCode, tenantId);
   }
 
-  /** 部门负责人角色是否已配置至少一名启用成员。 */
-  public boolean hasDepartmentLeader(Integer organizationId) {
-    return organizationId != null && !listRoleMembers("dept_leader_" + organizationId).isEmpty();
-  }
-
   /** 启用用户搜索，最多 50 条。 */
   public List<ApprovalUserVO> searchUsers(String keywords, Integer organizationId) {
     Integer tenantId = ApprovalTenantContext.currentTenantId();
diff --git a/src/main/java/com/gxwebsoft/approval/service/ApprovalExportService.java b/src/main/java/com/gxwebsoft/approval/service/ApprovalExportService.java
index 4cbc29b..1138044 100644
--- a/src/main/java/com/gxwebsoft/approval/service/ApprovalExportService.java
+++ b/src/main/java/com/gxwebsoft/approval/service/ApprovalExportService.java
@@ -9,6 +9,7 @@ import com.gxwebsoft.approval.support.ApprovalNode;
 import com.gxwebsoft.common.core.config.ConfigProperties;
 import com.gxwebsoft.common.core.exception.BusinessException;
 import com.gxwebsoft.common.system.entity.FileRecord;
+import com.gxwebsoft.common.system.entity.Menu;
 import com.gxwebsoft.common.system.entity.User;
 import org.apache.poi.xssf.streaming.SXSSFRow;
 import org.apache.poi.xssf.streaming.SXSSFSheet;
@@ -75,7 +76,9 @@ public class ApprovalExportService {
   public ApprovalExportResult export(ApprovalQueryParam param, User user) throws IOException {
     int allVisible = directoryService.hasAnyRole(user.getUserId(),
       ApprovalConstants.ROLE_SUPER_ADMIN, ApprovalConstants.ROLE_ARCHIVIST) ? 1 : 0;
-    List<ApprovalExportRow> rows = exportMapper.selectExportRows(param, user.getUserId(), allVisible);
+    int assignVisible = hasAuthority(user, ApprovalConstants.PERMISSION_ASSIGN) ? 1 : 0;
+    List<ApprovalExportRow> rows = exportMapper.selectExportRows(param, user.getUserId(), allVisible,
+      assignVisible);
     if (rows.size() > MAX_EXPORT_ROWS) {
       throw new BusinessException("请缩小筛选范围");
     }
@@ -105,6 +108,15 @@ public class ApprovalExportService {
     return new ApprovalExportResult(record, rows.size());
   }
 
+  private boolean hasAuthority(User user, String authority) {
+    if (user.getAuthorities() == null) {
+      return false;
+    }
+    return user.getAuthorities().stream()
+      .map(Menu::getAuthority)
+      .anyMatch(authority::equals);
+  }
+
   private void writeWorkbook(List<ApprovalExportRow> rows, File target) throws IOException {
     SXSSFWorkbook workbook = new SXSSFWorkbook(100);
     try {
diff --git a/src/main/java/com/gxwebsoft/approval/service/ApprovalFileService.java b/src/main/java/com/gxwebsoft/approval/service/ApprovalFileService.java
index 102a855..c47d186 100644
--- a/src/main/java/com/gxwebsoft/approval/service/ApprovalFileService.java
+++ b/src/main/java/com/gxwebsoft/approval/service/ApprovalFileService.java
@@ -69,17 +69,6 @@ public class ApprovalFileService {
     return fileRecord;
   }
 
-  public FileRecord getById(Integer id) {
-    if (id == null) {
-      return null;
-    }
-    List<FileRecord> records = jdbcTemplate.query(
-      "SELECT id, name, path, length, content_type, create_user_id, deleted FROM sys_file_record "
-        + "WHERE id = ? AND tenant_id = ? AND deleted = 0",
-      FILE_MAPPER, id, ApprovalTenantContext.currentTenantId());
-    return records.isEmpty() ? null : records.get(0);
-  }
-
   public List<FileRecord> listByIds(Collection<Integer> ids) {
     if (ids == null || ids.isEmpty()) {
       return Collections.emptyList();
diff --git a/src/main/java/com/gxwebsoft/approval/service/ApprovalFlowService.java b/src/main/java/com/gxwebsoft/approval/service/ApprovalFlowService.java
index d618338..1428a58 100644
--- a/src/main/java/com/gxwebsoft/approval/service/ApprovalFlowService.java
+++ b/src/main/java/com/gxwebsoft/approval/service/ApprovalFlowService.java
@@ -14,16 +14,30 @@ import org.springframework.stereotype.Service;
 
 import javax.annotation.Resource;
 import java.util.Collections;
+import java.util.LinkedHashMap;
 import java.util.List;
+import java.util.Map;
 
 /**
- * 流程定义服务：按租户幂等发布 version=1，并解析节点 JSON。
+ * 流程定义服务：按租户幂等发布各流程的最新版本，并解析节点 JSON。
+ *
+ * <p>版本不可变：流程调整只新增版本行，已创建实例继续引用其 definition_id；
+ * {@link #getOrCreate(String)} 始终返回最新版本。</p>
  */
 @Service
 public class ApprovalFlowService {
 
   private static final Logger log = LoggerFactory.getLogger(ApprovalFlowService.class);
   private static final int INITIAL_VERSION = 1;
+  /** 各流程当前发布版本；调整节点时必须递增并保留旧版本行。 */
+  private static final Map<String, Integer> LATEST_VERSIONS;
+
+  static {
+    Map<String, Integer> versions = new LinkedHashMap<>();
+    versions.put(ApprovalConstants.FLOW_COMPLETION, 1);
+    versions.put(ApprovalConstants.FLOW_COORDINATION_INTERNAL, 2);
+    LATEST_VERSIONS = Collections.unmodifiableMap(versions);
+  }
 
   @Resource
   private ApprovalFlowDefinitionMapper flowDefinitionMapper;
@@ -31,18 +45,19 @@ public class ApprovalFlowService {
   private ObjectMapper objectMapper;
 
   /**
-   * 获取租户下的流程定义；不存在时创建 version=1。
+   * 获取租户下流程定义的最新版本；尚无该版本时发布新版。
    *
-   * <p>并发首次创建依赖唯一键 uk_flow_ver 兜底，冲突后重新查询。</p>
+   * <p>并发首次创建依赖唯一键 uk_flow_ver 兜底，冲突后重新读取最新版本。</p>
    */
   public ApprovalFlowDefinition getOrCreate(String flowCode) {
-    ApprovalFlowDefinition definition = find(flowCode);
-    if (definition != null) {
+    int latestVersion = latestVersion(flowCode);
+    ApprovalFlowDefinition definition = findLatest(flowCode);
+    if (definition != null && definition.getVersion() >= latestVersion) {
       return definition;
     }
     ApprovalFlowDefinition created = new ApprovalFlowDefinition();
     created.setFlowCode(flowCode);
-    created.setVersion(INITIAL_VERSION);
+    created.setVersion(latestVersion);
     created.setName(flowName(flowCode));
     created.setNodesJson(flowNodesJson(flowCode));
     try {
@@ -50,8 +65,8 @@ public class ApprovalFlowService {
       return created;
     } catch (DuplicateKeyException e) {
       log.info("审批流程定义已被并发创建，重新读取: {}", flowCode);
-      definition = find(flowCode);
-      if (definition == null) {
+      definition = findLatest(flowCode);
+      if (definition == null || definition.getVersion() < latestVersion) {
         throw new BusinessException("审批流程定义初始化失败");
       }
       return definition;
@@ -92,13 +107,18 @@ public class ApprovalFlowService {
     return node == null ? null : node.getName();
   }
 
-  private ApprovalFlowDefinition find(String flowCode) {
+  private ApprovalFlowDefinition findLatest(String flowCode) {
     return flowDefinitionMapper.selectOne(new LambdaQueryWrapper<ApprovalFlowDefinition>()
       .eq(ApprovalFlowDefinition::getFlowCode, flowCode)
-      .eq(ApprovalFlowDefinition::getVersion, INITIAL_VERSION)
+      .orderByDesc(ApprovalFlowDefinition::getVersion)
       .last("LIMIT 1"));
   }
 
+  private int latestVersion(String flowCode) {
+    Integer version = LATEST_VERSIONS.get(flowCode);
+    return version == null ? INITIAL_VERSION : version;
+  }
+
   private String flowName(String flowCode) {
     if (ApprovalConstants.FLOW_COMPLETION.equals(flowCode)) {
       return "业务完成确认单";
diff --git a/src/main/java/com/gxwebsoft/approval/service/ApprovalInstanceService.java b/src/main/java/com/gxwebsoft/approval/service/ApprovalInstanceService.java
index 7868be4..0c58f4f 100644
--- a/src/main/java/com/gxwebsoft/approval/service/ApprovalInstanceService.java
+++ b/src/main/java/com/gxwebsoft/approval/service/ApprovalInstanceService.java
@@ -27,6 +27,7 @@ import com.gxwebsoft.approval.vo.ApprovalInstanceVO;
 import com.gxwebsoft.approval.vo.ApprovalItemVO;
 import com.gxwebsoft.approval.vo.ApprovalMyTaskVO;
 import com.gxwebsoft.approval.vo.ApprovalOrganizationVO;
+import com.gxwebsoft.approval.vo.ApprovalPendingTaskVO;
 import com.gxwebsoft.approval.vo.ApprovalPermissionsVO;
 import com.gxwebsoft.approval.vo.ApprovalRecordVO;
 import com.gxwebsoft.approval.vo.ApprovalUserVO;
@@ -34,6 +35,7 @@ import com.gxwebsoft.common.core.exception.BusinessException;
 import com.gxwebsoft.common.core.web.PageResult;
 import com.gxwebsoft.common.system.entity.Menu;
 import com.gxwebsoft.common.system.entity.User;
+import org.springframework.security.access.AccessDeniedException;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.PlatformTransactionManager;
 import org.springframework.transaction.support.TransactionTemplate;
@@ -59,7 +61,9 @@ import java.util.stream.Collectors;
 public class ApprovalInstanceService {
 
   private static final BigDecimal MAX_FEE = new BigDecimal("99999999.99");
-  private static final String PERMISSION_ASSIGN = "approval:instance:assign";
+  private static final String PERMISSION_ASSIGN = ApprovalConstants.PERMISSION_ASSIGN;
+  /** 待办范围：全租户待办（仅 assign 权限可用）。 */
+  private static final String SCOPE_ALL = "all";
 
   @Resource
   private ApprovalInstanceMapper instanceMapper;
@@ -103,7 +107,7 @@ public class ApprovalInstanceService {
   /**
    * 新建或更新内部协调单草稿，返回实例id。
    *
-   * <p>报送部门与经办人取登录态；受理部门必须是启用组织，保存时即校验。</p>
+   * <p>报送部门与报送人取登录态；受理部门必须是启用组织，保存时即校验。</p>
    */
   public Long saveCoordination(ApprovalCoordinationParam param, User user) {
     validateCoordination(param);
@@ -233,7 +237,7 @@ public class ApprovalInstanceService {
   }
 
   /**
-   * 详情；草稿仅发起人可见，其余按任务/记录/派单目标或 allVisible 角色判断。
+   * 详情；草稿仅报送人可见，其余按任务/记录/派单目标或 allVisible 角色判断。
    */
   public ApprovalInstanceVO detail(Long instanceId, User user) {
     ApprovalInstance instance = instanceMapper.selectById(instanceId);
@@ -242,7 +246,9 @@ public class ApprovalInstanceService {
     }
     int allVisible = directoryService.hasAnyRole(user.getUserId(),
       ApprovalConstants.ROLE_SUPER_ADMIN, ApprovalConstants.ROLE_ARCHIVIST) ? 1 : 0;
-    if (instanceMapper.countVisible(instanceId, user.getUserId(), allVisible) == 0) {
+    int assignVisible = hasAuthority(user, PERMISSION_ASSIGN)
+      && ApprovalConstants.STATUS_PENDING.equals(instance.getStatus()) ? 1 : 0;
+    if (instanceMapper.countVisible(instanceId, user.getUserId(), allVisible, assignVisible) == 0) {
       throw new BusinessException("无权查看该单据");
     }
 
@@ -267,6 +273,7 @@ public class ApprovalInstanceService {
     vo.setConfirms(confirms(instance));
     ApprovalMyTaskVO myTask = myTask(instance, user.getUserId());
     vo.setMyTask(myTask);
+    vo.setPendingTasks(pendingTasks(instance));
     vo.setPermissions(permissions(instance, user, myTask));
     return vo;
   }
@@ -284,8 +291,17 @@ public class ApprovalInstanceService {
 
   /**
    * 我的待办：本人 PENDING 任务对应的实例，按实例去重。
+   *
+   * <p>PC 传 {@code scope=all} 时返回全租户待办，仅 assign 权限可用；
+   * 员工端不传 scope，行为不变。</p>
    */
   public PageResult<ApprovalItemVO> todo(ApprovalTaskListParam param, User user) {
+    if (SCOPE_ALL.equals(param.getScope())) {
+      if (!hasAuthority(user, PERMISSION_ASSIGN)) {
+        throw new AccessDeniedException("无权限查看全部待办");
+      }
+      return pendingPage(param);
+    }
     return taskPage(param, user, ApprovalConstants.TASK_PENDING);
   }
 
@@ -296,6 +312,17 @@ public class ApprovalInstanceService {
     return taskPage(param, user, ApprovalConstants.TASK_DONE);
   }
 
+  /**
+   * 全租户待办：任一 PENDING 任务对应的实例，按实例去重。
+   */
+  private PageResult<ApprovalItemVO> pendingPage(ApprovalTaskListParam param) {
+    long current = param.getPage() == null ? 1 : Math.max(1, param.getPage());
+    long size = param.getLimit() == null ? 10 : Math.max(1, param.getLimit());
+    Page<ApprovalItemRow> page = new Page<>(current, size);
+    List<ApprovalItemRow> rows = taskMapper.selectPendingInstancePage(page, param);
+    return new PageResult<>(toItems(rows), page.getTotal());
+  }
+
   private PageResult<ApprovalItemVO> taskPage(ApprovalTaskListParam param, User user, String taskStatus) {
     long current = param.getPage() == null ? 1 : Math.max(1, param.getPage());
     long size = param.getLimit() == null ? 10 : Math.max(1, param.getLimit());
@@ -552,6 +579,28 @@ public class ApprovalInstanceService {
     return vo;
   }
 
+  private List<ApprovalPendingTaskVO> pendingTasks(ApprovalInstance instance) {
+    if (!ApprovalConstants.STATUS_PENDING.equals(instance.getStatus())) {
+      return new ArrayList<>();
+    }
+    List<ApprovalTask> tasks = taskMapper.selectList(new LambdaQueryWrapper<ApprovalTask>()
+      .eq(ApprovalTask::getInstanceId, instance.getId())
+      .eq(ApprovalTask::getStatus, ApprovalConstants.TASK_PENDING)
+      .orderByAsc(ApprovalTask::getId));
+    List<ApprovalPendingTaskVO> result = new ArrayList<>(tasks.size());
+    for (ApprovalTask task : tasks) {
+      ApprovalPendingTaskVO vo = new ApprovalPendingTaskVO();
+      vo.setId(task.getId());
+      vo.setNodeKey(task.getNodeKey());
+      vo.setNodeName(flowService.nodeName(instance.getDefinitionId(), task.getNodeKey()));
+      vo.setNodeType(task.getNodeType());
+      vo.setAssigneeId(task.getAssigneeId());
+      vo.setAssigneeName(task.getAssigneeName());
+      result.add(vo);
+    }
+    return result;
+  }
+
   private ApprovalPermissionsVO permissions(ApprovalInstance instance, User user, ApprovalMyTaskVO myTask) {
     ApprovalPermissionsVO permissions = new ApprovalPermissionsVO();
     boolean reporter = instance.getReporterId().equals(user.getUserId());
@@ -565,6 +614,8 @@ public class ApprovalInstanceService {
         .eq(ApprovalTask::getStatus, ApprovalConstants.TASK_DONE));
       permissions.setCanWithdraw(done == null || done == 0);
     }
+    permissions.setCanAssign(hasAuthority(user, PERMISSION_ASSIGN)
+      && ApprovalConstants.STATUS_PENDING.equals(instance.getStatus()));
     if (myTask != null) {
       boolean approveNode = ApprovalConstants.NODE_APPROVE.equals(myTask.getNodeType());
       boolean rejectableNode = approveNode || ApprovalConstants.NODE_DISPATCH.equals(myTask.getNodeType());
@@ -573,7 +624,6 @@ public class ApprovalInstanceService {
       permissions.setCanDispatch(ApprovalConstants.NODE_DISPATCH.equals(myTask.getNodeType()));
       permissions.setCanConfirm(ApprovalConstants.NODE_CONFIRM.equals(myTask.getNodeType()));
       permissions.setCanArchive(ApprovalConstants.NODE_ARCHIVE.equals(myTask.getNodeType()));
-      permissions.setCanAssign(hasAuthority(user, PERMISSION_ASSIGN));
     }
     return permissions;
   }
diff --git a/src/main/java/com/gxwebsoft/approval/service/ApprovalQueryService.java b/src/main/java/com/gxwebsoft/approval/service/ApprovalQueryService.java
index 1ab4609..53a310e 100644
--- a/src/main/java/com/gxwebsoft/approval/service/ApprovalQueryService.java
+++ b/src/main/java/com/gxwebsoft/approval/service/ApprovalQueryService.java
@@ -8,6 +8,7 @@ import com.gxwebsoft.approval.support.ApprovalItemRow;
 import com.gxwebsoft.approval.support.ApprovalNode;
 import com.gxwebsoft.approval.vo.ApprovalItemVO;
 import com.gxwebsoft.common.core.web.PageResult;
+import com.gxwebsoft.common.system.entity.Menu;
 import com.gxwebsoft.common.system.entity.User;
 import org.springframework.stereotype.Service;
 
@@ -44,8 +45,10 @@ public class ApprovalQueryService {
     long size = param.getLimit() == null ? DEFAULT_LIMIT : Math.max(1, param.getLimit());
     int allVisible = directoryService.hasAnyRole(user.getUserId(),
       ApprovalConstants.ROLE_SUPER_ADMIN, ApprovalConstants.ROLE_ARCHIVIST) ? 1 : 0;
+    int assignVisible = hasAuthority(user, ApprovalConstants.PERMISSION_ASSIGN) ? 1 : 0;
     Page<ApprovalItemRow> page = new Page<>(current, size);
-    List<ApprovalItemRow> rows = queryMapper.selectInstancePage(page, param, user.getUserId(), allVisible);
+    List<ApprovalItemRow> rows = queryMapper.selectInstancePage(page, param, user.getUserId(), allVisible,
+      assignVisible);
     Map<Long, List<ApprovalNode>> nodeCache = new HashMap<>();
     List<ApprovalItemVO> list = new ArrayList<>(rows.size());
     for (ApprovalItemRow row : rows) {
@@ -73,6 +76,15 @@ public class ApprovalQueryService {
     return item;
   }
 
+  private boolean hasAuthority(User user, String authority) {
+    if (user.getAuthorities() == null) {
+      return false;
+    }
+    return user.getAuthorities().stream()
+      .map(Menu::getAuthority)
+      .anyMatch(authority::equals);
+  }
+
   private String nodeName(Map<Long, List<ApprovalNode>> cache, Long definitionId, String nodeKey) {
     if (definitionId == null || nodeKey == null) {
       return null;
diff --git a/src/main/java/com/gxwebsoft/approval/vo/ApprovalInstanceVO.java b/src/main/java/com/gxwebsoft/approval/vo/ApprovalInstanceVO.java
index 55235d2..deb6a9d 100644
--- a/src/main/java/com/gxwebsoft/approval/vo/ApprovalInstanceVO.java
+++ b/src/main/java/com/gxwebsoft/approval/vo/ApprovalInstanceVO.java
@@ -88,5 +88,8 @@ public class ApprovalInstanceVO implements Serializable {
 
   private ApprovalMyTaskVO myTask;
 
+  /** 实例当前全部待办任务，供有 assign 权限的 PC 用户按任务改派。 */
+  private List<ApprovalPendingTaskVO> pendingTasks;
+
   private ApprovalPermissionsVO permissions;
 }
diff --git a/src/main/java/com/gxwebsoft/approval/vo/ApprovalPendingTaskVO.java b/src/main/java/com/gxwebsoft/approval/vo/ApprovalPendingTaskVO.java
new file mode 100644
index 0000000..0435752
--- /dev/null
+++ b/src/main/java/com/gxwebsoft/approval/vo/ApprovalPendingTaskVO.java
@@ -0,0 +1,27 @@
+package com.gxwebsoft.approval.vo;
+
+import io.swagger.annotations.ApiModel;
+import lombok.Data;
+
+import java.io.Serializable;
+
+/**
+ * 实例上的待办任务（PC 改派按任务 id 操作）。
+ */
+@Data
+@ApiModel(description = "实例待办任务")
+public class ApprovalPendingTaskVO implements Serializable {
+  private static final long serialVersionUID = 1L;
+
+  private Long id;
+
+  private String nodeKey;
+
+  private String nodeName;
+
+  private String nodeType;
+
+  private Integer assigneeId;
+
+  private String assigneeName;
+}
diff --git a/src/test/java/com/gxwebsoft/approval/ApprovalCoordinationIT.java b/src/test/java/com/gxwebsoft/approval/ApprovalCoordinationIT.java
index 867c788..78e354a 100644
--- a/src/test/java/com/gxwebsoft/approval/ApprovalCoordinationIT.java
+++ b/src/test/java/com/gxwebsoft/approval/ApprovalCoordinationIT.java
@@ -120,17 +120,22 @@ class ApprovalCoordinationIT {
       .andExpect(jsonPath("$.data.list[0].acceptOrgName").isNotEmpty())
       .andExpect(jsonPath("$.data.list[0].statusName").value("未提交"));
 
-    // 流程定义按租户幂等，节点顺序固定；一期不产生外部协调流程
-    assertThat(data.countMaster("SELECT COUNT(*) FROM approval_flow_definition "
-      + "WHERE tenant_id = ? AND flow_code = 'coordination_internal' AND version = 1", TENANT)).isEqualTo(1);
+    // 流程定义按租户幂等发布最新版本，节点顺序固定；v1 保留不改，v2 派单归受理部门负责人
+    assertThat(data.queryMaster("SELECT MAX(version) FROM approval_flow_definition "
+      + "WHERE tenant_id = ? AND flow_code = 'coordination_internal'", Integer.class, TENANT)).isEqualTo(2);
     String nodes = data.queryMaster("SELECT nodes_json FROM approval_flow_definition "
-      + "WHERE tenant_id = ? AND flow_code = 'coordination_internal' AND version = 1", String.class, TENANT);
+      + "WHERE tenant_id = ? AND flow_code = 'coordination_internal' "
+      + "ORDER BY version DESC LIMIT 1", String.class, TENANT);
     assertThat(nodes).contains("reportLeader").contains("acceptLeader").contains("dispatch")
       .contains("confirm").contains("archive");
+    assertThat(nodes).contains("\"type\": \"DISPATCH\", \"resolver\": \"acceptOrgLeader\"");
+    // 实例固定引用创建时的定义版本（v2）
+    assertThat(data.queryMaster("SELECT definition_version FROM approval_instance WHERE id = ?",
+      Integer.class, instanceId)).isEqualTo(2);
     assertThat(data.countMaster("SELECT COUNT(*) FROM approval_flow_definition "
       + "WHERE tenant_id = ? AND flow_code = 'coordination_external'", TENANT)).isZero();
 
-    // 报送部门与经办人只取登录态，客户端伪造字段被忽略
+    // 报送部门与报送人只取登录态，客户端伪造字段被忽略
     ApprovalTestData.TestUser other = data.createUser("他人" + data.uniqueSuffix(), acceptOrgId);
     String forged = "{\"acceptOrgId\":" + acceptOrgId + ",\"title\":\"伪造部门\",\"content\":\"内容\","
       + "\"reporterId\":" + other.userId + ",\"reportOrgId\":" + acceptOrgId + "}";
@@ -350,7 +355,10 @@ class ApprovalCoordinationIT {
       String.class, instanceId)).isEqualTo("dispatch");
     assertThat(data.queryMaster("SELECT current_node_type FROM approval_instance WHERE id = ?",
       String.class, instanceId)).isEqualTo("DISPATCH");
-    assertThat(pendingTaskIds(instanceId)).contains(acceptMember.userId);
+    // 派单节点只分配给受理部门负责人，普通部门成员无派单待办
+    assertThat(pendingTaskIds(instanceId)).containsExactly(acceptLeader.userId);
+    assertThat(data.countMaster("SELECT COUNT(*) FROM approval_task WHERE instance_id = ? "
+      + "AND assignee_id = ? AND node_type = 'DISPATCH'", instanceId, acceptMember.userId)).isZero();
     assertThat(data.countMaster("SELECT COUNT(*) FROM approval_record WHERE instance_id = ? "
       + "AND action = 'APPROVE'", instanceId)).isEqualTo(2);
     assertThat(data.queryMaster("SELECT opinion FROM approval_task WHERE id = ?", String.class, reportTask))
diff --git a/src/test/java/com/gxwebsoft/approval/ApprovalDispatchIT.java b/src/test/java/com/gxwebsoft/approval/ApprovalDispatchIT.java
index 139a9ec..4930675 100644
--- a/src/test/java/com/gxwebsoft/approval/ApprovalDispatchIT.java
+++ b/src/test/java/com/gxwebsoft/approval/ApprovalDispatchIT.java
@@ -122,6 +122,12 @@ class ApprovalDispatchIT {
     long instanceId = reachDispatch("部门候选池");
     long dispatchTask = pendingTaskId(instanceId, acceptLeader.userId);
 
+    // 派单节点只落在受理部门负责人（或签），普通部门成员不产生派单待办
+    assertThat(data.countMaster("SELECT COUNT(*) FROM approval_task WHERE instance_id = ? "
+      + "AND node_type = 'DISPATCH'", instanceId)).isEqualTo(1);
+    assertThat(data.countMaster("SELECT COUNT(*) FROM approval_task WHERE instance_id = ? "
+      + "AND assignee_id = ? AND node_type = 'DISPATCH'", instanceId, acceptMember.userId)).isZero();
+
     // 部门内停用成员不进入候选池
     ApprovalTestData.TestUser disabled =
       data.createUser("派单停用成员" + data.uniqueSuffix(), acceptOrgId, TENANT);
@@ -158,6 +164,11 @@ class ApprovalDispatchIT {
     // 受理部门成员全部调离后部门为空，派单待办仍在负责人手中
     data.setUserOrganization(acceptLeader.userId, reportOrgId);
     data.setUserOrganization(acceptMember.userId, reportOrgId);
+    assertThat(data.countMaster("SELECT COUNT(*) FROM approval_task WHERE instance_id = ? "
+      + "AND assignee_id = ? AND node_type = 'DISPATCH' AND status = 'PENDING'",
+      instanceId, acceptLeader.userId)).isEqualTo(1);
+    assertThat(data.countMaster("SELECT COUNT(*) FROM approval_task WHERE instance_id = ? "
+      + "AND assignee_id = ? AND node_type = 'DISPATCH'", instanceId, acceptMember.userId)).isZero();
 
     String response = mockMvc.perform(authed(get("/api/approval/task/" + dispatchTask + "/candidates"),
         acceptLeader, reportOrgId, APPROVE))
@@ -179,7 +190,6 @@ class ApprovalDispatchIT {
   void dispatchesToSelectedCandidateAndCreatesBothConfirmTasks() throws Exception {
     long instanceId = reachDispatch("派单存档");
     long dispatchTask = pendingTaskId(instanceId, acceptLeader.userId);
-    long otherDispatchTask = pendingTaskId(instanceId, acceptMember.userId);
 
     mockMvc.perform(authed(post("/api/approval/task/" + dispatchTask + "/dispatch"),
         acceptLeader, acceptOrgId, APPROVE)
@@ -193,13 +203,13 @@ class ApprovalDispatchIT {
       .andExpect(jsonPath("$.data.dispatchTargetName").value(acceptMember.realName))
       .andExpect(jsonPath("$.data.myTask").doesNotExist());
 
-    // 派单任务完成并快照派单对象，同节点其余派单待办取消
+    // 派单任务完成并快照派单对象；派单节点只有负责人的一条或签待办
     assertThat(data.queryMaster("SELECT status FROM approval_task WHERE id = ?", String.class, dispatchTask))
       .isEqualTo("DONE");
     assertThat(data.queryMaster("SELECT dispatch_target_id FROM approval_task WHERE id = ?",
       Integer.class, dispatchTask)).isEqualTo(acceptMember.userId);
-    assertThat(data.queryMaster("SELECT status FROM approval_task WHERE id = ?", String.class, otherDispatchTask))
-      .isEqualTo("CANCELLED");
+    assertThat(data.countMaster("SELECT COUNT(*) FROM approval_task WHERE instance_id = ? "
+      + "AND node_type = 'DISPATCH'", instanceId)).isEqualTo(1);
     assertThat(data.queryMaster("SELECT dispatch_target_id FROM approval_instance WHERE id = ?",
       Integer.class, instanceId)).isEqualTo(acceptMember.userId);
     assertThat(data.queryMaster("SELECT dispatch_target_name FROM approval_instance WHERE id = ?",
@@ -273,7 +283,6 @@ class ApprovalDispatchIT {
   void concurrentDispatchOnlySucceedsOnce() throws Exception {
     long instanceId = reachDispatch("并发派单");
     long leaderTask = pendingTaskId(instanceId, acceptLeader.userId);
-    long memberTask = pendingTaskId(instanceId, acceptMember.userId);
 
     CountDownLatch start = new CountDownLatch(1);
     CountDownLatch done = new CountDownLatch(2);
@@ -283,7 +292,7 @@ class ApprovalDispatchIT {
     try {
       dispatchAsync(executor, start, done, leaderTask, acceptLeader, acceptOrgId,
         acceptMember.userId, success, conflict);
-      dispatchAsync(executor, start, done, memberTask, acceptMember, acceptOrgId,
+      dispatchAsync(executor, start, done, leaderTask, acceptLeader, acceptOrgId,
         acceptLeader.userId, success, conflict);
       start.countDown();
       assertThat(done.await(30, TimeUnit.SECONDS)).isTrue();
@@ -298,7 +307,7 @@ class ApprovalDispatchIT {
     assertThat(data.countMaster("SELECT COUNT(*) FROM approval_task WHERE instance_id = ? "
       + "AND node_type = 'DISPATCH' AND status = 'DONE'", instanceId)).isEqualTo(1);
     assertThat(data.countMaster("SELECT COUNT(*) FROM approval_task WHERE instance_id = ? "
-      + "AND node_type = 'DISPATCH' AND status = 'CANCELLED'", instanceId)).isEqualTo(1);
+      + "AND node_type = 'DISPATCH'", instanceId)).isEqualTo(1);
     assertThat(data.countMaster("SELECT COUNT(*) FROM approval_task WHERE instance_id = ? "
       + "AND node_type = 'CONFIRM' AND status = 'PENDING'", instanceId)).isEqualTo(2);
   }
diff --git a/src/test/java/com/gxwebsoft/approval/ApprovalExportIT.java b/src/test/java/com/gxwebsoft/approval/ApprovalExportIT.java
index d29ddcc..e9d8aea 100644
--- a/src/test/java/com/gxwebsoft/approval/ApprovalExportIT.java
+++ b/src/test/java/com/gxwebsoft/approval/ApprovalExportIT.java
@@ -139,7 +139,7 @@ class ApprovalExportIT {
 
     mockMvc.perform(authed(post(URL), reporter, LIST, EXPORT)
         .contentType(MediaType.APPLICATION_JSON)
-        .content("{\"keyword\":" + quote(mark) + "}"))
+        .content("{\"keywords\":" + quote(mark) + "}"))
       .andExpect(status().isOk())
       .andExpect(jsonPath("$.code").value(1))
       .andExpect(jsonPath("$.message").value(org.hamcrest.Matchers.containsString("请缩小筛选范围")));
@@ -164,7 +164,7 @@ class ApprovalExportIT {
 
     String response = mockMvc.perform(authed(post(URL), reporter, LIST, EXPORT)
         .contentType(MediaType.APPLICATION_JSON)
-        .content("{\"keyword\":" + quote(mark) + "}"))
+        .content("{\"keywords\":" + quote(mark) + "}"))
       .andExpect(status().isOk())
       .andExpect(jsonPath("$.code").value(0))
       .andReturn().getResponse().getContentAsString(StandardCharsets.UTF_8);
@@ -244,7 +244,7 @@ class ApprovalExportIT {
 
     mockMvc.perform(authed(post(URL), reporter, LIST, EXPORT)
         .contentType(MediaType.APPLICATION_JSON)
-        .content("{\"keyword\":" + quote(mark) + "}"))
+        .content("{\"keywords\":" + quote(mark) + "}"))
       .andExpect(status().isOk())
       .andExpect(jsonPath("$.code").value(0))
       .andExpect(jsonPath("$.message").value(org.hamcrest.Matchers.containsString("共2条")));
@@ -281,10 +281,10 @@ class ApprovalExportIT {
     return null;
   }
 
-  private List<String> exportBizNos(ApprovalTestData.TestUser user, String keyword) throws Exception {
+  private List<String> exportBizNos(ApprovalTestData.TestUser user, String keywords) throws Exception {
     String response = mockMvc.perform(authed(post(URL), user, LIST, EXPORT)
         .contentType(MediaType.APPLICATION_JSON)
-        .content("{\"keyword\":" + quote(keyword) + "}"))
+        .content("{\"keywords\":" + quote(keywords) + "}"))
       .andExpect(status().isOk())
       .andExpect(jsonPath("$.code").value(0))
       .andReturn().getResponse().getContentAsString(StandardCharsets.UTF_8);
diff --git a/src/test/java/com/gxwebsoft/approval/ApprovalPcTodoIT.java b/src/test/java/com/gxwebsoft/approval/ApprovalPcTodoIT.java
index 26e43fd..8ca1e2d 100644
--- a/src/test/java/com/gxwebsoft/approval/ApprovalPcTodoIT.java
+++ b/src/test/java/com/gxwebsoft/approval/ApprovalPcTodoIT.java
@@ -142,6 +142,54 @@ class ApprovalPcTodoIT {
       .andExpect(jsonPath("$.message").value(org.hamcrest.Matchers.containsString("无权处理该任务")));
   }
 
+  @Test
+  void listsAllTenantPendingTasksForAssignUserAndReassignsOthers() throws Exception {
+    String title = "全租户待办" + data.uniqueSuffix();
+    long instanceId = createAndSubmit(title);
+    long taskId = pendingTaskId(instanceId, leader.userId);
+
+    // 有 assign 权限的 PC 用户通过 scope=all 看到他人待办
+    mockMvc.perform(authed(get("/api/approval/todo/page").param("scope", "all")
+          .param("keywords", title), admin, organizationId, LIST, ASSIGN))
+      .andExpect(status().isOk())
+      .andExpect(jsonPath("$.code").value(0))
+      .andExpect(jsonPath("$.data.count").value(1))
+      .andExpect(jsonPath("$.data.list[0].id").value((int) instanceId));
+
+    // 非处理人也能打开详情，并按任务 id 拿到待办任务与改派权限
+    mockMvc.perform(authed(get("/api/approval/instance/" + instanceId), admin, organizationId, LIST, ASSIGN))
+      .andExpect(status().isOk())
+      .andExpect(jsonPath("$.code").value(0))
+      .andExpect(jsonPath("$.data.permissions.canAssign").value(true))
+      .andExpect(jsonPath("$.data.myTask").doesNotExist())
+      .andExpect(jsonPath("$.data.pendingTasks.length()").value(1))
+      .andExpect(jsonPath("$.data.pendingTasks[0].id").value((int) taskId))
+      .andExpect(jsonPath("$.data.pendingTasks[0].assigneeId").value(leader.userId))
+      .andExpect(jsonPath("$.data.pendingTasks[0].nodeName").value("报送部门负责人"));
+
+    // 按待办任务 id 改派成功，待办转移到新处理人
+    ApprovalTestData.TestUser target = data.createUser("全租户改派目标" + data.uniqueSuffix(), organizationId);
+    mockMvc.perform(assign(taskId, admin, ASSIGN, target.userId, "全租户改派" + data.uniqueSuffix()))
+      .andExpect(status().isOk())
+      .andExpect(jsonPath("$.code").value(0))
+      .andExpect(jsonPath("$.data.assigneeId").value(target.userId));
+    mockMvc.perform(authed(get("/api/approval/todo/page"), leader, organizationId, LIST))
+      .andExpect(jsonPath("$.data.count").value(0));
+    mockMvc.perform(authed(get("/api/approval/todo/page"), target, organizationId, LIST))
+      .andExpect(jsonPath("$.data.count").value(1))
+      .andExpect(jsonPath("$.data.list[0].id").value((int) instanceId));
+  }
+
+  @Test
+  void rejectsScopeAllWithoutAssignAuthority() throws Exception {
+    long instanceId = createAndSubmit("全租户越权" + data.uniqueSuffix());
+    assertThat(instanceId).isPositive();
+
+    mockMvc.perform(authed(get("/api/approval/todo/page").param("scope", "all"), admin, organizationId, LIST))
+      .andExpect(status().isOk())
+      .andExpect(jsonPath("$.code").value(403));
+  }
+
   @Test
   void rejectsAssignToUnknownOrInactiveUser() throws Exception {
     long instanceId = createAndSubmit("改派无效目标");
diff --git a/src/test/java/com/gxwebsoft/approval/ApprovalQueryIT.java b/src/test/java/com/gxwebsoft/approval/ApprovalQueryIT.java
index 37c38ef..31f2d62 100644
--- a/src/test/java/com/gxwebsoft/approval/ApprovalQueryIT.java
+++ b/src/test/java/com/gxwebsoft/approval/ApprovalQueryIT.java
@@ -81,25 +81,25 @@ class ApprovalQueryIT {
     long draft = createCompletionDraft("场馆维护草稿", "广西体育中心保障部");
 
     // 单据类型 + 关键词命中实施单位
-    assertThat(queryIds("?docType=completion&keyword=实施部")).containsExactly(submitted);
+    assertThat(queryIds("?docType=completion&keywords=实施部")).containsExactly(submitted);
     // 关键词命中协调单标题
-    assertThat(queryIds("?docType=coordination&keyword=维修协调")).containsExactly(coordination);
+    assertThat(queryIds("?docType=coordination&keywords=维修协调")).containsExactly(coordination);
     // 关键词命中单号
     String bizNo = data.queryMaster("SELECT biz_no FROM approval_instance WHERE id = ?", String.class, submitted);
-    assertThat(queryIds("?keyword=" + bizNo)).containsExactly(submitted);
+    assertThat(queryIds("?keywords=" + bizNo)).containsExactly(submitted);
     // 报送部门：两类单据都按报送部门过滤，其它部门不命中
     assertThat(queryIds("?reportOrgId=" + reportOrgId))
       .containsExactlyInAnyOrder(submitted, coordination, draft);
     assertThat(queryIds("?reportOrgId=" + acceptOrgId)).isEmpty();
     // 受理部门
     assertThat(queryIds("?acceptOrgId=" + acceptOrgId)).containsExactly(coordination);
-    // 发起人
+    // 报送人
     assertThat(queryIds("?reporterId=" + reporter.userId)).containsExactlyInAnyOrder(submitted, coordination, draft);
     // 状态
     assertThat(queryIds("?status=PENDING")).containsExactlyInAnyOrder(submitted, coordination);
     assertThat(queryIds("?status=DRAFT")).containsExactly(draft);
     // 总数与分页总数一致
-    assertThat(queryCount("?keyword=实施部")).isEqualTo(1);
+    assertThat(queryCount("?keywords=实施部")).isEqualTo(1);
     // 单号精确筛选
     assertThat(queryIds("?bizNo=" + bizNo)).containsExactly(submitted);
     // 提交时间范围
@@ -142,7 +142,7 @@ class ApprovalQueryIT {
 
   @Test
   void limitsListByDataPermission() throws Exception {
-    long draft = createCompletionDraft("仅发起人可见草稿");
+    long draft = createCompletionDraft("仅报送人可见草稿");
     long pending = seedCoordination("待处理协调单", "PENDING", LocalDateTime.now().minusHours(1), null);
 
     ApprovalTestData.TestUser outsider = data.createUser("无关人员" + data.uniqueSuffix(), acceptOrgId);
@@ -161,7 +161,7 @@ class ApprovalQueryIT {
     ApprovalTestData.TestRole archivistRole = data.createRole(ApprovalConstants.ROLE_ARCHIVIST, "收文员");
     data.bind(archivist.userId, archivistRole.roleId);
 
-    // 发起人可见自己的草稿与在途单据
+    // 报送人可见自己的草稿与在途单据
     assertThat(queryIdsAs(reporter, "")).containsExactlyInAnyOrder(draft, pending);
     // 参与人：有任务、有处理记录、被派单
     assertThat(queryIdsAs(assignee, "")).containsExactly(pending);
@@ -170,7 +170,7 @@ class ApprovalQueryIT {
     // 无关人员看不到他人单据
     assertThat(queryIdsAs(outsider, "")).isEmpty();
     assertThat(queryIdsAs(outsider, "?status=PENDING")).isEmpty();
-    // 收文员看全租户，但草稿仍只属于发起人
+    // 收文员看全租户，但草稿仍只属于报送人
     assertThat(queryIdsAs(archivist, "")).contains(pending).doesNotContain(draft);
     assertThat(queryIdsAs(archivist, "?status=DRAFT")).isEmpty();
   }