diff --git a/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/service/IFlwTaskAssigneeService.java b/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/service/IFlwTaskAssigneeService.java
index 462a2b58e..3f0535a6e 100644
--- a/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/service/IFlwTaskAssigneeService.java
+++ b/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/service/IFlwTaskAssigneeService.java
@@ -11,15 +11,6 @@ import java.util.List;
  */
 public interface IFlwTaskAssigneeService {
 
-    /**
-     * 根据存储标识符（storageId）解析分配类型和ID，并获取对应的用户列表
-     * 支持单个标识（例如 "user:123" 或 "456"），格式非法将返回空列表
-     *
-     * @param storageId 包含分配类型和ID的字符串
-     * @return 匹配的用户列表，格式非法返回空列表
-     */
-    List<RemoteUserVo> fetchUsersByStorageId(String storageId);
-
     /**
      * 批量解析多个存储标识符（storageIds），按类型分类并合并查询用户列表
      * 输入格式支持多个以逗号分隔的标识（如 "user:123,role:456,789"）
diff --git a/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/service/impl/FlwCommonServiceImpl.java b/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/service/impl/FlwCommonServiceImpl.java
index 1a9e1275d..7af0a8d58 100644
--- a/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/service/impl/FlwCommonServiceImpl.java
+++ b/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/service/impl/FlwCommonServiceImpl.java
@@ -81,7 +81,7 @@ public class FlwCommonServiceImpl implements IFlwCommonService {
             List<User> entryValue = entry.getValue();
             String processedBys = StreamUtils.join(entryValue, User::getProcessedBy);
             // 根据 processedBy 前缀判断处理人类型，分别获取用户列表
-            List<RemoteUserVo> users = taskAssigneeService.fetchUsersByStorageId(processedBys);
+            List<RemoteUserVo> users = taskAssigneeService.fetchUsersByStorageIds(processedBys);
             // 转换为 FlowUser 并添加到结果集合
             if (CollUtil.isNotEmpty(users)) {
                 users.forEach(dto -> {
diff --git a/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/service/impl/FlwTaskAssigneeServiceImpl.java b/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/service/impl/FlwTaskAssigneeServiceImpl.java
index 207945664..03dcf2d0a 100644
--- a/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/service/impl/FlwTaskAssigneeServiceImpl.java
+++ b/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/service/impl/FlwTaskAssigneeServiceImpl.java
@@ -8,7 +8,6 @@ import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.dubbo.config.annotation.DubboReference;
 import org.dromara.common.core.enums.FormatsType;
-import org.dromara.common.core.exception.ServiceException;
 import org.dromara.common.core.utils.DateUtils;
 import org.dromara.common.core.utils.StringUtils;
 import org.dromara.system.api.RemoteDeptService;
@@ -171,22 +170,6 @@ public class FlwTaskAssigneeServiceImpl implements IFlwTaskAssigneeService, Hand
             .setCreateTime(assignee -> DateUtils.parseDateToStr(FormatsType.YYYY_MM_DD_HH_MM_SS, assignee.getCreateTime()));
     }
 
-    /**
-     * 根据存储标识符（storageId）解析分配类型和ID，并获取对应的用户列表
-     * 支持单个标识（例如 "user:123" 或 "456"），格式非法将返回空列表
-     *
-     * @param storageId 包含分配类型和ID的字符串
-     * @return 匹配的用户列表，格式非法返回空列表
-     */
-    @Override
-    public List<RemoteUserVo> fetchUsersByStorageId(String storageId) {
-        Pair<TaskAssigneeEnum, Long> parsed = this.parseStorageId(storageId);
-        if (parsed == null) {
-            return Collections.emptyList();
-        }
-        return this.getUsersByType(parsed.getKey(), Collections.singletonList(parsed.getValue()));
-    }
-
     /**
      * 批量解析多个存储标识符（storageIds），按类型分类并合并查询用户列表
      * 输入格式支持多个以逗号分隔的标识（如 "user:123,role:456,789"）
@@ -197,8 +180,11 @@ public class FlwTaskAssigneeServiceImpl implements IFlwTaskAssigneeService, Hand
      */
     @Override
     public List<RemoteUserVo> fetchUsersByStorageIds(String storageIds) {
+        if (StringUtils.isEmpty(storageIds)) {
+            return List.of();
+        }
         Map<TaskAssigneeEnum, List<Long>> typeIdMap = new EnumMap<>(TaskAssigneeEnum.class);
-        for (String storageId : storageIds.split(StrUtil.COMMA)) {
+        for (String storageId : storageIds.split(StringUtils.SEPARATOR)) {
             Pair<TaskAssigneeEnum, Long> parsed = this.parseStorageId(storageId);
             if (parsed != null) {
                 typeIdMap.computeIfAbsent(parsed.getKey(), k -> new ArrayList<>()).add(parsed.getValue());
diff --git a/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/service/impl/FlwTaskServiceImpl.java b/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/service/impl/FlwTaskServiceImpl.java
index 26fe3e78b..e22cdfd14 100644
--- a/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/service/impl/FlwTaskServiceImpl.java
+++ b/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/service/impl/FlwTaskServiceImpl.java
@@ -603,7 +603,7 @@ public class FlwTaskServiceImpl implements IFlwTaskService {
             for (FlowNode flowNode : nextFlowNodes) {
                 buildNextTaskList.stream().filter(t -> t.getNodeCode().equals(flowNode.getNodeCode())).findFirst().ifPresent(t -> {
                     if (CollUtil.isNotEmpty(t.getPermissionList())) {
-                        List<RemoteUserVo> users = flwTaskAssigneeService.fetchUsersByStorageId(String.join(StringUtils.SEPARATOR, t.getPermissionList()));
+                        List<RemoteUserVo> users = flwTaskAssigneeService.fetchUsersByStorageIds(String.join(StringUtils.SEPARATOR, t.getPermissionList()));
                         if (CollUtil.isNotEmpty(users)) {
                             flowNode.setPermissionFlag(StreamUtils.join(users, e -> String.valueOf(e.getUserId())));
                         }