diff --git a/server/api-service/lowcoder-domain/src/main/java/org/lowcoder/domain/group/service/GroupMemberService.java b/server/api-service/lowcoder-domain/src/main/java/org/lowcoder/domain/group/service/GroupMemberService.java
index 813628d064..9f95a4d676 100644
--- a/server/api-service/lowcoder-domain/src/main/java/org/lowcoder/domain/group/service/GroupMemberService.java
+++ b/server/api-service/lowcoder-domain/src/main/java/org/lowcoder/domain/group/service/GroupMemberService.java
@@ -41,4 +41,6 @@ public interface GroupMemberService {
 
     Mono<Boolean> bulkRemoveMember(String groupId, Collection<String> userIds);
 
+    Mono<List<GroupMember>> getGroupMembersByIdAndRole(String groupId, String role);
+
 }
diff --git a/server/api-service/lowcoder-domain/src/main/java/org/lowcoder/domain/group/service/GroupMemberServiceImpl.java b/server/api-service/lowcoder-domain/src/main/java/org/lowcoder/domain/group/service/GroupMemberServiceImpl.java
index 82de01adf4..a5c8f21b1b 100644
--- a/server/api-service/lowcoder-domain/src/main/java/org/lowcoder/domain/group/service/GroupMemberServiceImpl.java
+++ b/server/api-service/lowcoder-domain/src/main/java/org/lowcoder/domain/group/service/GroupMemberServiceImpl.java
@@ -35,6 +35,13 @@ public Mono<List<GroupMember>> getGroupMembers(String groupId) {
                 .collectList();
     }
 
+    @Override
+    public Mono<List<GroupMember>> getGroupMembersByIdAndRole(String groupId, String role) {
+        return biRelationService.getBySourceIdAndRelation(GROUP_MEMBER, groupId, role)
+                .map(GroupMember::from)
+                .collectList();
+    }
+
     @Override
     public Mono<Boolean> addMember(String orgId, String groupId, String userId, MemberRole memberRole) {
         return biRelationService.addBiRelation(GROUP_MEMBER, groupId,
diff --git a/server/api-service/lowcoder-infra/src/main/java/org/lowcoder/infra/birelation/BiRelationServiceImpl.java b/server/api-service/lowcoder-infra/src/main/java/org/lowcoder/infra/birelation/BiRelationServiceImpl.java
index ad98de0f95..56592e1d29 100644
--- a/server/api-service/lowcoder-infra/src/main/java/org/lowcoder/infra/birelation/BiRelationServiceImpl.java
+++ b/server/api-service/lowcoder-infra/src/main/java/org/lowcoder/infra/birelation/BiRelationServiceImpl.java
@@ -185,6 +185,9 @@ public Mono<Boolean> updateState(BiRelationBizType bizType, String sourceId, Str
 
     @Override
     public Flux<BiRelation> getBySourceIdAndRelation(BiRelationBizType bizType, String sourceId, String relation) {
+        if (relation == null || relation.isBlank()) {
+            return biRelationRepository.findByBizTypeAndSourceId(bizType, sourceId);
+        }
         Query query = new Query();
         query.addCriteria(where(BIZ_TYPE).is(bizType));
         query.addCriteria(where(SOURCE_ID).is(sourceId));
diff --git a/server/api-service/lowcoder-server/src/main/java/org/lowcoder/api/usermanagement/GroupApiService.java b/server/api-service/lowcoder-server/src/main/java/org/lowcoder/api/usermanagement/GroupApiService.java
index e227e5d117..7319309842 100644
--- a/server/api-service/lowcoder-server/src/main/java/org/lowcoder/api/usermanagement/GroupApiService.java
+++ b/server/api-service/lowcoder-server/src/main/java/org/lowcoder/api/usermanagement/GroupApiService.java
@@ -10,6 +10,8 @@
 public interface GroupApiService {
     Mono<GroupMemberAggregateView> getGroupMembers(String groupId, int page, int count);
 
+    Mono<GroupMemberAggregateView> getGroupMembersForSearch(String groupId, String search, String role, String sort, String order, Integer pageNum, Integer pageSize);
+
     Mono<Boolean> addGroupMember(String groupId, String newUserId, String roleName);
 
     Mono<Boolean> updateRoleForMember(String groupId, UpdateRoleRequest updateRoleRequest);
diff --git a/server/api-service/lowcoder-server/src/main/java/org/lowcoder/api/usermanagement/GroupApiServiceImpl.java b/server/api-service/lowcoder-server/src/main/java/org/lowcoder/api/usermanagement/GroupApiServiceImpl.java
index 3dbd8b6dd1..8b7fc20c94 100644
--- a/server/api-service/lowcoder-server/src/main/java/org/lowcoder/api/usermanagement/GroupApiServiceImpl.java
+++ b/server/api-service/lowcoder-server/src/main/java/org/lowcoder/api/usermanagement/GroupApiServiceImpl.java
@@ -111,6 +111,91 @@ public Mono<GroupMemberAggregateView> getGroupMembers(String groupId, int page,
                 });
     }
 
+    @Override
+    public Mono<GroupMemberAggregateView> getGroupMembersForSearch(String groupId, String search, String role, String sort, String order, Integer pageNum, Integer pageSize) {
+        Mono<Tuple2<GroupMember, OrgMember>> groupAndOrgMemberInfo = getGroupAndOrgMemberInfo(groupId).cache();
+
+        Mono<MemberRole> visitorRoleMono = groupAndOrgMemberInfo.flatMap(tuple -> {
+            GroupMember groupMember = tuple.getT1();
+            OrgMember orgMember = tuple.getT2();
+            if (groupMember.isSuperAdmin() || orgMember.isSuperAdmin()) {
+                return Mono.just(MemberRole.SUPER_ADMIN);
+            }
+            if (groupMember.isAdmin() || orgMember.isAdmin()) {
+                return Mono.just(MemberRole.ADMIN);
+            }
+            if (groupMember.isValid()) {
+                return Mono.just(MemberRole.MEMBER);
+            }
+            return ofError(BizError.NOT_AUTHORIZED, NOT_AUTHORIZED);
+        });
+
+        return groupAndOrgMemberInfo
+                .filter(this::hasReadPermission)
+                .switchIfEmpty(deferredError(BizError.NOT_AUTHORIZED, NOT_AUTHORIZED))
+                .flatMap(groupMember -> groupMemberService.getGroupMembersByIdAndRole(groupId, role))
+                .<Pair<List<GroupMemberView>, Integer>> flatMap(members -> {
+                    if (members.isEmpty()) {
+                        return Mono.just(Pair.of(emptyList(), 0));
+                    }
+
+                    List<String> userIds = collectList(members, GroupMember::getUserId);
+                    Mono<Map<String, User>> userMapMono = userService.getByIds(userIds);
+                    return userMapMono.map(map -> {
+                        var list = members.stream()
+                                .map(orgMember -> {
+                                    User user = map.get(orgMember.getUserId());
+                                    if (user == null) {
+                                        return null;
+                                    }
+                                    return new GroupMemberView(orgMember, user);
+                                })
+                                .filter(Objects::nonNull)
+                                .filter(view -> {
+                                    if (search == null || search.isBlank()) return true;
+                                    return view.getUserName() != null &&
+                                            view.getUserName().toLowerCase().contains(search.toLowerCase());
+                                })
+                                .toList();
+                        List<GroupMemberView> mutableList = new ArrayList<>(list);
+                        if (sort != null && !sort.isBlank()) {
+                            Comparator<GroupMemberView> comparator = null;
+                            if ("userName".equalsIgnoreCase(sort)) {
+                                comparator = Comparator.comparing(GroupMemberView::getUserName, Comparator.nullsLast(String::compareToIgnoreCase));
+                            } else if ("role".equalsIgnoreCase(sort)) {
+                                comparator = Comparator.comparing(GroupMemberView::getRole, Comparator.nullsLast(String::compareToIgnoreCase));
+                            } else if ("joinTime".equalsIgnoreCase(sort)) {
+                                comparator = Comparator.comparing(GroupMemberView::getJoinTime, Comparator.nullsLast(Long::compareTo));
+                            }
+                            if (comparator != null && "desc".equalsIgnoreCase(order)) {
+                                comparator = comparator.reversed();
+                            }
+                            if (comparator != null) {
+                                mutableList.sort(comparator);
+                            }
+                        }
+
+                        int pageTotal = mutableList.size();
+                        int fromIndex = Math.max(0, (pageNum - 1) * pageSize);
+                        int toIndex = pageSize == 0 ? pageTotal : Math.min(pageNum * pageSize, pageTotal);
+                        List<GroupMemberView> pagedList = fromIndex < toIndex ? mutableList.subList(fromIndex, toIndex) : emptyList();
+
+                        return Pair.of(pagedList, pageTotal);
+                    });
+                })
+                .zipWith(visitorRoleMono)
+                .map(tuple -> {
+                    Pair<List<GroupMemberView>, Integer> t1 = tuple.getT1();
+                    return GroupMemberAggregateView.builder()
+                            .members(t1.getLeft())
+                            .total(t1.getRight())
+                            .pageNum(pageNum)
+                            .pageSize(pageSize)
+                            .visitorRole(tuple.getT2().getValue())
+                            .build();
+                });
+    }
+
     private boolean hasReadPermission(Tuple2<GroupMember, OrgMember> tuple) {
         GroupMember groupMember = tuple.getT1();
         OrgMember orgMember = tuple.getT2();
@@ -366,4 +451,5 @@ public Mono<OrgMemberListView> getPotentialGroupMembers(String groupId, String s
                             });
                 });
     }
+
 }
diff --git a/server/api-service/lowcoder-server/src/main/java/org/lowcoder/api/usermanagement/GroupController.java b/server/api-service/lowcoder-server/src/main/java/org/lowcoder/api/usermanagement/GroupController.java
index 992bba1fe0..0252bd4707 100644
--- a/server/api-service/lowcoder-server/src/main/java/org/lowcoder/api/usermanagement/GroupController.java
+++ b/server/api-service/lowcoder-server/src/main/java/org/lowcoder/api/usermanagement/GroupController.java
@@ -116,11 +116,16 @@ public Mono<GroupListResponseView<List<GroupView>>> getOrgGroups(@RequestParam(r
 
 
     @Override
-    public Mono<ResponseView<GroupMemberAggregateView>> getGroupMembers(@PathVariable String groupId,
-            @RequestParam(required = false, defaultValue = "1") int pageNum,
-            @RequestParam(required = false, defaultValue = "100") int pageSize) {
+    public Mono<ResponseView<GroupMemberAggregateView>> getGroupMembers(
+            @PathVariable String groupId,
+            @RequestParam(required = false) String search,
+            @RequestParam(required = false) String role,
+            @RequestParam(required = false) String sort,
+            @RequestParam(required = false) String order,
+            @RequestParam(required = false, defaultValue = "1") Integer pageNum,
+            @RequestParam(required = false, defaultValue = "100") Integer pageSize) {
         return gidService.convertGroupIdToObjectId(groupId).flatMap(objectId ->
-            groupApiService.getGroupMembers(objectId, pageNum, pageSize)
+            groupApiService.getGroupMembersForSearch(objectId, search, role, sort, order, pageNum, pageSize)
                 .map(ResponseView::success));
     }
 
diff --git a/server/api-service/lowcoder-server/src/main/java/org/lowcoder/api/usermanagement/GroupEndpoints.java b/server/api-service/lowcoder-server/src/main/java/org/lowcoder/api/usermanagement/GroupEndpoints.java
index 3a4b90d567..b4530c1f61 100644
--- a/server/api-service/lowcoder-server/src/main/java/org/lowcoder/api/usermanagement/GroupEndpoints.java
+++ b/server/api-service/lowcoder-server/src/main/java/org/lowcoder/api/usermanagement/GroupEndpoints.java
@@ -68,14 +68,20 @@ public Mono<GroupListResponseView<List<GroupView>>> getOrgGroups(@RequestParam(r
 
 	@Operation(
 			tags = TAG_GROUP_MEMBERS,
-		    operationId = "listGroupMembers",
-		    summary = "List User Group Members",
-		    description = "Retrieve a list of Users / Members within a specific User Group in Lowcoder, showing the group's composition."
+			operationId = "listGroupMembersWithSearchAndSort",
+			summary = "List User Group Members with Search and Sort",
+			description = "Retrieve a paginated, searchable, and sortable list of Users / Members within a specific User Group in Lowcoder."
 	)
-    @GetMapping("/{groupId}/members")
-    public Mono<ResponseView<GroupMemberAggregateView>> getGroupMembers(@PathVariable String groupId,
-            @RequestParam(required = false, defaultValue = "1") int pageNum,
-            @RequestParam(required = false, defaultValue = "100") int pageSize);
+	@GetMapping("/{groupId}/members")
+	public Mono<ResponseView<GroupMemberAggregateView>> getGroupMembers(
+			@PathVariable String groupId,
+			@RequestParam(required = false) String search,
+			@RequestParam(required = false) String role,
+			@RequestParam(required = false) String sort,
+			@RequestParam(required = false) String order,
+			@RequestParam(required = false, defaultValue = "1") Integer pageNum,
+			@RequestParam(required = false, defaultValue = "100") Integer pageSize
+	);
 
 	@Operation(
 			tags = TAG_GROUP_MEMBERS,

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