diff --git a/AVOS/LeanCloudObjcTests/LCLeaderboardTestCase.swift b/AVOS/LeanCloudObjcTests/LCLeaderboardTestCase.swift
index 54202506..bbf8a4d4 100644
--- a/AVOS/LeanCloudObjcTests/LCLeaderboardTestCase.swift
+++ b/AVOS/LeanCloudObjcTests/LCLeaderboardTestCase.swift
@@ -565,4 +565,86 @@ class LCLeaderboardTestCase: BaseTestCase {
             }
         }
     }
+    
+    func testGetGroupUserRankings() {
+        let object = LCObject()
+        XCTAssertTrue(object.save())
+        let user = LCUser()
+        let objectFieldKey = "objectField"
+        user[objectFieldKey] = object
+        expecting { exp in
+            user.login(withAuthData: ["openid" : uuid], platformId: "test", options: nil) { _, error in
+                XCTAssertNil(error)
+                exp.fulfill()
+            }
+        }
+        guard let userObjectId = user.objectId else {
+            XCTFail()
+            return
+        }
+        
+        let statisticName0 = "test-user-0"
+        let statisticName1 = "test-user-1"
+        var statistic0version = -1
+        var statistic1version = -1
+        
+        expecting { exp in
+            LCLeaderboard.updateCurrentUserStatistics(
+                [statisticName0 : 100,
+                 statisticName1 : 100])
+            { statistics, error in
+                XCTAssertEqual(statistics?.count, 2)
+                XCTAssertNil(error)
+                XCTAssertNotEqual(statistics?.first?.name, statistics?.last?.name)
+                for item in statistics ?? [] {
+                    XCTAssertTrue([statisticName0, statisticName1].contains(item.name ?? ""))
+                    XCTAssertEqual(item.value, 100)
+                    XCTAssertGreaterThanOrEqual(item.version, 0)
+                    if (item.name ?? "") == statisticName0 {
+                        statistic0version = item.version
+                    } else {
+                        statistic1version = item.version
+                    }
+                }
+                exp.fulfill()
+            }
+        }
+        
+        let leaderboard0 = LCLeaderboard(statisticName: statisticName0)
+        let leaderboard1 = LCLeaderboard(statisticName: statisticName1)
+        let option = LCLeaderboardQueryOption()
+        option.selectKeys = [objectFieldKey]
+        option.includeKeys = [objectFieldKey]
+        
+        expecting(count: 2) { exp in
+            leaderboard0.limit = 1
+            leaderboard0.includeStatistics = [statisticName1]
+            leaderboard0.version = statistic0version
+            leaderboard0.getGroupUserResults(withUserIds: [userObjectId], aroundUser: userObjectId, option: option) { rankings, error in
+                XCTAssertEqual(rankings?.count, 1)
+                XCTAssertNil(error)
+                for item in rankings ?? [] {
+                    XCTAssertEqual(item.statisticName, leaderboard0.statisticName)
+                    XCTAssertGreaterThanOrEqual(item.rank, 0)
+                    XCTAssertEqual(item.value, 100)
+                    XCTAssertEqual(item.includedStatistics?.first?.name, statisticName1)
+                    XCTAssertEqual(item.includedStatistics?.first?.value, 100)
+                    XCTAssertEqual(item.user?.objectId, userObjectId)
+                    XCTAssertNotNil((item.user?[objectFieldKey] as? LCObject)?.createdAt)
+                    XCTAssertNil(item.object)
+                    XCTAssertNil(item.entity)
+                }
+                exp.fulfill()
+            }
+            leaderboard1.skip = 1
+            leaderboard1.version = statistic1version
+            leaderboard1.getGroupUserResults(withUserIds: [userObjectId], option: option) { rankings, error in
+                for item in rankings ?? [] {
+                    XCTAssertNotEqual(item.rank, 0)
+                }
+                XCTAssertNil(error)
+                exp.fulfill()
+            }
+        }
+    }
 }
diff --git a/AVOS/Sources/Foundation/Leaderboard/LCLeaderboard.h b/AVOS/Sources/Foundation/Leaderboard/LCLeaderboard.h
index afacfecd..6bfbd96a 100644
--- a/AVOS/Sources/Foundation/Leaderboard/LCLeaderboard.h
+++ b/AVOS/Sources/Foundation/Leaderboard/LCLeaderboard.h
@@ -184,6 +184,24 @@ NS_ASSUME_NONNULL_BEGIN
 - (void)getEntityResultsAroundEntity:(NSString * _Nullable)entity
                             callback:(void (^)(NSArray<LCLeaderboardRanking *> * _Nullable rankings, NSInteger count, NSError * _Nullable error))callback;
 
+/// Get rankings of a group of user on this leaderboard.
+/// @param userIds A group of user's object id.
+/// @param option The query option, see `LCLeaderboardQueryOption`.
+/// @param callback Result callback.
+- (void)getGroupUserResultsWithUserIds:(NSArray<NSString *> *)userIds
+                                option:(LCLeaderboardQueryOption * _Nullable)option
+                              callback:(void (^)(NSArray<LCLeaderboardRanking *> * _Nullable rankings, NSError * _Nullable error))callback;
+
+/// Get rankings of a group of user around one user on this leaderboard.
+/// @param userIds A group of user's object id.
+/// @param userId The object id of the around user.
+/// @param option The query option, see `LCLeaderboardQueryOption`.
+/// @param callback Result callback.
+- (void)getGroupUserResultsWithUserIds:(NSArray<NSString *> *)userIds
+                            aroundUser:(NSString * _Nullable)userId
+                                option:(LCLeaderboardQueryOption * _Nullable)option
+                              callback:(void (^)(NSArray<LCLeaderboardRanking *> * _Nullable rankings, NSError * _Nullable error))callback;
+
 @end
 
 NS_ASSUME_NONNULL_END
diff --git a/AVOS/Sources/Foundation/Leaderboard/LCLeaderboard.m b/AVOS/Sources/Foundation/Leaderboard/LCLeaderboard.m
index 5002e7a4..fabc6786 100644
--- a/AVOS/Sources/Foundation/Leaderboard/LCLeaderboard.m
+++ b/AVOS/Sources/Foundation/Leaderboard/LCLeaderboard.m
@@ -256,6 +256,7 @@ - (void)getStatisticsWithIdentities:(NSArray<NSString *> *)identities
         });
         return;
     }
+    NSDictionary *parameters = @{ @"ids" : identities };
     NSString *path = [NSString stringWithFormat:@"leaderboard/%@/statistics/%@", leaderboardPath, self.statisticName];
     if (option) {
         NSMutableArray<NSString *> *queryStrings = [NSMutableArray array];
@@ -274,7 +275,7 @@ - (void)getStatisticsWithIdentities:(NSArray<NSString *> *)identities
         }
     }
     [[LCPaasClient sharedInstance] postObject:path
-                               withParameters:identities
+                               withParameters:parameters
                                         block:^(id  _Nullable object, NSError * _Nullable error) {
         [[self class] handleStatisticsCallback:callback error:error object:object];
     }];
@@ -389,6 +390,98 @@ - (void)getResultsAroundIdentity:(NSString *)identity
     }];
 }
 
+- (void)getGroupUserResultsWithUserIds:(NSArray<NSString *> *)userIds
+                                option:(LCLeaderboardQueryOption *)option
+                              callback:(void (^)(NSArray<LCLeaderboardRanking *> * _Nullable, NSError * _Nullable))callback
+{
+    [self getGroupUserResultsWithIdentities:userIds
+                            leaderboardPath:LCLeaderboardPathUser
+                             aroundIdentity:nil
+                                     option:option
+                                   callback:callback];
+}
+
+- (void)getGroupUserResultsWithUserIds:(NSArray<NSString *> *)userIds
+                            aroundUser:(NSString *)userId
+                                option:(LCLeaderboardQueryOption *)option
+                              callback:(void (^)(NSArray<LCLeaderboardRanking *> * _Nullable, NSError * _Nullable))callback
+{
+    [self getGroupUserResultsWithIdentities:userIds
+                            leaderboardPath:LCLeaderboardPathUser
+                             aroundIdentity:userId
+                                     option:option
+                                   callback:callback];
+}
+
+- (void)getGroupUserResultsWithIdentities:(NSArray<NSString *> *)identities
+                          leaderboardPath:(LCLeaderboardPath)leaderboardPath
+                           aroundIdentity:(NSString *)identity
+                                   option:(LCLeaderboardQueryOption *)option
+                                 callback:(void (^)(NSArray<LCLeaderboardRanking *> * _Nullable, NSError * _Nullable))callback
+{
+    if (!identities || identities.count == 0) {
+        NSError *error = LCError(LCErrorInternalErrorCodeInconsistency, @"First parameter invalid.", nil);
+        [LCUtils callArrayResultBlock:callback array:nil error:error];
+        return;
+    }
+    NSDictionary *parameters = @{ @"ids" : identities };
+    NSString *path = [NSString stringWithFormat:@"leaderboard/leaderboards/%@/%@/group/ranks", leaderboardPath, self.statisticName];
+    if (identity && identity.length > 0) {
+        path = [path stringByAppendingPathComponent:identity];
+    }
+    NSMutableDictionary<NSString *, NSString *> *urlQueryDictionary = [NSMutableDictionary dictionary];
+    [[self class] trySetOption:option parameters:urlQueryDictionary];
+    if (!identity && self.skip > 0) {
+        urlQueryDictionary[@"startPosition"] = @(self.skip).stringValue;
+    }
+    if (self.limit > 0) {
+        urlQueryDictionary[@"maxResultsCount"] = @(self.limit).stringValue;
+    }
+    if (self.includeStatistics && self.includeStatistics.count > 0) {
+        urlQueryDictionary[@"includeStatistics"] = [self.includeStatistics componentsJoinedByString:@","];
+    }
+    if (self.version > -1) {
+        urlQueryDictionary[@"version"] = @(self.version).stringValue;
+    }
+    NSString *urlQuery;
+    if (urlQueryDictionary.count > 0) {
+        NSMutableArray<NSURLQueryItem *> *queryItems = [NSMutableArray arrayWithCapacity:urlQueryDictionary.count];
+        for (NSString *key in urlQueryDictionary) {
+            NSString *value = urlQueryDictionary[key];
+            NSURLQueryItem *queryItem = [NSURLQueryItem queryItemWithName:key value:value];
+            [queryItems addObject:queryItem];
+        }
+        NSURLComponents *urlComponents = [NSURLComponents componentsWithString:@"http://example.com"];
+        urlComponents.queryItems = queryItems;
+        urlQuery = urlComponents.URL.query;
+    }
+    if (urlQuery) {
+        path = [path stringByAppendingFormat:@"?%@", urlQuery];
+    }
+    [[LCPaasClient sharedInstance] postObject:path
+                               withParameters:parameters
+                                        block:^(id  _Nullable object, NSError * _Nullable error) {
+        if (error) {
+            [LCUtils callArrayResultBlock:callback array:nil error:error];
+            return;
+        }
+        if ([NSDictionary _lc_isTypeOf:object]) {
+            NSArray *results = [NSArray _lc_decoding:object key:@"results"];
+            NSMutableArray<LCLeaderboardRanking *> *rankings = [NSMutableArray arrayWithCapacity:results.count];
+            for (NSDictionary *item in results) {
+                if ([NSDictionary _lc_isTypeOf:item]) {
+                    LCLeaderboardRanking *ranking = [[LCLeaderboardRanking alloc] initWithDictionary:item];
+                    [rankings addObject:ranking];
+                }
+            }
+            [LCUtils callArrayResultBlock:callback array:rankings error:nil];
+        } else {
+            NSError *error = LCError(LCErrorInternalErrorCodeMalformedData, @"Malformed response data.", nil);
+            [LCUtils callArrayResultBlock:callback array:nil error:error];
+        }
+    }];
+}
+
 // MARK: Misc
 
 + (void)trySetOption:(LCLeaderboardQueryOption * _Nullable)option parameters:(NSMutableDictionary *)parameters {
diff --git a/AVOS/Sources/Foundation/UserAgent.h b/AVOS/Sources/Foundation/UserAgent.h
index 3dddb91c..fac706ee 100644
--- a/AVOS/Sources/Foundation/UserAgent.h
+++ b/AVOS/Sources/Foundation/UserAgent.h
@@ -1 +1 @@
-#define SDK_VERSION @"13.8.0"
+#define SDK_VERSION @"13.9.0"
diff --git a/LeanCloudObjc.podspec b/LeanCloudObjc.podspec
index b4799548..383fa207 100644
--- a/LeanCloudObjc.podspec
+++ b/LeanCloudObjc.podspec
@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name     = 'LeanCloudObjc'
-  s.version  = '13.8.0'
+  s.version  = '13.9.0'
   s.homepage = 'https://leancloud.cn/'
   s.summary  = 'LeanCloud Objective-C SDK'
   s.authors  = 'LeanCloud'