diff --git a/OpenIMSDK.podspec b/OpenIMSDK.podspec
index 19c6f84..63a97a8 100644
--- a/OpenIMSDK.podspec
+++ b/OpenIMSDK.podspec
@@ -8,7 +8,7 @@
 
 Pod::Spec.new do |s|
   s.name             = 'OpenIMSDK'
-  s.version          = '2.3.0'
+  s.version          = '2.3.1'
   s.summary          = 'Open-IM-SDK'
 
 # This description is used to generate tags and improve search results.
diff --git a/OpenIMSDK/Interface/OIMManager+Group.h b/OpenIMSDK/Interface/OIMManager+Group.h
index cee99b4..eef5cc8 100644
--- a/OpenIMSDK/Interface/OIMManager+Group.h
+++ b/OpenIMSDK/Interface/OIMManager+Group.h
@@ -288,6 +288,13 @@ NS_ASSUME_NONNULL_BEGIN
                           rule:(int32_t)rule
                      onSuccess:(nullable OIMSuccessCallback)onSuccess
                      onFailure:(nullable OIMFailureCallback)onFailure;
+
+/**
+ 搜索群成员
+ */
+- (void)searchGroupMembers:(OIMSearchGroupMembersParam *)searchParam
+                 onSuccess:(nullable OIMGroupMembersInfoCallback)onSuccess
+                 onFailure:(nullable OIMFailureCallback)onFailure;
 @end
 
 NS_ASSUME_NONNULL_END
diff --git a/OpenIMSDK/Interface/OIMManager+Group.m b/OpenIMSDK/Interface/OIMManager+Group.m
index 360fc71..30e60f9 100644
--- a/OpenIMSDK/Interface/OIMManager+Group.m
+++ b/OpenIMSDK/Interface/OIMManager+Group.m
@@ -309,4 +309,16 @@ - (void)setGroupLookMemberInfo:(NSString *)groupID
     
     Open_im_sdkSetGroupLookMemberInfo(callback, [self operationId], groupID, rule);
 }
+
+- (void)searchGroupMembers:(OIMSearchParam *)searchParam
+                 onSuccess:(OIMGroupMembersInfoCallback)onSuccess
+                 onFailure:(OIMFailureCallback)onFailure {
+    CallbackProxy *callback = [[CallbackProxy alloc]initWithOnSuccess:^(NSString * _Nullable data) {
+        if (onSuccess) {
+            onSuccess([OIMGroupMemberInfo mj_objectArrayWithKeyValuesArray:data]);
+        }
+    } onFailure:onFailure];
+    
+    Open_im_sdkSearchGroupMembers(callback, [self operationId], searchParam.mj_JSONString);
+}
 @end
diff --git a/OpenIMSDK/Interface/OIMManager+Message.h b/OpenIMSDK/Interface/OIMManager+Message.h
index 3bbe268..7424ab9 100644
--- a/OpenIMSDK/Interface/OIMManager+Message.h
+++ b/OpenIMSDK/Interface/OIMManager+Message.h
@@ -235,11 +235,20 @@ NS_ASSUME_NONNULL_BEGIN
 
 
 /*
- * 创建动图消息
+ * 创建高级消息
  *
  */
 + (OIMMessageInfo *)createAdvancedTextMessage:(NSString *)text
                             messageEntityList:(NSArray <OIMMessageEntity *> *)messageEntityList;
+
+/*
+ * 创建高级引用消息
+ *
+ */
++ (OIMMessageInfo *)createAdvancedQuoteMessage:(NSString *)text
+                                       message:(OIMMessageInfo *)message
+                             messageEntityList:(NSArray <OIMMessageEntity *> *)messageEntityList;
+
 @end
 
 @interface OIMManager (Message)
@@ -504,6 +513,14 @@ NS_ASSUME_NONNULL_BEGIN
 - (void)getAdvancedHistoryMessageList:(OIMGetAdvancedHistoryMessageListParam *)opts
                             onSuccess:(nullable OIMGetAdvancedHistoryMessageListCallback)onSuccess
                             onFailure:(nullable OIMFailureCallback)onFailure;
+
+/**
+ 查找消息列表
+ */
+- (void)findMessageList:(OIMFindMessageListParam *)param
+              onSuccess:(nullable OIMMessageSearchCallback)onSuccess
+              onFailure:(nullable OIMFailureCallback)onFailure;
+
 @end
 
 NS_ASSUME_NONNULL_END
diff --git a/OpenIMSDK/Interface/OIMManager+Message.m b/OpenIMSDK/Interface/OIMManager+Message.m
index 2b6c870..80c16d9 100644
--- a/OpenIMSDK/Interface/OIMManager+Message.m
+++ b/OpenIMSDK/Interface/OIMManager+Message.m
@@ -216,6 +216,15 @@ + (OIMMessageInfo *)createAdvancedTextMessage:(NSString *)text
     return [self convertToMessageInfo:json];
 }
 
++ (OIMMessageInfo *)createAdvancedQuoteMessage:(NSString *)text
+                                       message:(OIMMessageInfo *)message
+                             messageEntityList:(NSArray<OIMMessageEntity *> *)messageEntityList {
+    NSArray *msgs = [OIMMessageEntity mj_keyValuesArrayWithObjectArray:messageEntityList];
+    NSString *json = Open_im_sdkCreateAdvancedQuoteMessage([OIMManager.manager operationId], text, message.mj_JSONString, [[NSString alloc]initWithData:[NSJSONSerialization dataWithJSONObject:msgs options:0 error:nil] encoding:NSUTF8StringEncoding]);
+    
+    return [self convertToMessageInfo:json];
+}
+
 @end
 
 @implementation OIMManager (Message)
@@ -486,4 +495,16 @@ - (void)getAdvancedHistoryMessageList:(OIMGetAdvancedHistoryMessageListParam *)o
     Open_im_sdkGetAdvancedHistoryMessageList(callback, [self operationId], opts.mj_JSONString);
 }
 
+- (void)findMessageList:(OIMFindMessageListParam *)param
+              onSuccess:(OIMMessageSearchCallback)onSuccess
+              onFailure:(OIMFailureCallback)onFailure {
+    CallbackProxy *callback = [[CallbackProxy alloc]initWithOnSuccess:^(NSString * _Nullable data) {
+        if (onSuccess) {
+            onSuccess([OIMSearchResultInfo mj_objectWithKeyValues:data]);
+        }
+    } onFailure:onFailure];
+    
+    Open_im_sdkFindMessageList(callback, [self operationId], param.mj_JSONString);
+}
+
 @end
diff --git a/OpenIMSDK/Model/OIMAttachedInfoElem.h b/OpenIMSDK/Model/OIMAttachedInfoElem.h
index e092c2e..d9afca9 100644
--- a/OpenIMSDK/Model/OIMAttachedInfoElem.h
+++ b/OpenIMSDK/Model/OIMAttachedInfoElem.h
@@ -33,7 +33,7 @@ NS_ASSUME_NONNULL_BEGIN
 
 @property (nonatomic, assign) BOOL notSenderNotificationPush;
 
-@property (nonatomic, strong) NSArray <OIMMessageEntity *> *messageEntityList;
+@property (nonatomic, copy) NSArray <OIMMessageEntity *> *messageEntityList;
 @end
 
 NS_ASSUME_NONNULL_END
diff --git a/OpenIMSDK/Model/OIMMergeElem.h b/OpenIMSDK/Model/OIMMergeElem.h
index 8088c7e..ee48c72 100644
--- a/OpenIMSDK/Model/OIMMergeElem.h
+++ b/OpenIMSDK/Model/OIMMergeElem.h
@@ -6,6 +6,7 @@
 //
 
 #import <Foundation/Foundation.h>
+#import "OIMMessageElem.h"
 @class OIMMessageInfo;
 
 NS_ASSUME_NONNULL_BEGIN
@@ -15,6 +16,7 @@ NS_ASSUME_NONNULL_BEGIN
 @property (nonatomic, nullable, copy) NSString *title;
 @property (nonatomic, nullable, copy) NSArray<NSString *> *abstractList;
 @property (nonatomic, nullable, copy) NSArray<OIMMessageInfo *> *multiMessage;
+@property (nonatomic, nullable, copy) NSArray<OIMMessageEntity *> *messageEntityList;
 
 @end
 
diff --git a/OpenIMSDK/Model/OIMMergeElem.m b/OpenIMSDK/Model/OIMMergeElem.m
index 27be53e..b721e19 100644
--- a/OpenIMSDK/Model/OIMMergeElem.m
+++ b/OpenIMSDK/Model/OIMMergeElem.m
@@ -13,7 +13,8 @@ @implementation OIMMergeElem
 
 + (NSDictionary *)mj_objectClassInArray
 {
-    return @{@"multiMessage" : [OIMMessageInfo class]};
+    return @{@"multiMessage" : [OIMMessageInfo class],
+             @"messageEntityList" : [OIMMessageEntity class]};
 }
 
 @end
diff --git a/OpenIMSDK/Model/OIMMessageElem.h b/OpenIMSDK/Model/OIMMessageElem.h
index aacf496..8129eec 100644
--- a/OpenIMSDK/Model/OIMMessageElem.h
+++ b/OpenIMSDK/Model/OIMMessageElem.h
@@ -21,7 +21,7 @@ NS_ASSUME_NONNULL_BEGIN
 @interface OIMMessageEntityElem : NSObject
 
 @property (nonatomic, copy) NSString *text;
-@property (nonatomic, strong) NSArray <OIMMessageEntity *> *messageEntityList;
+@property (nonatomic, copy) NSArray <OIMMessageEntity *> *messageEntityList;
 
 @end
 
diff --git a/OpenIMSDK/Model/OIMQuoteElem.h b/OpenIMSDK/Model/OIMQuoteElem.h
index b25a29e..36ed467 100644
--- a/OpenIMSDK/Model/OIMQuoteElem.h
+++ b/OpenIMSDK/Model/OIMQuoteElem.h
@@ -6,7 +6,7 @@
 //
 
 #import <Foundation/Foundation.h>
-
+#import "OIMMessageElem.h"
 @class OIMMessageInfo;
 
 NS_ASSUME_NONNULL_BEGIN
@@ -17,6 +17,7 @@ NS_ASSUME_NONNULL_BEGIN
 
 @property (nonatomic, nullable, strong) OIMMessageInfo *quoteMessage;
 
+@property (nonatomic, nullable, copy) NSArray <OIMMessageEntity *> *messageEntityList;
 @end
 
 NS_ASSUME_NONNULL_END
diff --git a/OpenIMSDK/Model/OIMQuoteElem.m b/OpenIMSDK/Model/OIMQuoteElem.m
index bf2d1aa..5670424 100644
--- a/OpenIMSDK/Model/OIMQuoteElem.m
+++ b/OpenIMSDK/Model/OIMQuoteElem.m
@@ -9,4 +9,9 @@
 
 @implementation OIMQuoteElem
 
++ (NSDictionary *)mj_objectClassInArray
+{
+    return @{@"messageEntityList" : [OIMMessageEntity class]};
+}
+
 @end
diff --git a/OpenIMSDK/Model/OIMSearchParam.h b/OpenIMSDK/Model/OIMSearchParam.h
index 45c79a9..25de837 100644
--- a/OpenIMSDK/Model/OIMSearchParam.h
+++ b/OpenIMSDK/Model/OIMSearchParam.h
@@ -111,6 +111,15 @@ NS_ASSUME_NONNULL_BEGIN
 
 @end
 
+
+@interface OIMFindMessageListParam : NSObject
+
+@property (nonatomic, copy) NSString *conversationID;
+
+@property (nonatomic, copy) NSArray <NSString *> *clientMsgIDList;
+
+@end
+
 // 查询组织架构使用
 @interface OIMSearchOrganizationParam : NSObject
 
@@ -139,4 +148,22 @@ NS_ASSUME_NONNULL_BEGIN
 @property (nonatomic, assign) BOOL isSearchTelephone;
 @end
 
+// 查询群成员使用
+@interface OIMSearchGroupMembersParam : NSObject
+
+@property (nonatomic, copy) NSString *groupID;
+
+@property (nonatomic, copy) NSArray *keywordList;
+
+// 是否以关键词搜索UserID
+@property (nonatomic, assign) BOOL isSearchUserID;
+
+// 是否以关键词搜索昵称，默认false
+@property (nonatomic, assign) BOOL isSearchMemberNickname;
+
+@property (nonatomic, assign) NSInteger offset;
+
+@property (nonatomic, assign) NSInteger count;
+@end
+
 NS_ASSUME_NONNULL_END
diff --git a/OpenIMSDK/Model/OIMSearchParam.m b/OpenIMSDK/Model/OIMSearchParam.m
index f8519a1..f1be8f3 100644
--- a/OpenIMSDK/Model/OIMSearchParam.m
+++ b/OpenIMSDK/Model/OIMSearchParam.m
@@ -41,6 +41,14 @@ @implementation OIMSearchUserParam
 
 @end
 
+@implementation OIMFindMessageListParam
+
+@end
+
+@implementation OIMSearchGroupMembersParam
+
+@end
+
 @implementation OIMSearchOrganizationParam
 
 @end
diff --git a/OpenIMSDK/Model/OIMSearchResultInfo.h b/OpenIMSDK/Model/OIMSearchResultInfo.h
index a29e055..9c8c3c6 100644
--- a/OpenIMSDK/Model/OIMSearchResultInfo.h
+++ b/OpenIMSDK/Model/OIMSearchResultInfo.h
@@ -6,6 +6,7 @@
 //
 
 #import <Foundation/Foundation.h>
+#import "OIMModelDefine.h"
 
 @class OIMMessageInfo;
 
@@ -23,6 +24,12 @@ NS_ASSUME_NONNULL_BEGIN
  */
 @property (nonatomic, assign) NSInteger messageCount;
 
+@property (nonatomic, assign) OIMConversationType conversationType;
+
+@property (nonatomic, copy) NSString *showName;
+
+@property (nonatomic, copy) NSString *faceURL;
+
 /*
  * OIMMessageInfo的列表
  */
@@ -42,6 +49,9 @@ NS_ASSUME_NONNULL_BEGIN
  */
 @property (nonatomic, copy) NSArray <OIMSearchResultItemInfo *> *searchResultItems;
 
+// 仅适用于findMessageList函数的回调结果
+@property (nonatomic, copy) NSArray <OIMSearchResultItemInfo *> *findResultItems;
+
 @end
 
 @interface OIMGetAdvancedHistoryMessageListInfo : NSObject
diff --git a/OpenIMSDK/Model/OIMSearchResultInfo.m b/OpenIMSDK/Model/OIMSearchResultInfo.m
index 5a24c75..7426539 100644
--- a/OpenIMSDK/Model/OIMSearchResultInfo.m
+++ b/OpenIMSDK/Model/OIMSearchResultInfo.m
@@ -22,11 +22,18 @@ @implementation OIMSearchResultInfo
 
 + (NSDictionary *)mj_objectClassInArray
 {
-    return @{@"searchResultItems" : [OIMSearchResultItemInfo class]};
+    return @{@"searchResultItems" : [OIMSearchResultItemInfo class],
+             @"findResultItems" : [OIMSearchResultItemInfo class]
+    };
 }
 
 @end
 
 @implementation OIMGetAdvancedHistoryMessageListInfo
 
++ (NSDictionary *)mj_objectClassInArray
+{
+    return @{@"messageList" : [OIMMessageInfo class]};
+}
+
 @end
diff --git a/OpenIMSDK/Utils/OIMModelDefine.h b/OpenIMSDK/Utils/OIMModelDefine.h
index e8dae69..1ebee28 100644
--- a/OpenIMSDK/Utils/OIMModelDefine.h
+++ b/OpenIMSDK/Utils/OIMModelDefine.h
@@ -31,6 +31,8 @@ typedef NS_ENUM(NSInteger, OIMMessageContentType) {
     OIMMessageContentTypeGroupHasReadReceipt = 116, /// 群聊已读回执
     OIMMessageContentTypeAdvancedText = 117,        /// Advanced消息
     OIMMessageContentTypeAdvancedRevoke = 118,      /// 撤回消息类型-新
+    OIMMessageContentTypeCustomMsgNotTriggerConversation = 119,      /// 后端API会用到
+    OIMMessageContentTypeCustomMsgOnlineOnly = 120,      /// 后端API会用到
     /// 以下皆是通知消息枚举
     OIMMessageContentTypeFriendAppApproved = 1201,              /// 同意加好友申请通知
     OIMMessageContentTypeFriendAppRejected = 1202,              /// 拒绝加好友申请通知