diff --git a/package.json b/package.json
index 451b55f3..f3351ef5 100644
--- a/package.json
+++ b/package.json
@@ -59,7 +59,7 @@
     "vite": "^6.0.1",
     "vite-plugin-cp": "^4.0.8",
     "vite-tsconfig-paths": "^5.1.0",
-    "napcat.protobuf": "^1.1.3",
+    "napcat.protobuf": "^1.1.4",
     "winston": "^3.17.0",
     "compressing": "^1.10.1"
   },
diff --git a/src/core/apis/file.ts b/src/core/apis/file.ts
index 7d5a768b..b40ab667 100644
--- a/src/core/apis/file.ts
+++ b/src/core/apis/file.ts
@@ -231,7 +231,7 @@ export class NTQQFileApi {
             },
         };
     }
-    async createValidSendPttElement(context: SendMessageContext, pttPath: string): Promise<SendPttElement> {
+    async createValidSendPttElement(_context: SendMessageContext, pttPath: string): Promise<SendPttElement> {
 
         const { converted, path: silkPath, duration } = await encodeSilk(pttPath, this.core.NapCatTempPath, this.core.context.logger);
         if (!silkPath) {
diff --git a/src/onebot/api/msg.ts b/src/onebot/api/msg.ts
index dd94c8e8..f8dd1a9b 100644
--- a/src/onebot/api/msg.ts
+++ b/src/onebot/api/msg.ts
@@ -46,6 +46,8 @@ import { GroupChange, GroupChangeInfo, GroupInvite, PushMsgBody } from '@/core/p
 import { OB11GroupRequestEvent } from '../event/request/OB11GroupRequest';
 import { LRUCache } from '@/common/lru-cache';
 import { cleanTaskQueue } from '@/common/clean-task';
+import { PBString, PBUint64, ProtoBuf, ProtoBufBase, ProtoBufIn, UnWrap } from 'napcat.protobuf/src/protobuf';
+import { GroupMemberTitle } from '../event/notice/GroupMemberTitle';
 
 type RawToOb11Converters = {
     [Key in keyof MessageElement as Key extends `${string}Element` ? Key : never]: (
@@ -713,6 +715,56 @@ export class OneBotMsgApi {
         this.obContext = obContext;
         this.core = core;
     }
+    /**
+     * 解析带有JSON标记的文本
+     * @param text 要解析的文本
+     * @returns 解析后的结果数组，每个元素包含类型(text或json)和内容
+     */
+    parseTextWithJson(text: string) {
+        // 匹配<{...}>格式的JSON
+        const regex = /<(\{.*?\})>/g;
+        const parts: Array<{ type: 'text' | 'json', content: string | object }> = [];
+        let lastIndex = 0;
+        let match;
+
+        // 查找所有匹配项
+        while ((match = regex.exec(text)) !== null) {
+            // 添加匹配前的文本
+            if (match.index > lastIndex) {
+                parts.push({
+                    type: 'text',
+                    content: text.substring(lastIndex, match.index)
+                });
+            }
+
+            // 添加JSON部分
+            try {
+                const jsonContent = JSON.parse(match[1] ?? '');
+                parts.push({
+                    type: 'json',
+                    content: jsonContent
+                });
+            } catch (e) {
+                // 如果JSON解析失败，作为普通文本处理
+                parts.push({
+                    type: 'text',
+                    content: match[0]
+                });
+            }
+
+            lastIndex = regex.lastIndex;
+        }
+
+        // 添加最后一部分文本
+        if (lastIndex < text.length) {
+            parts.push({
+                type: 'text',
+                content: text.substring(lastIndex)
+            });
+        }
+
+        return parts;
+    }
 
     async parsePrivateMsgEvent(msg: RawMessage, grayTipElement: GrayTipElement) {
         if (grayTipElement.subElementType == NTGrayTipElementSubTypeV2.GRAYTIP_ELEMENT_SUBTYPE_JSON) {
@@ -1213,6 +1265,35 @@ export class OneBotMsgApi {
             );
         } else if (SysMessage.contentHead.type == 528 && SysMessage.contentHead.subType == 39 && SysMessage.body?.msgContent) {
             return await this.obContext.apis.UserApi.parseLikeEvent(SysMessage.body?.msgContent);
+        } else if (SysMessage.contentHead.type == 732 && SysMessage.contentHead.subType == 16 && SysMessage.body?.msgContent) {
+            let data_wrap = PBString(2);
+            let user_wrap = PBUint64(5);
+            let group_wrap = PBUint64(4);
+
+            ProtoBuf(class extends ProtoBufBase {
+                group = group_wrap;
+                content = ProtoBufIn(5, { data: data_wrap, user: user_wrap });
+            }).decode(SysMessage.body?.msgContent.slice(7));
+            let xml_data = UnWrap(data_wrap);
+            let group = UnWrap(group_wrap).toString();
+            //let user = UnWrap(user_wrap).toString();
+            const parsedParts = this.parseTextWithJson(xml_data);
+            //解析JSON
+            if (parsedParts[1] && parsedParts[3]) {
+                let set_user_id: string = (parsedParts[1].content as { data: string }).data;
+                let uid = await this.core.apis.UserApi.getUidByUinV2(set_user_id);
+                await this.core.apis.GroupApi.refreshGroupMemberCachePartial(group, uid);
+                //let json_data_1_url_search = new URL((parsedParts[3].content as { url: string }).url).searchParams;
+                //let is_new: boolean = json_data_1_url_search.get('isnew') === '1';
+                let new_tittle: string = (parsedParts[3].content as { text: string }).text;
+                //console.log(group, set_user_id, is_new, new_tittle);
+                return new GroupMemberTitle(
+                    this.core,
+                    +group,
+                    +set_user_id,
+                    new_tittle
+                );
+            }
         }
         return undefined;
     }
diff --git a/src/onebot/event/notice/GroupMemberTitle.ts b/src/onebot/event/notice/GroupMemberTitle.ts
new file mode 100644
index 00000000..79235ad5
--- /dev/null
+++ b/src/onebot/event/notice/GroupMemberTitle.ts
@@ -0,0 +1,16 @@
+import { OB11GroupNoticeEvent } from './OB11GroupNoticeEvent';
+import { NapCatCore } from '@/core';
+
+
+export class GroupMemberTitle extends OB11GroupNoticeEvent {
+    notice_type = 'title';
+    sub_type: 'set' | 'unset' = 'set';
+    title: string = '';
+
+    constructor(core: NapCatCore, groupId: number, userId: number, title: string) {
+        super(core, groupId, userId);
+        this.group_id = groupId;
+        this.user_id = userId;
+        this.title = title;
+    }
+}