diff --git a/sdk/agent/hook/wechat_full_control_v4.js b/sdk/agent/hook/wechat_full_control_v4.js
new file mode 100644
index 0000000000..aad05fbb57
--- /dev/null
+++ b/sdk/agent/hook/wechat_full_control_v4.js
@@ -0,0 +1,592 @@
+/**
+ * 工作手机SDK - 微信8.0.56 完整Frida控制脚本 v4
+ * 修复：
+ * - getDbInfo方法名统一
+ * - 联系人列表SQL修复（移除过严过滤）
+ * - 朋友圈使用SNS数据库
+ * - 标签使用正确DB
+ * - 群发消息完善
+ * - 添加conversation读取
+ */
+'use strict';
+
+var _wechatLoader = null;
+var _capturedStack = [];
+var _snsDB = null;
+
+// ============================================================
+// 工具函数
+// ============================================================
+function getLoader() {
+    if (_wechatLoader) return _wechatLoader;
+    Java.enumerateClassLoaders({
+        onMatch: function(loader) {
+            if (_wechatLoader) return;
+            try {
+                loader.loadClass('com.tencent.mm.app.Application');
+                _wechatLoader = loader;
+            } catch(e) {}
+        },
+        onComplete: function() {}
+    });
+    return _wechatLoader;
+}
+
+function getOpenDB(dbName) {
+    var targetDB = null;
+    var searchName = dbName || 'EnMicroMsg';
+    Java.choose('com.tencent.wcdb.database.SQLiteDatabase', {
+        onMatch: function(db) {
+            if (targetDB) return;
+            try {
+                var path = db.getPath();
+                if (path && path.indexOf(searchName) !== -1 && db.isOpen()) {
+                    targetDB = db;
+                }
+            } catch(e) {}
+        },
+        onComplete: function() {}
+    });
+    return targetDB;
+}
+
+function getAllOpenDBs() {
+    var dbs = [];
+    Java.choose('com.tencent.wcdb.database.SQLiteDatabase', {
+        onMatch: function(db) {
+            try {
+                var path = db.getPath();
+                if (path && db.isOpen()) {
+                    dbs.push({ path: path, open: true, readonly: db.isReadOnly() });
+                }
+            } catch(e) {}
+        },
+        onComplete: function() {}
+    });
+    return dbs;
+}
+
+function execQuery(sql, dbName) {
+    var db = getOpenDB(dbName);
+    if (!db) return { success: false, error: 'no open DB: ' + (dbName || 'EnMicroMsg'), rows: [] };
+    try {
+        var cursor = db.rawQuery(sql, null);
+        var cols = cursor.getColumnNames();
+        var rows = [];
+        while (cursor.moveToNext()) {
+            var row = {};
+            for (var i = 0; i < cols.length; i++) {
+                try { row[cols[i]] = cursor.getString(i); } catch(e) { row[cols[i]] = null; }
+            }
+            rows.push(row);
+        }
+        cursor.close();
+        return { success: true, rows: rows, count: rows.length };
+    } catch(e) {
+        return { success: false, error: String(e).substring(0, 200), rows: [] };
+    }
+}
+
+function execInsert(table, kvMap, dbName) {
+    var db = getOpenDB(dbName);
+    if (!db) return { success: false, error: 'no open DB: ' + (dbName || 'EnMicroMsg') };
+    try {
+        var ContentValues = Java.use('android.content.ContentValues');
+        var cv = ContentValues.$new();
+        var keys = Object.keys(kvMap);
+        for (var i = 0; i < keys.length; i++) {
+            var k = keys[i];
+            var v = kvMap[k];
+            if (v === null || v === undefined) continue;
+            if (typeof v === 'number' && v > 2000000000) {
+                cv.put(k, Java.use('java.lang.Long').$new(v));
+            } else if (typeof v === 'number') {
+                cv.put(k, Java.use('java.lang.Integer').$new(v));
+            } else {
+                cv.put(k, String(v));
+            }
+        }
+        var rowId = db.insert(table, null, cv);
+        return { success: rowId > 0, row_id: rowId.toString() };
+    } catch(e) {
+        return { success: false, error: String(e).substring(0, 200) };
+    }
+}
+
+function getCtx() {
+    return Java.use('android.app.ActivityThread').currentApplication().getApplicationContext();
+}
+
+// ============================================================
+// Hook：监听消息写入，捕获真实发送类调用栈
+// ============================================================
+Java.perform(function() {
+    try {
+        var WCDB = Java.use('com.tencent.wcdb.database.SQLiteDatabase');
+        WCDB.insert.overload(
+            'java.lang.String',
+            'java.lang.String',
+            'android.content.ContentValues'
+        ).implementation = function(table, nullCol, values) {
+            var result = this.insert(table, nullCol, values);
+            if (table === 'message') {
+                try {
+                    var isSend = values.getAsInteger('isSend');
+                    if (isSend && parseInt(isSend.toString()) === 1) {
+                        var content = values.getAsString('content');
+                        var talker = values.getAsString('talker');
+                        var Exception = Java.use('java.lang.Exception');
+                        var ex = Exception.$new('stack');
+                        var stack = ex.getStackTrace();
+                        var stackInfo = [];
+                        for (var i = 0; i < Math.min(stack.length, 30); i++) {
+                            var cn = stack[i].getClassName();
+                            if (cn.indexOf('com.tencent.mm') !== -1) {
+                                stackInfo.push(cn + '.' + stack[i].getMethodName() + ':' + stack[i].getLineNumber());
+                            }
+                        }
+                        _capturedStack = stackInfo;
+                        send({
+                            type: 'real_send_captured',
+                            talker: talker,
+                            content: content ? content.substring(0, 60) : '',
+                            stack: stackInfo.slice(0, 8)
+                        });
+                    }
+                } catch(e2) {}
+            }
+            return result;
+        };
+        send({ type: 'hook_ok', msg: 'WCDB insert hooked v4' });
+    } catch(e) {
+        send({ type: 'hook_fail', msg: String(e).substring(0, 100) });
+    }
+    send({ type: 'ready', msg: 'wechat_full_control v4 loaded' });
+});
+
+// ============================================================
+// RPC接口 v4
+// ============================================================
+rpc.exports = {
+
+    // ==================== 系统信息 ====================
+    getSystemInfo: function() {
+        return Java.performNow(function() {
+            var db = getOpenDB();
+            var dbs = getAllOpenDBs();
+            return {
+                success: true,
+                db: db ? { path: db.getPath(), open: true } : { open: false },
+                all_dbs: dbs,
+                db_count: dbs.length,
+                loader: getLoader() ? 'found' : 'not_found',
+                captured_stack_count: _capturedStack.length,
+                timestamp: Date.now()
+            };
+        });
+    },
+
+    // ==================== 账号信息 ====================
+    getAccountInfo: function() {
+        return Java.performNow(function() {
+            // id: 2=nickname, 4=wxid, 6=mobile, 42=alias, 3=avatar
+            var r = execQuery("SELECT id, value FROM userinfo WHERE id IN (2,3,4,6,42) ORDER BY id");
+            var info = {};
+            var idMap = { '2': 'nickname', '3': 'avatar', '4': 'wxid', '6': 'mobile', '42': 'alias' };
+            for (var i = 0; i < r.rows.length; i++) {
+                var row = r.rows[i];
+                var key = idMap[row.id] || ('field_' + row.id);
+                info[key] = row.value;
+            }
+            return { success: true, account: info };
+        });
+    },
+
+    // ==================== 联系人（完整） ====================
+    getContacts: function(params) {
+        return Java.performNow(function() {
+            var limit = (params && params.limit) || 200;
+            var offset = (params && params.offset) || 0;
+            // 修复：不过滤verifyFlag，只过滤type=3
+            var sql = "SELECT username, nickname, conRemark, type, verifyFlag, contactLabelIds FROM rcontact"
+                + " WHERE type=3"
+                + " AND username NOT IN ('filehelper','weixin','brandsessionholder','medianote','floatbottle')"
+                + " ORDER BY conRemark, nickname"
+                + " LIMIT " + limit + " OFFSET " + offset;
+            var r = execQuery(sql);
+            return {
+                success: true,
+                contacts: r.rows,
+                count: r.count,
+                offset: offset,
+                limit: limit
+            };
+        });
+    },
+
+    // 联系人总数
+    getContactsCount: function() {
+        return Java.performNow(function() {
+            var r1 = execQuery("SELECT COUNT(*) as cnt FROM rcontact WHERE type=3");
+            var r2 = execQuery("SELECT COUNT(*) as cnt FROM rcontact");
+            var r3 = execQuery("SELECT COUNT(*) as cnt FROM chatroom");
+            return {
+                success: true,
+                type3_friends: r1.rows.length > 0 ? r1.rows[0].cnt : 0,
+                total_rcontact: r2.rows.length > 0 ? r2.rows[0].cnt : 0,
+                groups: r3.rows.length > 0 ? r3.rows[0].cnt : 0
+            };
+        });
+    },
+
+    // ==================== 群组 ====================
+    getGroups: function(params) {
+        return Java.performNow(function() {
+            var limit = (params && params.limit) || 100;
+            var sql = "SELECT chatroomname, displayname, chatroomnick, memberCount, roomowner, chatroomnotice FROM chatroom LIMIT " + limit;
+            var r = execQuery(sql);
+            return {
+                success: true,
+                groups: r.rows,
+                count: r.count
+            };
+        });
+    },
+
+    // 群成员
+    getGroupMembers: function(params) {
+        return Java.performNow(function() {
+            var groupId = params && params.group_id;
+            if (!groupId) return { success: false, error: 'no group_id' };
+            var r = execQuery("SELECT memberlist, chatroomnick, memberCount FROM chatroom WHERE chatroomname='" + groupId.replace(/'/g, "''") + "' LIMIT 1");
+            if (r.rows.length === 0) return { success: false, error: 'group not found' };
+            var memberList = r.rows[0].memberlist || '';
+            var members = memberList ? memberList.split(';').filter(function(m) { return m.length > 0; }) : [];
+            return {
+                success: true,
+                group_id: groupId,
+                group_name: r.rows[0].chatroomnick || groupId,
+                member_ids: members,
+                count: members.length,
+                db_count: r.rows[0].memberCount
+            };
+        });
+    },
+
+    // ==================== 消息发送（WCDB直接写入） ====================
+    sendMessage: function(params) {
+        return Java.performNow(function() {
+            var toId = params && params.to_id;
+            var content = params && params.content;
+            if (!toId || !content) return { success: false, error: 'missing to_id or content' };
+            var now = Date.now();
+            var r = execInsert('message', {
+                msgId: now,
+                type: 1,
+                isSend: 1,
+                talker: toId,
+                content: content,
+                createTime: now,
+                status: 2,
+                imgPath: '',
+                lvbuffer: ''
+            });
+            if (r.success) {
+                send({ type: 'message_sent', to_id: toId, content: content.substring(0, 50), method: 'wcdb_insert' });
+            }
+            return {
+                success: r.success,
+                message_id: r.success ? String(now) : null,
+                method: 'wcdb_direct_insert',
+                to_id: toId,
+                error: r.error
+            };
+        });
+    },
+
+    // ==================== 群发消息 ====================
+    massMessage: function(params) {
+        return Java.performNow(function() {
+            var targets = params && params.targets;
+            var content = params && params.content;
+            if (!targets || !content) return { success: false, error: 'missing targets or content' };
+            var now = Date.now();
+            var results = [];
+            for (var i = 0; i < targets.length; i++) {
+                var toId = targets[i];
+                if (!toId) continue;
+                var msgId = now + i;
+                var r = execInsert('message', {
+                    msgId: msgId,
+                    type: 1,
+                    isSend: 1,
+                    talker: toId,
+                    content: content,
+                    createTime: now + i,
+                    status: 2,
+                    imgPath: '',
+                    lvbuffer: ''
+                });
+                results.push({ to_id: toId, success: r.success, msg_id: String(msgId), error: r.error });
+            }
+            var successCount = results.filter(function(r) { return r.success; }).length;
+            return {
+                success: successCount > 0,
+                total: targets.length,
+                success_count: successCount,
+                results: results,
+                method: 'wcdb_mass_insert'
+            };
+        });
+    },
+
+    // ==================== 消息读取 ====================
+    getMessages: function(params) {
+        return Java.performNow(function() {
+            var talker = params && params.talker;
+            var limit = (params && params.limit) || 50;
+            var sql = "SELECT msgId, type, talker, content, createTime, isSend, status FROM message"
+                + (talker ? " WHERE talker='" + talker.replace(/'/g, "''") + "'" : '')
+                + " ORDER BY createTime DESC LIMIT " + limit;
+            var r = execQuery(sql);
+            return { success: true, messages: r.rows, count: r.count };
+        });
+    },
+
+    // ==================== 最近会话 ====================
+    getConversations: function(params) {
+        return Java.performNow(function() {
+            var limit = (params && params.limit) || 20;
+            var r = execQuery("SELECT username, content, createTime, unReadCount, isSend FROM conversation ORDER BY createTime DESC LIMIT " + limit);
+            return { success: true, conversations: r.rows, count: r.count };
+        });
+    },
+
+    // ==================== 朋友圈（SNS数据库） ====================
+    getMoments: function(params) {
+        return Java.performNow(function() {
+            var limit = (params && params.limit) || 20;
+            // 先找SNS数据库
+            var dbs = getAllOpenDBs();
+            var snsDbName = null;
+            for (var i = 0; i < dbs.length; i++) {
+                var p = dbs[i].path;
+                if (p && (p.indexOf('snsdb') !== -1 || p.indexOf('SNS') !== -1 || p.indexOf('sns') !== -1)) {
+                    snsDbName = p.split('/').pop().replace('.db', '');
+                    break;
+                }
+            }
+            
+            if (snsDbName) {
+                var r = execQuery("SELECT snsId, username, content, createTime FROM SnsInfo ORDER BY createTime DESC LIMIT " + limit, snsDbName);
+                return { success: true, moments: r.rows, count: r.count, db: snsDbName };
+            }
+            
+            // 尝试在主DB查
+            var r2 = execQuery("SELECT name FROM sqlite_master WHERE type='table' AND name LIKE '%Sns%'");
+            return { success: false, error: 'SNS DB not found', tables: r2.rows, all_dbs: dbs.map(function(d) { return d.path; }) };
+        });
+    },
+
+    // 发朋友圈（通过Intent启动微信发布界面）
+    postMoment: function(params) {
+        return Java.performNow(function() {
+            var content = params && params.content;
+            if (!content) return { success: false, error: 'no content' };
+            try {
+                var ctx = getCtx();
+                var Intent = Java.use('android.content.Intent');
+                var intent = Intent.$new();
+                // 微信朋友圈发布Activity
+                intent.setClassName('com.tencent.mm', 'com.tencent.mm.plugin.sns.ui.SnsUploadUI');
+                intent.putExtra('Ksnsupload_type', 1);
+                intent.putExtra('Ksnsupload_content', content);
+                intent.addFlags(0x10000000);
+                ctx.startActivity(intent);
+                return { success: true, method: 'intent_SnsUploadUI', content: content.substring(0, 50) };
+            } catch(e) {
+                // 备用：SnsActivity
+                try {
+                    var ctx2 = getCtx();
+                    var Intent2 = Java.use('android.content.Intent');
+                    var intent2 = Intent2.$new();
+                    intent2.setClassName('com.tencent.mm', 'com.tencent.mm.plugin.sns.ui.SnsActivity');
+                    intent2.putExtra('Ksnsupload_type', 1);
+                    intent2.addFlags(0x10000000);
+                    ctx2.startActivity(intent2);
+                    return { success: true, method: 'intent_SnsActivity_fallback', content: content.substring(0, 50) };
+                } catch(e2) {
+                    return { success: false, error: String(e) + ' | ' + String(e2) };
+                }
+            }
+        });
+    },
+
+    // ==================== 标签管理 ====================
+    getLabels: function() {
+        return Java.performNow(function() {
+            // 标签在rcontact的contactLabelIds字段，或独立的label表
+            // 先查所有DB中的label表
+            var dbs = getAllOpenDBs();
+            for (var i = 0; i < dbs.length; i++) {
+                var dbPath = dbs[i].path;
+                var dbName = dbPath.split('/').pop().replace('.db', '');
+                var r = execQuery("SELECT * FROM label LIMIT 100", dbName);
+                if (r.success && r.count > 0) {
+                    return { success: true, labels: r.rows, count: r.count, db: dbName };
+                }
+            }
+            
+            // 从rcontact的contactLabelIds提取标签ID
+            var r2 = execQuery("SELECT DISTINCT contactLabelIds FROM rcontact WHERE contactLabelIds IS NOT NULL AND contactLabelIds != '' LIMIT 100");
+            var labelIds = new Set();
+            for (var j = 0; j < r2.rows.length; j++) {
+                var ids = r2.rows[j].contactLabelIds;
+                if (ids) {
+                    ids.split(',').forEach(function(id) { if (id.trim()) labelIds.add(id.trim()); });
+                }
+            }
+            return {
+                success: true,
+                labels: Array.from(labelIds).map(function(id) { return { labelId: id }; }),
+                count: labelIds.size,
+                source: 'contactLabelIds',
+                note: 'label table empty, extracted from rcontact.contactLabelIds'
+            };
+        });
+    },
+
+    // 获取标签成员
+    getLabelMembers: function(params) {
+        return Java.performNow(function() {
+            var labelId = params && params.label_id;
+            if (!labelId) return { success: false, error: 'no label_id' };
+            var r = execQuery("SELECT username, nickname, conRemark FROM rcontact WHERE contactLabelIds LIKE '%" + labelId + "%' LIMIT 200");
+            return { success: true, label_id: labelId, members: r.rows, count: r.count };
+        });
+    },
+
+    // ==================== 搜索 ====================
+    searchContacts: function(params) {
+        return Java.performNow(function() {
+            var keyword = params && params.keyword;
+            if (!keyword) return { success: false, error: 'no keyword' };
+            var kw = keyword.replace(/'/g, "''");
+            var sql = "SELECT username, nickname, conRemark, type FROM rcontact"
+                + " WHERE (nickname LIKE '%" + kw + "%' OR conRemark LIKE '%" + kw + "%' OR username LIKE '%" + kw + "%')"
+                + " LIMIT 50";
+            var r = execQuery(sql);
+            return { success: true, results: r.rows, count: r.count };
+        });
+    },
+
+    searchMessages: function(params) {
+        return Java.performNow(function() {
+            var keyword = params && params.keyword;
+            if (!keyword) return { success: false, error: 'no keyword' };
+            var kw = keyword.replace(/'/g, "''");
+            var sql = "SELECT msgId, talker, content, createTime, isSend FROM message"
+                + " WHERE content LIKE '%" + kw + "%'"
+                + " ORDER BY createTime DESC LIMIT 50";
+            var r = execQuery(sql);
+            return { success: true, results: r.rows, count: r.count };
+        });
+    },
+
+    // ==================== 好友操作 ====================
+    addFriend: function(params) {
+        return Java.performNow(function() {
+            var wxid = params && params.wxid;
+            if (!wxid) return { success: false, error: 'no wxid' };
+            try {
+                var ctx = getCtx();
+                var Intent = Java.use('android.content.Intent');
+                var intent = Intent.$new();
+                intent.setClassName('com.tencent.mm', 'com.tencent.mm.ui.contact.AddContactUI');
+                intent.putExtra('search_str', wxid);
+                intent.addFlags(0x10000000);
+                ctx.startActivity(intent);
+                return { success: true, method: 'intent_AddContactUI', wxid: wxid };
+            } catch(e) {
+                return { success: false, error: String(e) };
+            }
+        });
+    },
+
+    setRemark: function(params) {
+        return Java.performNow(function() {
+            var wxid = params && params.wxid;
+            var remark = params && params.remark;
+            if (!wxid || !remark) return { success: false, error: 'missing params' };
+            var db = getOpenDB();
+            if (!db) return { success: false, error: 'no db' };
+            try {
+                var ContentValues = Java.use('android.content.ContentValues');
+                var cv = ContentValues.$new();
+                cv.put('conRemark', remark);
+                var rows = db.update('rcontact', cv, "username='" + wxid.replace(/'/g, "''") + "'", null);
+                return { success: rows > 0, affected_rows: rows, wxid: wxid, remark: remark };
+            } catch(e) {
+                return { success: false, error: String(e) };
+            }
+        });
+    },
+
+    // ==================== 原始SQL ====================
+    rawQuery: function(params) {
+        return Java.performNow(function() {
+            var sql = params && params.sql;
+            var dbName = params && params.db;
+            if (!sql) return { success: false, error: 'no sql' };
+            return execQuery(sql, dbName);
+        });
+    },
+
+    // ==================== DB信息 ====================
+    getDbInfo: function() {
+        return Java.performNow(function() {
+            var dbs = getAllOpenDBs();
+            return { success: true, instances: dbs, count: dbs.length };
+        });
+    },
+
+    // ==================== 导航 ====================
+    navigateToChat: function(params) {
+        return Java.performNow(function() {
+            var wxid = params && params.wxid;
+            if (!wxid) return { success: false, error: 'no wxid' };
+            try {
+                var ctx = getCtx();
+                var Intent = Java.use('android.content.Intent');
+                var intent = Intent.$new();
+                intent.setClassName('com.tencent.mm', 'com.tencent.mm.ui.chatting.ChattingUI');
+                intent.putExtra('Chat_User', wxid);
+                intent.addFlags(0x10000000);
+                ctx.startActivity(intent);
+                return { success: true, method: 'intent_ChattingUI', wxid: wxid };
+            } catch(e) {
+                return { success: false, error: String(e) };
+            }
+        });
+    },
+
+    // ==================== 获取调用栈 ====================
+    getCapturedStack: function() {
+        return { stack: _capturedStack, count: _capturedStack.length };
+    },
+
+    // ==================== 枚举所有DB中的表 ====================
+    listAllTables: function() {
+        return Java.performNow(function() {
+            var dbs = getAllOpenDBs();
+            var result = {};
+            for (var i = 0; i < dbs.length; i++) {
+                var dbPath = dbs[i].path;
+                var dbName = dbPath.split('/').pop().replace('.db', '');
+                var r = execQuery("SELECT name FROM sqlite_master WHERE type='table' ORDER BY name", dbName);
+                result[dbName] = r.rows.map(function(row) { return row.name; });
+            }
+            return { success: true, databases: result };
+        });
+    }
+};