diff --git a/client/tp-player/mainwindow.cpp b/client/tp-player/mainwindow.cpp
index 3b0b323..f4acfbb 100644
--- a/client/tp-player/mainwindow.cpp
+++ b/client/tp-player/mainwindow.cpp
@@ -64,6 +64,13 @@ bool rdpimg2QImage(QImage& out, int w, int h, int bitsPerPixel, bool isCompresse
     return true;
 }
 
+static inline int min(int a, int b){
+    return a < b ? a : b;
+}
+
+static inline int max(int a, int b){
+    return a > b ? a : b;
+}
 
 MainWindow::MainWindow(QWidget *parent) :
     QMainWindow(parent),
@@ -181,6 +188,20 @@ void MainWindow::paintEvent(QPaintEvent *e)
             painter.drawPixmap(m_pt.x-m_pt_normal.width()/2, m_pt.y-m_pt_normal.height()/2, m_pt_normal);
         }
 
+        {
+            QRect rc_draw = e->rect();
+            QRect rc(100, 100, m_img_message.width(), m_img_message.height());
+            //rc.moveTo(m_rc.left()+rc.left(), m_rc.top() + rc.top());
+
+            int from_x = max(rc_draw.left(), rc.left()) - rc.left();
+            int from_y = max(rc_draw.top(), rc.top()) - rc.top();
+            int w = min(rc.right(), rc_draw.right()) - rc.left() - from_x + 1;
+            int h = min(rc.bottom(), rc_draw.bottom()) - rc.top() - from_y + 1;
+            int to_x = rc.left() + from_x;
+            int to_y = rc.top() + from_y;
+            painter.drawPixmap(to_x, to_y, m_img_message, from_x, from_y, w, h);
+        }
+
         // 绘制浮动控制窗
         if(m_bar_fading) {
             painter.setOpacity(m_bar_opacity);
@@ -281,18 +302,37 @@ void MainWindow::_do_update_data(update_data* dat) {
     }
 
     else if(dat->data_type() == TYPE_MESSAGE) {
-        //QMessageBox::warning(nullptr, QGuiApplication::applicationDisplayName(), dat->message());
-        if(!m_msg_box) {
-            m_msg_box = new DlgMessage(this);
-            // 无窗口标题栏，无边框
-            m_msg_box->setWindowFlags(Qt::Dialog | Qt::MSWindowsFixedSizeDialogHint | Qt::ToolTip | Qt::FramelessWindowHint);
-            // 设置成非模态
-            m_msg_box->setModal(false);
-        }
+        QPainter pp(&m_canvas);
+        QFontMetrics fm = pp.fontMetrics();
+        QRect rcWin(0, 0, m_canvas.width(), m_canvas.height());
+        QRect rc = fm.boundingRect(rcWin, Qt::AlignLeft|Qt::TextWordWrap, dat->message());
+        qDebug("message, w=%d, h=%d", rc.width(), rc.height());
+//        int w = fm.width(dat->message());
+//        int h = fm.height();
+//        qDebug("message, w=%d, h=%d", w, h);
 
-        m_msg_box->set_text(dat->message());
-        // 显示对话框
-        m_msg_box->show();
+        m_img_message = QPixmap(rc.width() + 30, rc.height() + 30);
+        m_img_message.fill(Qt::transparent);
+        QPainter pm(&m_img_message);
+        pm.setPen(QColor(255,255,255,153));
+        pm.fillRect(rc, QColor(0,0,0,190));
+        pm.drawText(rc, Qt::AlignLeft|Qt::TextWordWrap, dat->message());
+
+
+
+
+//        //QMessageBox::warning(nullptr, QGuiApplication::applicationDisplayName(), dat->message());
+//        if(!m_msg_box) {
+//            m_msg_box = new DlgMessage(this);
+//            // 无窗口标题栏，无边框
+//            m_msg_box->setWindowFlags(Qt::Dialog | Qt::MSWindowsFixedSizeDialogHint | Qt::ToolTip | Qt::FramelessWindowHint);
+//            // 设置成非模态
+//            m_msg_box->setModal(false);
+//        }
+
+//        m_msg_box->set_text(dat->message());
+//        // 显示对话框
+//        m_msg_box->show();
         return;
     }
 
diff --git a/client/tp-player/mainwindow.h b/client/tp-player/mainwindow.h
index 1e14620..dbcdb09 100644
--- a/client/tp-player/mainwindow.h
+++ b/client/tp-player/mainwindow.h
@@ -78,6 +78,8 @@ private:
 
     //QMessageBox* m_msg_box;
     DlgMessage* m_msg_box;
+
+    QPixmap m_img_message;
 };
 
 #endif // MAINWINDOW_H
diff --git a/client/tp-player/thr_play.cpp b/client/tp-player/thr_play.cpp
index 8aaa311..9d133d0 100644
--- a/client/tp-player/thr_play.cpp
+++ b/client/tp-player/thr_play.cpp
@@ -75,9 +75,6 @@ void ThreadPlay::run() {
         qDebug() << "DOWNLOAD";
         m_need_download = true;
 
-//        path_base = QStandardPaths::writableLocation(QStandardPaths::AppConfigLocation);
-//        path_base += "/tprdp/";
-
         _notify_message("正在缓存录像数据，请稍候...");
 
         m_thr_download = new ThreadDownload(m_res);
@@ -87,14 +84,8 @@ void ThreadPlay::run() {
         for(;;) {
             msleep(500);
 
-            if(m_need_stop) {
-//                m_thr_download->stop();
-//                m_thr_download->wait();
-//                delete m_thr_download;
-//                m_thr_download = nullptr;
-
+            if(m_need_stop)
                 return;
-            }
 
             if(!m_thr_download->prepare(path_base, msg)) {
                 msg.sprintf("指定的文件或目录不存在！\n\n%s", _tmp_res.toStdString().c_str());
@@ -137,8 +128,11 @@ void ThreadPlay::run() {
     qint64 read_len = 0;
     uint32_t total_pkg = 0;
     uint32_t total_ms = 0;
+    uint32_t file_count = 0;
 
+    //======================================
     // 加载录像基本信息数据
+    //======================================
 
     QString tpr_filename(path_base);
     tpr_filename += "tp-rdp.tpr";
@@ -176,125 +170,153 @@ void ThreadPlay::run() {
             return;
         }
 
-//        if(hdr->basic.width == 0 || hdr->basic.height == 0) {
-//            _notify_error("错误的录像信息，未记录窗口尺寸！");
-//            return;
-//        }
+        if(hdr->basic.width == 0 || hdr->basic.height == 0) {
+            _notify_error("错误的录像信息，未记录窗口尺寸！");
+            return;
+        }
+
+        if(hdr->info.dat_file_count == 0) {
+            _notify_error("错误的录像信息，未记录数据文件数量！");
+            return;
+        }
 
         total_pkg = hdr->info.packages;
         total_ms = hdr->info.time_ms;
+        file_count = hdr->info.dat_file_count;
 
         emit signal_update_data(dat);
     }
 
-    // 加载录像文件数据
-
-    QString tpd_filename(path_base);
-    tpd_filename += "tp-rdp.tpd";
-
-    QFile f_dat(tpd_filename);
-    if(!f_dat.open(QFile::ReadOnly)) {
-        qDebug() << "Can not open " << tpd_filename << " for read.";
-        QString msg;
-        msg.sprintf("无法打开录像数据文件！\n\n%s", tpd_filename.toStdString().c_str());
-        _notify_error(msg);
-        return;
-    }
+    //======================================
+    // 加载录像文件数据并播放
+    //======================================
 
+    uint32_t pkg_count = 0;
     uint32_t time_pass = 0;
     uint32_t time_last_pass = 0;
-
     qint64 time_begin = QDateTime::currentMSecsSinceEpoch();
+    QString msg;
 
-    for(uint32_t i = 0; i < total_pkg; ++i) {
+    for(uint32_t fidx = 0; fidx < file_count; ++fidx) {
         if(m_need_stop) {
-            qDebug() << "stop, user cancel.";
+            qDebug() << "stop, user cancel 1.";
             break;
         }
 
-        if(m_need_pause) {
-            msleep(50);
-            time_begin += 50;
-            continue;
-        }
+        QString tpd_filename;
+        tpd_filename.sprintf("%stp-rdp-%d.tpd", path_base.toStdString().c_str(), fidx+1);
 
-        TS_RECORD_PKG pkg;
-        read_len = f_dat.read((char*)(&pkg), sizeof(pkg));
-        if(read_len != sizeof(TS_RECORD_PKG)) {
-            qDebug() << "invaid .tpd file (1).";
-            QString msg;
-            msg.sprintf("错误的录像数据文件！\n\n%s", tpd_filename.toStdString().c_str());
+        // for test.
+        msg.sprintf("无法打开录像数据文件！\n\n%s", tpd_filename.toStdString().c_str());
+        _notify_message(msg);
+
+        QFile f_dat(tpd_filename);
+        if(!f_dat.open(QFile::ReadOnly)) {
+            qDebug() << "Can not open " << tpd_filename << " for read.";
+            msg.sprintf("无法打开录像数据文件！\n\n%s", tpd_filename.toStdString().c_str());
             _notify_error(msg);
             return;
         }
 
-        update_data* dat = new update_data(TYPE_DATA);
-        dat->alloc_data(sizeof(TS_RECORD_PKG) + pkg.size);
-        memcpy(dat->data_buf(), &pkg, sizeof(TS_RECORD_PKG));
-        read_len = f_dat.read((char*)(dat->data_buf()+sizeof(TS_RECORD_PKG)), pkg.size);
-        if(read_len != pkg.size) {
-            delete dat;
-            qDebug() << "invaid .tpd file.";
-            QString msg;
-            msg.sprintf("错误的录像数据文件！\n\n%s", tpd_filename.toStdString().c_str());
-            _notify_error(msg);
-            return;
-        }
-
-        time_pass = (uint32_t)(QDateTime::currentMSecsSinceEpoch() - time_begin) * m_speed;
-        if(time_pass > total_ms)
-            time_pass = total_ms;
-        if(time_pass - time_last_pass > 200) {
-            update_data* _passed_ms = new update_data(TYPE_PLAYED_MS);
-            _passed_ms->played_ms(time_pass);
-            emit signal_update_data(_passed_ms);
-            time_last_pass = time_pass;
-        }
-
-        if(time_pass >= pkg.time_ms) {
-            emit signal_update_data(dat);
-            continue;
-        }
-
-        // 需要等待
-        uint32_t time_wait = pkg.time_ms - time_pass;
-        uint32_t wait_this_time = 0;
         for(;;) {
+            if(m_need_stop) {
+                qDebug() << "stop, user cancel 2.";
+                break;
+            }
+
             if(m_need_pause) {
                 msleep(50);
                 time_begin += 50;
                 continue;
             }
 
-            wait_this_time = time_wait;
-            if(wait_this_time > 10)
-                wait_this_time = 10;
-
-            if(m_need_stop) {
-                qDebug() << "stop, user cancel (2).";
+            TS_RECORD_PKG pkg;
+            read_len = f_dat.read((char*)(&pkg), sizeof(pkg));
+            if(read_len == 0)
                 break;
+            if(read_len != sizeof(TS_RECORD_PKG)) {
+                qDebug() << "invaid .tpd file (1).";
+                msg.sprintf("错误的录像数据文件！\n\n%s", tpd_filename.toStdString().c_str());
+                _notify_error(msg);
+                return;
             }
 
-            msleep(wait_this_time);
+            update_data* dat = new update_data(TYPE_DATA);
+            dat->alloc_data(sizeof(TS_RECORD_PKG) + pkg.size);
+            memcpy(dat->data_buf(), &pkg, sizeof(TS_RECORD_PKG));
+            read_len = f_dat.read((char*)(dat->data_buf()+sizeof(TS_RECORD_PKG)), pkg.size);
+            if(read_len != pkg.size) {
+                delete dat;
+                qDebug() << "invaid .tpd file.";
+                msg.sprintf("错误的录像数据文件！\n\n%s", tpd_filename.toStdString().c_str());
+                _notify_error(msg);
+                return;
+            }
 
-            uint32_t _time_pass = (uint32_t)(QDateTime::currentMSecsSinceEpoch() - time_begin) * m_speed;
-            if(_time_pass > total_ms)
-                _time_pass = total_ms;
-            if(_time_pass - time_last_pass > 200) {
+            pkg_count++;
+
+            time_pass = (uint32_t)(QDateTime::currentMSecsSinceEpoch() - time_begin) * m_speed;
+            if(time_pass > total_ms)
+                time_pass = total_ms;
+            if(time_pass - time_last_pass > 200) {
                 update_data* _passed_ms = new update_data(TYPE_PLAYED_MS);
-                _passed_ms->played_ms(_time_pass);
+                _passed_ms->played_ms(time_pass);
                 emit signal_update_data(_passed_ms);
-                time_last_pass = _time_pass;
+                time_last_pass = time_pass;
             }
 
-            time_wait -= wait_this_time;
-            if(time_wait == 0) {
+            if(time_pass >= pkg.time_ms) {
                 emit signal_update_data(dat);
-                break;
+                continue;
             }
+
+            // 需要等待
+            uint32_t time_wait = pkg.time_ms - time_pass;
+            uint32_t wait_this_time = 0;
+            for(;;) {
+                if(m_need_pause) {
+                    msleep(50);
+                    time_begin += 50;
+                    continue;
+                }
+
+                wait_this_time = time_wait;
+                if(wait_this_time > 10)
+                    wait_this_time = 10;
+
+                if(m_need_stop) {
+                    qDebug() << "stop, user cancel (2).";
+                    break;
+                }
+
+                msleep(wait_this_time);
+
+                uint32_t _time_pass = (uint32_t)(QDateTime::currentMSecsSinceEpoch() - time_begin) * m_speed;
+                if(_time_pass > total_ms)
+                    _time_pass = total_ms;
+                if(_time_pass - time_last_pass > 200) {
+                    update_data* _passed_ms = new update_data(TYPE_PLAYED_MS);
+                    _passed_ms->played_ms(_time_pass);
+                    emit signal_update_data(_passed_ms);
+                    time_last_pass = _time_pass;
+                }
+
+                time_wait -= wait_this_time;
+                if(time_wait == 0) {
+                    emit signal_update_data(dat);
+                    break;
+                }
+            }
+
         }
     }
 
+    if(pkg_count < total_pkg) {
+        qDebug() << "total-pkg:" << total_pkg << ", played:" << pkg_count;
+        msg.sprintf("录像数据文件有误！\n\n部分录像数据缺失！");
+        _notify_message(msg);
+    }
+
     update_data* _end = new update_data(TYPE_END);
     emit signal_update_data(_end);
 }
diff --git a/server/tp_core/common/base_record.h b/server/tp_core/common/base_record.h
index ddd0345..33bf2a9 100644
--- a/server/tp_core/common/base_record.h
+++ b/server/tp_core/common/base_record.h
@@ -7,14 +7,19 @@
 
 #include <ex.h>
 
-#define MAX_SIZE_PER_FILE 4194304  // 4M = 1024*1024*4
+#define MAX_CACHE_SIZE      1048576  // 1M = 1024*1024*1
+#define MAX_SIZE_PER_FILE   4194304  // 4M = 1024*1024*4
 
 #pragma pack(push,1)
 
 /*
  * 录像
  *
- * 一个录像分为两个文件，一个信息文件，一个数据文件。
+ * 一个录像分为多个文件：
+ *  *.tpr，录像信息文件，一个，固定大小（512字节）
+ *  *.tpd，数据文件，n个，例如 tp-rdp-1.tpd，tp-rdp-2.tpd等等，每个数据文件约4MB
+ *  *.tpk，关键帧信息文件，一个，仅RDP录像，记录各个关键帧数据所在的数据文件序号、偏移、时间点等信息。
+ *  *-cmd.txt，ssh命令记录文件，仅SSH。
  * 服务内部缓存最大4M，或者5秒，就将数据写入数据文件中，并同时更新信息文件。
  *
  */
@@ -26,8 +31,8 @@ typedef struct TS_RECORD_HEADER_INFO {
     ex_u16 ver;         // 录像文件版本，v3.5.0开始为4
     ex_u32 packages;    // 总包数
     ex_u32 time_ms;	    // 总耗时（毫秒）
-    uint32_t dat_file_count; // 数据文件数量
-    uint8_t _reserve[64-4-2-4-4-4];
+    ex_u32 dat_file_count; // 数据文件数量
+    ex_u8 _reserve[64-4-2-4-4-4];
 }TS_RECORD_HEADER_INFO;
 #define ts_record_header_info_size sizeof(TS_RECORD_HEADER_INFO)