diff --git a/src/app/CMakeLists.txt b/src/app/CMakeLists.txt
index c4b9efe..0816cd0 100644
--- a/src/app/CMakeLists.txt
+++ b/src/app/CMakeLists.txt
@@ -32,6 +32,7 @@ add_executable(geopro_desktop WIN32
   panels/chart/ColorMapService.cpp
   panels/chart/ColorBarWidget.cpp
   panels/chart/ScatterPlotItem.cpp
+  panels/chart/LivePanner.cpp
   panels/AnomalyTablePanel.cpp
   panels/DatasetDetailPage.cpp
   panels/DatasetDetailPanel.cpp
diff --git a/src/app/panels/chart/LivePanner.cpp b/src/app/panels/chart/LivePanner.cpp
new file mode 100644
index 0000000..6e633f1
--- /dev/null
+++ b/src/app/panels/chart/LivePanner.cpp
@@ -0,0 +1,61 @@
+#include "panels/chart/LivePanner.hpp"
+
+#include <QEvent>
+#include <QMouseEvent>
+#include <qwt_plot.h>
+#include <qwt_scale_div.h>
+
+namespace geopro::app {
+
+LivePanner::LivePanner(QwtPlot* plot, int xAxis, int yAxis, QObject* parent)
+    : QObject(parent), plot_(plot), xAxis_(xAxis), yAxis_(yAxis) {
+    if (plot_ && plot_->canvas()) plot_->canvas()->installEventFilter(this);
+}
+
+bool LivePanner::eventFilter(QObject* obj, QEvent* ev) {
+    if (!plot_ || obj != plot_->canvas()) return QObject::eventFilter(obj, ev);
+
+    switch (ev->type()) {
+    case QEvent::MouseButtonPress: {
+        auto* me = static_cast<QMouseEvent*>(ev);
+        if (me->button() == Qt::LeftButton) {
+            panning_ = true;
+            startPos_ = me->pos();
+            x0Min_ = plot_->axisScaleDiv(xAxis_).lowerBound();
+            x0Max_ = plot_->axisScaleDiv(xAxis_).upperBound();
+            y0Min_ = plot_->axisScaleDiv(yAxis_).lowerBound();
+            y0Max_ = plot_->axisScaleDiv(yAxis_).upperBound();
+            return true;
+        }
+        break;
+    }
+    case QEvent::MouseMove: {
+        if (!panning_) break;
+        auto* me = static_cast<QMouseEvent*>(ev);
+        const int W = plot_->canvas()->width();
+        const int H = plot_->canvas()->height();
+        if (W <= 0 || H <= 0) break;
+        const double dxData = (me->pos().x() - startPos_.x()) * (x0Max_ - x0Min_) / W;
+        const double dyData = (me->pos().y() - startPos_.y()) * (y0Max_ - y0Min_) / H;
+        // 拖右(dx>0)→窗口左移(xmin/xmax 减)，内容随光标右移；
+        // 拖下(像素 dy>0)→yLeft 数据向上→窗口上移(ymin/ymax 增)，内容随光标下移。
+        plot_->setAxisScale(xAxis_, x0Min_ - dxData, x0Max_ - dxData);
+        plot_->setAxisScale(yAxis_, y0Min_ + dyData, y0Max_ + dyData);
+        plot_->replot();
+        return true;
+    }
+    case QEvent::MouseButtonRelease: {
+        auto* me = static_cast<QMouseEvent*>(ev);
+        if (me->button() == Qt::LeftButton) {
+            panning_ = false;
+            return true;
+        }
+        break;
+    }
+    default:
+        break;
+    }
+    return QObject::eventFilter(obj, ev);
+}
+
+}  // namespace geopro::app
diff --git a/src/app/panels/chart/LivePanner.hpp b/src/app/panels/chart/LivePanner.hpp
new file mode 100644
index 0000000..7ef146b
--- /dev/null
+++ b/src/app/panels/chart/LivePanner.hpp
@@ -0,0 +1,29 @@
+#pragma once
+#include <QObject>
+#include <QPoint>
+
+class QwtPlot;
+
+namespace geopro::app {
+
+// 实时拖动平移：左键拖动时连续平移两轴并 replot（坐标轴 + 内容一起实时移动），
+// 区别于 QwtPlotPanner 的"像素抓取"（拖动中轴不动、边缘空白、松手才定稿）。
+// 平移为纯平移，不改变纵横比（与 QwtPlotRescaler 锁定的真实比尺兼容）。
+class LivePanner : public QObject {
+    Q_OBJECT
+public:
+    LivePanner(QwtPlot* plot, int xAxis, int yAxis, QObject* parent = nullptr);
+
+protected:
+    bool eventFilter(QObject* obj, QEvent* ev) override;
+
+private:
+    QwtPlot* plot_;
+    int xAxis_;
+    int yAxis_;
+    bool panning_ = false;
+    QPoint startPos_;
+    double x0Min_ = 0, x0Max_ = 0, y0Min_ = 0, y0Max_ = 0;
+};
+
+}  // namespace geopro::app
diff --git a/src/app/panels/chart/RawDataChartView.cpp b/src/app/panels/chart/RawDataChartView.cpp
index f6c7609..6a2ab36 100644
--- a/src/app/panels/chart/RawDataChartView.cpp
+++ b/src/app/panels/chart/RawDataChartView.cpp
@@ -10,11 +10,13 @@
 
 #include <qwt_plot.h>
 #include <qwt_plot_canvas.h>
-#include <qwt_plot_panner.h>
 #include <qwt_plot_magnifier.h>
 #include <qwt_plot_marker.h>
+#include <qwt_plot_grid.h>
 #include <qwt_plot_rescaler.h>
 
+#include "panels/chart/LivePanner.hpp"
+
 namespace geopro::app {
 
 RawDataChartView::RawDataChartView(QWidget* parent) : QWidget(parent) {
@@ -71,6 +73,16 @@ RawDataChartView::RawDataChartView(QWidget* parent) : QWidget(parent) {
         plot_->setPalette(pal);
     }
 
+    // 横纵网格线（对齐原版浅灰网格）。
+    auto* grid = new QwtPlotGrid();
+    grid->setMajorPen(QColor(225, 225, 225), 1.0, Qt::SolidLine);
+    grid->setMinorPen(QColor(240, 240, 240), 1.0, Qt::DotLine);
+    grid->enableXMin(false);
+    grid->enableYMin(false);
+    grid->setXAxis(QwtPlot::xTop);
+    grid->setYAxis(QwtPlot::yLeft);
+    grid->attach(plot_);
+
     // 过原点零线（对齐原版 zeroline：x=0 竖线 + y=0 横线 → "四象限"观感）。
     auto* zeroX = new QwtPlotMarker();
     zeroX->setLineStyle(QwtPlotMarker::VLine);
@@ -84,9 +96,8 @@ RawDataChartView::RawDataChartView(QWidget* parent) : QWidget(parent) {
     zeroY->setLinePen(QColor(180, 180, 180), 1.0);
     zeroY->attach(plot_);
 
-    // 交互：Panner（左键拖动平移）+ Magnifier（滚轮缩放）
-    auto* panner = new QwtPlotPanner(plot_->canvas());
-    panner->setMouseButton(Qt::LeftButton);
+    // 交互：LivePanner（左键拖动实时平移，坐标轴+内容一起动）+ Magnifier（滚轮缩放）
+    new LivePanner(plot_, QwtPlot::xTop, QwtPlot::yLeft, this);
 
     auto* magnifier = new QwtPlotMagnifier(plot_->canvas());
     // 反转滚轮方向：Qwt 默认 wheelFactor=0.9 → 上滚缩小；取倒数使「上滚=放大」（常规习惯）。
diff --git a/src/controller/DatasetDetailController.cpp b/src/controller/DatasetDetailController.cpp
index d3e4a48..379f47c 100644
--- a/src/controller/DatasetDetailController.cpp
+++ b/src/controller/DatasetDetailController.cpp
@@ -19,10 +19,10 @@ void DatasetDetailController::openDataset(const QString& dsId, const QString& dd
         ChartData d;
         d.dsId = dsId;
         d.ddCode = ddCode;
+        // 仅拉原数据视图所需（scatter + 散点色阶 + 异常，~0.8s）。
+        // 网格数据(inversion/rows 服务端网格化 ~4s)推迟到切「网格数据」页时按需加载。
         d.scatter = repo_.loadScatter(id);
         d.scatterScale = repo_.loadScatterColorScale(id);
-        d.grid = repo_.loadGrid(id);
-        d.gridScale = repo_.loadColorScale(id);
         d.anomalies = repo_.loadAnomalies(id);
         busy_ = false;
         emit chartReady(d);
diff --git a/tests/controller/test_dataset_detail_controller.cpp b/tests/controller/test_dataset_detail_controller.cpp
index 1247677..f1b1b01 100644
--- a/tests/controller/test_dataset_detail_controller.cpp
+++ b/tests/controller/test_dataset_detail_controller.cpp
@@ -7,8 +7,9 @@ namespace {
 struct StubRepo : data::IDatasetRepository {
     bool fail = false;
     std::vector<data::GsNode> loadStructure() override { return {}; }
-    core::Grid loadGrid(const std::string&) override { if (fail) throw std::runtime_error("x"); core::Grid g(2,2); g.x={0,1}; g.y={0,1}; return g; }
-    core::ScatterField loadScatter(const std::string&) override { return {}; }
+    core::Grid loadGrid(const std::string&) override { core::Grid g(2,2); g.x={0,1}; g.y={0,1}; return g; }
+    // openDataset 现只拉 scatter/scatterScale/anomalies（网格懒加载），失败路径由 loadScatter 抛出触发。
+    core::ScatterField loadScatter(const std::string&) override { if (fail) throw std::runtime_error("x"); return {}; }
     core::ColorScale loadColorScale(const std::string&) override { return {}; }
     core::ColorScale loadScatterColorScale(const std::string&) override { return {}; }
     std::vector<core::Anomaly> loadAnomalies(const std::string&) override { return {}; }