diff --git a/src/data/CMakeLists.txt b/src/data/CMakeLists.txt
index 803e557..4e0aa60 100644
--- a/src/data/CMakeLists.txt
+++ b/src/data/CMakeLists.txt
@@ -4,6 +4,7 @@ add_library(geopro_data STATIC
   parse/SampleParsers.cpp
   repo/LocalSampleRepository.cpp
   dto/NavDto.cpp
+  dto/DatasetChartDto.cpp
   api/ApiProjectRepository.cpp)
 target_include_directories(geopro_data PUBLIC ${CMAKE_CURRENT_SOURCE_DIR})
 target_link_libraries(geopro_data PUBLIC geopro_core geopro_net Qt6::Core PRIVATE nlohmann_json::nlohmann_json)
diff --git a/src/data/dto/DatasetChartDto.cpp b/src/data/dto/DatasetChartDto.cpp
new file mode 100644
index 0000000..6d20cdf
--- /dev/null
+++ b/src/data/dto/DatasetChartDto.cpp
@@ -0,0 +1,74 @@
+#include "dto/DatasetChartDto.hpp"
+#include <cmath>
+#include <QString>
+namespace geopro::data::dto {
+using namespace geopro::core;
+
+static double num(const QJsonValue& v, double def = 0.0) {
+    if (v.isDouble()) return v.toDouble();
+    if (v.isString()) { bool ok = false; double d = v.toString().toDouble(&ok); return ok ? d : def; }
+    return def;
+}
+
+Grid parseInversionGrid(const QJsonObject& data) {
+    const QJsonArray x = data.value("x").toArray();
+    const QJsonArray y = data.value("y").toArray();
+    const QJsonArray v = data.value("v").toArray();  // [ny][nx]
+    const int nx = x.size(), ny = y.size();
+    Grid g(nx < 1 ? 1 : nx, ny < 1 ? 1 : ny);
+    g.x.clear(); for (auto e : x) g.x.push_back(num(e));
+    g.y.clear(); for (auto e : y) g.y.push_back(num(e));
+    for (int j = 0; j < ny; ++j) {
+        const QJsonArray row = v.at(j).toArray();
+        for (int i = 0; i < nx; ++i) {
+            const QJsonValue cell = row.at(i);
+            g.valueAt(i, j) = (cell.isNull() || cell.isUndefined()) ? std::nan("") : num(cell, std::nan(""));
+        }
+    }
+    g.vmin = num(data.value("vmin")); g.vmax = num(data.value("vmax"));
+    return g;
+}
+
+ScatterField parseScatterGraph(const QJsonObject& data) {
+    ScatterField s;
+    auto fill = [&](const char* key, std::vector<double>& dst) {
+        for (auto e : data.value(key).toArray()) dst.push_back(num(e)); };
+    fill("xlist", s.x); fill("ylist", s.y); fill("hlist", s.z); fill("vlist", s.v);
+    fill("projectXList", s.projX); fill("projectYList", s.projY);
+    return s;
+}
+
+ColorScale parseColorBar(const QJsonObject& data) {
+    ColorScale cs;
+    const QJsonArray bar = data.value("properties").toObject().value("colorBar").toArray();
+    for (auto e : bar) {
+        const QJsonArray pair = e.toArray();
+        if (pair.size() < 2) continue;
+        const double val = num(pair.at(0));
+        const std::string rgba = pair.at(1).toString().toStdString();
+        cs.addStop(val, parseColor(rgba, AlphaScale::Bit255));
+    }
+    return cs;
+}
+
+std::vector<Anomaly> parseDatasetAnomalies(const QJsonArray& arr) {
+    std::vector<Anomaly> out;
+    for (auto e : arr) {
+        const QJsonObject o = e.toObject();
+        Anomaly a;
+        a.name = o.value("exceptionName").toString().toStdString();
+        a.typeName = o.value("exceptionTypeName").toString().toStdString();
+        a.markType = static_cast<AnomalyMarkType>(o.value("exceptionMarkType").toInt(2));
+        const QJsonObject lg = o.value("legend").toObject();
+        a.lineColor = lg.value("polylineColor").toString("#000000").toStdString();
+        a.lineWidth = lg.value("polylineWidth").toDouble(1.0);
+        a.dashed = lg.value("polylineShape").toString() == "dash";
+        for (auto c : o.value("location").toObject().value("coordinate").toArray()) {
+            const QJsonObject p = c.toObject();
+            a.localPts.push_back(Vec2{p.value("x").toDouble(), p.value("y").toDouble()});
+        }
+        out.push_back(std::move(a));
+    }
+    return out;
+}
+}  // namespace geopro::data::dto
diff --git a/src/data/dto/DatasetChartDto.hpp b/src/data/dto/DatasetChartDto.hpp
new file mode 100644
index 0000000..c06dca5
--- /dev/null
+++ b/src/data/dto/DatasetChartDto.hpp
@@ -0,0 +1,19 @@
+#pragma once
+#include <vector>
+#include <QJsonObject>
+#include <QJsonArray>
+#include "model/Field.hpp"
+#include "model/ColorScale.hpp"
+#include "model/Anomaly.hpp"
+namespace geopro::data::dto {
+
+// inversion/rows 的 data{ x,y,v[ny][nx],z,elevation,vmin,vmax } → Grid（v 缺省/非数→NaN）。
+geopro::core::Grid parseInversionGrid(const QJsonObject& data);
+// getErtRawDataScatterGraph 的 data{ xlist,ylist,hlist,vlist,projectXList,projectYList } → ScatterField。
+geopro::core::ScatterField parseScatterGraph(const QJsonObject& data);
+// colorGradation/getDetail 的 data.properties.colorBar [[值,"rgba()"],…] → ColorScale。
+geopro::core::ColorScale parseColorBar(const QJsonObject& data);
+// queryException 的 data 数组 → Anomaly[]（location.coordinate / legend）。
+std::vector<geopro::core::Anomaly> parseDatasetAnomalies(const QJsonArray& arr);
+
+}  // namespace geopro::data::dto
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index bbb4d4b..6e60a4e 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -37,6 +37,7 @@ target_link_libraries(geopro_tests PRIVATE geopro_core)
 target_sources(geopro_tests PRIVATE data/test_parsers.cpp)
 target_sources(geopro_tests PRIVATE data/test_local_repo.cpp)
 target_sources(geopro_tests PRIVATE data/test_nav_dto.cpp)
+target_sources(geopro_tests PRIVATE data/test_dataset_chart_dto.cpp)
 target_link_libraries(geopro_tests PRIVATE geopro_data)
 
 # net 层：RSA 加密器。测试需直接用 OpenSSL 生成/解密密钥，故显式 find_package
diff --git a/tests/data/test_dataset_chart_dto.cpp b/tests/data/test_dataset_chart_dto.cpp
new file mode 100644
index 0000000..876da41
--- /dev/null
+++ b/tests/data/test_dataset_chart_dto.cpp
@@ -0,0 +1,42 @@
+#include <gtest/gtest.h>
+#include <QJsonDocument>
+#include <QJsonObject>
+#include <QJsonArray>
+#include "dto/DatasetChartDto.hpp"
+using namespace geopro::data::dto;
+
+static QJsonObject obj(const char* json) {
+    return QJsonDocument::fromJson(json).object();
+}
+
+TEST(DatasetChartDto, ParsesInversionGrid) {
+    auto d = obj(R"({"x":[0,1],"y":[0,1,2],"v":[[1,2],[3,4],[5,6]],"vmin":1,"vmax":6})");
+    auto g = parseInversionGrid(d);
+    EXPECT_EQ(g.nx(), 2); EXPECT_EQ(g.ny(), 3);
+    EXPECT_DOUBLE_EQ(g.valueAt(1, 2), 6.0);
+    EXPECT_DOUBLE_EQ(g.vmax, 6.0);
+}
+TEST(DatasetChartDto, ParsesColorBar) {
+    // Use "json" delimiter to avoid raw-string termination by ")" inside rgba()
+    const char* colorBarJson = "{\"properties\":{\"colorBar\":[[\"10\",\"rgba(0,0,255,255)\"],[\"20\",\"rgba(255,0,0,255)\"]]}}";
+    auto d = obj(colorBarJson);
+    auto cs = parseColorBar(d);
+    auto stops = cs.stopValues();
+    ASSERT_EQ(stops.size(), 2u);
+    EXPECT_DOUBLE_EQ(stops[0], 10.0);
+    auto c = cs.colorAt(12.0);  // [10,20) -> blue
+    EXPECT_GT(c.b, c.r);
+}
+TEST(DatasetChartDto, ParsesAnomalyPolyline) {
+    auto arr = QJsonDocument::fromJson(
+        R"([{"exceptionName":"A1","exceptionTypeName":"AnomalyZone","exceptionMarkType":2,
+            "legend":{"polylineColor":"#0D0101","polylineWidth":4,"polylineShape":"dash"},
+            "location":{"coordinate":[{"x":1,"y":2},{"x":3,"y":4}]}}])").array();
+    auto v = parseDatasetAnomalies(arr);
+    ASSERT_EQ(v.size(), 1u);
+    EXPECT_EQ(v[0].name, "A1");
+    EXPECT_EQ(static_cast<int>(v[0].markType), 2);
+    ASSERT_EQ(v[0].localPts.size(), 2u);
+    EXPECT_DOUBLE_EQ(v[0].localPts[1].x, 3.0);
+    EXPECT_TRUE(v[0].dashed);
+}