diff --git a/src/data/CMakeLists.txt b/src/data/CMakeLists.txt
index 4d6798a..71d062a 100644
--- a/src/data/CMakeLists.txt
+++ b/src/data/CMakeLists.txt
@@ -1,6 +1,9 @@
 find_package(nlohmann_json CONFIG REQUIRED)
-add_library(geopro_data STATIC parse/SampleParsers.cpp)
+find_package(Qt6 COMPONENTS Core REQUIRED)
+add_library(geopro_data STATIC
+  parse/SampleParsers.cpp
+  repo/LocalSampleRepository.cpp)
 target_include_directories(geopro_data PUBLIC ${CMAKE_CURRENT_SOURCE_DIR})
-target_link_libraries(geopro_data PUBLIC geopro_core PRIVATE nlohmann_json::nlohmann_json)
+target_link_libraries(geopro_data PUBLIC geopro_core Qt6::Core PRIVATE nlohmann_json::nlohmann_json)
 target_compile_features(geopro_data PUBLIC cxx_std_17)
 set_target_properties(geopro_data PROPERTIES AUTOMOC OFF AUTOUIC OFF AUTORCC OFF)
diff --git a/src/data/repo/IDatasetRepository.hpp b/src/data/repo/IDatasetRepository.hpp
new file mode 100644
index 0000000..96e3455
--- /dev/null
+++ b/src/data/repo/IDatasetRepository.hpp
@@ -0,0 +1,21 @@
+#pragma once
+#include <string>
+#include <vector>
+#include "repo/RepoTypes.hpp"
+#include "model/Field.hpp"
+#include "model/ColorScale.hpp"
+#include "model/Anomaly.hpp"
+namespace geopro::data {
+
+// 数据集仓储抽象（同步接口；异步加载留 M1.5）。
+class IDatasetRepository {
+public:
+    virtual ~IDatasetRepository() = default;
+    virtual std::vector<GsNode> loadStructure() = 0;
+    virtual geopro::core::Grid loadGrid(const std::string& dsId) = 0;
+    virtual geopro::core::ScatterField loadScatter(const std::string& dsId) = 0;
+    virtual geopro::core::ColorScale loadColorScale(const std::string& dsId) = 0;
+    virtual std::vector<geopro::core::Anomaly> loadAnomalies(const std::string& dsId) = 0;
+};
+
+}  // namespace geopro::data
diff --git a/src/data/repo/LocalSampleRepository.cpp b/src/data/repo/LocalSampleRepository.cpp
new file mode 100644
index 0000000..6dde8ca
--- /dev/null
+++ b/src/data/repo/LocalSampleRepository.cpp
@@ -0,0 +1,92 @@
+#include "repo/LocalSampleRepository.hpp"
+
+#include <stdexcept>
+#include <utility>
+
+#include <QByteArray>
+#include <QFile>
+#include <QString>
+
+#include "parse/SampleParsers.hpp"
+
+namespace geopro::data {
+
+using namespace geopro::core;
+
+namespace {
+
+// grid1 数据集对应的样本文件名（UTF-8 中文路径）。
+constexpr const char* kDsId = "grid1";
+constexpr const char* kGridFile = u8"剖面网格数据1.txt";
+constexpr const char* kColorScaleFile = u8"剖面网格数据的色阶数据1.txt";
+constexpr const char* kScatterFile = u8"剖面原数据1.txt";
+constexpr const char* kAnomalyFile = u8"剖面网格数据1——对应的异常圈定数据.txt";
+
+// 校验 dsId，未知则抛错（输入边界验证）。
+void requireKnownDs(const std::string& dsId) {
+    if (dsId != kDsId) {
+        throw std::runtime_error("LocalSampleRepository: unknown dataset id '" + dsId + "'");
+    }
+}
+
+}  // namespace
+
+LocalSampleRepository::LocalSampleRepository(std::string sampleDirUtf8)
+    : dirUtf8_(std::move(sampleDirUtf8)) {}
+
+std::string LocalSampleRepository::readFile(const std::string& fileNameUtf8) const {
+    // QString::fromUtf8 保证中文路径正确还原为宽字符，QFile 在 Windows 走宽字符 API。
+    const QString path =
+        QString::fromUtf8(dirUtf8_.c_str()) + QString::fromUtf8(fileNameUtf8.c_str());
+    QFile file(path);
+    if (!file.open(QIODevice::ReadOnly)) {
+        throw std::runtime_error("LocalSampleRepository: cannot open file '" +
+                                 path.toStdString() + "'");
+    }
+    const QByteArray ba = file.readAll();
+    return std::string(ba.constData(), static_cast<size_t>(ba.size()));
+}
+
+std::vector<GsNode> LocalSampleRepository::loadStructure() {
+    DsNode ds;
+    ds.id = kDsId;
+    ds.name = u8"剖面网格数据1";
+    ds.ddType = "grid";
+
+    TmNode tm;
+    tm.id = "tm-ert1";
+    tm.name = "ERT1";
+    tm.confCode = "ERT";
+    tm.dss.push_back(std::move(ds));
+
+    GsNode gs;
+    gs.id = "gs-1";
+    gs.name = u8"测区";
+    gs.tms.push_back(std::move(tm));
+
+    std::vector<GsNode> out;
+    out.push_back(std::move(gs));
+    return out;
+}
+
+Grid LocalSampleRepository::loadGrid(const std::string& dsId) {
+    requireKnownDs(dsId);
+    return parseGrid(readFile(kGridFile));
+}
+
+ScatterField LocalSampleRepository::loadScatter(const std::string& dsId) {
+    requireKnownDs(dsId);
+    return parseScatter(readFile(kScatterFile));
+}
+
+ColorScale LocalSampleRepository::loadColorScale(const std::string& dsId) {
+    requireKnownDs(dsId);
+    return parseColorScale(readFile(kColorScaleFile));
+}
+
+std::vector<Anomaly> LocalSampleRepository::loadAnomalies(const std::string& dsId) {
+    requireKnownDs(dsId);
+    return parseAnomalies(readFile(kAnomalyFile));
+}
+
+}  // namespace geopro::data
diff --git a/src/data/repo/LocalSampleRepository.hpp b/src/data/repo/LocalSampleRepository.hpp
new file mode 100644
index 0000000..2cc7b08
--- /dev/null
+++ b/src/data/repo/LocalSampleRepository.hpp
@@ -0,0 +1,28 @@
+#pragma once
+#include <string>
+#include <vector>
+#include "repo/IDatasetRepository.hpp"
+namespace geopro::data {
+
+// 本地样本仓储：用 QFile 读真实中文路径样本文件（UTF-8），调对应 parser。
+// 合成最小项目结构树：单 GS「测区」→ 单 TM「ERT1」→ 单 DS「grid1」。
+// 注意：实现使用 Qt（QFile 正确处理中文路径），但本接口不含 Q_OBJECT，AUTOMOC OFF。
+class LocalSampleRepository : public IDatasetRepository {
+public:
+    explicit LocalSampleRepository(std::string sampleDirUtf8);
+
+    std::vector<GsNode> loadStructure() override;
+    geopro::core::Grid loadGrid(const std::string& dsId) override;
+    geopro::core::ScatterField loadScatter(const std::string& dsId) override;
+    geopro::core::ColorScale loadColorScale(const std::string& dsId) override;
+    std::vector<geopro::core::Anomaly> loadAnomalies(const std::string& dsId) override;
+
+private:
+    // 用 QFile（路径 = fromUtf8(dir)+fromUtf8(name)）读全文件并转 UTF-8 std::string。
+    // 读失败抛 std::runtime_error。
+    std::string readFile(const std::string& fileNameUtf8) const;
+
+    std::string dirUtf8_;
+};
+
+}  // namespace geopro::data
diff --git a/src/data/repo/RepoTypes.hpp b/src/data/repo/RepoTypes.hpp
new file mode 100644
index 0000000..b671c54
--- /dev/null
+++ b/src/data/repo/RepoTypes.hpp
@@ -0,0 +1,9 @@
+#pragma once
+#include <string>
+#include <vector>
+namespace geopro::data {
+struct DsNode { std::string id, name, ddType; };
+struct TmNode { std::string id, name, confCode; std::vector<DsNode> dss; };
+struct GsNode { std::string id, name; std::vector<TmNode> tms; };
+struct Project { std::string id, name; std::vector<GsNode> gss; };
+}  // namespace geopro::data
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index db204e4..30c58b7 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -13,12 +13,16 @@ include(GoogleTest)
 file(GLOB _proj_data_dirs
   "${CMAKE_BINARY_DIR}/vcpkg_installed/*/share/proj"
 )
+# DISCOVERY_MODE PRE_TEST：把用例枚举推迟到 ctest 运行时执行，而非构建后立即跑
+# exe。因 geopro_data 链 Qt6::Core，构建期发现会因 Qt6Core.dll 尚未拷贝到 exe 旁而
+# 失败（0xc0000135）；推迟到运行期时 POST_BUILD 已把运行时 DLL 拷到位。
 if(_proj_data_dirs)
   list(GET _proj_data_dirs 0 GEOPRO_PROJ_DATA)
   gtest_discover_tests(geopro_tests
+    DISCOVERY_MODE PRE_TEST
     PROPERTIES ENVIRONMENT "PROJ_DATA=${GEOPRO_PROJ_DATA}")
 else()
-  gtest_discover_tests(geopro_tests)
+  gtest_discover_tests(geopro_tests DISCOVERY_MODE PRE_TEST)
 endif()
 
 target_sources(geopro_tests PRIVATE core/test_local_frame.cpp)
@@ -30,6 +34,16 @@ target_sources(geopro_tests PRIVATE core/test_model_data.cpp)
 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_link_libraries(geopro_tests PRIVATE geopro_data)
 
+# geopro_data 链 Qt6::Core，测试 exe 运行（含 gtest 发现）需要 Qt6Core.dll 等运行时
+# DLL 在旁。复用 app 同样的 TARGET_RUNTIME_DLLS POST_BUILD 拷贝。
+if(WIN32)
+  add_custom_command(TARGET geopro_tests POST_BUILD
+    COMMAND ${CMAKE_COMMAND} -E copy_if_different
+            $<TARGET_RUNTIME_DLLS:geopro_tests> $<TARGET_FILE_DIR:geopro_tests>
+    COMMAND_EXPAND_LISTS)
+endif()
+
 add_subdirectory(spike)   # spike S3: banded contour 渲染验证
diff --git a/tests/data/test_local_repo.cpp b/tests/data/test_local_repo.cpp
new file mode 100644
index 0000000..502835f
--- /dev/null
+++ b/tests/data/test_local_repo.cpp
@@ -0,0 +1,28 @@
+#include <gtest/gtest.h>
+#include "repo/LocalSampleRepository.hpp"
+using namespace geopro::data;
+using namespace geopro::core;
+
+static const std::string kDir = "D:/Git/lanbingtech/geopro/docs/剖面网格数据的色阶数据2等文件/";
+
+TEST(LocalRepo, StructureNonEmpty) {
+    LocalSampleRepository repo(kDir);
+    auto gs = repo.loadStructure();
+    ASSERT_FALSE(gs.empty());
+    ASSERT_FALSE(gs[0].tms.empty());
+    ASSERT_FALSE(gs[0].tms[0].dss.empty());
+    EXPECT_EQ(gs[0].tms[0].dss[0].id, "grid1");
+}
+
+TEST(LocalRepo, LoadGridScatterAnomaly) {
+    LocalSampleRepository repo(kDir);
+    Grid g = repo.loadGrid("grid1");
+    EXPECT_EQ(g.nx(), 100); EXPECT_EQ(g.ny(), 22);
+    ScatterField s = repo.loadScatter("grid1");
+    EXPECT_EQ(s.v.size(), 2597u);
+    auto an = repo.loadAnomalies("grid1");
+    EXPECT_EQ(an.size(), 3u);
+    EXPECT_EQ(an[0].markType, AnomalyMarkType::Polyline);
+    ColorScale cs = repo.loadColorScale("grid1");
+    EXPECT_FALSE(cs.empty());
+}