diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
new file mode 100644
index 0000000..4cb68f5
--- /dev/null
+++ b/tests/CMakeLists.txt
@@ -0,0 +1,25 @@
+cmake_minimum_required(VERSION 3.10.0)
+project(test_plan_execute_t1)
+include(FetchContent)
+if (MSVC)
+    add_compile_options(/utf-8)
+endif()
+FetchContent_Declare(
+  googletest
+  URL https://github.com/google/googletest/archive/03597a01ee50ed33e9dfd640b249b4be3799d395.zip
+)
+# For Windows: Prevent overriding the parent project's compiler/linker settings
+set(gtest_force_shared_crt ON CACHE BOOL "" FORCE)
+FetchContent_MakeAvailable(googletest)
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+include_directories(${CMAKE_CURRENT_SOURCE_DIR}/../include)
+
+include(CTest)
+enable_testing()
+
+add_executable(test_plan_execute_t1 test_app.cpp ../src/app.cpp)
+
+target_link_libraries(test_plan_execute_t1 gtest gmock gtest_main)
+include(GoogleTest)
+gtest_discover_tests(test_plan_execute_t1)
\ No newline at end of file
diff --git a/tests/test_app.cpp b/tests/test_app.cpp
new file mode 100644
index 0000000..fa86206
--- /dev/null
+++ b/tests/test_app.cpp
@@ -0,0 +1,300 @@
+#include <gtest/gtest.h>
+#include <string>
+#include <vector>
+#include "app.hpp"
+
+// ============================================================
+// 测试夹具：CmsEngineTest
+// ============================================================
+class CmsEngineTest : public ::testing::Test {
+protected:
+    CmsEngine engine;
+
+    void SetUp() override {
+        // 每个测试用例开始前重置引擎状态
+        // 注意：CmsEngine 构造函数已初始化，但 plans_ 为空
+    }
+
+    void TearDown() override {
+        // 清理（如果需要）
+    }
+};
+
+// ============================================================
+// 测试用例：createTaskPlan
+// ============================================================
+
+/**
+ * @requirement(name="任务方案创建", id="REQ-PLAN-CREATE-001")
+ * 系统需校验方案名称非空后，为其分配系统 ID 并存入方案库，
+ * 确保方案数据的完整性和可追溯性。
+ */
+
+// 正常输入测试：创建有效方案
+TEST_F(CmsEngineTest, testCreateTaskPlanNormal) {
+    TaskPlan plan;
+    plan.name = "TestPlan";
+    plan.type = PlanType::Centralized;
+    plan.status = PlanStatus::Drafting;
+    plan.resourceQuota = 0.8;
+    plan.constraints = "无约束";
+
+    bool result = engine.createTaskPlan(plan);
+    EXPECT_TRUE(result);
+    EXPECT_FALSE(plan.id.empty());
+    EXPECT_EQ(plan.name, "TestPlan");
+    EXPECT_EQ(plan.type, PlanType::Centralized);
+    EXPECT_EQ(plan.status, PlanStatus::Drafting);
+    EXPECT_EQ(plan.resourceQuota, 0.8);
+    EXPECT_EQ(plan.constraints, "无约束");
+
+    // 验证方案已存入引擎
+    const auto& plans = engine.getAllPlans();
+    ASSERT_EQ(plans.size(), 1);
+    EXPECT_EQ(plans[0].id, plan.id);
+    EXPECT_EQ(plans[0].name, "TestPlan");
+}
+
+// 边界值测试：名称为空字符串
+TEST_F(CmsEngineTest, testCreateTaskPlanEmptyName) {
+    TaskPlan plan;
+    plan.name = "";
+    plan.type = PlanType::Centralized;
+    plan.status = PlanStatus::Drafting;
+
+    bool result = engine.createTaskPlan(plan);
+    EXPECT_FALSE(result);
+    EXPECT_TRUE(plan.id.empty());  // 不应分配 ID
+
+    // 验证方案未存入引擎
+    const auto& plans = engine.getAllPlans();
+    EXPECT_EQ(plans.size(), 0);
+}
+
+// 边界值测试：名称为空白字符串（仅空格）
+TEST_F(CmsEngineTest, testCreateTaskPlanWhitespaceName) {
+    TaskPlan plan;
+    plan.name = "   ";
+    plan.type = PlanType::Centralized;
+    plan.status = PlanStatus::Drafting;
+
+    bool result = engine.createTaskPlan(plan);
+    EXPECT_TRUE(result);  // 空白字符串不为空，应视为合法
+    EXPECT_FALSE(plan.id.empty());
+
+    const auto& plans = engine.getAllPlans();
+    ASSERT_EQ(plans.size(), 1);
+    EXPECT_EQ(plans[0].name, "   ");
+}
+
+// 边界值测试：名称长度极长
+TEST_F(CmsEngineTest, testCreateTaskPlanLongName) {
+    TaskPlan plan;
+    plan.name = std::string(1000, 'A');  // 1000 个字符
+    plan.type = PlanType::Centralized;
+    plan.status = PlanStatus::Drafting;
+
+    bool result = engine.createTaskPlan(plan);
+    EXPECT_TRUE(result);
+    EXPECT_FALSE(plan.id.empty());
+
+    const auto& plans = engine.getAllPlans();
+    ASSERT_EQ(plans.size(), 1);
+    EXPECT_EQ(plans[0].name, std::string(1000, 'A'));
+}
+
+// 异常输入测试：创建多个方案，验证 ID 唯一性
+TEST_F(CmsEngineTest, testCreateTaskPlanMultiplePlans) {
+    TaskPlan plan1;
+    plan1.name = "Plan1";
+    TaskPlan plan2;
+    plan2.name = "Plan2";
+    TaskPlan plan3;
+    plan3.name = "Plan3";
+
+    EXPECT_TRUE(engine.createTaskPlan(plan1));
+    EXPECT_TRUE(engine.createTaskPlan(plan2));
+    EXPECT_TRUE(engine.createTaskPlan(plan3));
+
+    // 验证 ID 唯一性
+    EXPECT_NE(plan1.id, plan2.id);
+    EXPECT_NE(plan1.id, plan3.id);
+    EXPECT_NE(plan2.id, plan3.id);
+
+    // 验证方案数量
+    const auto& plans = engine.getAllPlans();
+    ASSERT_EQ(plans.size(), 3);
+}
+
+// 特殊场景测试：创建方案后，验证 createTime 被设置
+TEST_F(CmsEngineTest, testCreateTaskPlanCreateTimeSet) {
+    TaskPlan plan;
+    plan.name = "TimeTest";
+    plan.type = PlanType::Centralized;
+    plan.status = PlanStatus::Drafting;
+
+    auto before = std::chrono::system_clock::now();
+    bool result = engine.createTaskPlan(plan);
+    auto after = std::chrono::system_clock::now();
+
+    EXPECT_TRUE(result);
+    EXPECT_GE(plan.createTime, before);
+    EXPECT_LE(plan.createTime, after);
+}
+
+// ============================================================
+// 测试用例：getAllPlans
+// ============================================================
+
+/**
+ * @requirement(name="任务方案列表查询", id="REQ-PLAN-LIST-001")
+ * 系统需返回全部任务方案列表的引用，以支撑方案全局视图展示。
+ */
+
+// 正常输入测试：空列表
+TEST_F(CmsEngineTest, testGetAllPlansEmpty) {
+    const auto& plans = engine.getAllPlans();
+    EXPECT_TRUE(plans.empty());
+    EXPECT_EQ(plans.size(), 0);
+}
+
+// 正常输入测试：包含多个方案
+TEST_F(CmsEngineTest, testGetAllPlansWithPlans) {
+    TaskPlan plan1;
+    plan1.name = "Plan1";
+    TaskPlan plan2;
+    plan2.name = "Plan2";
+    TaskPlan plan3;
+    plan3.name = "Plan3";
+
+    engine.createTaskPlan(plan1);
+    engine.createTaskPlan(plan2);
+    engine.createTaskPlan(plan3);
+
+    const auto& plans = engine.getAllPlans();
+    ASSERT_EQ(plans.size(), 3);
+    EXPECT_EQ(plans[0].name, "Plan1");
+    EXPECT_EQ(plans[1].name, "Plan2");
+    EXPECT_EQ(plans[2].name, "Plan3");
+}
+
+// 边界值测试：验证返回的是常量引用，不可修改
+TEST_F(CmsEngineTest, testGetAllPlansConstReference) {
+    // 编译时验证：const auto& 可以绑定，auto& 会编译错误
+    const auto& plans = engine.getAllPlans();
+    EXPECT_TRUE(plans.empty());
+
+    // 以下代码如果取消注释，编译会失败（因为返回 const 引用）
+    // plans.push_back(TaskPlan());  // 编译错误
+}
+
+// 特殊场景测试：多次调用返回相同引用
+TEST_F(CmsEngineTest, testGetAllPlansSameReference) {
+    const auto& plans1 = engine.getAllPlans();
+    const auto& plans2 = engine.getAllPlans();
+    EXPECT_EQ(&plans1, &plans2);  // 应为同一对象
+}
+
+// ============================================================
+// 测试用例：findPlanById
+// ============================================================
+
+/**
+ * @requirement(name="任务方案查找", id="REQ-PLAN-FIND-001")
+ * 系统需支持根据任务 ID 在方案库中遍历查找对应方案，
+ * 找到返回方案指针，未找到返回 nullptr。
+ */
+
+// 正常输入测试：查找存在的方案
+TEST_F(CmsEngineTest, testFindPlanByIdExisting) {
+    TaskPlan plan;
+    plan.name = "TestPlan";
+    plan.type = PlanType::Centralized;
+    plan.status = PlanStatus::Drafting;
+    engine.createTaskPlan(plan);
+
+    const TaskPlan* found = engine.findPlanById(plan.id);
+    ASSERT_NE(found, nullptr);
+    EXPECT_EQ(found->id, plan.id);
+    EXPECT_EQ(found->name, "TestPlan");
+    EXPECT_EQ(found->type, PlanType::Centralized);
+    EXPECT_EQ(found->status, PlanStatus::Drafting);
+}
+
+// 边界值测试：查找不存在的 ID
+TEST_F(CmsEngineTest, testFindPlanByIdNonExisting) {
+    const TaskPlan* found = engine.findPlanById("NON_EXISTENT_ID");
+    EXPECT_EQ(found, nullptr);
+}
+
+// 边界值测试：查找空字符串 ID
+TEST_F(CmsEngineTest, testFindPlanByIdEmptyId) {
+    TaskPlan plan;
+    plan.name = "TestPlan";
+    engine.createTaskPlan(plan);
+
+    const TaskPlan* found = engine.findPlanById("");
+    EXPECT_EQ(found, nullptr);
+}
+
+// 边界值测试：在空列表中查找
+TEST_F(CmsEngineTest, testFindPlanByIdEmptyList) {
+    const TaskPlan* found = engine.findPlanById("ANY_ID");
+    EXPECT_EQ(found, nullptr);
+}
+
+// 异常输入测试：查找 ID 格式异常
+TEST_F(CmsEngineTest, testFindPlanByIdInvalidFormat) {
+    TaskPlan plan;
+    plan.name = "TestPlan";
+    engine.createTaskPlan(plan);
+
+    // 查找类似但不同的 ID
+    const TaskPlan* found = engine.findPlanById(plan.id + "_extra");
+    EXPECT_EQ(found, nullptr);
+}
+
+// 特殊场景测试：多个方案中查找特定方案
+TEST_F(CmsEngineTest, testFindPlanByIdMultiplePlans) {
+    TaskPlan plan1;
+    plan1.name = "Plan1";
+    TaskPlan plan2;
+    plan2.name = "Plan2";
+    TaskPlan plan3;
+    plan3.name = "Plan3";
+
+    engine.createTaskPlan(plan1);
+    engine.createTaskPlan(plan2);
+    engine.createTaskPlan(plan3);
+
+    // 查找中间方案
+    const TaskPlan* found = engine.findPlanById(plan2.id);
+    ASSERT_NE(found, nullptr);
+    EXPECT_EQ(found->name, "Plan2");
+
+    // 查找最后一个方案
+    found = engine.findPlanById(plan3.id);
+    ASSERT_NE(found, nullptr);
+    EXPECT_EQ(found->name, "Plan3");
+}
+
+// 特殊场景测试：查找后修改方案（通过非 const 方法）
+TEST_F(CmsEngineTest, testFindPlanByIdAndModify) {
+    TaskPlan plan;
+    plan.name = "TestPlan";
+    engine.createTaskPlan(plan);
+
+    // 通过 findPlanById 获取 const 指针，不能修改
+    const TaskPlan* found = engine.findPlanById(plan.id);
+    ASSERT_NE(found, nullptr);
+    EXPECT_EQ(found->status, PlanStatus::Drafting);
+
+    // 通过 updatePlanStatus 修改状态
+    bool updated = engine.updatePlanStatus(plan.id, PlanStatus::Completed);
+    EXPECT_TRUE(updated);
+
+    // 再次查找，验证状态已更新
+    found = engine.findPlanById(plan.id);
+    ASSERT_NE(found, nullptr);
+    EXPECT_EQ(found->status, PlanStatus::Completed);
+}