diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
new file mode 100644
index 0000000..a6dba10
--- /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_cms_engine.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_cms_engine.cpp b/tests/test_cms_engine.cpp
new file mode 100644
index 0000000..e0969f6
--- /dev/null
+++ b/tests/test_cms_engine.cpp
@@ -0,0 +1,316 @@
+#include <gtest/gtest.h>
+#include <string>
+#include <vector>
+#include "app.hpp"
+
+// ============================================================================
+// Test Fixture for CmsEngine
+// ============================================================================
+class CmsEngineTest : public ::testing::Test {
+protected:
+    CmsEngine engine;
+
+    void SetUp() override {
+        // Initialize with some plans for findPlanById and updatePlanStatus tests
+        TaskPlan plan1;
+        plan1.name = "Plan1";
+        engine.createTaskPlan(plan1);
+
+        TaskPlan plan2;
+        plan2.name = "Plan2";
+        engine.createTaskPlan(plan2);
+
+        // Register a template for registerTemplate tests
+        TemplateInstance tmpl;
+        tmpl.templateId = "TMPL-001";
+        tmpl.confidence = 0.8;
+        engine.registerTemplate(tmpl);
+    }
+
+    // Helper to get the first plan's ID
+    std::string getFirstPlanId() const {
+        const auto& plans = engine.getAllPlans();
+        if (!plans.empty()) {
+            return plans[0].id;
+        }
+        return "";
+    }
+
+    // Helper to get the second plan's ID
+    std::string getSecondPlanId() const {
+        const auto& plans = engine.getAllPlans();
+        if (plans.size() > 1) {
+            return plans[1].id;
+        }
+        return "";
+    }
+};
+
+// ============================================================================
+// Tests for findPlanById
+// ============================================================================
+
+/**
+ * @test 正常输入测试 - 查找存在的方案
+ * @description 使用有效的 planId 查找已存在的方案，应返回正确的方案指针
+ */
+TEST_F(CmsEngineTest, testFindPlanByIdExistingPlan) {
+    std::string planId = getFirstPlanId();
+    ASSERT_FALSE(planId.empty()) << "Plan ID should not be empty";
+
+    const TaskPlan* result = engine.findPlanById(planId);
+    ASSERT_NE(result, nullptr) << "Should find the existing plan";
+    EXPECT_EQ(result->id, planId) << "Plan ID should match";
+    EXPECT_EQ(result->name, "Plan1") << "Plan name should match";
+}
+
+/**
+ * @test 边界值测试 - 查找不存在的方案
+ * @description 使用不存在的 planId 查找方案，应返回 nullptr
+ */
+TEST_F(CmsEngineTest, testFindPlanByIdNonExistingPlan) {
+    const std::string nonExistingId = "ID-99999";
+    const TaskPlan* result = engine.findPlanById(nonExistingId);
+    EXPECT_EQ(result, nullptr) << "Should return nullptr for non-existing plan";
+}
+
+/**
+ * @test 边界值测试 - 查找空字符串 ID
+ * @description 使用空字符串作为 planId 查找方案，应返回 nullptr
+ */
+TEST_F(CmsEngineTest, testFindPlanByIdEmptyId) {
+    const std::string emptyId = "";
+    const TaskPlan* result = engine.findPlanById(emptyId);
+    EXPECT_EQ(result, nullptr) << "Should return nullptr for empty ID";
+}
+
+/**
+ * @test 特殊场景测试 - 查找多个方案中的特定方案
+ * @description 在多个方案中查找第二个方案，应返回正确的方案
+ */
+TEST_F(CmsEngineTest, testFindPlanByIdSecondPlan) {
+    std::string planId = getSecondPlanId();
+    ASSERT_FALSE(planId.empty()) << "Second plan ID should not be empty";
+
+    const TaskPlan* result = engine.findPlanById(planId);
+    ASSERT_NE(result, nullptr) << "Should find the second plan";
+    EXPECT_EQ(result->id, planId) << "Plan ID should match";
+    EXPECT_EQ(result->name, "Plan2") << "Plan name should match";
+}
+
+/**
+ * @test 异常输入测试 - 查找特殊字符 ID
+ * @description 使用包含特殊字符的 planId 查找方案，应返回 nullptr
+ */
+TEST_F(CmsEngineTest, testFindPlanByIdSpecialChars) {
+    const std::string specialId = "!@#$%^&*()";
+    const TaskPlan* result = engine.findPlanById(specialId);
+    EXPECT_EQ(result, nullptr) << "Should return nullptr for special character ID";
+}
+
+// ============================================================================
+// Tests for updatePlanStatus
+// ============================================================================
+
+/**
+ * @test 正常输入测试 - 更新方案状态
+ * @description 使用有效的 planId 更新方案状态，应返回 true 并更新状态
+ */
+TEST_F(CmsEngineTest, testUpdatePlanStatusSuccess) {
+    std::string planId = getFirstPlanId();
+    ASSERT_FALSE(planId.empty()) << "Plan ID should not be empty";
+
+    PlanStatus newStatus = PlanStatus::Approved;
+    bool result = engine.updatePlanStatus(planId, newStatus);
+    EXPECT_TRUE(result) << "Should return true for successful update";
+
+    // Verify the status was updated
+    const TaskPlan* updatedPlan = engine.findPlanById(planId);
+    ASSERT_NE(updatedPlan, nullptr) << "Plan should still exist";
+    EXPECT_EQ(updatedPlan->status, newStatus) << "Plan status should be updated";
+}
+
+/**
+ * @test 边界值测试 - 更新不存在的方案状态
+ * @description 使用不存在的 planId 更新方案状态，应返回 false
+ */
+TEST_F(CmsEngineTest, testUpdatePlanStatusNonExistingPlan) {
+    const std::string nonExistingId = "ID-99999";
+    bool result = engine.updatePlanStatus(nonExistingId, PlanStatus::Approved);
+    EXPECT_FALSE(result) << "Should return false for non-existing plan";
+}
+
+/**
+ * @test 边界值测试 - 更新空字符串 ID 的方案状态
+ * @description 使用空字符串作为 planId 更新方案状态，应返回 false
+ */
+TEST_F(CmsEngineTest, testUpdatePlanStatusEmptyId) {
+    const std::string emptyId = "";
+    bool result = engine.updatePlanStatus(emptyId, PlanStatus::Approved);
+    EXPECT_FALSE(result) << "Should return false for empty ID";
+}
+
+/**
+ * @test 特殊场景测试 - 更新方案状态为 Drafting
+ * @description 更新方案状态为 Drafting，应返回 true 并更新状态
+ */
+TEST_F(CmsEngineTest, testUpdatePlanStatusToDrafting) {
+    std::string planId = getFirstPlanId();
+    ASSERT_FALSE(planId.empty()) << "Plan ID should not be empty";
+
+    bool result = engine.updatePlanStatus(planId, PlanStatus::Drafting);
+    EXPECT_TRUE(result) << "Should return true for successful update";
+
+    const TaskPlan* updatedPlan = engine.findPlanById(planId);
+    ASSERT_NE(updatedPlan, nullptr) << "Plan should still exist";
+    EXPECT_EQ(updatedPlan->status, PlanStatus::Drafting) << "Plan status should be Drafting";
+}
+
+/**
+ * @test 特殊场景测试 - 多次更新方案状态
+ * @description 连续多次更新同一方案的状态，应每次返回 true 并更新状态
+ */
+TEST_F(CmsEngineTest, testUpdatePlanStatusMultipleTimes) {
+    std::string planId = getFirstPlanId();
+    ASSERT_FALSE(planId.empty()) << "Plan ID should not be empty";
+
+    // First update
+    bool result1 = engine.updatePlanStatus(planId, PlanStatus::Approved);
+    EXPECT_TRUE(result1) << "First update should succeed";
+
+    // Second update
+    bool result2 = engine.updatePlanStatus(planId, PlanStatus::Executing);
+    EXPECT_TRUE(result2) << "Second update should succeed";
+
+    // Third update
+    bool result3 = engine.updatePlanStatus(planId, PlanStatus::Completed);
+    EXPECT_TRUE(result3) << "Third update should succeed";
+
+    // Verify final status
+    const TaskPlan* updatedPlan = engine.findPlanById(planId);
+    ASSERT_NE(updatedPlan, nullptr) << "Plan should still exist";
+    EXPECT_EQ(updatedPlan->status, PlanStatus::Completed) << "Plan status should be Completed";
+}
+
+// ============================================================================
+// Tests for registerTemplate
+// ============================================================================
+
+/**
+ * @test 正常输入测试 - 注册模板
+ * @description 注册一个有效的模板实例，应成功添加
+ */
+TEST_F(CmsEngineTest, testRegisterTemplateSuccess) {
+    TemplateInstance tmpl;
+    tmpl.templateId = "TMPL-002";
+    tmpl.confidence = 0.9;
+
+    engine.registerTemplate(tmpl);
+
+    // Verify the template was registered by matching
+    const TemplateInstance* matched = engine.matchTemplate("test_scenario");
+    ASSERT_NE(matched, nullptr) << "Should find a template after registration";
+    EXPECT_EQ(matched->templateId, "TMPL-002") << "Should match the newly registered template";
+    EXPECT_EQ(matched->confidence, 0.9) << "Confidence should match";
+}
+
+/**
+ * @test 边界值测试 - 注册空 ID 模板
+ * @description 注册一个 templateId 为空的模板实例，应成功添加（允许空 ID）
+ */
+TEST_F(CmsEngineTest, testRegisterTemplateEmptyId) {
+    TemplateInstance tmpl;
+    tmpl.templateId = "";
+    tmpl.confidence = 0.5;
+
+    engine.registerTemplate(tmpl);
+
+    // Verify the template was registered
+    const TemplateInstance* matched = engine.matchTemplate("test_scenario");
+    ASSERT_NE(matched, nullptr) << "Should find a template after registration";
+    EXPECT_EQ(matched->templateId, "") << "Template ID should be empty";
+}
+
+/**
+ * @test 边界值测试 - 注册零置信度模板
+ * @description 注册一个置信度为 0 的模板实例，应成功添加
+ */
+TEST_F(CmsEngineTest, testRegisterTemplateZeroConfidence) {
+    TemplateInstance tmpl;
+    tmpl.templateId = "TMPL-003";
+    tmpl.confidence = 0.0;
+
+    engine.registerTemplate(tmpl);
+
+    // Verify the template was registered
+    const TemplateInstance* matched = engine.matchTemplate("test_scenario");
+    ASSERT_NE(matched, nullptr) << "Should find a template after registration";
+    EXPECT_EQ(matched->confidence, 0.0) << "Confidence should be 0.0";
+}
+
+/**
+ * @test 特殊场景测试 - 注册多个模板
+ * @description 注册多个模板实例，应全部成功添加
+ */
+TEST_F(CmsEngineTest, testRegisterTemplateMultiple) {
+    TemplateInstance tmpl1;
+    tmpl1.templateId = "TMPL-004";
+    tmpl1.confidence = 0.7;
+
+    TemplateInstance tmpl2;
+    tmpl2.templateId = "TMPL-005";
+    tmpl2.confidence = 0.9;
+
+    TemplateInstance tmpl3;
+    tmpl3.templateId = "TMPL-006";
+    tmpl3.confidence = 0.5;
+
+    engine.registerTemplate(tmpl1);
+    engine.registerTemplate(tmpl2);
+    engine.registerTemplate(tmpl3);
+
+    // Verify the best template is the one with highest confidence
+    const TemplateInstance* matched = engine.matchTemplate("test_scenario");
+    ASSERT_NE(matched, nullptr) << "Should find a template after registration";
+    EXPECT_EQ(matched->templateId, "TMPL-005") << "Should match the template with highest confidence";
+    EXPECT_EQ(matched->confidence, 0.9) << "Confidence should be 0.9";
+}
+
+/**
+ * @test 特殊场景测试 - 注册相同 ID 的模板
+ * @description 注册两个 templateId 相同的模板实例，应都成功添加
+ */
+TEST_F(CmsEngineTest, testRegisterTemplateDuplicateId) {
+    TemplateInstance tmpl1;
+    tmpl1.templateId = "TMPL-007";
+    tmpl1.confidence = 0.6;
+
+    TemplateInstance tmpl2;
+    tmpl2.templateId = "TMPL-007";
+    tmpl2.confidence = 0.8;
+
+    engine.registerTemplate(tmpl1);
+    engine.registerTemplate(tmpl2);
+
+    // Verify both templates are registered and the one with higher confidence is matched
+    const TemplateInstance* matched = engine.matchTemplate("test_scenario");
+    ASSERT_NE(matched, nullptr) << "Should find a template after registration";
+    EXPECT_EQ(matched->confidence, 0.8) << "Should match the template with higher confidence";
+}
+
+/**
+ * @test 异常输入测试 - 注册后立即匹配
+ * @description 注册一个模板后立即匹配，应返回刚注册的模板
+ */
+TEST_F(CmsEngineTest, testRegisterTemplateAndMatchImmediately) {
+    TemplateInstance tmpl;
+    tmpl.templateId = "TMPL-008";
+    tmpl.confidence = 1.0;
+
+    engine.registerTemplate(tmpl);
+
+    const TemplateInstance* matched = engine.matchTemplate("any_scenario");
+    ASSERT_NE(matched, nullptr) << "Should find a template immediately after registration";
+    EXPECT_EQ(matched->templateId, "TMPL-008") << "Should match the just registered template";
+    EXPECT_EQ(matched->confidence, 1.0) << "Confidence should be 1.0";
+}