diff --git a/src/views/product/after-sales-service.vue b/src/views/product/after-sales-service.vue
index 6e027fd..80f69ae 100644
--- a/src/views/product/after-sales-service.vue
+++ b/src/views/product/after-sales-service.vue
@@ -169,7 +169,7 @@
           <p v-if="stepThreeResult" class="result-message" :class="{ success: stepThreeResult.valid }">{{ stepThreeResult.message }}</p>
           <div class="task-actions">
             <button type="button" class="btn-nav" :disabled="savingStepThree" @click="switchStep(2)"><el-icon><ArrowLeft /></el-icon>返回第 2 步</button>
-            <button type="button" class="btn-nav btn-submit" :disabled="savingStepThree" @click="validateAndSaveStepThree">{{ savingStepThree ? '保存中…' : '保存并进入第 4 步' }}<el-icon><ArrowRight /></el-icon></button>
+            <button type="button" class="btn-nav btn-submit" :disabled="savingStepThree" @click="validateAndSaveStepThree">{{ savingStepThree ? '提交中…' : '校验并提交任务' }}<el-icon><ArrowRight /></el-icon></button>
           </div>
         </section>
 
@@ -279,8 +279,11 @@ const POLICY_SUMMARY_ROWS = [
   { id: "response-commitment", label: "响应承诺" },
   { id: "featured-service", label: "特色服务" },
 ];
-const fallbackSteps = ["故障类型分类", "服务分级与处理方案", "售后服务流程设计", "服务闭环优化"];
-const trainingSteps = computed(() => parseTrainingArray(taskConfig.value?.steps, fallbackSteps));
+const fallbackSteps = ["故障类型分类", "服务分级与处理方案", "售后服务流程设计"];
+const trainingSteps = computed(() => {
+  const configuredSteps = parseTrainingArray(taskConfig.value?.steps, fallbackSteps);
+  return fallbackSteps.map((fallbackStep, index) => configuredSteps[index] || fallbackStep);
+});
 const taskTitle = computed(() => taskConfig.value?.taskName || basePage.title || "售后服务流程设计");
 const taskBackground = computed(() => taskConfig.value?.background || basePage.background);
 const taskRequirement = computed(() => taskConfig.value?.requirements || basePage.task);
@@ -337,7 +340,7 @@ function buildStepThreeAnswer() {
     updatedAt: new Date().toISOString(),
   };
 }
-async function persist(saveAction = "SAVE") { await saveStudentTrainingAnswer(TASK_KEY, { saveAction, currentStep: currentStep.value, step1Answer: JSON.stringify(buildStepOneAnswer()), step2Answer: JSON.stringify(buildStepTwoAnswer()), step3Answer: JSON.stringify(buildStepThreeAnswer()) }); }
+async function persist(saveAction = "SAVE") { await saveStudentTrainingAnswer(TASK_KEY, { saveAction, currentStep: currentStep.value, submitted: saveAction === "SUBMIT", step1Answer: JSON.stringify(buildStepOneAnswer()), step2Answer: JSON.stringify(buildStepTwoAnswer()), step3Answer: JSON.stringify(buildStepThreeAnswer()) }); }
 async function loadTaskConfig() { try { const response = await getTrainingTaskByKey(TASK_KEY); taskConfig.value = response?.data || null; currentStep.value = normalizeStep(currentStep.value); } catch (error) { taskConfig.value = null; } }
 async function loadSavedProgress() {
   try {
@@ -413,7 +416,7 @@ async function validateAndSaveStepThree() {
     const answer = buildStepThreeAnswer(); const response = await checkAfterSalesServiceStepThree(answer);
     stepThreeResult.value = response?.data || null; stepThreePassed.value = Boolean(stepThreeResult.value?.valid);
     if (!stepThreePassed.value) { proxy?.$modal?.msgWarning(stepThreeResult.value?.message || "请完成售后政策框架与详情页摘要"); return; }
-    currentStep.value = normalizeStep(4); await persist("SAVE"); proxy?.$modal?.msgSuccess("售后政策已保存，已进入第 4 步");
+    currentStep.value = normalizeStep(3); await persist("SUBMIT"); proxy?.$modal?.msgSuccess("售后政策已校验通过，任务提交成功");
   } catch (error) { proxy?.$modal?.msgError(error?.message || "保存失败，请稍后重试"); } finally { savingStepThree.value = false; }
 }
 function switchStep(step) {
diff --git a/tests/after-sales-three-step-submit.static.test.cjs b/tests/after-sales-three-step-submit.static.test.cjs
new file mode 100644
index 0000000..aa81c55
--- /dev/null
+++ b/tests/after-sales-three-step-submit.static.test.cjs
@@ -0,0 +1,20 @@
+const assert = require("node:assert/strict");
+const fs = require("node:fs");
+const path = require("node:path");
+const test = require("node:test");
+
+const source = fs.readFileSync(path.join(__dirname, "../src/views/product/after-sales-service.vue"), "utf8");
+
+test("实训任务14只定义三个步骤，末步不再指向第4步", () => {
+  assert.match(source, /const fallbackSteps = \["故障类型分类", "服务分级与处理方案", "售后服务流程设计"\];/);
+  assert.match(source, /const trainingSteps = computed\(\(\) => \{\s*const configuredSteps = parseTrainingArray\(taskConfig\.value\?\.steps, fallbackSteps\);\s*return fallbackSteps\.map\(\(fallbackStep, index\) => configuredSteps\[index\] \|\| fallbackStep\);\s*\}\);/);
+  assert.doesNotMatch(source, /保存并进入第 4 步/);
+  assert.doesNotMatch(source, /已进入第 4 步/);
+});
+
+test("实训任务14第3步校验通过后提交成果", () => {
+  assert.match(source, /校验并提交任务/);
+  assert.match(source, /currentStep\.value = normalizeStep\(3\);\s*await persist\("SUBMIT"\);/);
+  assert.match(source, /async function persist\(saveAction = "SAVE"\) \{ await saveStudentTrainingAnswer\(TASK_KEY, \{ saveAction, currentStep: currentStep\.value, submitted: saveAction === "SUBMIT",/);
+  assert.match(source, /msgSuccess\("售后政策已校验通过，任务提交成功"\)/);
+});