diff --git a/src/views/training/GenericTrainingPage.vue b/src/views/training/GenericTrainingPage.vue
index ca98819..f74be00 100644
--- a/src/views/training/GenericTrainingPage.vue
+++ b/src/views/training/GenericTrainingPage.vue
@@ -382,9 +382,9 @@
       </section>
 
       <footer v-if="configuredSteps.length" class="step-navigation" aria-label="步骤操作">
-        <el-button v-if="currentStep > 1" plain @click="goPreviousStep">上一步</el-button>
+        <el-button v-if="!isFirstConfiguredStep" plain @click="goPreviousStep">上一步</el-button>
         <el-button type="primary" :loading="saving" @click="saveCurrentProgress">保存当前进度</el-button>
-        <el-button v-if="currentStep < configuredSteps.length" plain @click="goNextStep">下一步</el-button>
+        <el-button v-if="!isLastConfiguredStep" plain @click="goNextStep">下一步</el-button>
       </footer>
 
       </section>
@@ -744,6 +744,8 @@ const saving = ref(false);
 const uploading = ref(false);
 const currentStep = ref(1);
 const configuredSteps = computed(() => parseArray(remoteTask.value?.steps));
+const isFirstConfiguredStep = computed(() => currentStep.value <= 1);
+const isLastConfiguredStep = computed(() => configuredSteps.value.length > 0 && currentStep.value >= configuredSteps.value.length);
 const indexedConfiguredSteps = computed(() => configuredSteps.value.map((step, index) => ({ step, index })));
 const comprehensiveStepNavRef = ref(null);
 const comprehensiveNavDragging = ref(false);
diff --git a/tests/comprehensive-training-layout.static.test.cjs b/tests/comprehensive-training-layout.static.test.cjs
index 0908198..b1ebee9 100644
--- a/tests/comprehensive-training-layout.static.test.cjs
+++ b/tests/comprehensive-training-layout.static.test.cjs
@@ -30,3 +30,10 @@ test("综合实训步骤保持单行并支持鼠标或触控左右拖动", () =>
   assert.match(pageSource, /\.comprehensive-step-strip \.step-name\s*\{[\s\S]*?white-space: nowrap/);
   assert.doesNotMatch(pageSource, /comprehensive-turn-row|comprehensive-turn-rail/);
 });
+
+test("综合实训首尾步骤只展示可用的底部导航", () => {
+  assert.match(pageSource, /const isFirstConfiguredStep = computed\(\(\) => currentStep\.value <= 1\);/);
+  assert.match(pageSource, /const isLastConfiguredStep = computed\(\(\) => configuredSteps\.value\.length > 0 && currentStep\.value >= configuredSteps\.value\.length\);/);
+  assert.match(pageSource, /v-if="!isFirstConfiguredStep" plain @click="goPreviousStep">上一步/);
+  assert.match(pageSource, /v-if="!isLastConfiguredStep" plain @click="goNextStep">下一步/);
+});