diff --git a/src/views/assessment/optimization.vue b/src/views/assessment/optimization.vue
index 293a8a8..c215a45 100644
--- a/src/views/assessment/optimization.vue
+++ b/src/views/assessment/optimization.vue
@@ -166,7 +166,7 @@
         </section>
 
         <div v-if="hasConfiguredSteps" class="step-navigation">
-          <button type="button" class="nav-button" :disabled="activeStep === 1" @click="setCurrentStep(activeStep - 1)"><el-icon><ArrowLeft /></el-icon>上一步</button>
+          <button v-if="activeStep > 1" type="button" class="nav-button" @click="setCurrentStep(activeStep - 1)"><el-icon><ArrowLeft /></el-icon>上一步</button>
           <button type="button" class="nav-button nav-button--save" :disabled="saving" @click="saveCurrentProgress"><el-icon><CircleCheck /></el-icon>保存当前进度</button>
           <button v-if="activeStep < configuredSteps.length" type="button" class="nav-button nav-button--primary" @click="goNextStep">下一步<el-icon><ArrowRight /></el-icon></button>
         </div>
diff --git a/src/views/channel/index.vue b/src/views/channel/index.vue
index 726e3c9..7ded007 100644
--- a/src/views/channel/index.vue
+++ b/src/views/channel/index.vue
@@ -120,7 +120,7 @@
     </p>
     <div id="forecastChart" ref="forecastChart" style="width: 80%; height: 400px"></div>
         </section>
-        <div v-if="hasConfiguredSteps" class="step-navigation"><button type="button" class="btn-nav" :disabled="activeStep===1" @click="goPreviousStep"><el-icon><ArrowLeft /></el-icon>上一步</button><button type="button" class="btn-nav btn-save" :disabled="saving" @click="saveCurrentProgress"><el-icon><CircleCheck /></el-icon>保存当前进度</button><button v-if="activeStep < configuredSteps.length" type="button" class="btn-nav btn-primary" @click="goNextStep">下一步<el-icon><ArrowRight /></el-icon></button></div>
+        <div v-if="hasConfiguredSteps" class="step-navigation"><button v-if="activeStep > 1" type="button" class="btn-nav" @click="goPreviousStep"><el-icon><ArrowLeft /></el-icon>上一步</button><button type="button" class="btn-nav btn-save" :disabled="saving" @click="saveCurrentProgress"><el-icon><CircleCheck /></el-icon>保存当前进度</button><button v-if="activeStep < configuredSteps.length" type="button" class="btn-nav btn-primary" @click="goNextStep">下一步<el-icon><ArrowRight /></el-icon></button></div>
     <pop-model :showModel="runResultShow" title="设置代码" @closePop="closeCode">
       <template v-slot:content>
         <div>
diff --git a/src/views/demand/consumer-behavior.vue b/src/views/demand/consumer-behavior.vue
index e536dda..e079bd1 100644
--- a/src/views/demand/consumer-behavior.vue
+++ b/src/views/demand/consumer-behavior.vue
@@ -244,7 +244,7 @@
         </section>
 
         <div class="step-actions">
-          <el-button class="nav-action nav-action--previous" :disabled="form.activeStep === 0" @click="goPrev">
+          <el-button v-if="form.activeStep > 0" class="nav-action nav-action--previous" @click="goPrev">
             <el-icon><ArrowLeft /></el-icon>
             上一步
           </el-button>
diff --git a/src/views/demand/consumer-scenario.vue b/src/views/demand/consumer-scenario.vue
index 2770657..a8a1c48 100644
--- a/src/views/demand/consumer-scenario.vue
+++ b/src/views/demand/consumer-scenario.vue
@@ -217,7 +217,7 @@
         </section>
 
         <div v-if="hasConfiguredSteps" class="step-actions">
-          <button type="button" class="nav-action nav-action--previous" :disabled="form.activeStep === 1" @click="goPreviousStep">
+          <button v-if="form.activeStep > 1" type="button" class="nav-action nav-action--previous" @click="goPreviousStep">
             <el-icon><ArrowLeft /></el-icon>
             上一步
           </button>
diff --git a/src/views/demand/environment.vue b/src/views/demand/environment.vue
index 65222a2..bd23490 100644
--- a/src/views/demand/environment.vue
+++ b/src/views/demand/environment.vue
@@ -98,7 +98,7 @@
           </label>
 
           <div v-if="trainingSteps.length" class="step-actions">
-            <el-button class="step-action-btn step-action-btn--previous" :disabled="currentStep === 1" @click="previousStep">
+            <el-button v-if="currentStep > 1" class="step-action-btn step-action-btn--previous" @click="previousStep">
               <el-icon><ArrowLeft /></el-icon>
               上一步
             </el-button>
diff --git a/src/views/demand/feature-conversion.vue b/src/views/demand/feature-conversion.vue
index 7fa2337..668f452 100644
--- a/src/views/demand/feature-conversion.vue
+++ b/src/views/demand/feature-conversion.vue
@@ -187,7 +187,7 @@
         </section>
 
         <div v-if="hasConfiguredSteps" class="step-navigation">
-          <button type="button" class="btn-nav" :disabled="form.activeStep === 1" @click="goPreviousStep">
+          <button v-if="form.activeStep > 1" type="button" class="btn-nav" @click="goPreviousStep">
             <el-icon><ArrowLeft /></el-icon>
             上一步
           </button>
diff --git a/src/views/demand/index.vue b/src/views/demand/index.vue
index 47e9903..064a1bd 100644
--- a/src/views/demand/index.vue
+++ b/src/views/demand/index.vue
@@ -92,7 +92,7 @@
           </label>
 
           <div v-if="trainingSteps.length" class="step-actions">
-            <el-button class="step-action-btn step-action-btn--previous" :disabled="currentStep === 1" @click="previousStep">
+            <el-button v-if="currentStep > 1" class="step-action-btn step-action-btn--previous" @click="previousStep">
               <el-icon><ArrowLeft /></el-icon>
               上一步
             </el-button>
diff --git a/src/views/demand/people.vue b/src/views/demand/people.vue
index ab0a13e..ce1cc73 100644
--- a/src/views/demand/people.vue
+++ b/src/views/demand/people.vue
@@ -295,7 +295,7 @@
         </section>
 
         <div v-if="steps.length" class="step-actions">
-          <el-button class="step-action step-action--previous" :disabled="currentStep <= 1" @click="currentStep -= 1">
+          <el-button v-if="currentStep > 1" class="step-action step-action--previous" @click="currentStep -= 1">
             <el-icon><ArrowLeft /></el-icon>
             上一步
           </el-button>
diff --git a/src/views/foundation/new-product-survey.vue b/src/views/foundation/new-product-survey.vue
index 40d9849..6d7af4b 100644
--- a/src/views/foundation/new-product-survey.vue
+++ b/src/views/foundation/new-product-survey.vue
@@ -213,7 +213,7 @@
         </section>
 
         <div class="step-navigation">
-          <button type="button" class="btn-nav" :disabled="currentStep === 1" @click="prevStep">
+          <button v-if="currentStep > 1" type="button" class="btn-nav" @click="prevStep">
             <el-icon><ArrowLeft /></el-icon>
             上一步
           </button>
diff --git a/src/views/product/components/ProductStandardTrainingPage.vue b/src/views/product/components/ProductStandardTrainingPage.vue
index c2cf335..d691d6e 100644
--- a/src/views/product/components/ProductStandardTrainingPage.vue
+++ b/src/views/product/components/ProductStandardTrainingPage.vue
@@ -59,7 +59,7 @@
         </section>
 
         <div v-if="hasConfiguredSteps" class="step-navigation">
-          <button type="button" class="btn-nav" :disabled="activeStep === 1" @click="goPreviousStep"><el-icon><ArrowLeft /></el-icon>上一步</button>
+          <button v-if="activeStep > 1" type="button" class="btn-nav" @click="goPreviousStep"><el-icon><ArrowLeft /></el-icon>上一步</button>
           <button type="button" class="btn-nav btn-save" :disabled="saving" @click="saveCurrentProgress"><el-icon><CircleCheck /></el-icon>保存当前步骤</button>
           <button type="button" class="btn-nav" :disabled="saving" @click="clearCurrentStep"><el-icon><RefreshLeft /></el-icon>清空当前步骤</button>
           <button v-if="activeStep < configuredSteps.length" type="button" class="btn-nav btn-primary" @click="goNextStep">下一步<el-icon><ArrowRight /></el-icon></button>
diff --git a/src/views/product/differentiation.vue b/src/views/product/differentiation.vue
index ab858ba..2dc6be1 100644
--- a/src/views/product/differentiation.vue
+++ b/src/views/product/differentiation.vue
@@ -214,7 +214,7 @@
         </section>
 
         <div v-if="hasConfiguredSteps" class="step-navigation">
-          <button type="button" class="btn-nav" :disabled="form.activeStep === 1" @click="goPreviousStep">
+          <button v-if="form.activeStep > 1" type="button" class="btn-nav" @click="goPreviousStep">
             <el-icon><ArrowLeft /></el-icon>
             上一步
           </button>
diff --git a/src/views/product/index.vue b/src/views/product/index.vue
index f89036d..fcce3f3 100644
--- a/src/views/product/index.vue
+++ b/src/views/product/index.vue
@@ -176,7 +176,7 @@
         </section>
 
         <div v-if="steps.length" class="step-actions">
-          <el-button class="step-action-btn step-action-btn--previous" :disabled="currentStep === 1" @click="previousStep">
+          <el-button v-if="currentStep > 1" class="step-action-btn step-action-btn--previous" @click="previousStep">
             <el-icon><ArrowLeft /></el-icon>
             上一步
           </el-button>