diff --git a/src/views/page/PIDSet.vue b/src/views/page/PIDSet.vue
index be0c4792..98c3533a 100644
--- a/src/views/page/PIDSet.vue
+++ b/src/views/page/PIDSet.vue
@@ -81,6 +81,9 @@
               <div>{{$t('PIDSet.waterFlowPulse')}}(P/L)</div>
               <input @blur="blurChange('14', $event)" v-model="inputData['14']" @input="change('14', $event)" type="number" placeholder="0.0">
             </div>
+            <div class="PID-input-full">
+              <div style="text-align: left;width:350px;">1.5寸（50）对应41个脉冲；<br>2寸（63）对应19个脉冲。</div>
+            </div>
             <div class="PID-input-full">
               <div>{{$t('PIDSet.bypassValve')}}</div>
               <input @blur="blurChange('15', $event)" v-model="inputData['15']" @input="change('15', $event)" type="number" placeholder="0.0">