diff --git a/src/components/calc/index.vue b/src/components/calc/index.vue
index 5bfc86d..6e37d8d 100644
--- a/src/components/calc/index.vue
+++ b/src/components/calc/index.vue
@@ -22,7 +22,7 @@
               <div class="title">{{ it.title }}</div>
               <div class="input">
                 <input type="number" v-model="it.value" :placeholder="it.placeholder"/>
-                <span class="unit">{{ it.unit }}</span>
+                <span v-if="it.unit" class="unit">{{ it.unit }}</span>
               </div>
             </div>
           </div>
@@ -33,7 +33,7 @@
               <div class="title">{{ it.title }}</div>
               <div class="input">
                 <input type="number" v-model="it.value" :placeholder="it.placeholder"/>
-                <span class="unit">{{ it.unit }}</span>
+                <span v-if="it.unit" class="unit">{{ it.unit }}</span>
               </div>
             </div>
           </div>
diff --git a/src/pages/result/components/input-setting.vue b/src/pages/result/components/input-setting.vue
index 9d5f52a..1a12e58 100644
--- a/src/pages/result/components/input-setting.vue
+++ b/src/pages/result/components/input-setting.vue
@@ -23,7 +23,7 @@
               <div class="title">{{ it.title }}</div>
               <div class="input">
                 <input type="number" v-model="it.value" :placeholder="it.placeholder"/>
-                <span class="unit">{{ it.unit }}</span>
+                <span v-if="it.unit" class="unit">{{ it.unit }}</span>
               </div>
             </div>
           </div>
@@ -34,7 +34,7 @@
               <div class="title">{{ it.title }}</div>
               <div class="input">
                 <input type="number" v-model="it.value" :placeholder="it.placeholder"/>
-                <span class="unit">{{ it.unit }}</span>
+                <span v-if="it.unit" class="unit">{{ it.unit }}</span>
               </div>
             </div>
           </div>