diff --git a/src/views/erp/product/unit/ProductUnitForm.vue b/src/views/erp/product/unit/ProductUnitForm.vue
index 9965e5db..146bf9b2 100644
--- a/src/views/erp/product/unit/ProductUnitForm.vue
+++ b/src/views/erp/product/unit/ProductUnitForm.vue
@@ -49,6 +49,14 @@
         v-if="formData.primaryFlag === 'N'"
         prop="changeRate"
       >
+        <template #label>
+          <span>
+            {{ t('FactoryModeling.ProductUnit.dialogChangeRateLabel') }}
+            <el-tooltip content="与主单位换算比例，如：s = 1000 ms，换算比例为1000" placement="top">
+              <Icon icon="ep:question-filled" />
+            </el-tooltip>
+          </span>
+        </template>
         <el-input-number
           v-model="formData.changeRate"
           :step="0.1"