描述支持html

packages/form/src/form-item.vue

@@ -13,7 +13,10 @@
       :is-auto-width="labelStyle && labelStyle.width === 'auto'"
       :update-all="form.labelWidth === 'auto'">
       <label :for="labelFor" class="el-form-item__label" :style="labelStyle" v-if="label || $slots.label">
-        <slot name="label">{{label + form.labelSuffix}}</slot>
+        <slot name="label">
+          <span v-html="label + form.labelSuffix">
+          </span>
+        </slot>
       </label>
     </label-wrap>
     <div class="el-form-item__content" :style="contentStyle">