解决弹框 整个弹框都显示 标题的问题

src/components/elDialog/dialog.vue

@@ -1,6 +1,6 @@
 <template>
   <div>
-    <el-dialog  v-dialogDrag v-bind="$attrs" v-on="$listeners" @close="handleClose" :close-on-click-modal="false" class="centerDialog">
+    <el-dialog  v-dialogDrag v-bind="$attrs" :title="title" v-on="$listeners" @close="handleClose" :close-on-click-modal="false" class="centerDialog">
       <slot></slot>
       <slot name="footer" class="dialog-footer"></slot>
     </el-dialog>
@@ -13,7 +13,12 @@ export default {
   data() {
     return {};
   },
-
+  props:{
+    title: {
+      type: String,
+      default: "提示"
+    }
+  },
   mounted() {},
 
   methods: {