fix：修复计费单位显示

src/views/billing/rule/index.vue

@@ -39,7 +39,7 @@
         :rules="rules"
         layout="vertical"
       >
-        <AFormItem label="流量(MB)" name="traffic">
+        <AFormItem label="流量" name="traffic">
           <AInputNumber
             v-model:value="currentRule.traffic"
             :min="1"
@@ -148,7 +148,7 @@ const getUnitText = (unit: number) => {
 
 const columns: ColumnsType = [
   {
-    title: '流量(MB)',
+    title: '流量',
     dataIndex: 'traffic',
     key: 'traffic',
     align: 'center',