diff --git a/src/views/System/components/PowerRole.vue b/src/views/System/components/PowerRole.vue
index 897f36f..4048136 100644
--- a/src/views/System/components/PowerRole.vue
+++ b/src/views/System/components/PowerRole.vue
@@ -46,7 +46,8 @@
 				</lay-collapse>
 			</lay-tab-item>
 		</lay-tab>
-		<view :class="'menuBtn mb' + tabIndex ">
+			
+		<view :class="'menuBtn mb'">
 			<lay-button type="normal" @click="submitMenuClick">保存</lay-button>
 			<lay-button @click="cancelClick">取消</lay-button>
 		</view>
@@ -71,6 +72,10 @@
 		position: absolute;
 		bottom: 38px;
 	}
+	.mb {
+		position: relative;
+		margin-top: 70px;
+	}
 
 	.mb4,
 	.mb5 {