diff --git a/components/data-filter/data-filter.vue b/components/data-filter/data-filter.vue
index 605e724..6855fd1 100644
--- a/components/data-filter/data-filter.vue
+++ b/components/data-filter/data-filter.vue
@@ -3,7 +3,7 @@
 		<view   style="line-height: 34upx;height: 35upx;padding-right: 40upx;font-size: 32upx;">
 			<!-- <text style="color: #666;font-size: 30rpx;">筛选</text> -->
 			<image @click="showFilter()" src="../../static/images/filter.png" style="width: 36upx;height: 36upx;vertical-align: middle;"></image>
-			<text class="clearsift" @click="clearsf()">清除筛选</text>
+			<text v-if="clearswitch" class="clearsift" @click="clearsf()">清除筛选</text>
 		</view>
 		<!-- ${filterWidth} -->
 		<u-popup :show="filterShow" mode="center" @close="closeFilter" :safeAreaInsetTop="true" :closeable="false">
@@ -105,6 +105,7 @@
 		},
 		data(){
 			return{
+				clearswitch:false,
 				courseSysTypeTree:[],
 				courseScenceList:[],
 				filterShow:false,//是否显示过虑器
@@ -132,6 +133,8 @@
 		mounted() {
 			// this.filterWidth=(this.$width-100)+'px'; //右边出来的抽屉宽度控制
 			this.loadData();
+			this.clswitch();
+			
 		},
 		computed:{
 			filterTags(){ //过滤标签
@@ -194,7 +197,17 @@
 			}
 		},
 		methods:{
+			clswitch(){
+				if(this.filterTags.length == 3 || this.filterTags.length == 0){
+					console.log(this.filterTags.length)
+					this.clearswitch = false;
+				}else{
+					this.clearswitch = true;
+				}
+			},
+			// 清除筛选
 			clearsf(){
+				console.log(this.filterTags);
 				if(this.type==1){//生成课程查询条件
 					let params={
 						pageIndex:1,
@@ -213,6 +226,7 @@
 						cateName:''
 					}
 					this.$emit('submit',this.filterTags,params);
+					this.clearswitch = false;
 				}
 				this.course.sysType1 = '';
 				this.course.sysType2 = '';
@@ -414,7 +428,8 @@
 					
 					this.$emit('submit',this.filterTags,params);
 				}
-				
+				console.log(this.filterTags.length,'llll')
+				this.clswitch();
 			}
 		}
 	}