resolve some problem

src/view/pc/fans.vue

@@ -6,7 +6,7 @@
       <ForceMap v-else :mapStyle="mapStyle" :optionList="optionList" :cityObj="cityObj" @setrankList="setrankList" title="铁粉数"/>
     </div>
     <div class="user-rank-list" ref="user-rank-list">
-      <RankList title="铁粉榜" @clear="clear" :cityObj="cityObj" :dropdownList="dropdownList" @dropdownFn="dropdownFn" listTitle="铁粉数" :city="city" :rankData="rankData" @rankFans="rankFans"/>
+      <RankList title="铁粉榜" @clear="clear" @clearRank="clearRank" :cityObj="cityObj" :dropdownList="dropdownList" @dropdownFn="dropdownFn" listTitle="铁粉数" :city="city" :rankData="rankData" @rankFans="rankFans"/>
     </div>
   </div>
 </template>
@@ -63,6 +63,11 @@ export default {
       this.rankData = this.rankList
       this.city = '全国'
     },
+    clearRank() {
+      this.cityObj = null
+      this.optionList = this.dataList
+      console.log('fans clear')
+    },
     rankFans(item) {
       getFanDistribution(item.username).then(re=>{
         if (re.status === 200){

src/view/pc/rankList.vue

@@ -2,7 +2,7 @@
  <div class="rank-list-box">
   <div class="force-slide" :style="!slideopen?'right:-10px':''" >
   <!-- <div class="force-slide"  v-if="userItem || ( title !== '铁粉榜' && city !=='全国')" @click="clear"> -->
-      <img src="@/assets/img/go-back.png" style="margin-bottom:16px;" v-if="userItem || ( title !== '铁粉榜' && city !=='全国')" @click="clear" alt="">
+      <img src="@/assets/img/go-back.png" style="margin-bottom:16px;" v-if="slideopen &&(userItem || (city !=='全国'))" @click="clear" alt="">
       <div class="force-slide-open" @click="slideopen = !slideopen">
         <img src="@/assets/img/rank-open.png" alt="">
         <span>{{slideopen?'折叠榜单':'展开榜单'}}</span>
@@ -63,8 +63,12 @@ export default {
       
     },
     clear () {
-      this.$emit('clear')
-      this.userItem = null
+      if(!userItem){
+        this.$emit('clear')
+      } else {
+        this.userItem = null;
+        this.$emit('clearRank');
+      }
     },
     rankAdd(item){
       if (this.title == '用户原力月榜') {