update multi select to single select

src/components/icd/addDiagnose.vue

@@ -7,7 +7,7 @@
         <span class="close-btn el-icon-close" @click="hideSelf"></span>
         <p class="title-text">添加诊断</p>
         <div class="search-input">
-          <el-input v-model="searchInput" placeholder="搜索疾病" class="search-disease" @input="handleInputSearch" @blur="handleSearchListBlur"></el-input>
+          <el-input v-model="searchInput" placeholder="搜索诊断" class="search-disease" @input="handleInputSearch" @blur="handleSearchListBlur"></el-input>
         </div>
         <div class="main-content">
           <div class="left-box left">
@@ -21,7 +21,7 @@
               infinite-scroll-immediate-check="false"
             >
               <ul class="search-list">
-                <li v-for="(searchLi, index) in searchList" @mousedown.prevent="handleSearchLiClick(searchLi)">
+                <li v-for="(searchLi, index) in searchList" @mousedown="handleSearchLiClick(searchLi)">
                   <div class="left">
                     <p class="disease-name" v-html="searchLi.diseaseName"></p>
                     <div class="one-line">
@@ -81,7 +81,7 @@
         :visible.sync="limitTipsVisible"
         width="400px"
         center>
-        <span>最多只能选择20种疾病</span>
+        <span>最多只能选择20种诊断</span>
         <span slot="footer" class="dialog-footer">
           <!-- <el-button type="primary" >我知道了</el-button> -->
           <div class="know-confirm" @mousedown.prevent="hideNumLimitTips" >我知道了</div>
@@ -163,7 +163,7 @@
         return this.hasItem(this.choosedList, item) > -1 ? true : false;
       },
       handleSearchLiClick(item) {
-        
+        this.searchInput = '';
         let hasIndex = this.hasItem(this.choosedList, item);
         if(  hasIndex > -1 ){
           this.choosedList.splice(hasIndex, 1);
@@ -304,7 +304,7 @@
         let list = JSON.parse(JSON.stringify(this.choosedList));
         this.$store.dispatch('patientsDiagnose/changeDiagnoseList', list)
         this.showDiagnoseModal = false;
-        this.searchInput == '';
+        this.searchInput = '';
         this.searchList = [];
       },
       handleClose(tag) {