fix:bug[17926] 检索页-输入关键词后_页面展示异常

@@ -49,7 +49,7 @@ export struct SearchComponent {
   getRelatedSearchContent() {
     if(StringUtils.isNotEmpty(this.searchText)){
       SearcherAboutDataModel.getRelatedSearchContentData(encodeURI(this.searchText),getContext(this)).then((value) => {
-        if (value != null) {
+        if (value != null && value.length > 0) {
           this.relatedSearchContentsData = []
           value.forEach(item=>{
             let tempValue:string = item
@@ -81,6 +81,9 @@ export struct SearchComponent {
               this.relatedSearchContentsData.push(new SearchRelatedItem(item,tempArr))
             }
           })
+        }else{
+          this.hasInputContent = false
+          this.relatedSearchContentsData = []
         }
       }).catch((err: Error) => {
         console.log(TAG, JSON.stringify(err))
@@ -228,7 +231,7 @@ export struct SearchComponent {
     Row() {
       //左
       Stack({ alignContent: Alignment.Start }) {
-        if (this.searchTextData != null && this.searchTextData.length > 0 && !this.hasInputContent) {
+        if (this.searchTextData != null && this.searchTextData.length > 0 && !this.hasInputContent && StringUtils.isEmpty(this.searchText)) {
           Swiper(this.swiperController) {
             ForEach(this.searchTextData, (item: string, index: number) => {
               Text(item)