保函证书回显

src/views/member/user/index.vue

@@ -446,8 +446,8 @@ export default {
     setGuarantee(){
       seTupdateBackletter({userId:this.publicObj.id,backLetter:this.guaranteeUrl}).then(r=>{
         if(r.code === 0){
+          this.publicObj.backLetterImg = this.guaranteeUrl;
           this.guaranteeShow = false;
-          this.guaranteeUrl = '';
           this.$message.success('保存成功');
         }
       })